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Патент USA US2406512

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Aug. 27, 1946.
w, RYAN
2,406,512
SHIP GUIDING SYSTEM
Filed June 8; 1945
2 Sheets-Sheet 1
Aug. 27, 1946.
w. RYAN
SHIP GUIDING SYSTEM
~
2,406,512
'
‘Filed June 8, 1945
2 Sheets-Sheet 2
IN VEN TOR.
WiH'IcLm Ryan
Y
ATTORNEY
2.4%,512
Patented Aug. 27,__1946
UNITED STATES *PATENT
_
OFFICE
2,406,512
SHIP GUIDING SYSTEM
William Ryan, New York, N. Y.
Application June 8, 1945, Serial No. 598,375
2 Claims. (01. 117-385)
1
This invention relates to new and useful im—'
2
de?ning a lane l2 over which a ship may safely
travel to a desired destination. While this de
provements in a ship guiding system.
More specifically, the invention proposes the
construction of a ship guiding system charac
terized by a continuous conductor supported in
the drawings, it might be a dock or other similar
.. safe anchorage in the body of water I I.
a harbor or other body of water for de?m'ng a
lane over which a ship may safely travel to a
ductor H) in a suspended ~position submerged
sired destination is not speci?cally illustrated on
A means is provided for retaining the con
slightly below the surface of the body of water
I i. This means comprises resilient tubular mem
bers I3 provided on the conductor W at posi
vision of a novel means for supporting a con 10
tions spaced along the length thereof. Vertical
ductor in a ?xed position submerged slightly
cables id have their top ends engaged about the
below the surface of the water and connected
resilient tubular members l3 and securely re
with a means for sending a signal current
tained in position by means of clamps H5. The
through the conductor.
‘Still another object of the invention proposes 15 bottom ends of the cables is are securely at
tached to anchors l6 which rest on the bottom
the provision of a detector unit aboard ships
of the body of water II.
through which the captain of the ship may re
The ends of the conductor H] are connected
ceive the signals being sent through the con
with a means I‘! for sending a signal current
ductor to assist in properly navigating the ship
20 through the conductor [0 to be picked up by ships.
through the mine ?eld to its destination.
The ships are to be provided with a detector for
In a modi?cation of the invention it is pro
receiving the signals passing through the con
posed to provide several misleading loops in the
ductor I B. This detector might be a standard
continuous conductor which will set up extremely
ampli?er
unit l8 of the type illustrated schemat
strong signals and tend to confuse captains of
ically
in
Fig.
4.
enemy vessels and influence them to direct the 25
The conductor in is characterized by a longi
movement of their ships into the mine ?eld.
tudinal loop [0a extending parallel to a shore
It is a further object of this invention to con
line or other similar surface and continues into
struct a pilot for ships which will be simple and
a transverse portion lllb leading to the shore
durable and fool-proof in its operation to insure
line or other safe anchorage area surrounding
the safety of vessels when passing through a 30
the path outlined by these portions llla and IE1).
friendly mine ?eld.
The harbor or other body of water H is provided
For further comprehension of the invention,
with a plurality of mines E9.
and of the objects and advantages thereof, refer
The operation of the pilot for ships con
ence will be had to the following description and
accompanying drawings, and to the appended 35 structed in accordance with this invention is as
follows:
claims in which the various novel features of
The captain of a ship approaching a friendly
the invention are more particularly set forth.
port and desiring to enter the port and avoid
In the accompanying drawings forming a ma
the mines positioned in this harbor turns on his
terial part of this disclosure—
Fig. l is a plan view of a portion of a body of 40 detector unit I8 and listens for the signal being
sent along the conductor l0. Upon receiving this
water provided with a pilot for ships constructed
signal he navigates his ship into a position in
in accordance with this invention.
which he hears the signal strongest. At the
Fig. 2 is a vertical sectional view taken on the
point where he hears the signa1 strongest he
line 2—2 of Fig. 1.
will know that his ship is in the path outlined
Fig. 3 is a partial vertical sectional view taken
by the conductor and he may then navigate the
on the line 3-—3 of Fig. 1.
ship along this path at which he hears the signal
Fig. 4 is a schematic wiring ‘diagram of a stand
strongest to take the ship safely into the port
ard ampli?er unit of the type which might be
desired destination through a mine ?eld.
Still further the invention proposes the pro
provided aboard friendly vessels for use in con
nection with this invention.
Fig. 5 is a view similar to Fig. 1 but illustrat
and anchor it at the dock or other desired an
chorage point.
In the modi?cation of the invention shown
in Fig. 5 the construction of the pilot for ships
ing a modi?cation of the invention. '
is similar to that previously described except
The pilot for ships, according to this inven
for the provision of misleading loops We in the
tion, includes a continuous conductor H) for lo
longitudinal loop Illa of the conductor l9’.
55
cation in a harbor or other body of water II for
2,406,512
These misleading loops Inc are constructed, by
twisting portions of the conductor to form cross
ing areas. These crossing areas will act to set
up extremely strong signals. Captains of friendly
vessels will be noti?ed that extremely strong
signals received after receiving the initial signal
are deceptive signals and will not be in?uenced
4
1. A guide means for ships, comprising a con
tinuous conductor for location in a harbor or
other body of water and de?ning a lane over
which a ship may safely travel to a desired
destination, means for sending a signal current
through said conductor, and a detector for re
ceiving said signals for location on a ship and
thereby. However, the captains of unfriendly
misleading loops formed in said conductor for
vessels upon receiving these strong signals will
confusing the enemy and leading them into a
be in?uenced thereby to change the‘course of 10 mine ?eld.
their ships and will be caused to navigate them
directly into the mine ?eld Where they will be
In other respects this form of the invention
is similar to that previously shown and like
reference numerals identify like parts in each
2. A guide means for ships, comprising a con
tinuous conductor for location in a harbor or
other body of water and de?ning a lane over
which a ship may safely travel to a desired
destination, means for sending a signal current
through said conductor, and a detector for re~
9f While
the Several
I have
Views”
illustrated, and described the
' ‘ceiving said signals for location on a ship and
destroyed.
misleading. loops formed in said conductor for
preferred embodiments of my invention, it is to
confusing the enemy and leading them into a.
be understood that I do not limit myself to the 20 mine ?eld, said misleading loops being formed
precise constructions herein disclosed and the
in a longitudinal loop formed‘ in said conductor
right is reserved to all changes and modi?cations
and which continues‘ into a transverse loop lead-»
coming within the scope of the invention as
ing to the desired destination.
de?ned in the appended claims.
Having thus described- my invention, what I 215i
WILLIAM RYAN.
claim as new and‘ desire to secure byv United
States Letters Patent is:
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