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Патент USA US2084728

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June 22, 1937.
A. EBERHARDT
2,084,728
' INDEXING DEVICE FOR DATA ON A CIRCULATING BAND
Filed June 22, 1933
fig. 1
2 Sheets-Sheet l
June 22, 1937.
2,084,728
A. EBERHARDT
INDEXING DEVICE FOR DATA ON A CIRCULATING BAND
Filed June 22, 1953
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Patented June 22, 1937
2,084,728
UNITED STATES PATENT OFFICE
2,084,728
INDEXING DEVICE FOR DATA ON A CIRCU
LATING BAND
Alois Eberhardt, Frankfort-on-the-Main,
Germany
Application June 22, 1933, Serial No. 677,095
In Germany June 25, 1932
'
15 Claims. (CI. 40-86)
This invention relates to devices for rapidly group designated by a certain color, for ex
?nding a certain note or group of notes from ample red, into 10 subdivisions, it is necessary
a number of notes arranged one behind the
other ona circulating band according to certain
5 signs, for example alphabetically arranged ad
dresses or composite numbers arranged accord
ing to decimal groups, in that the band is rapidly
passed in longitudinal direction under a Window
having the same width as the band until signs
10 applied on the band are visible in the window,
corresponding or spatially registering with co
ordinate signs arranged on the window frame.
This object is attained according to the in
to subdivide the corresponding red bar ?tted on
the window frame into 10 equal sections pro
vided with corresponding marks, such as letters
of the alphabet and to arrange on the band a.
similar number of stripes registering therewith
in lateral direction and extending the length of
each of these subgroups, and each of the width
10
of one of the 10 sections of the bar.
If the number of the desired subdivisions of a
main group is so large that the width of the in~
dividual part sections of the ?nder bars would
vention in that all the notes on the band are ?rst
15 subdivided into a number of main groups, for
become too small, as for example in the case of
example in the case of alphabetical arrangement
of the notes so that each of these main groups
corresponds to a certain letter of‘ the alphabet,
sections on a bar arranged on the one frame side
the 25 letters of the alphabet, it is possible to 15
accommodate a portion, for example half of the
that further each of these groups is marked on
of the window and the remainder on another, for
example similarly colored bar but ?tted on the
the band by a certain color extending along the
whole length of the coordinate portion of the
20
opposite frame side.
If the marking of the main groups is effected
band, and that at least on one of the sides oi the
window frame situated transversely to» the run
ning direction of the band markings with co
on the band by coloring same on its entire width,
it is necessary to make the stripes for ?nding
25 ordinate signs, for example the letters of the
band, for example by shading, supercol'oring or
alphabet, are arranged in the corresponding color,
so that the appearing of the desired main group
immediately becomes conspicuous on the band,
when it is passing under the window, by the
of the coordinate color.
30 appearance
The color of a longitudinal section of the band
corresponding to each of such main groups may
extend over the ventire width of the band or in
the form of a stripe only over a portion thereof.
A further subdivision of the main groups thus
35
formed may, according to the invention, be effect
ed by applying on the frame portion of the win
dow .a number of bars in the corresponding colors
extending over the entire width of the window
40 in the colors corresponding to the number of
main groups which exist, and in subdividing these
bars in their longitudinal. direction into separate
port-ions corresponding to the desired subgroups,
for example again to the letters of the alphabet
45 and effecting the color marking of the band
only in the form of stripes of the width of each
portion of the colored bars ?tted on the window
frame, so that, for example for the letter A cor
50
responding to the ?rst group a stripe of the
width of the corresponding section of the ?xed
bar extends along the left edge of the band on
a corresponding sectional length of the whole
sectional band portion designed for the main
group. Extending therefrom a second stripe of
55 the same width is applied on the band for the
letter B on the length of the corresponding
next subdivision of the main group and displaced
towards theright a distance of a bar section and
so forth.
60
.
'
'
If it is desired for example to divide a main
the subgroups particularly conspicuous on the
in some other suitable manner.
Each of the subgroups obtained in the man—
ner described can be again divided into further
subgroups by the arrangement on the band of
further ?nder stripes or ?nder lines differing
from the stripes of the ?rst subgroups by narrower
width, and on one or both opposite sides of the
window, of further correspondingly subdivided
bars, the width of which is preferably chosen
narrower than that of the main bars.
Several embodiments of the invention are il
lustrated by way of example in the accompany
ing drawings. It must, however, be pointed out
that the protection claimed is in no way limited
to the forms of construction and the coordinate 40
details herein shown, but extends in general to
devices constructed on the above mentioned
principles. Parts of different colors are indi
cated by corresponding different hatchings.
Fig. 1 is a top plan view of the window of a 45
device according to the invention together with
the band fed thereunder.
Fig. 2 is a similar View on a smaller scale.
Figs. 3 and 4a are elevations of a portion of an .
auxiliary band with checkered division.
Fig. 4 is a diagrammatic section of a device
provided with a main window for the main cir
culating band and an auxiliary window for a
circulating auxiliary band.
Fig. 5 is a view of a device according to Fig. 4
seen from above.
Figs. 6 to 8b are detailed illustrations of de
vices to better distinguish individual actually re
quired sub-sections of the ?nder stripes brought
under the main window-from other subsections 60
2
2,084,728
of the same ?nder stripe or adjacent subsections
for example green, and this ?nder bar is divided
of an adjacent ?nder stripe.
into ten subdivisions coordinate to the corre
’
In the drawings the height of the window in
the direction A.-—D and 13-0 is shown much
higher relative to its length than it is in reality
in order that the band running under the same
can be shown in greater length.
Fig. 1 shows an arrangement according to the
invention in which the subdivision of the notes
10 on the band is effected according to groups of
?gures. In the drawings the square enclosed by
the lines A—B—C—D indicates the window of
the device under which the band covered with
notes and signs is rapidly passed in longitudinal
15 direction, for example by winding and unwinding
over two rollers by means of cranks ?tted one
on each of the two rollers.
F1 to F10 are bars of the number and color of
the main groups ?xed on the corresponding op
20 posite sides of the window frame, each of which
corresponds to a group of 10 thousands and in
turn is subdivided in the manner shown in the
iliary bar. In a similar manner the sought ten
group is found by turning the band until the cor~
drawings into 10 sub-sections each correspond
responding auxiliary ?nder line registers with
ing to a thousand. In the same sequence of the
colors as on the bars F1 to F10 correspondingly
the sub-section of the right half of the auxiliary
bar Le designated by 50. Finally the notes co 25
ordinated to the last ?gure, 8 of the number be
ing sought, are found on the band within the
range of this auxiliary line.
Fig. 1 shows in the upper part of the band this
number adjusted in the manner above described, 30
the coordinate marking strips St being drawn
out from the sub-sections of the auxiliary bar
colored stripes are applied on the circulating band
along a length of each corresponding main group
of the notes and each of the width of one part
section of the bars F1 to Fm, the length of each
of such stripes corresponding to the length of a
sub-group, and each of the stripes coordinated to
one subgroup extending the one from the other
on the band in such a manner that each of the
_ stripes of a further subgroup is displaced lat
‘ erally relative to the preceding stripe a distance
equal to a part section of the ?xed marking bars.
Le to render them more conspicuous.
In a similar manner for example the ?nding
of the number 43047 shown in the lower half of 35
Fig. l is effected by turning the band ?rst to
Consequently, for each main group as many
the likewise green colored strip of the band
stripes of the color corresponding to the main
designated by 4300, then by continuing to turn
group as the number of the desired subgroups are
the band until the narrow strip Un registers with
the sub-section 0 of the auxiliary bar and ?nally
arranged successively on the band mutually lat
by bringing the auxiliary ?nder line correspond- '
erally displaced.
Hsa and H51; are for example such, preferably
transparent marking stripes applied on the band
and of the width of the sub-sections of the main
45 bars, of which for example, according to their
lateral position on the band, the green stripe
H53. registers with the subgroup 42000 of the cor
responding green bar F5 and the similarly colored
stripe Hat with the subgroup 43000 of the same
bar.
Le are further narrower auxiliary bars ar—
ranged on the two opposite sides of the window
frame and subdivided in the first half into hun
dreds and in the second half into tens, thereby
55 enabling further subdivision, ?nder stripes Un
of corresponding width being coordinated on the
band for these narrow bars for the hundreds and
still narrower ?nder lines 1 to 90 for the tens.
The adjustment of the ?nder stripes or lines
on certain sections of the auxiliary bars can be
facilitated by providing under these bars ex
tensible stripes St as shown in Figs. 1, 2, 5, and 8
or other separate marking means which allow
65' the part section of the auxiliary bars to be made
more conspicuous during the finding operation
and to thus facilitate the rapid adjustment of the
band to the coordinate ?nder stripes or lines.
Example
70
sponding individual thousands, as is shown by
the inscription of the bar F5 in Fig. l. Accord
ing to this division the number group 42000-43000
is coordinated to the third section from the left
of the bar F5.
In order to adjust to this sub~group of the
green ?nder bar, the band which may primarily
be in any other position is turned quickly in one 1O
or other direction until the green stripe desig
nated by H521 in Fig. l and registering in its lat“
eral position on the band with the sub-section
42000 of the color ?nder bar F5 appears in the
window. In order further to adjust to the horn 15
dreds applied on the auxiliary bar Le, the band
is turned until the narrow strip Un of the band
corresponding to the sub-section 900 in its lat
eral position appears in the window and regis
ters with the corresponding section of the aux 2,0
The manipulation of the device above described
for ?nding on the circulating band a certain
number, for example 42958, is as follows:
According to Fig. 1 the numbers 40000 to
75 50000 belong to the main ?nder bar F5 colored
ing to the sub-group 40 of the auxiliary bar into
the window, whereupon the last number 7 can
easily be found directly on the band.
By the subdivision of the existing notes ren 45
dered possible by the invention not only in main
groups distinguished by different colors, but also
into sub~groups distinguished by means of fur
ther ?nder stripes or ?nder lines each of which
sub-groups can then be further subdivided in 50
such a similar manner, it is possible to consider
ably extend the subdivisions as compared with
the devices known for this purpose. It must also
be noted that the employment of ?nder lines or
?nder stripes of different colors may also be used
in connection with the sub-groups.
Thus, for example, the narrower ?nder lines
or ?nder strips designated in Fig. 1 by Un. and
the numerals l to 90 may be arranged sys
tematically colored or in different colors, in steps
or stages and recur over the entire width of the
track or a portion thereof,
The corresponding division of the band should
be readable with su?icient accuracy from the
portion visible through the window A—B--D—C
shown in Fig. 1.
Fig. 2 shows a similar arrangement with alpha
betical subdivision, wherein for example the
colored stripe Ha appearing in the window aper
ture A—B-C—D is adjusted to the letter “R” of
the correspondingly colored bar and the ?nder
line Un to the letter “e” of the auxiliary bar Le.
According to the form of construction illus
trated in longitudinal section in Fig. 4 and in
top plan view in Fig. 5 the color ?nder arrange
2,084,728
ment is not rigid in the form of bars on the
frame of the window Fh for the main band, but
is likewise arranged on a band Bh hereinafter
referred to as the “auxiliary band”, which is
guided past a separate Window Fe, for example
over rollers.
In the form of construction of such an ar
rangement illustrated for example in these ?g
ures an auxiliary bar Le is not, as in the above
10 described arrangement, arranged on the frame of
the main window but on the frame r of the
window for the auxiliary. band and likewise pro
vided with pull-out slides St for making a certain
part section of the auxiliary barv during the seek
ing operation.
In the form of construction of such an ar
g , rangement illustrated by way of example in this
?gure an auxiliary bar Le is not, as in the previ
ously described arrangements, ?tted on the frame
20 of the main window, but on the frame 1' of the
window for the auxiliary band and likewise pro
vided with pull-out slides St for marking certain
sub-sections of the auxiliary bar during the ?nd
ing operation.v
'
By means of this auxiliary band it is possible
to always bring into the auxiliary window only
3
sections on the auxiliary band may also be ap
plied in the free space remaining on one or both
sides of each of the individual colored sections in
a line with the colored sections on the auxiliary
band.
For the purpose of avoiding disturbances by the
simultaneously visible bars or bar sections which
are not actually required, the employment of
covering devices both for the main and also if
necessary for the for example colored auxiliary 10
bars has been found advantageous in many in
stances.
Such a device is illustrated for example in Fig.
6 in top plan view and in Fig. 6a in longitudinal
section in the form of a continuous band drawn 15
over the for example colored bar L and inter
rupted only at one point by a Window R, so
that only the part section of the bar directly
below the window R is visible. By shifting the
band on the bar, the window R can be adjusted 20
to any desired part section, according to Fig. 6a
to the part section thereof provided with the
letter “R”.
To facilitate during the shifting of the band
the ?nding of the part sections of bar L, the 25
band may be made of transparent material or
the actually required bar of a main group colored
in a certain color, so that vin contradistinction to
the construction as shown in Fig. 1 the other
colored bars of the other main groups are not
visible at the same time and therefore cannot
disturb the vision. If the individual sub-sec
on the one end of the bar under it, over which
the window has to be adjusted in case a section of
tions of a main group are not applied on the
this bar is just not wanted.
auxiliary band side by side in the form of a con
vantages, especially if two or more such bars
tinuous stripe, but laterally displaced one behind
the other in the manner shown in Fig. 4a, it is
?tted with windows shiftable on bands are ar
also possible to expose only the subgroup of the
main group actually required in the auxiliary
window, whereby the arrangement becomes still
rangement shown in Fig. 1 (without shiftable
windows).
A particularly clear marking of a desired sepa
more clear.
edge.
If such a shiftable band with a window is em
ployed, an empty section is preferably provided 30
This presents ad
35
ranged the one alongside the other in the ar
rate section of a ?nder bar by color is obtained ‘
Fig. 5 shows in top plan view an adjustment
in. which the main band is adjusted so that its
correspondingly colored ?nder stripe Ha comes
below the main window on the letter “R” of the
45 likewise colored transverse stripe of the auxiliary
band Bh just adjusted by means of a knob Dr
in the auxiliary window of the color ?nder ar
rangement and taking the place of a main ?nder
bar, and in which the finder line Un of the main
50 band is adjusted to ‘the section “ei” of the rigid
auxiliary bar Le ?tted on the frame r of th
window for the auxiliary band.
the bar may have for instance a mark on its
'
By arranging the color ?nder arrangement on
a circulating auxiliary band, for example as
shown in Figs. 4 and 5, the auxiliary bars‘, in
stead of being rigidly applied to the transverse
portions of the main or auxiliary window frame,
as above described, may, as shown for example
in Fig. 3, be applied on the auxiliary band itself,
Thus, if
60 in this instance evidently by printing.
the color marking of the main groups on the
auxiliary band is effected by stripes extending
over the entire width of the band, an auxiliary
bar is arranged on the band between each two
65 such stripes, or if the color marking of the main
groups on the auxiliary band is subdivided in the
by employing a bar which itself is not colored
at all, whereas a colored slide is provided which
can be adjusted to the desired subsection of the
non-colored bar. This slide may consist entirely
of colored transparent material, such as celluloid 45
or the like, or it may consist, according to the
form of construction illustrated in Fig. 7 left and
Fig. ‘7a of a sheet metal frame Sch in which a
colored transparent window frame C i or example
of celluloid is inserted and which can be ad~ 50
justed to the desired sub-section of the non
colored bar. for example according to Fig. '7 to
the section “H” of this bar, by sliding on the rod
M. For the purpose of still better indicating the
sub~section of the bar to be rendered conspicuous 55
by this slide, an extension ?ap‘ V may be provided
besides the slide and slidable on the rod M there
with. This ?ap is preferably colored only on the
inner side with the same color as the slide or slide
window, whereas on its rear side it is not colored 60
so that it is possible by swinging up this flap
to cover the colored part of the slide or slide
window as shown on the right of Fig. 7 on the
part section between the letters “J” and “L".
Further means of marking are shown in plan 65
view in Fig. 8 and in cross section in Figs. 8a and
the manner above indicated into sections ar- ' 8b. In these arrangements double hinged ?aps
ranged on the band one behind the other and are coordinate to each part section of two parallel
mutually displaced laterally in the manner pro
juxtaposed colored bars Fa and F1), the upper of
vided for the auxiliary band according to Fig. 4a., these ?aps having on the uncolored inner side a
, a coordinate auxiliary bar is ?tted between each
the sign corresponding to the part section of
two of these part sections as illustrated in Fig. 3. the upper colored bar in question, in the present
Instead of being applied on such a separate instance for example the letter “B” of the capital
interposed auxiliary stripe the sub-group divi
sions belonging to each of the colored individual
alphabet, and the lower flap having on its lower
likewise uncolored inner side b the mark of the
2,084,728
corresponding part section of the lower colored
rapidity of the work ‘which cannot be surpassed
bar. If, as shown in Fig. 8a, both flaps are
folded outwards, the upper ?ap covers the cor
responding part section of the upper colored bar
is ensured and which allows the employment of
band speeds for example up to 10 metres per
second. By two or three quick operations that
and the lower flap the corresponding part sec
tion of the lower colored bar, the marking oi these
which it is desired to find will immediately by de
termined and indicated at what point and in
part sections being, however, visible from the
which color the ?nder stripes and also the ?nder
lines must appear. By the color alone a certain
number of main groups are characterized, Where
as by the further subdivision each main and 10
corresponding signs applied on the inner sides of
the covering flaps.
The outer side 0 of the upper
flap bears the color and mark of the correspond
ing part section of the upper colored bar, whereas
the outer side 02', of the lower ?ap is provided with
the color and the sign of the lower colored bar.
If therefore, as shown on the right of Fig. 8
the lower flap is swung up over the
F115 and in
upper flap, two sections appear the one above the
other in the color
with the marks of the ex
" 20
posed part section of the lower colored bar, in
the present instance with the letter “L”.
If, however, the upper flap- is folded down as
shown on the left of Fig. 8 by the letter B, two
sections provided with the corresponding letters
and of the same color as the upper colored bar
appear the one above the other, so that the ad
7125 justment of the correspondingly colored stripes
Ha of the main band on the desired part section
of the coordinate colored bar is facilitated.
The ?nder
may be arranged overlapping
like scales. The subgroup marks in the indicating
position preferably extend into the free section of
the ?nder window. If necessary, other covering
devices may be _-rovided for the subgroup bars
than for the bars of the main groups.
The devices according to the invention owing
to the extreme rapidity of the work obtainable
therewith have proved particularly suitable, for
example for ?nding addresses, accounts, railway
time tables, library, store, stock and price lists,
collections of samples, coding and decoding codes
:40 and the like marked on the circulating band.
The subdivision of the main and auxiliary bars
may evidently be eifected in any desired manner
according to the requirements of the actual indi
vidual instance. Thus, for example in the case
45 of alphabetic arrangement, the sections of the
bars ?tted on one side of the frame of the main
window
serve for carrying the vowels, diph
thongs and modulated vowels, and the sections
of the bar ?tted on the opposite side for carrying
50 only consonants. correspondingly, in the case
of arithmetical arrangement, each bar may be
employed for bearing a diiferent decimal group,
but one bar may also be constructed for carrying
several decimal groups. A mixed arrangement of
55 alphabetical and decimal groups is, for example
likewise possible.
When the color ?nding arrangement is ar~
ranged on a circulating auxiliary band shlftable
under a separate auxiliary window, it is possible
60 to provide for each part section of the trans
verse color stripe on the ‘auxiliary band, if
necessary
3, the subgroups
subdivided
of in
the
theauxiliary
manner shown
bars coming
in
chiefly into question for this section and likewise
65 fitted on the band, thus, for example according to
Fig. 3, the subgroups “b” and oh for the letter “A”,
the subgroups “a” and “cm” for the letter “B”
and so forth.
1
A considerable advantage of the new arrange
70 ments consists in that the color finder arrange“
ment and the distribution of the groups on the
main band can be adapted as desired to the
actual length of this band and to the quality and
kind of material registered, and that with the aid
75 of the color ?nder arrangement a clearness and a
subgroup is clearly marked and found. If the
user interrupts his work and has adjusted the
marks for the main and subgroups to be found,
these positively show him after the interruption
what he was looking for.
15
The ?nding of a subgroup is considerably
simpli?ed as compared with the use of an ordi
nary card index and is due to a purely mechani~
cal operation. _
From the division of the color stripes into 2% 20
letters as shown for example in Fig. 2, only one
further subdivision of the auxiliary bars into 24
additional subdivisions produces already 5'76
subgroups for the ?nder lines.
The individual part sections ‘of the bars may "'
be of such width that they enable an excellent
clearness and legibility of the signs printed
thereon.
A considerable shortening of the main band
may be obtained by applying the marks in two
rows, that is by arranging the alphabetical ar
rangement in Z-shape.
Necessary extension of the individual main or
subgroups of the band, should it be necessary to
add further notes on fully utilized space, can
be effected by inserting a new piece of band of
suitable length at the desired point.
I claim:
1. In a device for ?nding individual notes on
a. band, in combination a box-shaped housing,
a window frame in said housing, rollers in said
housing, a band on'said rollers adapted to be
moved under said window frame, notes applied
on said band one behind the other and ar
ranged in groups and sub-groups, colored mark
ing means on said band extending the length of
each of these groups and subgroups, different
colors being provided for the different groups
of the ?rst subdivision grade, stripes applied on
the band in longitudinal direction parallel to one
another, each stripe extending the length of one
subgroup of notes and differing in its lateral
position from the stripes coordinated to the
other sub-groups of the same main group and
?nding stripes arranged adjacent said window
frame transversely to said band corresponding
in number to the nurnber of colors on the band
each stripe being colored to correspond with
the color of its coordinate main group on the 00
band and being subdivided in sections in its
longitudinal direction, each section correspond
ing in its lateral position to the lateral position
of the longitudinal stripe coordinated to the
corresponding sub-group of the notes on the
band, and each ‘section being provided with a
special mark characterizing the corresponding
sub-group.
2. In a device as speci?ed in claim 1 a band
colored in a diiferent color over its whole width
for the length of each of the main groups of
notes, stripes applied on the band in longitudinal
direction parallel to one another each stripe ex
tending the length of one sub-group of notes
and diifering in its lateral position from the
2,084,728
stripes coordinated to the other sub-groups of
the same main group the said stripes differing
in color fromthe color of the band section and
?nder stripes arranged adjacent the window
frame transversely to the band corresponding
in number to the number of colors on the band,
each stripe being colored to correspond with
the color of its coordinate main group of the
band and being subdivided in sections in its
1.9 longitudinal direction transversely to the band,
‘ each section corresponding in its lateral position
"15,.
to‘ the lateral position of the longitudinal stripe
coordinated to the corresponding sub-group of
the notes on the band, and each section being
provided with the mark of the corresponding
sub-group.
'3.,In a device as speci?ed in claim 1 stripes
applied on the band ‘in longitudinal direction
each stripe extending the length of one ?rst
20 sub-group of notes and being colored in the
same color as the color of the stripes co
ordinated to the other ?rst sub-groups of the
same main-group but in another color than they
stripes coordinated to the other main groups,
the stripes of each ?rst sub-group differing in
‘its lateral position from the stripes coordi~
mated to the other ?rst sub-groups of the same
main group and ?nding stripes arranged ad
jacent the ‘window frame transversely to the
band vcorresponding in number to the number
of colors on the band each stripe being colored
to correspond with the color of the stripes of
its coordinate main group on the band and be
ing subdivided in sections in its longitudinal di
rection each section corresponding in its lateral
position to the lateral position of the longitudi
nal stripe on the band coordinated to the cor
responding sub-group of the notes on the band
4-0 and each section being provided with the mark
of the corresponding ?rst sub-group.
4. In a device as speci?ed in claim 1 stripes
applied on the band in longitudinal direction
each stripe extending the length of one ?rst sub
\A til group of notes and being colored in the same
color as the color of the stripes coordinated to
the other ?rst sub-groups of the same main
group but in another color than the stripes co
ordinated to the other main groups, the stripes
50 of each ?rst sub-group differing in its lateral
position from the stripes coordinated to the other
?rst sub-groups of the same main group, other
stripes applied on the band, each such stripe ex
tending the length of one second sub-group of
notes
and being narrower than the ?rst named
5,5
stripes and being colored in the same color as
the color of the stripes coordinated to the other
?rst and second sub-groups of the same main
group, but being colored in another color than
60 the stripes coordinated to the other main groups,
‘I the stripes of each second sub-group differing
in its lateral position from the stripes co
stripe being divided into a number of sections
corresponding to“ the number of second sub
groups of notes on the band, each of said sec
tions corresponding in its lateral position to the
lateral position of the longitudinal stripe on the
band coordinated to the corresponding second
sub-group of the notes on the band, each sec
tion of the main and auxiliary ?nding stripes be
ing provided with the mark of the correspond
ing ?rst and second sub-group on the band.
10
5. In a device as speci?ed in claim 1 at least
one auxiliary ?nder stripe on the window frame
transversely to the band besides the main ?nder
stripes, said auxiliary stripe being divided into a
number or" sections corresponding to any desired
number of sub-groups of minor notes on the band,
each of said sections being provided with the mark
of the coordinate minor sub-group, longitudinal
stripes or lines on the band extending the length
of each of such minor sub-groups and narrower v
than the stripes of the major sub-groups, each of
said stripes or lines corresponding in its lateral
position with the coordinate section of the auxil
iary ?nder stripe; lines on the band extending on
the sub~groups of at least one further subdivision,
said lines being narrower than the stripes and
lines of the minor subdivisions and laterally posi
tioned to correspond with the coordinate sections
of an auxiliary ?nder stripe.
6. In a device as speci?ed in claim 1 a second '
window, an auxiliary band, and means for mov
ing said auxiliary band in longitudinal direction
under said second window, di?erently colored
?nder stripes arranged one behind the other on
said auxiliary band transversely to its longitudi
nal direction, said stripes adapted to be brought
singly and consecutively under the second window
during the movement of said auxiliary band, said
?nder stripes being subdivided into sections pro
vided with the marks of the coordinate note 40
groups of the main band. -
7. In a device as speci?ed in claim 1 a second
window, an auxiliary band and means for moving
said auxiliary band in longitudinal direction
under said second window, sections arranged side ~15
by side and one behind the other in checkered
arrangement on the auxiliary band, each stepped
row of sections extending diagonally over the
Width of the band being colored a di?erent color
to that of the other rows, each such row repre- ‘
senting as a whole a color ?nding stripe coordi
nated to a main group of the colored main stripes
on the band, the individual sections of the row
coordinated to the sub-groups of the notes on
the main band and provided with their marks be
ing arranged on the auxiliary band in steps not
only side by side but at the same time one behind
the other so that, at every adjustment of the
auxiliary band under the second window, always
only one such section is visible.
iii)
8. In a device as speci?ed in claim 1 a second
ordinatedto the other second sub-groups of the
window, an auxiliary band, and means _for mov
same ?rst sub-group, ?nding stripes on the
7 window frame corresponding in number to“ the
ing said auxiliary band in its longitudinal direc~
tion under said second window, differently colored
number-of colors in the band, each stripe being
?nder stripes arranged one behind the other on
colored to correspond with the color of the
stripes of its coordinate main group on the band‘
and being subdivided in sections in its longi
said auxiliary band transversely to its longitudi
nal direction, said stripes adapted to be brought
singly and consecutively under the second window
7,0 tudinal direction, each section corresponding in
during the movement of said auxiliary band, said
15
5
its lateral position to the lateral position of the
longitudinal stripe coordinated to_ the corre
?nder stripes being subdivided into sections pro
vided with the marks of the coordinate note
sponding sub-group of notes and at least one
auxiliary ?nder stripe on the window frame be
sides the main ?nder stripes, said auxiliary
groups of the main band, auxiliary finder stripes
applied on the auxiliary hand between two main
color ?nder stripes, each of said auxiliary ?nder 75
6
2,084,728
stripes being subdivided into subsections‘provided
subdivided into sections corresponding to the
with the marks of the coordinate sub-groups of
sub-groups of each main group and provided with
notes on the main band.
9. In a device as speci?ed in claim 1 a second
window, an auxiliary band and means for moving
said auxiliary band in its longitudinal direction
under said second window, sections arranged side
by side and one behind the other in checkered
arrangement on the auxiliary band, each stepped
10 row of sections extending diagonally over the
width of the band being colored a diiferent color
to that of the other rows, each such row repre
senting as a whole a color ?nding stripe coordi
nated to a main group of the colored main stripes
15 on the band, the individual sections of the row co
ordinated to the sub-groups of the notes on the
main band and provided with their marks being
arranged on the auxiliary band in steps not only
side by side but at the same time one behind the
20 other so that, at every adjustment of the auxiliary
band under the second window, always only one
such section is visible, auxiliary ?nder stripes
applied between each two colored sections on the
2 UK
auxiliary band, each of said last mentioned stripes
being subdivided into sub-sections provided with
the marks of the coordinate sub-groups of notes
on the main band.
10. In a device as speci?ed in claim 1 a second
window, an auxiliary band and means for moving
30 said auxiliary band in its longitudinal direction
under said second window, sections arranged side
by side and one behind the other in checkered
arrangement on the auxiliary band, each stepped
row of sections extending diagonally over the
35 width of the band being colored a different color
to that of the other rows, each such row represent~
ing as a whole a color ?nding stripe coordinated to
a main group of the colored main stripes on the
band, the individual sections of the row coordi
40 nated to the sub-groups of the notes on the main
band and provided with their marks being ar
the marks of the sub-groups, a slide bar on a
longitudinal edge of at least one of said ?nder
stripes directed towards the window, at least one
two-part ?ap slidable on said slide bar, one part
comprising a colored window always bearing on
the ?nder stripe and the other part colored on its
inner side with the color of the window and
non-colored on its outer side, said last men
tioned part adapted to be folded outwards to 10
expose the window and‘extend the section of the
?nder stripe in the same color towards the win
dow and to‘ be folded inwards to cover the win
dow and the section of the ?nder stripe situated 15
thereunder.
14. In a device as speci?ed in claim 1 a plu
rality of differently colored ?nder stripes corre
sponding to the number of main note groups on
the band arranged parallel to one another ad 20
jacent the window transversely to the band, each
of said stripes subdivided in its longitudinal di
rection into sections corresponding to the sub
groups of the main groups on the band and
each provided with the marks of its coordinate 25
sub-groups, the band provided in its longitu
dinal direction along the length of each sub-group
of notes with a stripe in the color of the ?nder
stripe on the window corresponding. to the co
ordinate main group on the band, the lateral 30
position of said stripe on the band being dif
ferent from the similarly colored stripes co
ordinated to the other sub-groups of the same
main group corresponding with the coordinate
section of the ?nder stripe on the window, hinges
arranged between each two corresponding sec
tions of two adjacent ?nder stripes, two-part
flaps each rotatable about one of said hinges,
each ?ap bearing on its non~colored inner side
the mark of the section of the ?nder stripe on 40
which it bears when folded outwards, whereas its
ranged on the auxiliary band in steps not only
outer side‘ is colored in the same color as this
side by side but at the same time one behind the
?nder stripe and is provided with the mark of
other so that, at every adjustment of the auxiliary
45 band under the second window, always only one
such section is visible, the portion of the auxiliary
band situated laterally of each colored individual
section remaining at the same height as the same,
visible at the same time as the individual section
in the auxiliary window and differently colored
to the individual section, being subdivided into
sections with the marks of the sub-groups of the
main group represented by the coordinate colored
individual sections.
11. In a device as speci?ed in claim 1 slides
each coordinated to one section of a ?nder stripe
arranged on the window frame and adapted to
be pulled out in the longitudinal direction of the
band to more clearly indicate the individual sub
sections of the ?nder stripe to which the band is
to be adjusted.
12. In a device as speci?ed in claim 1 elements
.adapted to cover the adjacent sections of ad
the coordinate section thereof.
-
15. In a device as speci?ed in claim 1 a plural
groups of the main groups on the hand these
sections provided with the marks of its coordinate
sub~groups, a band provided in its longitudinal
direction .along the length of each sub-group of 55
notes with a stripe in the color of the ?nder stripe
on the window corresponding to the coordinate
main group, the lateral position of said stripe
being different from the similarly colored stripes
coordinated to the other sub-groups of the same 60
main group owing to its lateral position corre
sponding with the coordinate section of the ?nd
er stripe on the window, a band slidable on at
least one of the rigid colored ?nder stripes in
jacent ?nder stripes on the window to indicate
65 individual sections of the ?nder stripes.
the longitudinal direction thereof, said band
13. In a device as speci?ed in claim 1 ?nder
made of opaque material with a transparent
window of a width corresponding to that of a’
stripes corresponding in number to the number
of main note groups on the band arranged par
subsection of the ?nder stripe.
allel to one another on the window frame trans
versely to the band, each of said stripes being
45
ity of differently colored rigid ?nder stripes cor
responding to the number of main note groups
on the band arranged parallel to one another
adjacent the window transversely to the band,
each of said stripes subdivided in longitudinal di 50
rection into sections corresponding to the sub
ALOIS E‘BERHARDT.
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