FR2374804A1 - Appareil d'elimination des erreurs de base de temps dans un signal d'informations - Google Patents
Appareil d'elimination des erreurs de base de temps dans un signal d'informationsInfo
- Publication number
- FR2374804A1 FR2374804A1 FR7738324A FR7738324A FR2374804A1 FR 2374804 A1 FR2374804 A1 FR 2374804A1 FR 7738324 A FR7738324 A FR 7738324A FR 7738324 A FR7738324 A FR 7738324A FR 2374804 A1 FR2374804 A1 FR 2374804A1
- Authority
- FR
- France
- Prior art keywords
- information signal
- elimination apparatus
- error elimination
- time basic
- basic error
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
- H04N9/84—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
L'invention concerne un appareil d'élimination des erreurs de base de temps dans un signal d'informations reproduit. Il comporte un circuit de commande automatique de fréquence et un circuit de commande automatique de phase qui interviennent tour à tour pour corriger respectivement les erreurs importantes et les petites erreurs. L'invention s'applique notamment aux enregistreurs d'images de télévision en couleur sur bande magnétique.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15274976A JPS5376620A (en) | 1976-12-17 | 1976-12-17 | Processing circuit for color video signal |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2374804A1 true FR2374804A1 (fr) | 1978-07-13 |
FR2374804B1 FR2374804B1 (fr) | 1983-01-21 |
Family
ID=15547314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7738324A Granted FR2374804A1 (fr) | 1976-12-17 | 1977-12-19 | Appareil d'elimination des erreurs de base de temps dans un signal d'informations |
Country Status (7)
Country | Link |
---|---|
US (1) | US4157565A (fr) |
JP (1) | JPS5376620A (fr) |
CA (1) | CA1099398A (fr) |
DE (1) | DE2755748A1 (fr) |
FR (1) | FR2374804A1 (fr) |
GB (1) | GB1570648A (fr) |
NL (1) | NL7713866A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454240A1 (fr) * | 1979-04-09 | 1980-11-07 | Ampex | Correcteur de couleurs pour signal video couleurs composite |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5469018A (en) * | 1977-11-11 | 1979-06-02 | Sony Corp | Color demodulator circuit |
US4286282A (en) * | 1979-08-20 | 1981-08-25 | Rca Corporation | Periodically biased video disc player servo system |
US4370680A (en) * | 1981-02-25 | 1983-01-25 | Tokyo Shibaura Denki Kabushiki Kaisha | Color signal processing device for video recorder |
JPS61191688U (fr) * | 1985-05-20 | 1986-11-28 | ||
JPH0748873B2 (ja) * | 1987-09-21 | 1995-05-24 | 株式会社日立製作所 | 磁気記録再生装置 |
KR100201244B1 (ko) * | 1989-10-03 | 1999-06-15 | 다카노 야스아키 | 크로마 신호의 지터 제거 회로 및 이를 이용한 텔레비젼 수상기 |
US5774188A (en) * | 1995-06-21 | 1998-06-30 | Sony Corporation | Black and white video signal detector for detecting the absence of a burst signal from a video signal |
US5926063A (en) * | 1997-05-08 | 1999-07-20 | Sony Corporation | Method of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pin |
US8638889B2 (en) * | 2010-10-28 | 2014-01-28 | Broadcom Corporation | Method and apparatus to improve acquisition of a quadrature amplitude modulated (QAM) signal having a frequency offset |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3723638A (en) * | 1969-02-21 | 1973-03-27 | Victor Co Ltd | Color video signal recording and reproducing system |
US3804974A (en) * | 1970-12-28 | 1974-04-16 | Tokyo Shibaura Electric Co | Apparatus for recording and reproducing color video signals |
US3918085A (en) * | 1974-01-12 | 1975-11-04 | Sony Corp | Magnetic recording and/or reproducing apparatus |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1774082C3 (de) * | 1968-04-03 | 1978-05-11 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zum Ausgleich von Zeitfehlern bei Farbfernsehsignalen, die von einem vorzugsweise bandförmigen Magnetspeicher abgenommen werden |
GB1267251A (fr) * | 1968-04-23 | 1972-03-15 | ||
US3528026A (en) * | 1968-05-01 | 1970-09-08 | Hughes Aircraft Co | Coarse-fine phase locked loop |
JPS5119942B1 (fr) * | 1971-03-04 | 1976-06-21 | ||
US3833926A (en) * | 1972-11-10 | 1974-09-03 | Arvin Ind Inc | Magnetic disc recorder and cassette with compliant recording disc having flexible support means |
US3947893A (en) * | 1972-11-10 | 1976-03-30 | Arvin Industries, Inc. | Recording cassette including compliant magnetic recording disc having flexible support means |
US3845502A (en) * | 1973-02-22 | 1974-10-29 | Arvin Ind Inc | Cassette locating system |
JPS5739598B2 (fr) * | 1974-04-23 | 1982-08-21 | ||
JPS5430848B2 (fr) * | 1975-02-20 | 1979-10-03 | ||
US4060839A (en) * | 1976-01-07 | 1977-11-29 | Texas Instruments Incorporated | Flexible information storage disc |
US4063295A (en) * | 1976-01-07 | 1977-12-13 | Texas Instruments Incorporated | Flexible magnetic disc recording technique |
US4069462A (en) * | 1976-12-13 | 1978-01-17 | Data General Corporation | Phase-locked loops |
-
1976
- 1976-12-17 JP JP15274976A patent/JPS5376620A/ja active Granted
-
1977
- 1977-12-09 CA CA292,749A patent/CA1099398A/fr not_active Expired
- 1977-12-13 GB GB51876/77A patent/GB1570648A/en not_active Expired
- 1977-12-14 DE DE19772755748 patent/DE2755748A1/de active Granted
- 1977-12-14 NL NL7713866A patent/NL7713866A/xx active Search and Examination
- 1977-12-19 US US05/862,054 patent/US4157565A/en not_active Expired - Lifetime
- 1977-12-19 FR FR7738324A patent/FR2374804A1/fr active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3723638A (en) * | 1969-02-21 | 1973-03-27 | Victor Co Ltd | Color video signal recording and reproducing system |
US3804974A (en) * | 1970-12-28 | 1974-04-16 | Tokyo Shibaura Electric Co | Apparatus for recording and reproducing color video signals |
US3918085A (en) * | 1974-01-12 | 1975-11-04 | Sony Corp | Magnetic recording and/or reproducing apparatus |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454240A1 (fr) * | 1979-04-09 | 1980-11-07 | Ampex | Correcteur de couleurs pour signal video couleurs composite |
Also Published As
Publication number | Publication date |
---|---|
JPS5625073B2 (fr) | 1981-06-10 |
JPS5376620A (en) | 1978-07-07 |
US4157565A (en) | 1979-06-05 |
GB1570648A (en) | 1980-07-02 |
FR2374804B1 (fr) | 1983-01-21 |
DE2755748A1 (de) | 1978-07-06 |
DE2755748C2 (fr) | 1987-05-27 |
NL7713866A (nl) | 1978-06-20 |
CA1099398A (fr) | 1981-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |