FR2475339B1 - Appareil et procede d'enregistrement et de reproduction numerique - Google Patents

Appareil et procede d'enregistrement et de reproduction numerique

Info

Publication number
FR2475339B1
FR2475339B1 FR8101859A FR8101859A FR2475339B1 FR 2475339 B1 FR2475339 B1 FR 2475339B1 FR 8101859 A FR8101859 A FR 8101859A FR 8101859 A FR8101859 A FR 8101859A FR 2475339 B1 FR2475339 B1 FR 2475339B1
Authority
FR
France
Prior art keywords
reproduction
digital recording
recording
digital
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
Application number
FR8101859A
Other languages
English (en)
Other versions
FR2475339A1 (fr
Inventor
Maurice G Lemoine
Leonard A Pasdera
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Publication of FR2475339A1 publication Critical patent/FR2475339A1/fr
Application granted granted Critical
Publication of FR2475339B1 publication Critical patent/FR2475339B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • 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
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/935—Regeneration of digital synchronisation signals
    • 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
    • H04N9/808—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the composite colour video-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
    • H04N9/8722—Regeneration of a colour reference signal, e.g. the colour synchronisaton burst signal, the chrominance signal carrier
    • 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
    • H04N9/877—Regeneration of colour television signals by assembling picture element blocks in an intermediate memory
FR8101859A 1980-02-01 1981-01-30 Appareil et procede d'enregistrement et de reproduction numerique Expired FR2475339B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06117428 US4392159B1 (en) 1980-02-01 1980-02-01 Method and apparatus for video signal processing

Publications (2)

Publication Number Publication Date
FR2475339A1 FR2475339A1 (fr) 1981-08-07
FR2475339B1 true FR2475339B1 (fr) 1988-08-05

Family

ID=22372884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101859A Expired FR2475339B1 (fr) 1980-02-01 1981-01-30 Appareil et procede d'enregistrement et de reproduction numerique

Country Status (8)

Country Link
US (1) US4392159B1 (fr)
JP (1) JPS56128079A (fr)
CA (1) CA1186408A (fr)
DE (1) DE3102996C2 (fr)
FR (1) FR2475339B1 (fr)
GB (4) GB2068675B (fr)
IT (1) IT1170670B (fr)
NL (1) NL8100453A (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2105953B (en) * 1981-08-14 1985-05-22 Sony Corp Methods of and apparatus for coding television signals
US4608690A (en) * 1982-11-26 1986-08-26 Tektronix, Inc. Detecting improper operation of a digital data processing apparatus
JPS59111484A (ja) * 1982-12-17 1984-06-27 Sony Corp 映像信号の記録装置
US4755889A (en) * 1983-04-19 1988-07-05 Compusonics Video Corporation Audio and video digital recording and playback system
US4682248A (en) * 1983-04-19 1987-07-21 Compusonics Video Corporation Audio and video digital recording and playback system
DE3402796A1 (de) * 1984-01-27 1985-08-01 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur digitalen verarbeitung von videosignalen
US4751575A (en) * 1985-09-18 1988-06-14 Robert Bosch Gmbh Method of timing sampling frequency pulses for digitizing and storing color television signals reproduced from magnetic tape
US5124806A (en) * 1985-09-21 1992-06-23 Robert Bosch Gmbh Digital pulse generator phase-locked to color television video signals and means and method for thereby compensating for tape velocity timing errors
JPH0732479B2 (ja) * 1985-09-25 1995-04-10 株式会社東芝 画像メモリ制御装置
DE3535311A1 (de) * 1985-10-03 1987-04-09 Bosch Gmbh Robert Verfahren zur gewinnung eines abtasttaktes
US5010419A (en) * 1986-12-04 1991-04-23 James C. Wickstead Apparatus for storing video signals on audio cassette
US4875107A (en) * 1986-12-04 1989-10-17 James C. Wickstead Camcorder
JPS63309089A (ja) * 1987-06-11 1988-12-16 Sony Corp Ｓｅｃａｍ方式のカラ−映像信号のデジタル記録再生方法
JP2692281B2 (ja) * 1989-07-31 1997-12-17 ソニー株式会社 データ処理装置
US5227863A (en) * 1989-11-14 1993-07-13 Intelligent Resources Integrated Systems, Inc. Programmable digital video processing system
US5363264A (en) * 1990-04-25 1994-11-08 The United States Of America As Represented By The Secretary Of The Navy Versatile digital recording system for recording high resolution video imagery
US5036293A (en) * 1990-10-19 1991-07-30 Rca Licensing Corporation Oscillator for use with video signal time scaling apparatus
GB2262405A (en) * 1991-12-09 1993-06-16 Sony Broadcast & Communication Transmitting video signals with reduced horizontal and vertical blanking periods
DE4319389C3 (de) * 1992-06-09 1999-11-25 Mitsubishi Electric Corp Anordnung zum Einfügen einer Frequenzkomponente zu eingegebenen n-Bit-Daten
KR950011664B1 (ko) * 1993-07-28 1995-10-07 삼성전자주식회사 영상 재생 시스템의 재생 에러 보정회로
JP3172363B2 (ja) * 1994-05-31 2001-06-04 三洋電機株式会社 信号処理装置
US6008858A (en) * 1996-12-06 1999-12-28 Ati Technologies, Inc Video timing generation
US7356051B2 (en) * 2001-01-24 2008-04-08 Broadcom Corporation Digital visual interface with audio and auxiliary data cross reference to related applications
US8031169B2 (en) * 2003-12-17 2011-10-04 Riip, Inc. Automated system and method for high-frequency signal attenuation compensation
JP4763049B2 (ja) * 2006-05-24 2011-08-31 シャープ株式会社 カウンタ回路を備える制御信号生成回路ならびに表示装置
US9842617B1 (en) * 2015-06-29 2017-12-12 Western Digital Technologies, Inc. Electronic system with head management mechanism and method of operation thereof
US20230124622A1 (en) * 2021-10-14 2023-04-20 Arm Limited Alarm Systems and Circuits

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108261A (en) * 1960-04-11 1963-10-22 Ampex Recording and/or reproducing system
US3497634A (en) * 1967-03-17 1970-02-24 Ampex Wideband instrumentation rotary head system using redundant recording and reproducing
JPS5147284B1 (fr) * 1971-07-29 1976-12-14
DE2237255B2 (de) * 1971-07-31 1975-10-09 K.K. Ricoh, Tokio Verfahren und Einrichtung zum Verarbeiten von Videosignalen
JPS5520283B2 (fr) * 1972-07-05 1980-06-02
GB1445337A (en) * 1972-08-24 1976-08-11 Independent Broadcastin Author Television systems
JPS5122412A (en) * 1974-08-16 1976-02-23 Matsushita Electric Ind Co Ltd Koteihetsudo vtr kirokusaiseisochi
JPS5754849B2 (fr) * 1974-11-15 1982-11-20
JPS5170615A (fr) * 1974-12-16 1976-06-18 Hitachi Ltd
DE2602420A1 (de) * 1976-01-23 1977-07-28 Basf Ag Farbvideo-aufzeichnungs-/wiedergabesystem
US4027335A (en) * 1976-03-19 1977-05-31 Ampex Corporation DC free encoding for data transmission system
US4104683A (en) * 1976-03-24 1978-08-01 Eastman Kodak Company Video recording apparatus
US4146099A (en) * 1976-08-17 1979-03-27 Christopher Scientific Company Signal recording method and apparatus
GB1595773A (en) * 1976-10-29 1981-08-19 Ampex Method and apparatus for inserting synchronizing words in a digitalized television signal data stream
US4122477A (en) * 1977-01-28 1978-10-24 Ampex Corporation Method and apparatus for inserting synchronizing words in a digitalized television signal data stream
GB1595774A (en) * 1976-10-29 1981-08-19 Ampex Precision phase controlled clock for sampling television signals
GB1595772A (en) * 1976-10-29 1981-08-19 Ampex Digital time base compensator for correcting timing errors in a stream of digital data
US4119999A (en) * 1977-01-28 1978-10-10 Ampex Corporation Apparatus for inserting a digital sync word, phase-synchronized to the color subcarrier, in place of the horizontal sync signal
GB1595779A (en) * 1976-10-29 1981-08-19 Ampex Apparatus for inserting a digital syno-word phase-synchronized to the colour subcarrier in place of the horizontal sync signal
GB1599156A (en) * 1976-12-24 1981-09-30 Indep Broadcasting Authority Recording digital signals
GB1599155A (en) * 1976-12-24 1981-09-30 Indep Broadcasting Authority Transmission and/or recording of digital signals
US4158855A (en) * 1977-11-29 1979-06-19 Rca Corporation Dropout compensator with proportional duration dropout detector

Also Published As

Publication number Publication date
IT8147673A0 (it) 1981-01-30
DE3102996C2 (de) 1985-03-21
FR2475339A1 (fr) 1981-08-07
GB2068675B (en) 1984-11-14
US4392159B1 (en) 1997-12-09
GB2136162A (en) 1984-09-12
GB8333764D0 (en) 1984-01-25
GB2068675A (en) 1981-08-12
JPH0522435B2 (fr) 1993-03-29
IT1170670B (it) 1987-06-03
IT8147673A1 (it) 1982-07-30
GB2135154B (en) 1985-02-20
GB2135154A (en) 1984-08-22
GB2139833A (en) 1984-11-14
GB2139833B (en) 1985-05-01
NL8100453A (nl) 1981-09-01
GB8333765D0 (en) 1984-01-25
US4392159A (en) 1983-07-05
DE3102996A1 (de) 1981-12-24
JPS56128079A (en) 1981-10-07
CA1186408A (fr) 1985-04-30
GB8333766D0 (en) 1984-01-25
GB2136162B (en) 1985-02-20

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Legal Events

Date Code Title Description
ST Notification of lapse