US2423931A
(en)
*
|
1933-05-05 |
1947-07-15 |
Rca Corp |
Apparatus for generating sweep voltages
|
US2441963A
(en)
*
|
1940-02-03 |
1948-05-25 |
Int Standard Electric Corp |
Electric impulse signaling system
|
US2470698A
(en)
*
|
1940-11-29 |
1949-05-17 |
Rca Corp |
Pulse modulation signaling system
|
US2842763A
(en)
*
|
1942-03-12 |
1958-07-08 |
Sperry Rand Corp |
Pulse receiving systems
|
US2428582A
(en)
*
|
1942-05-21 |
1947-10-07 |
Rca Corp |
Radio diversity transmitter
|
US2497958A
(en)
*
|
1942-05-21 |
1950-02-21 |
Rca Corp |
Communication system for ultrashort radio waves
|
US2485748A
(en)
*
|
1942-07-15 |
1949-10-25 |
Automatic Elect Lab |
Observation apparatus without wire changeovers
|
US2431832A
(en)
*
|
1942-07-30 |
1947-12-02 |
Rca Corp |
Single pulse relay
|
US2416304A
(en)
*
|
1942-09-05 |
1947-02-25 |
Standard Telephones Cables Ltd |
Trigger circuit
|
US2513954A
(en)
*
|
1942-09-28 |
1950-07-04 |
Gen Electric |
Synchronized pulse generator
|
US2552496A
(en)
*
|
1942-11-30 |
1951-05-08 |
Rinia Herre |
Receiver for modulated radiofrequency pulses
|
US2476337A
(en)
*
|
1943-01-22 |
1949-07-19 |
Sperry Corp |
Secret radio communication
|
US2465782A
(en)
*
|
1943-01-30 |
1949-03-29 |
Gen Electric |
Frequency modulation receiver
|
US2438638A
(en)
*
|
1943-03-30 |
1948-03-30 |
Rca Corp |
Pulse to rectangular wave converter
|
US2447233A
(en)
*
|
1943-04-07 |
1948-08-17 |
Standard Telephones Cables Ltd |
Pulse time modulation multiplex receiver
|
US2457974A
(en)
*
|
1943-06-17 |
1949-01-04 |
Rca Corp |
Pulse type telegraph receiver
|
US2632162A
(en)
*
|
1943-08-04 |
1953-03-17 |
Rca Corp |
Pulse multiplex receiver
|
US2478920A
(en)
*
|
1943-08-04 |
1949-08-16 |
Rca Corp |
Pulse system
|
US2857591A
(en)
*
|
1943-09-04 |
1958-10-21 |
Westinghouse Electric Corp |
Radio locators
|
US2425314A
(en)
*
|
1943-09-16 |
1947-08-12 |
Rca Corp |
Pulse communication system
|
US2438902A
(en)
*
|
1943-10-04 |
1948-04-06 |
Standard Telephones Cables Ltd |
Pulse multiplex system employing fixed pulse-time displacement for signaling
|
US2468058A
(en)
*
|
1943-11-23 |
1949-04-26 |
Standard Telephones Cables Ltd |
Blocking system for multichannel operation
|
US2468084A
(en)
*
|
1944-01-08 |
1949-04-26 |
Standard Telephones Cables Ltd |
Radio communicating system
|
US2468083A
(en)
*
|
1944-01-08 |
1949-04-26 |
Standard Telephones Cables Ltd |
Radio locating and communicating system
|
US2547001A
(en)
*
|
1944-01-26 |
1951-04-03 |
Standard Telephones Cables Ltd |
Drop channel pulse multiplex system
|
US2415667A
(en)
*
|
1944-02-11 |
1947-02-11 |
Hazeltine Research Inc |
Receiver-transmitting arrangement
|
US2425315A
(en)
*
|
1944-02-17 |
1947-08-12 |
Rca Corp |
Pulse communication system
|
US2485611A
(en)
*
|
1944-04-07 |
1949-10-25 |
Standard Telephones Cables Ltd |
Broadcasting system
|
US2428118A
(en)
*
|
1944-04-07 |
1947-09-30 |
Standard Telephones Cables Ltd |
Pulse multiplex system
|
US2516885A
(en)
*
|
1944-04-17 |
1950-08-01 |
Standard Telephones Cables Ltd |
Relay system
|
US2509218A
(en)
*
|
1944-04-20 |
1950-05-30 |
Standard Telephones Cables Ltd |
Repeater link system
|
US2594535A
(en)
*
|
1944-04-26 |
1952-04-29 |
Us Navy |
Multiple channel electronic switch
|
US2479954A
(en)
*
|
1944-04-29 |
1949-08-23 |
Philco Corp |
Pulse delay system
|
BE480685A
(en)
*
|
1944-04-29 |
|
|
|
US2471416A
(en)
*
|
1944-05-05 |
1949-05-31 |
Standard Telephones Cables Ltd |
Radio communicating system
|
US2497965A
(en)
*
|
1944-05-16 |
1950-02-21 |
Rca Corp |
Electronic keying circuit with one negative and one positive voltage output
|
BE476628A
(en)
*
|
1944-05-26 |
|
|
|
BE478252A
(en)
*
|
1944-05-26 |
|
|
|
BE472159A
(en)
*
|
1944-05-26 |
|
|
|
US3470323A
(en)
*
|
1944-06-30 |
1969-09-30 |
Bell Telephone Labor Inc |
Signaling system
|
US4232186A
(en)
*
|
1944-07-22 |
1980-11-04 |
Rca Corporation |
Method of and means for generating complex electrical coding waves for secret communications
|
US2445448A
(en)
*
|
1944-07-27 |
1948-07-20 |
Rca Corp |
Electron discharge device trigger circuit
|
US2423466A
(en)
*
|
1944-08-01 |
1947-07-08 |
Bell Telephone Labor Inc |
Time division multiplex
|
BE479412A
(en)
*
|
1944-08-07 |
|
|
|
BE480311A
(en)
*
|
1944-08-18 |
|
|
|
BE467470A
(en)
*
|
1944-08-25 |
|
|
|
BE472941A
(en)
*
|
1944-09-16 |
1900-01-01 |
|
|
US2605460A
(en)
*
|
1944-09-20 |
1952-07-29 |
Howard C Storck |
Suppression 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
|
US2836657A
(en)
*
|
1944-11-20 |
1958-05-27 |
Gen Electric |
Secrecy communication system
|
BE469039A
(en)
*
|
1944-11-25 |
|
|
|
US2502687A
(en)
*
|
1944-12-30 |
1950-04-04 |
Rca Corp |
Multivibrator and control of same
|
US2479652A
(en)
*
|
1945-01-11 |
1949-08-23 |
Rca Corp |
Receiving system for code signals
|
US2644093A
(en)
*
|
1945-01-24 |
1953-06-30 |
Us Sec War |
Frequency stabilizing circuit
|
US2495690A
(en)
*
|
1945-01-27 |
1950-01-31 |
Philco Corp |
Echo-triggered radar system
|
US2579070A
(en)
*
|
1945-02-14 |
1951-12-18 |
Rca Corp |
Multiplex communication system
|
US2457559A
(en)
*
|
1945-02-15 |
1948-12-28 |
Bell Telephone Labor Inc |
Repeater for pulse communication system
|
US2509237A
(en)
*
|
1945-02-26 |
1950-05-30 |
Standard Telephones Cables Ltd |
Radiobroadcasting system
|
BE477651A
(en)
*
|
1945-03-01 |
|
|
|
US2513910A
(en)
*
|
1945-03-28 |
1950-07-04 |
Rca Corp |
Multiplex telegraph system
|
US2488420A
(en)
*
|
1945-04-23 |
1949-11-15 |
Honeywell Regulator Co |
Electronic measuring system having residual potential compensation
|
BE472942A
(en)
*
|
1945-05-10 |
1900-01-01 |
|
|
US3953678A
(en)
*
|
1945-05-10 |
1976-04-27 |
Bell Telephone Laboratories, Incorporated |
Speech component key signaling system with code combinations
|
US3953677A
(en)
*
|
1945-05-10 |
1976-04-27 |
Bell Telephone Laboratories, Incorporated |
Key signaling system with multiple pulse generators
|
US3944745A
(en)
*
|
1945-05-10 |
1976-03-16 |
Bell Telephone Laboratories, Incorporated |
Secret signaling system with means for preventing key disclosure
|
US3924074A
(en)
*
|
1945-05-19 |
1975-12-02 |
Bell Telephone Labor Inc |
Pulse position modulation key signaling system
|
US2495684A
(en)
*
|
1945-06-02 |
1950-01-31 |
Farnsworth Res Corp |
Multivibrator
|
US2616954A
(en)
*
|
1945-07-05 |
1952-11-04 |
Thomas A Prugh |
Electrical apparatus
|
US2451044A
(en)
*
|
1945-07-09 |
1948-10-12 |
Bell Telephone Labor Inc |
Communication system employing pulse code modulation
|
BE473323A
(en)
*
|
1945-07-09 |
1900-01-01 |
|
|
US2508622A
(en)
*
|
1945-07-09 |
1950-05-23 |
Bell Telephone Labor Inc |
Pulse code modulation communication system
|
US2549764A
(en)
*
|
1945-07-09 |
1951-04-24 |
Fransworth Res Corp |
Pulse generator
|
US2582968A
(en)
*
|
1945-10-10 |
1952-01-22 |
Standard Telephones Cables Ltd |
Electrical pulse secrecy communication system
|
US2548813A
(en)
*
|
1945-10-19 |
1951-04-10 |
George D Perkins |
Radio transmitting-receiving apparatus
|
US2624872A
(en)
*
|
1945-11-26 |
1953-01-06 |
Jr Robert A Emmett |
Test instrument for blind landing systems
|
US2754511A
(en)
*
|
1945-11-29 |
1956-07-10 |
Glenn H Musselman |
Signal pulse amplitude equalizer
|
US2525634A
(en)
*
|
1945-12-07 |
1950-10-10 |
Rca Corp |
Pulse communication system
|
GB604817A
(en)
*
|
1945-12-28 |
1948-07-09 |
Standard Telephones Cables Ltd |
Improvements relating to multi-channel pulse communication systems
|
BE476632A
(en)
*
|
1945-12-31 |
|
|
|
US2567203A
(en)
*
|
1946-02-05 |
1951-09-11 |
Marcel J E Golay |
Multiplex communication system utilizing successive, different pulse modulation techniques
|
US2486491A
(en)
*
|
1946-02-08 |
1949-11-01 |
Bell Telephone Labor Inc |
Gate distributor circuits
|
US2536646A
(en)
*
|
1946-02-18 |
1951-01-02 |
Rca Corp |
Electronic keying device
|
US2586091A
(en)
*
|
1946-04-18 |
1952-02-19 |
Hartford Nat Bank & Trust Co |
Modulated radio frequency pulse receiver
|
US2454219A
(en)
*
|
1946-04-27 |
1948-11-16 |
Westinghouse Electric Corp |
Transponder for testing radar devices
|
US2539797A
(en)
*
|
1946-05-09 |
1951-01-30 |
Rca Corp |
Signal transmission system
|
US2469066A
(en)
*
|
1946-06-01 |
1949-05-03 |
Rca Corp |
Pulse multiplex receiver
|
US2649540A
(en)
*
|
1946-07-08 |
1953-08-18 |
John H Homrighous |
Multiplex radiophone communication system
|
US2471138A
(en)
*
|
1946-08-16 |
1949-05-24 |
Gen Electric |
Radio communication system
|
US2551529A
(en)
*
|
1946-08-27 |
1951-05-01 |
Francis J Davis |
Pulse amplitude discriminator
|
US2529564A
(en)
*
|
1946-09-17 |
1950-11-14 |
Rca Corp |
Pulse multiplex receiving system
|
US2537056A
(en)
*
|
1946-11-13 |
1951-01-09 |
Conrad H Hoeppner |
Pulse multiplex system
|
US2499844A
(en)
*
|
1947-01-16 |
1950-03-07 |
Philco Corp |
Receiver for pulse-position-modulation systems
|
US2616975A
(en)
*
|
1947-02-06 |
1952-11-04 |
Rca Corp |
Time division multiplex system
|
US2588930A
(en)
*
|
1947-04-22 |
1952-03-11 |
Gen Railway Signal Co |
Airway traffic control system
|
US2456026A
(en)
*
|
1947-06-14 |
1948-12-14 |
Rca Corp |
Modulator employing trigger circuit
|
US2592228A
(en)
*
|
1947-07-07 |
1952-04-08 |
Bell Telephone Labor Inc |
Decoder for pulse code modulation receivers
|
US2547549A
(en)
*
|
1947-10-02 |
1951-04-03 |
Bell Telephone Labor Inc |
Ringing equipment for pulse modulation systems
|
BE513508A
(en)
*
|
1947-10-21 |
|
|
|
US2597038A
(en)
*
|
1947-11-19 |
1952-05-20 |
Int Standard Electric Corp |
Two-way electric pulse communication system
|
GB680702A
(en)
*
|
1947-12-07 |
1952-10-08 |
Standard Telephones Cables Ltd |
Mixed modulation in pulsed intercommunication systems
|
BE489875A
(en)
*
|
1948-06-29 |
|
|
|
US2651677A
(en)
*
|
1950-03-18 |
1953-09-08 |
Int Standard Electric Corp |
Electrical intercommunication system
|
DE944966C
(en)
*
|
1950-05-25 |
1956-06-28 |
Siemens Ag |
Method for wireless messaging
|
US2950473A
(en)
*
|
1953-02-04 |
1960-08-23 |
Csf |
Radioelectric distance measuring systems
|
US3040257A
(en)
*
|
1954-04-05 |
1962-06-19 |
Warren D White |
Means for generating a symmetrical gate voltage
|
US2901606A
(en)
*
|
1955-02-09 |
1959-08-25 |
Koepenick Funkwerk Veb |
Electronic time delay relay
|
FR1226561A
(en)
*
|
1959-02-20 |
1960-07-13 |
Csf |
Improvements to microwave links
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US3238310A
(en)
*
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1961-02-13 |
1966-03-01 |
Rca Corp |
Bidirectional amplifiers
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US6295318B1
(en)
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1997-11-03 |
2001-09-25 |
Peter F. Wingard |
Method and system for increasing the data rate over twisted copper pairs and other bandwidth-limited dedicated communications facilities
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US6946989B2
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*
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2000-03-01 |
2005-09-20 |
Geir Monsen Vavik |
Transponder, including transponder system
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