GB1509958A - Control circuit for controlling the resting frequency of a frequency-modulated colour television sub-carrier - Google Patents
Control circuit for controlling the resting frequency of a frequency-modulated colour television sub-carrierInfo
- Publication number
- GB1509958A GB1509958A GB3562275A GB3562275A GB1509958A GB 1509958 A GB1509958 A GB 1509958A GB 3562275 A GB3562275 A GB 3562275A GB 3562275 A GB3562275 A GB 3562275A GB 1509958 A GB1509958 A GB 1509958A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- oscillator
- during
- resting
- frequencies
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
- H04N11/183—Encoding means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7429725A FR2283611A1 (fr) | 1974-08-30 | 1974-08-30 | Dispositif d'asservissement de la frequence de repos d'une sous-porteuse de television en couleur et codeurs correspondants pour le systeme secam |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1509958A true GB1509958A (en) | 1978-05-10 |
Family
ID=9142706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3562275A Expired GB1509958A (en) | 1974-08-30 | 1975-08-28 | Control circuit for controlling the resting frequency of a frequency-modulated colour television sub-carrier |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2538355C2 (de) |
FR (1) | FR2283611A1 (de) |
GB (1) | GB1509958A (de) |
SU (1) | SU645626A3 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2048610B (en) * | 1979-04-05 | 1983-04-27 | Rca Corp | Automatic limit control for secam encoder |
GB2050105B (en) * | 1979-04-05 | 1983-06-15 | Rca Corp | Automatic chroma gain control circuit for secam coder |
US4287530A (en) * | 1980-05-09 | 1981-09-01 | Motorola Inc. | Demodulator system including a tunable discriminator suitable for use in a secam television receiver |
NL8201188A (nl) * | 1982-03-23 | 1983-10-17 | Philips Nv | Kodeerschakeling voor een secam-kleurentelevisie-overdracht. |
FR2544946B1 (fr) * | 1983-04-20 | 1987-02-13 | Matra | Oscillateur module en frequence et codeur de television incorporant un tel oscillateur |
FR2550404B2 (fr) * | 1983-06-01 | 1989-01-06 | Cgv Comp Gen Videotech | Systeme codeur couleur secam pour application grand public |
DE3831240A1 (de) * | 1988-09-14 | 1990-03-22 | Thomson Brandt Gmbh | Demodulator fuer frequenzmodulierte bildsignale |
-
1974
- 1974-08-30 FR FR7429725A patent/FR2283611A1/fr active Granted
-
1975
- 1975-08-28 DE DE19752538355 patent/DE2538355C2/de not_active Expired
- 1975-08-28 GB GB3562275A patent/GB1509958A/en not_active Expired
- 1975-08-29 SU SU752168208A patent/SU645626A3/ru active
Also Published As
Publication number | Publication date |
---|---|
FR2283611B1 (de) | 1981-05-29 |
FR2283611A1 (fr) | 1976-03-26 |
SU645626A3 (ru) | 1979-01-30 |
DE2538355C2 (de) | 1982-07-15 |
DE2538355A1 (de) | 1976-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |