BE523615A - - Google Patents
Info
- Publication number
- BE523615A BE523615A BE523615DA BE523615A BE 523615 A BE523615 A BE 523615A BE 523615D A BE523615D A BE 523615DA BE 523615 A BE523615 A BE 523615A
- Authority
- BE
- Belgium
Links
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 |
|---|---|
| BE523615A true BE523615A (US07122603-20061017-C00294.png) |
Family
ID=10252462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE523615D BE523615A (US07122603-20061017-C00294.png) | 1939-01-10 |
Country Status (6)
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 |
| WO2002067446A1 (fr) * | 2001-02-22 | 2002-08-29 | Fujitsu Limited | Dispositif de filtrage supraconducteur et amplificateur de recepteur sans fil |
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 |
|---|---|
| CH269949A (de) | 1950-07-31 |
| FR862720A (fr) | 1941-03-13 |
| ES176101A1 (es) | 1947-01-16 |
| US2626993A (en) | 1953-01-27 |
| GB523615A (en) | 1940-07-18 |
