Farnsworth Television and Radio Corp
FarnsworthActive Patents
0
Total Holdings
40
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2429755A | Video signal modulator | Expired / Lapsed | 1944-10-14 | 1947-10-28 | 0 | Details |
| US2427204A | Frequency multiplier | Expired / Lapsed | 1944-07-14 | 1947-09-09 | 0 | Details |
| US2425956A | Target seeking device with phototube multiplier | Expired / Lapsed | 1944-01-27 | 1947-08-19 | 0 | Details |
| US2424850A | Photoelectron multiplier | Expired / Lapsed | 1944-04-07 | 1947-07-29 | 0 | Details |
| US2424349A | Noise limiter and automatic volume control for television r… | Expired / Lapsed | 1943-02-15 | 1947-07-22 | 0 | Details |
| US2412086A | Image dissector tube | Expired / Lapsed | 1944-08-26 | 1946-12-03 | 0 | Details |
| US2412092A | Electronic timer | Expired / Lapsed | 1943-04-09 | 1946-12-03 | 0 | Details |
| US2406740A | Keystone correction apparatus | Expired / Lapsed | 1944-02-14 | 1946-09-03 | 0 | Details |
| US2396023A | Television signal amplifier | Expired / Lapsed | 1943-04-26 | 1946-03-05 | 0 | Details |
| US2389992A | Automatic frequency control apparatus | Expired / Lapsed | 1943-04-15 | 1945-11-27 | 0 | Details |
| US2389991A | Mosaic sensitivity indicator | Expired / Lapsed | 1943-03-18 | 1945-11-27 | 0 | Details |
| US2389979A | Color television system | Expired / Lapsed | 1942-04-14 | 1945-11-27 | 0 | Details |
| US2387685A | Voltage generator | Expired / Lapsed | 1943-02-15 | 1945-10-23 | 0 | Details |
| US2377500A | Voltage regulator | Expired / Lapsed | 1943-03-18 | 1945-06-05 | 0 | Details |
| US2373165A | Unidirectional power supply | Expired / Lapsed | 1943-01-11 | 1945-04-10 | 0 | Details |
| US2366902A | Keystone correction circuit | Expired / Lapsed | 1942-04-01 | 1945-01-09 | 0 | Details |
| US2352488A | Video signal control system | Expired / Lapsed | 1942-09-19 | 1944-06-27 | 0 | Details |
| US2350331A | Communication system | Expired / Lapsed | 1941-10-25 | 1944-06-06 | 0 | Details |
| US2345668A | Impulse generator | Expired / Lapsed | 1942-03-14 | 1944-04-04 | 0 | Details |
| US2337736A | Color filter disk | Expired / Lapsed | 1941-01-30 | 1943-12-28 | 0 | Details |
| US2329877A | Demodulation system | Expired / Lapsed | 1941-09-29 | 1943-09-21 | 0 | Details |
| US2323513A | Continuous projector | Expired / Lapsed | 1940-08-14 | 1943-07-06 | 0 | Details |
| US2321521A | Frequency band filter | Expired / Lapsed | 1941-01-10 | 1943-06-08 | 0 | Details |
| US2311981A | Electron control device | Expired / Lapsed | 1940-07-25 | 1943-02-23 | 0 | Details |
| US2309506A | Color television system | Expired / Lapsed | 1941-03-07 | 1943-01-26 | 0 | Details |
| US2304635A | Frequency modulation monitor | Expired / Lapsed | 1940-09-16 | 1942-12-08 | 0 | Details |
| US2301522A | Automatic black level control | Expired / Lapsed | 1941-07-23 | 1942-11-10 | 0 | Details |
| US2297949A | Deflecting system | Expired / Lapsed | 1941-05-22 | 1942-10-06 | 0 | Details |
| US2292111A | Image dissector | Expired / Lapsed | 1940-09-07 | 1942-08-04 | 0 | Details |
| US2290377A | Anode modulated tube | Expired / Lapsed | 1940-04-01 | 1942-07-21 | 0 | Details |
| US2274194A | Apparatus for and method of electron discharge control | Expired / Lapsed | 1940-02-23 | 1942-02-24 | 0 | Details |
| US2226436A | System of picture transmission | Expired / Lapsed | 1932-08-26 | 1940-12-24 | 0 | Details |
| US2223001A | High efficiency amplifier | Expired / Lapsed | 1939-04-24 | 1940-11-26 | 0 | Details |
| US2221374A | X-ray projection device | Expired / Lapsed | 1937-03-22 | 1940-11-12 | 0 | Details |
| US2219120A | Facsimile system | Expired / Lapsed | 1935-03-27 | 1940-10-22 | 0 | Details |
| US2214077A | Scanning current generator | Expired / Lapsed | 1936-02-10 | 1940-09-10 | 0 | Details |
| US2213070A | Image source | Expired / Lapsed | 1936-07-11 | 1940-08-27 | 0 | Details |
| US2203048A | Shielded anode electron multiplier | Expired / Lapsed | 1938-06-13 | 1940-06-04 | 0 | Details |
| US2174490A | Telephoto system | Expired / Lapsed | 1935-03-27 | 1939-09-26 | 0 | Details |
| US2159521A | Absorption oscillator | Expired / Lapsed | 1936-03-09 | 1939-05-23 | 0 | Details |