US2471253A
(en)
*
|
1937-06-15 |
1949-05-24 |
Toulon Pierre Marie Gabriel |
Signal distributing system
|
BE477832A
(en)
*
|
1942-03-12 |
|
|
|
US2447233A
(en)
*
|
1943-04-07 |
1948-08-17 |
Standard Telephones Cables Ltd |
Pulse time modulation multiplex receiver
|
BE481274A
(en)
*
|
1943-10-11 |
|
|
|
US2429613A
(en)
*
|
1943-10-19 |
1947-10-28 |
Standard Telephones Cables Ltd |
Pulse multiplex communication system
|
US2444741A
(en)
*
|
1943-12-31 |
1948-07-06 |
Hazeltine Research Inc |
Wave-signal translating system
|
US2459798A
(en)
*
|
1944-03-03 |
1949-01-25 |
Standard Telephones Cables Ltd |
Signal translator blocking circuit
|
US2516885A
(en)
*
|
1944-04-17 |
1950-08-01 |
Standard Telephones Cables Ltd |
Relay system
|
US2594535A
(en)
*
|
1944-04-26 |
1952-04-29 |
Us Navy |
Multiple channel electronic switch
|
BE476628A
(en)
*
|
1944-05-26 |
|
|
|
US2449819A
(en)
*
|
1944-05-29 |
1948-09-21 |
Rca Corp |
Multiplex radio communication
|
US4232186A
(en)
*
|
1944-07-22 |
1980-11-04 |
Rca Corporation |
Method of and means for generating complex electrical coding waves for secret communications
|
BE479412A
(en)
*
|
1944-08-07 |
|
|
|
US2454792A
(en)
*
|
1944-08-19 |
1948-11-30 |
Standard Telephones Cables Ltd |
Pulse multiplex communication system
|
US2532719A
(en)
*
|
1944-10-16 |
1950-12-05 |
John H Homrighous |
Dimensional radio communication system
|
US2682575A
(en)
*
|
1944-10-19 |
1954-06-29 |
Bell Telephone Labor Inc |
Time division multiplex system
|
US2508620A
(en)
*
|
1944-11-09 |
1950-05-23 |
Rca Corp |
Multiplex pulse communication system
|
US2513335A
(en)
*
|
1944-11-25 |
1950-07-04 |
Standard Telephones Cables Ltd |
Demodulator system
|
BE473659A
(en)
*
|
1945-03-05 |
|
|
|
US2513910A
(en)
*
|
1945-03-28 |
1950-07-04 |
Rca Corp |
Multiplex telegraph system
|
BE479583A
(en)
*
|
1945-04-30 |
|
|
|
US2521952A
(en)
*
|
1945-06-13 |
1950-09-12 |
Richard G Stephenson |
Electronic switch
|
US2451044A
(en)
*
|
1945-07-09 |
1948-10-12 |
Bell Telephone Labor Inc |
Communication system employing pulse code modulation
|
US2508622A
(en)
*
|
1945-07-09 |
1950-05-23 |
Bell Telephone Labor Inc |
Pulse code modulation communication system
|
US2520170A
(en)
*
|
1945-11-14 |
1950-08-29 |
Standard Telephones Cables Ltd |
Pulse responsive circuit
|
US2567203A
(en)
*
|
1946-02-05 |
1951-09-11 |
Marcel J E Golay |
Multiplex communication system utilizing successive, different pulse modulation techniques
|
GB611639A
(en)
*
|
1946-04-30 |
1948-11-02 |
Cinema Television Ltd |
Improvements in or relating to relaying systems for telephony, television, facsimile and like methods of transmitting intelligence
|
NL78385C
(en)
*
|
1946-06-20 |
|
|
|
US2543736A
(en)
*
|
1946-06-28 |
1951-02-27 |
Rca Corp |
Pulse multiplex system employing step-wave commutation
|
US2649540A
(en)
*
|
1946-07-08 |
1953-08-18 |
John H Homrighous |
Multiplex radiophone communication system
|
US2536654A
(en)
*
|
1947-01-04 |
1951-01-02 |
Rca Corp |
Pulse multiplex transmission system
|
BE479854A
(en)
*
|
1947-01-24 |
|
|
|
US2629841A
(en)
*
|
1947-02-27 |
1953-02-24 |
Bell Telephone Labor Inc |
Transversal electric wave filter
|
US2559661A
(en)
*
|
1947-04-02 |
1951-07-10 |
Int Standard Electric Corp |
Multichannel electrical pulse communication system
|
GB640015A
(en)
*
|
1947-06-05 |
1950-07-12 |
British Telecomm Res Ltd |
Improvements in and relating to apparatus for compressing or expanding the frequencybands of electric oscillations
|
US2515339A
(en)
*
|
1947-06-27 |
1950-07-18 |
Bell Telephone Labor Inc |
Three coordinate indicating system for radar apparatus
|
US2532310A
(en)
*
|
1947-07-24 |
1950-12-05 |
John H Homrighous |
Time-division multiplex radiophone system
|
BE485317A
(en)
*
|
1947-10-16 |
|
|
|
FR974379A
(en)
*
|
1947-10-27 |
1951-02-21 |
|
|
FR955629A
(en)
*
|
1947-10-28 |
1950-01-18 |
|
|
US2645770A
(en)
*
|
1948-02-16 |
1953-07-14 |
Veaux Henri Maurice |
Time division multiplex radio system
|
US2594923A
(en)
*
|
1948-06-16 |
1952-04-29 |
Bell Telephone Labor Inc |
Call data recording telephone system
|
US2852763A
(en)
*
|
1948-06-29 |
1958-09-16 |
Raytheon Mfg Co |
Telemetering receiving systems
|
US2613276A
(en)
*
|
1949-01-07 |
1952-10-07 |
John H Homrighous |
Multiplex time division radiophone system
|
US2878316A
(en)
*
|
1949-01-14 |
1959-03-17 |
Philco Corp |
Multi-channel communication system
|
US2565479A
(en)
*
|
1949-06-30 |
1951-08-28 |
Douglas B Cruikshank |
Communication system
|
NL87829C
(en)
*
|
1949-10-26 |
|
|
|
US2691727A
(en)
*
|
1949-11-02 |
1954-10-12 |
Int Standard Electric Corp |
Impulse storing and distributing circuit
|
US2651677A
(en)
*
|
1950-03-18 |
1953-09-08 |
Int Standard Electric Corp |
Electrical intercommunication system
|
US2670408A
(en)
*
|
1950-11-15 |
1954-02-23 |
George G Kelley |
Coupling stage for distributed amplifier stages
|
DE975509C
(en)
*
|
1952-04-25 |
1961-12-14 |
Standard Elek K Lorenz Ag |
Arrangement for demodulation for time division multiplex transmission systems with pulse phase modulation
|
US2745004A
(en)
*
|
1952-10-06 |
1956-05-08 |
Du Mont Allen B Lab Inc |
Variable pulse delay circuit
|
US2778886A
(en)
*
|
1952-12-30 |
1957-01-22 |
Melpar Inc |
Distributed triode amplifiers
|
BE543909A
(en)
*
|
1954-12-23 |
|
|
|