FR862720A - Systèmes de transmission, de signaux à onde porteuse - Google Patents
Systèmes de transmission, de signaux à onde porteuseInfo
- Publication number
 - FR862720A FR862720A FR862720DA FR862720A FR 862720 A FR862720 A FR 862720A FR 862720D A FR862720D A FR 862720DA FR 862720 A FR862720 A FR 862720A
 - Authority
 - FR
 - France
 - Prior art keywords
 - carrier wave
 - wave signals
 - transmission systems
 - signals
 - 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
- 230000005540 biological transmission Effects 0.000 title 1
 
Classifications
- 
        
- H—ELECTRICITY
 - H04—ELECTRIC COMMUNICATION TECHNIQUE
 - H04B—TRANSMISSION
 - H04B3/00—Line transmission systems
 - H04B3/02—Details
 - H04B3/04—Control of transmission; Equalising
 - H04B3/10—Control of transmission; Equalising by pilot signal
 
 
Landscapes
- Engineering & Computer Science (AREA)
 - Computer Networks & Wireless Communication (AREA)
 - Signal Processing (AREA)
 - Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
 - Radio Relay Systems (AREA)
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| GB269949X | 1939-01-10 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| FR862720A true FR862720A (fr) | 1941-03-13 | 
Family
ID=10252462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR862720D Expired FR862720A (fr) | 1939-01-10 | 1939-12-30 | Systèmes de transmission, de signaux à onde porteuse | 
Country Status (6)
| Country | Link | 
|---|---|
| US (1) | US2626993A (enEXAMPLES) | 
| BE (1) | BE523615A (enEXAMPLES) | 
| CH (1) | CH269949A (enEXAMPLES) | 
| ES (1) | ES176101A1 (enEXAMPLES) | 
| FR (1) | FR862720A (enEXAMPLES) | 
| GB (1) | GB523615A (enEXAMPLES) | 
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2838742A (en) * | 1951-12-29 | 1958-06-10 | Pan American Petroleum Corp | Seismic gain control | 
| US2723387A (en) * | 1953-05-18 | 1955-11-08 | United Geophysical Corp | Seismic prospecting system | 
| US3177429A (en) * | 1961-01-24 | 1965-04-06 | Felten & Guilleaume Gmbh | Amplifier regulation control means for a communications relay station | 
| AU407352B2 (en) * | 1965-12-29 | 1970-10-15 | Improvements in automatic gain regulators | |
| US4245353A (en) * | 1979-01-17 | 1981-01-13 | Rockwell International Corporation | Amplitude tilt correction apparatus | 
| JP4267324B2 (ja) * | 2001-02-22 | 2009-05-27 | 富士通株式会社 | 超伝導フィルタ装置及び無線受信増幅装置 | 
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US1811102A (en) * | 1924-09-10 | 1931-06-23 | Western Electric Co | Signal transmission by guided and unguided waves | 
| US1784176A (en) * | 1929-07-02 | 1930-12-09 | American Telephone & Telegraph | Equalization for carrier systems | 
| US2083666A (en) * | 1933-09-30 | 1937-06-15 | American Telephone & Telegraph | High frequency signaling system | 
| US1972286A (en) * | 1933-10-20 | 1934-09-04 | Beli Telephone Lab Inc | Transmission control in two-way signaling systems | 
| GB436635A (en) * | 1934-03-28 | 1935-10-15 | Siemens Ag | Improvements in the control of attenuation in electric signalling systems | 
| US2037107A (en) * | 1934-12-20 | 1936-04-14 | American Telephone & Telegraph | Transmission gain control | 
| US2102138A (en) * | 1936-02-21 | 1937-12-14 | Bell Telephone Labor Inc | Transmission system | 
| US2105809A (en) * | 1936-08-01 | 1938-01-18 | Wired Radio Inc | Carrier supply system | 
| US2326871A (en) * | 1942-01-28 | 1943-08-17 | Bell Telephone Labor Inc | Gain control | 
- 
        0
        
- BE BE523615D patent/BE523615A/xx unknown
 
 - 
        1939
        
- 1939-01-10 GB GB807/39A patent/GB523615A/en not_active Expired
 - 1939-12-30 FR FR862720D patent/FR862720A/fr not_active Expired
 
 - 
        1946
        
- 1946-12-14 ES ES176101A patent/ES176101A1/es not_active Expired
 
 - 
        1947
        
- 1947-04-24 CH CH269949D patent/CH269949A/de unknown
 - 1947-06-07 US US753352A patent/US2626993A/en not_active Expired - Lifetime
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| BE523615A (enEXAMPLES) | |
| CH269949A (de) | 1950-07-31 | 
| US2626993A (en) | 1953-01-27 | 
| GB523615A (en) | 1940-07-18 | 
| ES176101A1 (es) | 1947-01-16 | 
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