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Патент USA US3077578

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Feb. 12, 1963
E. s. KELSEY
3,077,568
WAVE GUIDE SWITCH
Filed June 30, 1960
3 sheets-éSheet 1
4
Feb. 12, 1963
E. s. KELSEY
3,077,568
WAVE GUIDE SWITCH
Filed June 50, 1960
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Feb. 12, 1963
E. s. KELSEY
3,077,568
WAVE GUIDE SWITCH
Filed June 30, 1960
3 Sheets-Sheet 3
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3,977,568
Patented Feb. 12, 1953
1
2
3,077,558
FIG. 15 illustrates a plan view of the left half of FIG.
3 and FIG. 1C illustrates a side view of the right half of
WAVE GUEDE SWET€H
Ernest S. Kelsey, @ttawa, @ntario, 't'lanada, assignor to
lorthern Electric (Iornpany Limited, Montreal, Quehcc,
Canada, a corporation of Canada
Filed .l'une 3d, ll?dtl, Set‘. No. 4%,039
41- tilaims. (till. 3312-37)
This invention relates to electrical switching devices
and more particularly to switching devices for selectively
directing the flow of electromagnetic energy in wave
FIG. 3;
FIG. 3 is a perspective view showing the disposition of
the movable members of the switch when in the positions
illustrated in FIGS. 1 and 2, respectively;
FlGS. 4 and 5 are perspective views of a rotary type
switch, in which the invention is represented, in two of its
positions of operation;
Fir-GS. 6 and 7 are perspective views showing the dis
position of the movable members of he switch when in
the positions illustrated in F168. 4 and 5;
guide transmission systems.
FIG. 6A illustrates a plan view of FIG. 6 and FIG. 7A
in prior art wave guide transmission systems, electrical
is a side view of PEG. 7;
switches for selecting the direction of transmission
through such systems have been generally modi?ed after 15 FIGS. 8 and 9 are perspective views of a rotary type of
switch, in which the invention is represented, when em
early types of direct current switches. Generally these
ployed as a transfer switch, and
switches suffer from the disadvantages that their incom
FIGS. 10 and 11 are perspective views showing the dis
ing and outgoing sections are mutually at right angles
position of the movable members of the switch when in
to each other which requires complicated and space con~
suming bends in the associated wave guide runs. In 20 the positions illustrated in FIGS. 8 and 9.
Considering FIGS. 1, 2 and 3 there is shown a station
addition, it is frequently diflicult to avoid undesirable
ary housing 1, having a cavity therewithin, to which is
twists in the connecting wave guides. Flexible wave
connected individual pairs of input and output wave guide
guides have, also, been used in prior art as a means of
sections 2, 4- and Ii, 5 respectively terminating in wave
providing switching functions. This type of wave guide
switch, however, due to its irregular inner surface caus 25 guide ports 46‘, 43 and 47, 49, wave guide ports 46 and
4i? are positioned at diagonally opposite corners of rectan
ing undesired attenuation and reflection, has inherently
gle A and wave guide ports 423, 49 at the other diagonally
poor transmission and impedance characteristics.
opposite corners of rectangle B, with rectangles being of
It is an object of this invention to provide an elec
the same size, shape and orientation; a switch member 6,
trical wave guide switch, adaptable for switching electro
magnetic wave energy, without excessive bends or twists. 30 adapted to be closely ?tted and slidable within the cavity
of housing 1 and actuated by rod 7, on which are mounted
A further object of this invention is to provide an
a ?rst and second pair of rigid wave guide members 8, 9
and 1d, 11 having a smooth inner surface, in communica~
tion with the wave guide sections 2, 4 and 3, 5 through
teristics of the transmitted electromagnetic wave energy
00 U! wave guide ports 46, 48 and 47, 49.
are maintained uniform throughout.
The wave guide members 8, 9 and 10, 11 are indi
Another object of this invention is to provide an elec
vidually arranged in cruciform in individual parallel
trical wave guide switch having the foregoing properties
planes, spaced a predetermined distance apart, disposed
capable of switching electromagnetic energy in a multi
on the switch member 6 so that, when the switch mem
directional wave guide transmitting and receiving system.
Another object of this invention is to provide an elec 40 ber 6 is reciprocated, the members of one pair 8, 9 are
in planes perpendicular to and the members of the other
trical wave guide switch having the foregoing properties
electrical wave guide switch having the foregoing prop
erties wherein the continuity ‘and the electrical charac
which is mechanically simple to construct.
Another object of this invention is to provide an elec
pair I'll, Ill are in planes parallel to the direction of re
ciprocation of the switch member 6, wave guide mem
hero 3, 9 and ill, 11 being arranged so that they are
in communication with selected wave guide sections 2, 3
adapted to reverse the direction or transfer the flow of
and 4, 5 through the passages in response to the re
the electromagnetic energy in the system.
ciprocation of the switch member 6.
These and other objects are attained in one embodi
In the operation of the switch as shown in FIGS. 1
ment of the invention by providing a two-position elec
and 2, when the switch is in the position shown in FIG.
trical wave guide switch comprising in combination a
stationary housing, having a cavity therewithin with a 50 1, the electromagnetic energy is transmitted in the direc
tion 2-84 and 5—9—3 as shown at the right of FIG. 3.
plurality of input and output wave guide sections in
When the switch is reciprocated in the direction shown,
communication with the cavity by passages extending
so that the switch assumes the position shown in FIG. 2,
through the housing a switch member disposed within the
the spacing between the movable wave guide members
cavity of the housing, capable of being reciprocated
8, 9 and 1t), 11, taken between the members or in pairs
therewithin, having two pairs of rigid wave guide mem
is such that the electromagnetic energy is transmitted
bers, with a smooth inner surface mounted thereon. The
in the direction 2-11-5 and 4-10-31 as shown at the
members of each pair are arranged in cruciform in indi
left of FIG. 3 so that the direction of the transmission
vidual parallel planes spaced a predetermined distance
of energy is reversed, in Wave guide sections 4 and 5.
apart, individually and in pairs, so disoposed on the
switch member that the members of one pair are in 60 The points A’, E’, C’, D’, E’, F’, G’ and H’ assume the
positions of points A, B, C, D, E, F, G and H, respec
planes perpendicular to the direction of motion and the
tively, as shown in FIG. 1B and 1C.
members of the other pair are in planes parallel to the
Considering FIGS. 4, 5, 6, and 7 of the drawings there
direction of motion of the switch member.
is shown a stationary housing 12, having end plates 13,
A better understanding of this invention may be had
by referring to the following description, taken in con 65 14-, with smooth inner surfaces, and base 15, a rotor con
tained within the housing consisting of supporting plates
junction with the drawings, in which like numbers refer
trical wave guide switch having the foregoing properties
to like parts, in which:
~
FIGS. 1 and 2 are perspective views of a planar type
of switch, in which the invention is represented, in its two
positions of operation;
FIG. 1A illustrates part of an end view of the switch
shown in FIG. 1;
16, 1'7, with smooth inner surfaces, rotatable by rod 13,
to which are attached rigid wave guide members 19, 2d,
21, 22 with a smooth inner surface. Wave guide mem
bers
19, 22 are in communication, as in FIG. 4, with
70
‘ wave guide sections 2, 3 and 4, 5 or wave guide members
Ztl, 21, as in FIG. 5, are in communication with wave
3,077,568
3
A,
pair of wave guide switch members, disposed on a sup
port movable in a reciprocable relation within the hous
guide sections}, 3 and 4, 5. Wave guide sections 2, 3,
4, 5 terminate in wave guide ports 5t}, 51 and 52, 53 re
spectively. Wave guide ports 50 and 51 are positioned at
diagonally opposite corners of rectangle A and wave
guide ports 52 and53 are positioned at the other di
ing, in close slidable contact with the parallel sides of
the housing, the members arranged so that when the sup
port is in one position the members of the ?rst pair are
agonally opposite corners of rectangle B, both rectangles,
oriented in cruciform relation, in individual parallel hori
being of the’ same size, shape and orientation.
zontal planes spaced apart, so that they are in alignment
The wave guide members 19, 2t}, 21, 22 are individual
and in communication with the input and output ports
ly arranged in cruciform in individual planes such that
and in a second position the members of the second pair
when the rotor is rotated the members 19, 20, 21, 22 10 oriented in cruciform relation, in parallel vertical planes
are disposed in horizontal or vertical planes, as shown
spaced apart, so that they are in alignment and in com
in FIGS. 4 and 5,'the spacing between the planes being
munication with the input and output ports.
such that the members are in communication with select- ’
2. A wave guide switch comprising in combination;
ed wave guide sections 2, 3, 4, 5 through wave guide
a stationary housing having a?rst pair of end plates,
ports 56, 51, 52, 53 through the plates 13, E4, l6, 17.
the plates being spaced apart in parallel relation, one plate
being provided with an input and output port disposed
at diagonally opposite corners of a ?rst rectangle and the
other end platewith an input, and output port disposed
In the operation of the switch as shown in FIGS. 4
and 5 and diagrammaticallyv in FIGS. 6 and 7, when the
switch is in the position shown in FIG. 4 andv FIG. 6,
Wave guide members 19 and 22 are. in horizontal cru
at the other‘ diagonally opposite corners of a rectangle
of the same shape, size, and orientation as the ?rst rec
tangle, individual wave guide sections external to the end
plates and connected to the ports; a second pair of end
ciform relation, see FIG. 6A, and are in planes A, B,
C, D and M, N, O, Q, (PEG. 6) respectively, the-spacing
between the horizontal planes being such that the wave
guide members 19 and 22 are in communication through
wave guide ports 51, 52 and $9, 53 with wave guide sec
tions 3, 4 and 2, 5 respectively, so that electromagnetic
energy is transmitted in the direction 4-19-3 and 2-2245
as shown in FIG. 4. When the switch is rotated through
ninety degrees to the position shown in FIG. 5 and dia
grammatically in FIG. 7, wave guide members Ed and
plates, rotatable. within the housing, the plates being
spaced apart in parallel relation and in close slidable
contact with the ?rst pair of end plates; a ?rst and second
pair of wave guide switch members connected to the
second pair of end plates arranged and oriented so that
when the second pair of end plates are in one position
the ?rst pair of wave guide members are in cruciform re
21, disposed after rotation in vertical cruciform relation
(see FIG. 7A), in parallel planes E’, F’, G’, H’ and I’,
J’, i’, L’ respectively, displace wave guide members 19‘
and Z-Zto provide communication through Wave guide
lation in individual parallel horizontal planes spaced apart
so that they are in alignment and communication with
the input and output ports and when the end plates have
been rotated to a second position the wave guide mem
bers of the second pair are oriented in cruciform relation
ports 51, 53 and 5d, 52 with wave guide sections 3, 5
and 2, 4 respectively, so that electromagnetic energy is
now transmitted in the direction 2-21-4 and 5-2d-3 as
shown in FIG. 5. The direction of transmission over
wave guide sections 4 and 5 has thus been reversed.
Considering FIGS. 8, 9, l0 ‘and 11 there is shown a
stationary housing 24, having attached end plates 25, 26,
in individual parallel vertical planes spaced apart so that
they are in alignment and communication with the ports.
3. A wave guide switch comprising in combination:
a stationary housing having a ?rst pair of end plates,
40
base 27, external input and output wave guide sections
28, 29, 3t), 31, and 32, 33, 34, 35, and a rotor contained
the plates being spaced ‘apart and-in parallel relation, the
?rst end plate being provided with Wave guide ports
within the housing consisting of supporting plates 36, 37,
at the two upper corners of a ?rst rectangle and the second
end plate with ports at the four corners of a second
rectangle of the same shape, size and orientation as the
rotatable by rod 38, to which are attached rigid wave
guide members 39, 4t}, and 41, 42. and as, 45', as in FIG.
?rst rectangle, individual wave guide sections connected
to the ports and external to the end plates; a second pair
8, in communication with the wave guide sections 28,
29, 3t}, 31 and 32, 33, 34, 35.
Wave guide sections 23, 29, 3t}, 31, 32, 33, 34 and 35
terminate in wave guide ports 54, 55 and 56, 57, 54’, 55,’,
58 and 59 respectively. Wave guide ports 54, 55, 54'
of end plates rotatable within the housing, the plates be
ing spaced apart'in' parallel relation and in close rotatable
contact with the ?rst pair of end plates; a ?rst and sec
ond pair of waveguide switch members secured to the
second pair of end plates, and arranged and oriented so
and 55’ are disposed at the four corners of rectangle A
that when the second pair of end plates are in a first
and waveguide ports 56‘, 57, 58 and 5? at the four
corners of rectangle B, both rectangles .being of the same
shape, size and orientation.
position/the ?rst pair’ of wave guide members are in
parallel relation in a horizontal plane such that they
Inrthe operation of the switch when the switch is in .
the position shown in FIG. 10, the, electromagnetic energy
is, transmitted in the direction 28,-39-30and 31-40-29.
Whenvthe switch is rotated‘to, the position shown in FIG.
11, the electromagnetic energy is transmitted 2$~45-34
and 35-44-29, FIG. 11, thehwave guide members 44
and 45 in vertical planes E’, F’, G’, H’ and I’, J’, K’, L’
respectivelyreplacing wave guide members 3% and 40
in, horizontal planes'A, B, C, D.
What is claimed is:
1, In an electrical wavev guide switch comprising, in
combination: a stationary housing, having a cavity there
in, withparallel ?at rectangular sides spaced ‘apart, one
side being provided with an individual input and an
output wave guide port disposed at diagonally opposite
‘are in alignment and communication with the wave guide
ports of the ?rst end plate and with the upper wave
guide ports in the second end plate and so that when the
second pair of end plates are in a second position the
second ‘pair ofiwave guide members are in parallel verti
cal planes,v spaced apart and oriented so as to be in align
ment ‘and communication with the wave guideports of
the ?rst end plate and with the lower wave guide ports
in the second end plate.
4. A wave. guiderswitch comprising in combination:
a stationary housing having a ?rst pair of end plates,
theplates being spaced, apart and in parallel relation each
end plate being provided with a wave guide port at each
corner of rectangles of the same shape, size and orienta
tion, individual wave guide sections connected to the
ports and external to the end plates; a second pair of
corners of a ?rst rectangle and the other side with an 70 end plates rotatable within the housing the plates being
input andvan output wave guide port disposed at the other
spaced apart in parallel relation and in close rotatable
contact with the ?rst pair of end plates, a ?rst and
second pair of wave guide switch members secured to
diagonally oppositecorners of a second rectangle of the
same shape, size and orientation as the ?rst rectangle,
individual? input and output wave guide sections con
the second pair of end plates and arranged and oriented
nected to the ports external to the side: a ?rst and'second
so that when the switch member is in a ?rst position each
3,077,568
6
5
pair of wave guide members are in individual horizontal
planes spaced apart, the wave guide members of each
pair being in parallel relation and also arranged so that
in this ?rst position the wave guide members are in align
pair, the arrangement and orientation of said additional
members being such that when rotated to a third posi
tion separated 180° from the second position the addi
ment and communication with the ports; an additional
munication with the lower ports of the ?rst end plate and
pair of wave guide members secured to the second pair
the upper ports of the second end plate of the second pair
of end plates the additional members arranged and orient
of end plates.
ed so that when the ?rst and second end plate of the
second pair of end plates have been rotated to a second
position the additional members are arranged in vertical 10
planes spaced apart and oriented so that the wave guide
members are in alignment and in communication with the
upper ports of the ?rst end plate of the second pair and
with the lower ports of the second end plate of the second
tional wave guide members are in alignment and in com
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,905,968
Holzschuh ___________ __ Sept. 22, 1959
1,076,926
France ______________ __ Apr. 28, 1954
FOREIGN PATENTS
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