FR2406279A1 - Dispositif de commande d'erreur de vitesse - Google Patents
Dispositif de commande d'erreur de vitesseInfo
- Publication number
- FR2406279A1 FR2406279A1 FR7816283A FR7816283A FR2406279A1 FR 2406279 A1 FR2406279 A1 FR 2406279A1 FR 7816283 A FR7816283 A FR 7816283A FR 7816283 A FR7816283 A FR 7816283A FR 2406279 A1 FR2406279 A1 FR 2406279A1
- Authority
- FR
- France
- Prior art keywords
- control device
- error
- speed error
- synchronization
- error control
- 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
- H04N9/87—Regeneration of colour television signals
- H04N9/89—Time-base error compensation
- H04N9/896—Time-base error compensation using a digital memory with independent write-in and read-out clock generators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/921—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by recording or reproducing the baseband signal
-
- 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
- H04N9/87—Regeneration of colour television signals
- H04N9/88—Signal drop-out compensation
- H04N9/882—Signal drop-out compensation the signal being a composite colour television signal
- H04N9/885—Signal drop-out compensation the signal being a composite colour television signal using a digital intermediate memory
Abstract
L'invention concerne un dispositif de commande d'erreur de vitesse associé au correcteur d'erreur de base de temps d'un magnétoscope. Il comprend un étage d'entrée 6, un compensateur d'évanouissement 8, une mémoire principale 9, des convertisseurs A-N 7 et N-A 10, un étage de sortie 11, un séparateur de synchronisation 12, un générateur 13 de signaux d'horloge d'écriture, un générateur 15 de signaux d'horloge de lecture, un générateur 16 de signaux de synchronisation et une unité de commande 19. Il apporte une correction d'erreur plus fine et couvre les cas où les signaux de synchronisation sont erronés.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6372777A JPS53148317A (en) | 1977-05-31 | 1977-05-31 | Error correction unit for time axis |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2406279A1 true FR2406279A1 (fr) | 1979-05-11 |
FR2406279B1 FR2406279B1 (fr) | 1987-07-31 |
Family
ID=13237713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7816283A Expired FR2406279B1 (fr) | 1977-05-31 | 1978-05-31 | Dispositif de commande d'erreur de vitesse |
Country Status (10)
Country | Link |
---|---|
US (1) | US4165524A (fr) |
JP (1) | JPS53148317A (fr) |
AT (1) | AT370936B (fr) |
AU (1) | AU514584B2 (fr) |
CA (1) | CA1112759A (fr) |
DE (1) | DE2823813A1 (fr) |
FR (1) | FR2406279B1 (fr) |
GB (1) | GB1591014A (fr) |
IT (1) | IT1096601B (fr) |
NL (1) | NL7805933A (fr) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54143017A (en) * | 1978-04-28 | 1979-11-07 | Sony Corp | Time base error correction unit |
US4389678A (en) * | 1979-10-05 | 1983-06-21 | Nippon Electric Co., Ltd. | Digital time-base corrector for special motion reproduction by helical-scan VTR |
US4321619A (en) * | 1979-10-24 | 1982-03-23 | Ampex Corporation | Second order velocity error correction for time base correctors |
JPS56131272A (en) * | 1980-03-18 | 1981-10-14 | Sony Corp | Time-axis correcting device |
JPS57106285A (en) * | 1980-12-22 | 1982-07-02 | Sony Corp | Time base collector |
JPS57170688A (en) * | 1981-04-14 | 1982-10-20 | Sony Corp | Jitter compensation circuit |
US4481616A (en) * | 1981-09-30 | 1984-11-06 | Rca Corporation | Scanning capacitance microscope |
DE3485007D1 (de) * | 1983-10-14 | 1991-10-10 | Hitachi Ltd | Verfahren und geraet fuer die abtastung und verarbeitung eines videosignals. |
JPS60205867A (ja) * | 1984-03-30 | 1985-10-17 | Pioneer Electronic Corp | 再生装置 |
JP2544323B2 (ja) * | 1984-05-26 | 1996-10-16 | ソニー株式会社 | 再生映像信号補正回路 |
JPS6169287A (ja) * | 1984-09-12 | 1986-04-09 | Sony Corp | 時間軸補正装置 |
US4688081A (en) * | 1985-01-25 | 1987-08-18 | Hitachi, Ltd. | Apparatus for correcting time base error of video signal |
JPH0732493B2 (ja) * | 1985-02-13 | 1995-04-10 | ソニー株式会社 | 速度誤差の補正装置 |
JPS61189094A (ja) * | 1985-02-16 | 1986-08-22 | Sony Corp | 読出スタ−トパルス発生回路 |
US4802026A (en) * | 1985-08-19 | 1989-01-31 | Sony Corporation | Velocity error correcting circuit for time base error corrector |
DE3533703A1 (de) * | 1985-09-21 | 1987-03-26 | Bosch Gmbh Robert | Videosignalprozessor |
US4769720A (en) * | 1985-09-21 | 1988-09-06 | Robert Bosch Gmbh | Processor for video signals obtained from an information carrier such as a magnetic tape |
US4675724A (en) * | 1985-09-27 | 1987-06-23 | Ampex Corporation | Video signal phase and frequency correction using a digital off-tape clock generator |
DE3689439T2 (de) * | 1985-10-07 | 1994-07-14 | Yamaha Corp | Synchronisationsschaltung für eine Videoplattenwiedergabevorrichtung. |
US5019906A (en) * | 1985-10-17 | 1991-05-28 | Ampex Corporation | Time base corrector memory arrangement and memory control |
US4907070A (en) * | 1985-10-17 | 1990-03-06 | Ampex Corporation | Time base corrector with memory mapped system control |
CA1303215C (fr) * | 1985-10-17 | 1992-06-09 | Jan S. Wesolowski | Correcteur de base de temps a commande de systeme mappee en memoire |
JPH0744679B2 (ja) * | 1985-11-08 | 1995-05-15 | 松下電器産業株式会社 | 時間軸誤差補正装置 |
JPH0744680B2 (ja) * | 1986-01-14 | 1995-05-15 | 松下電器産業株式会社 | 時間軸誤差補正装置 |
JPH06101860B2 (ja) * | 1986-04-11 | 1994-12-12 | ソニー株式会社 | 時間軸補正装置 |
JPH07105936B2 (ja) * | 1987-03-16 | 1995-11-13 | パイオニア株式会社 | 読取信号の時間軸制御装置 |
US4977462A (en) * | 1987-03-24 | 1990-12-11 | Sony Corporation | Apparatus for correcting a time base error in a video signal |
US4989073A (en) * | 1987-11-25 | 1991-01-29 | Ampex Corporation | System for compensating timing errors during sampling of signals |
JPH0447783A (ja) * | 1990-06-14 | 1992-02-17 | Matsushita Electric Ind Co Ltd | 時間軸誤差補正装置 |
JPH04142190A (ja) * | 1990-10-03 | 1992-05-15 | Hitachi Ltd | 映像信号処理装置 |
JPH05130568A (ja) * | 1991-11-01 | 1993-05-25 | Sony Corp | ビデオ信号処理装置 |
JP2882433B2 (ja) * | 1992-03-31 | 1999-04-12 | 日本ビクター株式会社 | 映像信号時間軸補正回路 |
US6469741B2 (en) | 1993-07-26 | 2002-10-22 | Pixel Instruments Corp. | Apparatus and method for processing television signals |
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 |
US5844621A (en) * | 1995-06-21 | 1998-12-01 | Sony Corporation | Burst gate pulse generator |
US5844622A (en) * | 1995-12-12 | 1998-12-01 | Trw Inc. | Digital video horizontal synchronization pulse detector and processor |
JP2861901B2 (ja) * | 1995-12-25 | 1999-02-24 | 日本電気株式会社 | クロック位相同期回路 |
US6275468B1 (en) * | 1996-07-31 | 2001-08-14 | Motorola, Inc. | Automatic timing adjustment for diverse routing of HFC systems |
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 |
US6043850A (en) * | 1997-05-08 | 2000-03-28 | Sony Corporation | Burst gate pulse generator circuit |
CN106331767B (zh) * | 2016-09-09 | 2020-03-17 | 腾讯科技(深圳)有限公司 | 一种数据纠错处理方法、终端、服务器及系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3761605A (en) * | 1971-10-08 | 1973-09-25 | Nippon Electric Co | Phase error correction system for a video tape recorder |
FR2317838A1 (fr) * | 1975-07-11 | 1977-02-04 | Sony Corp | Correcteur de base de temps de signaux d'image |
FR2340006A1 (fr) * | 1976-01-28 | 1977-08-26 | Quantel Ltd | Correcteurs de base de temps |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3994013A (en) * | 1975-03-03 | 1976-11-23 | Ampex Corporation | Last line velocity compensation |
US4053926A (en) * | 1975-03-03 | 1977-10-11 | Ampex Corporation | Timing error compensator |
US4054921A (en) * | 1975-05-19 | 1977-10-18 | Sony Corporation | Automatic time-base error correction system |
JPS51147121A (en) * | 1975-06-12 | 1976-12-17 | Sony Corp | Clock pulse generator |
US4054903A (en) * | 1975-07-11 | 1977-10-18 | Sony Corporation | Video time base corrector |
GB1571124A (en) * | 1976-02-19 | 1980-07-09 | Quantel Ltd | Video synchroniser or time base corrector with velocity compensation |
-
1977
- 1977-05-31 JP JP6372777A patent/JPS53148317A/ja active Granted
-
1978
- 1978-05-29 CA CA304,313A patent/CA1112759A/fr not_active Expired
- 1978-05-31 NL NL7805933A patent/NL7805933A/xx not_active Application Discontinuation
- 1978-05-31 FR FR7816283A patent/FR2406279B1/fr not_active Expired
- 1978-05-31 DE DE19782823813 patent/DE2823813A1/de active Granted
- 1978-05-31 GB GB24856/78A patent/GB1591014A/en not_active Expired
- 1978-05-31 AT AT0396778A patent/AT370936B/de not_active IP Right Cessation
- 1978-05-31 IT IT24074/78A patent/IT1096601B/it active
- 1978-05-31 AU AU36701/78A patent/AU514584B2/en not_active Expired
- 1978-05-31 US US05/911,286 patent/US4165524A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3761605A (en) * | 1971-10-08 | 1973-09-25 | Nippon Electric Co | Phase error correction system for a video tape recorder |
FR2317838A1 (fr) * | 1975-07-11 | 1977-02-04 | Sony Corp | Correcteur de base de temps de signaux d'image |
FR2340006A1 (fr) * | 1976-01-28 | 1977-08-26 | Quantel Ltd | Correcteurs de base de temps |
Also Published As
Publication number | Publication date |
---|---|
GB1591014A (en) | 1981-06-10 |
AT370936B (de) | 1983-05-10 |
NL7805933A (nl) | 1978-12-04 |
JPS53148317A (en) | 1978-12-23 |
AU3670178A (en) | 1979-12-06 |
DE2823813C2 (fr) | 1988-04-14 |
US4165524A (en) | 1979-08-21 |
IT7824074A0 (it) | 1978-05-31 |
FR2406279B1 (fr) | 1987-07-31 |
IT1096601B (it) | 1985-08-26 |
DE2823813A1 (de) | 1979-01-25 |
AU514584B2 (en) | 1981-02-19 |
CA1112759A (fr) | 1981-11-17 |
JPS6150432B2 (fr) | 1986-11-04 |
ATA396778A (de) | 1982-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |