FR951004A - Improvements in means for increasing the signal-to-noise ratio in radio transmission systems - Google Patents
Improvements in means for increasing the signal-to-noise ratio in radio transmission systemsInfo
- Publication number
- FR951004A FR951004A FR951004DA FR951004A FR 951004 A FR951004 A FR 951004A FR 951004D A FR951004D A FR 951004DA FR 951004 A FR951004 A FR 951004A
- Authority
- FR
- France
- Prior art keywords
- increasing
- signal
- noise ratio
- radio transmission
- transmission systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB272430X | 1941-12-19 | ||
GB8798/43A GB585827A (en) | 1941-12-19 | 1943-06-01 | Improvements in or relating to the demodulation of time-modulated electrical pulses |
Publications (1)
Publication Number | Publication Date |
---|---|
FR951004A true FR951004A (en) | 1949-10-13 |
Family
ID=32232364
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR939281D Expired FR939281A (en) | 1941-12-19 | 1946-08-29 | Devices for demodulating time-modulated electrical pulses |
FR951004D Expired FR951004A (en) | 1941-12-19 | 1947-08-05 | Improvements in means for increasing the signal-to-noise ratio in radio transmission systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR939281D Expired FR939281A (en) | 1941-12-19 | 1946-08-29 | Devices for demodulating time-modulated electrical pulses |
Country Status (6)
Country | Link |
---|---|
US (2) | US2426187A (en) |
BE (2) | BE480687A (en) |
CH (1) | CH272430A (en) |
ES (1) | ES177443A1 (en) |
FR (2) | FR939281A (en) |
GB (1) | GB579117A (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2677761A (en) * | 1945-11-26 | 1954-05-04 | Us Navy | Communication system |
US2720592A (en) * | 1945-11-26 | 1955-10-11 | Howard L Schultz | Self-synchronization system |
US2605410A (en) * | 1946-08-27 | 1952-07-29 | Rca Corp | Pulse-time discriminator |
NL66481C (en) * | 1947-01-14 | |||
US2482782A (en) * | 1947-02-13 | 1949-09-27 | Jr George W Lenny | Pulse discrimination system |
US2580148A (en) * | 1947-12-09 | 1951-12-25 | Collins Radio Co | Antinoise carrier receiving system |
US2761062A (en) * | 1947-12-09 | 1956-08-28 | Collins Radio Co | Carrier-sensing anti-noise receiving system |
US2554112A (en) * | 1947-12-18 | 1951-05-22 | Libois Louis Joseph | Multiplex transmission system by means of electrical impulses |
US3087152A (en) * | 1948-07-01 | 1963-04-23 | Aircraft Radio Corp | Radar beacon receiver for positionmodulated pulse signals |
US2718638A (en) * | 1950-01-20 | 1955-09-20 | Itt | Signal correlation radio receiver |
US2839734A (en) * | 1950-05-01 | 1958-06-17 | William T Hanley | Frequency slope detection sonar |
US2935604A (en) * | 1951-12-01 | 1960-05-03 | Toro Michael J Di | Long range communication system |
US2926243A (en) * | 1951-12-11 | 1960-02-23 | Melpar Inc | Distance measuring systems |
US2841704A (en) * | 1952-04-09 | 1958-07-01 | Philco Corp | Signal integrating system |
US2767259A (en) * | 1952-10-01 | 1956-10-16 | Rca Corp | Noise compensation in electron beam devices |
US2914762A (en) * | 1954-02-24 | 1959-11-24 | Raytheon Co | Dual channel noise coherence reducers |
US3013122A (en) * | 1955-01-05 | 1961-12-12 | Gen Electric | Multiplex system |
US2908812A (en) * | 1955-11-09 | 1959-10-13 | George J Laurent | Pulse-to-pulse non-linear filters |
US2982853A (en) * | 1956-07-02 | 1961-05-02 | Research Corp | Anti-multipath receiving system |
US3042915A (en) * | 1957-04-09 | 1962-07-03 | Gen Electric | Signal processing arrangement |
US3095540A (en) * | 1960-11-17 | 1963-06-25 | Avco Corp | Intermediate frequency balance bias system |
US3205443A (en) * | 1961-06-26 | 1965-09-07 | Gen Electronic Lab Inc | Interfering signal resolving system |
US3305632A (en) * | 1963-11-14 | 1967-02-21 | Internat Telemeter Corp | Television receiver if frequency stabilizing system |
US3267384A (en) * | 1964-03-16 | 1966-08-16 | Automatic Elect Lab | Phase discriminator of optimum linearity bandwidth |
US3539932A (en) * | 1966-06-14 | 1970-11-10 | Hoffman Electronics Corp | Circuits and methods for measuring the amplitude of plural signals |
US3492576A (en) * | 1966-07-29 | 1970-01-27 | Bell Telephone Labor Inc | Differential phase modulated communication system |
US3573642A (en) * | 1969-03-10 | 1971-04-06 | Motorola Inc | Band-limited fm detector |
US4027247A (en) * | 1975-11-11 | 1977-05-31 | Bell Telephone Laboratories, Incorporated | Receiver especially for use as a diversity combining receiver with channel selection capability |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2230212A (en) * | 1932-06-20 | 1941-01-28 | Rca Corp | Signal receiver |
US2226459A (en) * | 1935-11-23 | 1940-12-24 | Philco Radio & Television Corp | Signal-deriving circuit |
GB491728A (en) * | 1937-03-10 | 1938-09-08 | Eric Lawrence Casling White | Improvements in or relating to circuit arrangements for separating electric signal pulses |
NL88393C (en) * | 1937-06-18 | |||
CH206044A (en) * | 1937-07-11 | 1939-07-15 | Sport Ag | Method and device for receiving frequency-modulated oscillations. |
BE436744A (en) * | 1938-10-21 | |||
US2227906A (en) * | 1938-10-29 | 1941-01-07 | Rca Corp | Envelope current device |
US2212420A (en) * | 1938-12-15 | 1940-08-20 | Hazeltine Corp | Periodic wave repeater |
US2266154A (en) * | 1939-02-25 | 1941-12-16 | Emi Ltd | Thermionic valve circuits |
US2239757A (en) * | 1940-01-02 | 1941-04-29 | Rca Corp | Signal detecting system |
US2340432A (en) * | 1942-05-23 | 1944-02-01 | Rca Corp | Phase modulation receiver |
-
0
- BE BE476627D patent/BE476627A/xx unknown
- BE BE480687D patent/BE480687A/xx unknown
-
1941
- 1941-12-19 GB GB16435/41A patent/GB579117A/en not_active Expired
-
1942
- 1942-11-23 US US466655A patent/US2426187A/en not_active Expired - Lifetime
-
1944
- 1944-05-30 US US538062A patent/US2462110A/en not_active Expired - Lifetime
-
1946
- 1946-08-29 FR FR939281D patent/FR939281A/en not_active Expired
-
1947
- 1947-03-31 ES ES0177443A patent/ES177443A1/en not_active Expired
- 1947-08-05 FR FR951004D patent/FR951004A/en not_active Expired
- 1947-09-23 CH CH272430D patent/CH272430A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE480687A (en) | |
US2426187A (en) | 1947-08-26 |
FR939281A (en) | 1948-11-09 |
BE476627A (en) | |
US2462110A (en) | 1949-02-22 |
GB579117A (en) | 1946-07-24 |
CH272430A (en) | 1950-12-15 |
ES177443A1 (en) | 1947-05-01 |
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