BE798654A - Amplificateur de video-frequence pouvant fonctionner dans l'un ou l'autre de deux etats de polarisation - Google Patents
Amplificateur de video-frequence pouvant fonctionner dans l'un ou l'autre de deux etats de polarisationInfo
- Publication number
- BE798654A BE798654A BE130370A BE130370A BE798654A BE 798654 A BE798654 A BE 798654A BE 130370 A BE130370 A BE 130370A BE 130370 A BE130370 A BE 130370A BE 798654 A BE798654 A BE 798654A
- Authority
- BE
- Belgium
- Prior art keywords
- operate
- frequency amplifier
- video frequency
- polarization states
- polarization
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Picture Signal Circuits (AREA)
- Details Of Television Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1902172A GB1425558A (en) | 1972-04-24 | 1972-04-24 | Video frequency amplifier operable in either of two bias conditions |
US27353472A | 1972-07-20 | 1972-07-20 | |
US05/398,853 US3936597A (en) | 1972-04-24 | 1973-09-19 | Video frequency amplifier operable in either of two bias conditions |
Publications (1)
Publication Number | Publication Date |
---|---|
BE798654A true BE798654A (fr) | 1973-08-16 |
Family
ID=27257695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE130370A BE798654A (fr) | 1972-04-24 | 1973-04-24 | Amplificateur de video-frequence pouvant fonctionner dans l'un ou l'autre de deux etats de polarisation |
Country Status (8)
Country | Link |
---|---|
US (1) | US3936597A (xx) |
BE (1) | BE798654A (xx) |
CA (1) | CA992194A (xx) |
DE (1) | DE2320638C3 (xx) |
FR (1) | FR2182036B1 (xx) |
GB (1) | GB1425558A (xx) |
NL (1) | NL7305710A (xx) |
SE (1) | SE379616B (xx) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2629010A (en) * | 1949-12-30 | 1953-02-17 | Bell Telephone Labor Inc | Television system having reduced transmission bandwidth |
US2813148A (en) * | 1954-01-05 | 1957-11-12 | Rca Corp | Television apparatus |
US3204026A (en) * | 1962-04-30 | 1965-08-31 | William J Casey | Narrow bandwidth scanning system |
ES372211A1 (es) * | 1968-10-11 | 1972-02-16 | Rca Corp | Un amplificador de banda ancha. |
-
1972
- 1972-04-24 GB GB1902172A patent/GB1425558A/en not_active Expired
-
1973
- 1973-04-24 NL NL7305710A patent/NL7305710A/xx unknown
- 1973-04-24 DE DE2320638A patent/DE2320638C3/de not_active Expired
- 1973-04-24 FR FR7314865A patent/FR2182036B1/fr not_active Expired
- 1973-04-24 SE SE7305719A patent/SE379616B/xx unknown
- 1973-04-24 CA CA169,401A patent/CA992194A/en not_active Expired
- 1973-04-24 BE BE130370A patent/BE798654A/xx unknown
- 1973-09-19 US US05/398,853 patent/US3936597A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL7305710A (xx) | 1973-10-26 |
FR2182036A1 (xx) | 1973-12-07 |
GB1425558A (en) | 1976-02-18 |
DE2320638A1 (de) | 1973-11-15 |
US3936597A (en) | 1976-02-03 |
SE379616B (xx) | 1975-10-13 |
DE2320638B2 (de) | 1974-10-10 |
AU5490573A (en) | 1974-10-31 |
CA992194A (en) | 1976-06-29 |
FR2182036B1 (xx) | 1978-06-23 |
DE2320638C3 (de) | 1975-05-22 |
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