DE758709C
(de)
*
|
1939-03-14 |
1953-06-01 |
Marconi Wireless Telegraph Co |
Automatischer Peiler
|
BE446655A
(fr)
*
|
1941-01-17 |
|
|
|
US2468063A
(en)
*
|
1941-04-18 |
1949-04-26 |
Int Standard Electric Corp |
Electromagnetic wave direction indicator
|
US2468064A
(en)
*
|
1941-04-25 |
1949-04-26 |
Int Standard Electric Corp |
Radiogoniometer
|
US2419671A
(en)
*
|
1942-02-26 |
1947-04-29 |
Standard Telephones Cables Ltd |
Direction finding system
|
US2660721A
(en)
*
|
1942-04-09 |
1953-11-24 |
Robert M Page |
Radio echo ranging apparatus
|
US2617982A
(en)
*
|
1942-04-30 |
1952-11-11 |
Sperry Corp |
Radio gun control system
|
US2779939A
(en)
*
|
1942-05-07 |
1957-01-29 |
Robert M Page |
Indicating systems
|
US2519366A
(en)
*
|
1942-05-21 |
1950-08-22 |
Maxwell K Goldstein |
Direction finder
|
US2869027A
(en)
*
|
1942-06-26 |
1959-01-13 |
Raytheon Mfg Co |
Signalling apparatus
|
US2628350A
(en)
*
|
1942-07-27 |
1953-02-10 |
Robert M Page |
Radio frequency energy range and direction finder
|
US2629866A
(en)
*
|
1942-09-19 |
1953-02-24 |
Robert M Page |
Position indicating apparatus
|
US2422361A
(en)
*
|
1943-01-28 |
1947-06-17 |
Rca Corp |
Electronic indicator system
|
US2438946A
(en)
*
|
1943-02-20 |
1948-04-06 |
Standard Telephones Cables Ltd |
Radio direction finding system
|
US2419219A
(en)
*
|
1943-05-25 |
1947-04-22 |
Sperry Gyroscope Co Inc |
Phase responsive circuits
|
US2416341A
(en)
*
|
1943-06-25 |
1947-02-25 |
Bell Telephone Labor Inc |
Pure sinusoidal wave generator
|
US2431989A
(en)
*
|
1943-09-20 |
1947-12-02 |
Hazeltine Research Inc |
Radiated signal direction finder
|
US2706290A
(en)
*
|
1943-09-20 |
1955-04-12 |
Fox Benjamin |
Monitoring system
|
US2431990A
(en)
*
|
1943-09-20 |
1947-12-02 |
Hazeltine Research Inc |
Cathode-ray device for indicating the axis of a symmetrical signal
|
DE898036C
(de)
*
|
1944-01-04 |
1953-11-26 |
Svenska Aktiebolag Gasaccumula |
Vorrichtung zum Messen von Phasenwinkeln, beispielsweise fuer die Bestimmung einer Funkpeilrichtung
|
US2436447A
(en)
*
|
1944-05-23 |
1948-02-24 |
Colonial Radio Corp |
Sweep control for panoramic oscilloscopes
|
US2476977A
(en)
*
|
1944-06-24 |
1949-07-26 |
Paul G Hansel |
Radio direction finder
|
US2489279A
(en)
*
|
1944-08-04 |
1949-11-29 |
Standard Telephones Cables Ltd |
Direction finding system
|
US2523288A
(en)
*
|
1944-08-09 |
1950-09-26 |
Standard Telephones Cables Ltd |
Direction finder system
|
US2640192A
(en)
*
|
1944-09-11 |
1953-05-26 |
Standard Telephones Cables Ltd |
Shiftable directional antenna
|
US2452388A
(en)
*
|
1944-09-20 |
1948-10-26 |
Philco Corp |
Electromagnetic system
|
US2597895A
(en)
*
|
1944-09-23 |
1952-05-27 |
Joseph F Novy |
Remote location and identification system
|
US2488022A
(en)
*
|
1945-02-01 |
1949-11-15 |
Rca Corp |
Radio receiving and indicating system
|
US2468116A
(en)
*
|
1945-03-06 |
1949-04-26 |
Standard Telephones Cables Ltd |
Direction finder
|
US2441658A
(en)
*
|
1945-03-30 |
1948-05-18 |
Rca Corp |
Direction finder
|
BE468032A
(fr)
*
|
1945-05-21 |
|
|
|
US2543034A
(en)
*
|
1945-08-21 |
1951-02-27 |
Standard Telephones Cables Ltd |
Earth inductor compass indicating system
|
US2483266A
(en)
*
|
1945-09-08 |
1949-09-27 |
Liquidometer Corp |
Electron tube type transmitter
|
US2720645A
(en)
*
|
1945-09-14 |
1955-10-11 |
Chalmers W Sherwin |
Off-centered plan position indicator system
|
US2494553A
(en)
*
|
1945-10-16 |
1950-01-17 |
Paul G Hansel |
Direction finding system
|
US2440639A
(en)
*
|
1945-12-05 |
1948-04-27 |
Bendix Aviat Corp |
Electronic distributor
|
FR956766A
(fr)
*
|
1946-07-01 |
1950-02-07 |
|
|
US2840813A
(en)
*
|
1947-03-20 |
1958-06-24 |
Itt |
Radio direction finder
|
US2458634A
(en)
*
|
1947-04-16 |
1949-01-11 |
Rca Corp |
Indicating device
|
US2602924A
(en)
*
|
1947-10-23 |
1952-07-08 |
Airborne Instr Lab Inc |
Antenna field pattern measuring system
|
US2975418A
(en)
*
|
1948-12-01 |
1961-03-14 |
Itt |
Direction finding systems
|
US2728910A
(en)
*
|
1949-07-26 |
1955-12-27 |
Marconi Wireless Telegraph Co |
Radio direction finders
|
US2760055A
(en)
*
|
1952-08-20 |
1956-08-21 |
Western Electric Co |
Antenna of ionized air
|
US3374670A
(en)
*
|
1965-04-26 |
1968-03-26 |
Maccleaster Schwarz |
Navigation instrumentation
|