|
US3223931A
(en)
*
|
1943-12-20 |
1965-12-14 |
Bell Telephone Labor Inc |
Impulse producing circuit
|
|
BE467059A
(es)
*
|
1943-12-27 |
|
|
|
|
GB582257A
(en)
*
|
1944-06-17 |
1946-11-11 |
Hughes Henry & Son Ltd |
Improvements in and relating to stabilised radar scanner equipment mounted on vehicles of all kinds
|
|
GB635473A
(en)
*
|
1944-09-01 |
1950-04-12 |
Standard Telephones Cables Ltd |
Improvements in multi-channel electrical communication systems utilising distributors
|
|
US2650305A
(en)
*
|
1945-01-31 |
1953-08-25 |
Products & Licensing Corp |
Converter and other electrical apparatus with rotary commutators
|
|
US2513910A
(en)
*
|
1945-03-28 |
1950-07-04 |
Rca Corp |
Multiplex telegraph system
|
|
US2645771A
(en)
*
|
1945-04-18 |
1953-07-14 |
Standard Telephones Cables Ltd |
Pulsed radio remote-control system
|
|
US2425950A
(en)
*
|
1945-06-12 |
1947-08-19 |
Morrison Montford |
Signal transmission device
|
|
US2683869A
(en)
*
|
1945-09-21 |
1954-07-13 |
William C Norris |
Automatic communication system
|
|
US2701841A
(en)
*
|
1945-10-10 |
1955-02-08 |
Arden H Fredrick |
Range unit
|
|
US2684467A
(en)
*
|
1945-12-14 |
1954-07-20 |
Us Navy |
Impedance bridge
|
|
US2485886A
(en)
*
|
1946-02-21 |
1949-10-25 |
Us Navy |
Triple gate
|
|
NL81951C
(es)
*
|
1946-03-01 |
|
|
|
|
US2818505A
(en)
*
|
1946-05-06 |
1957-12-31 |
Gen Electric |
Control circuit
|
|
US2562889A
(en)
*
|
1946-07-22 |
1951-08-07 |
Farnsworth Res Corp |
Frequency divider
|
|
US2630367A
(en)
*
|
1947-01-31 |
1953-03-03 |
Nielsen A C Co |
System and apparatus for determining the listening habits of wave signal receiver users
|
|
US2642493A
(en)
*
|
1947-02-27 |
1953-06-16 |
Bell Telephone Labor Inc |
Automatic message accounting system
|
|
US2578643A
(en)
*
|
1947-02-28 |
1951-12-11 |
Wurlitzer Co |
Telemetering system
|
|
US2559390A
(en)
*
|
1947-07-03 |
1951-07-03 |
Gen Railway Signal Co |
Centralized traffic control system
|
|
US2660662A
(en)
*
|
1947-10-24 |
1953-11-24 |
Nielsen A C Co |
Search signal apparatus for determining the listening habits of wave signal receiver users
|
|
US2637024A
(en)
*
|
1947-10-29 |
1953-04-28 |
Sperry Corp |
Craft position plotting system
|
|
US2658189A
(en)
*
|
1948-01-09 |
1953-11-03 |
Bell Telephone Labor Inc |
Signaling system based on orthogonal functions
|
|
US2586151A
(en)
*
|
1948-02-26 |
1952-02-19 |
Rca Corp |
Electronic switching
|
|
US2542644A
(en)
*
|
1948-09-01 |
1951-02-20 |
Bell Telephone Labor Inc |
Multistage ring circuit
|
|
US2701095A
(en)
*
|
1949-02-12 |
1955-02-01 |
George R Stibitz |
Electronic computer for division
|
|
US2577015A
(en)
*
|
1949-03-22 |
1951-12-04 |
Earle C Anthony Inc |
Switching system
|
|
US2637812A
(en)
*
|
1949-06-14 |
1953-05-05 |
Northrop Aircraft Inc |
Electronic pulse spacer
|
|
US2705795A
(en)
*
|
1949-07-06 |
1955-04-05 |
Fisk Bert |
Data transmission system
|
|
US2702666A
(en)
*
|
1949-12-08 |
1955-02-22 |
Ibm |
Multifrequency electronic multiplier
|
|
US2755161A
(en)
*
|
1950-04-24 |
1956-07-17 |
Nielsen A C Co |
Apparatus for indicating at a remote point the tuning condition of a plurality of wave signal receivers
|
|
US2782306A
(en)
*
|
1951-08-09 |
1957-02-19 |
Ibm |
Electronic trigger circuit
|
|
US2781508A
(en)
*
|
1952-05-01 |
1957-02-12 |
Eustace E Suckling |
Intelligence transmission system
|
|
US2811665A
(en)
*
|
1953-01-19 |
1957-10-29 |
Gen Dynamics Corp |
Analog data converter
|
|
US2850725A
(en)
*
|
1953-03-19 |
1958-09-02 |
Hughes Aircraft Co |
Electronic high speed multiplexing system
|
|
US2991562A
(en)
*
|
1953-04-10 |
1961-07-11 |
Donald G C Hare |
Training aid system for wave detection equipment
|
|
US2975410A
(en)
*
|
1955-06-06 |
1961-03-14 |
Itt |
Data translating system
|
|
US2961649A
(en)
*
|
1956-03-09 |
1960-11-22 |
Kenneth R Eldredge |
Automatic reading system
|
|
US2848616A
(en)
*
|
1956-07-16 |
1958-08-19 |
Collins Radio Co |
Stepped frequency generating means
|
|
US2951988A
(en)
*
|
1957-08-05 |
1960-09-06 |
George H Harlan |
Pulse width discriminator
|
|
US3054100A
(en)
*
|
1958-06-04 |
1962-09-11 |
Gen Precision Inc |
Signalling system
|
|
US3063045A
(en)
*
|
1958-03-24 |
1962-11-06 |
Gen Motors Corp |
Call signal encoding transmitter
|
|
DE1086738B
(de)
*
|
1958-12-27 |
1960-08-11 |
Hell Rudolf Dr Ing Fa |
Verfahren und elektronische Vorrichtung zur Aussendung von Schriftzeichen im Hell-Code oder einem aehnlichen Code fuer Blattschreiberempfang (Faksimileverfahren)
|
|
US3159817A
(en)
*
|
1959-09-14 |
1964-12-01 |
Bliss E W Co |
Traffic signal control toner sequencer and responder
|
|
US3137847A
(en)
*
|
1959-11-04 |
1964-06-16 |
Link Aviation Inc |
Signalling system
|
|
US3175193A
(en)
*
|
1960-06-29 |
1965-03-23 |
Motorola Inc |
Traffic signal synchronizing system
|
|
US3205311A
(en)
*
|
1961-05-17 |
1965-09-07 |
Ibm |
Multiplexing and communication system with highly damped gated signal generator
|
|
DE2441452C3
(de)
*
|
1973-08-31 |
1980-01-17 |
Hitachi, Ltd., Tokio |
Anordnung zur Ultraschall-Nachrichtenübertragung
|