|
US2504999A
(en)
|
|
Electric signaling system
|
|
GB1244297A
(en)
|
|
A data communication system
|
|
US2468462A
(en)
|
|
Telegraph transmitter control mechanism
|
|
US1661748A
(en)
|
|
Louis l |
|
US2116549A
(en)
|
|
Telegraph system
|
|
SE178096C1
(OSRAM)
|
|
|
|
US2574904A
(en)
|
|
Endless chain of counting relays
|
|
US1709031A
(en)
|
|
Supervisory control system
|
|
US1945470A
(en)
|
|
Signal transmitting apparatus
|
|
US1210912A
(en)
|
|
Selecting mechanism and systems.
|
|
US2698426A
(en)
|
|
Pulse responsive selector
|
|
US1533171A
(en)
|
|
Telegraph system
|
|
US1689263A
(en)
|
|
Printing telegraphy
|
|
US3716674A
(en)
|
|
Variable timing automatic interrupter circuit for common telephone sender equipment
|
|
US2248583A
(en)
|
|
Code translating mechanism
|
|
US1805114A
(en)
|
|
Printing telegraph receiver
|
|
US1855244A
(en)
|
|
Telegraph system
|
|
US1107365A
(en)
|
|
Printing-telegraph.
|
|
US1881453A
(en)
|
|
Telegraph printer exchange system
|
|
US2413849A
(en)
|
|
Printer storage system
|
|
US2724743A
(en)
|
|
Electronic register translators
|
|
US2251666A
(en)
|
|
Impulse sender
|
|
US2113611A
(en)
|
|
Communication system
|
|
US1851956A
(en)
|
|
Method of and apparatus for signaling in high speed telegraph systems
|
|
US2420546A
(en)
|
|
Remote control system
|