GB2085260B - Synchronizing signal detection protective circuit - Google Patents

Synchronizing signal detection protective circuit

Info

Publication number
GB2085260B
GB2085260B GB8128891A GB8128891A GB2085260B GB 2085260 B GB2085260 B GB 2085260B GB 8128891 A GB8128891 A GB 8128891A GB 8128891 A GB8128891 A GB 8128891A GB 2085260 B GB2085260 B GB 2085260B
Authority
GB
United Kingdom
Prior art keywords
signal detection
synchronizing signal
protective circuit
detection protective
circuit
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
GB8128891A
Other languages
English (en)
Other versions
GB2085260A (en
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB2085260A publication Critical patent/GB2085260A/en
Application granted granted Critical
Publication of GB2085260B publication Critical patent/GB2085260B/en
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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • 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
    • G11B20/20—Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • H04N5/932—Regeneration of analogue synchronisation signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB8128891A 1980-09-26 1981-09-24 Synchronizing signal detection protective circuit Expired GB2085260B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55132927A JPS5760514A (en) 1980-09-26 1980-09-26 Synchronizing signal protection circuit

Publications (2)

Publication Number Publication Date
GB2085260A GB2085260A (en) 1982-04-21
GB2085260B true GB2085260B (en) 1984-08-15

Family

ID=15092750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8128891A Expired GB2085260B (en) 1980-09-26 1981-09-24 Synchronizing signal detection protective circuit

Country Status (5)

Country Link
US (1) US4393419A (enExample)
JP (1) JPS5760514A (enExample)
KR (1) KR850001653B1 (enExample)
DE (1) DE3138247C2 (enExample)
GB (1) GB2085260B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57112188A (en) * 1980-12-29 1982-07-13 Pioneer Video Corp Erasing circuit for high frequency crosstalk in video disc reproducing device
US4616270A (en) * 1983-07-14 1986-10-07 Victor Company Of Japan, Ltd. Synchronizing signal separating circuit for a recording and reproducing apparatus
JPS6329362A (ja) * 1986-07-22 1988-02-08 Hitachi Ltd 映像信号再生装置の時間軸変動補正回路
DE3642636A1 (de) * 1986-12-13 1988-06-23 Bosch Gmbh Robert Verfahren zur erfassung und substitution von synchronworten in pcm-daten und schaltungsanordnung hierfuer
US4851995A (en) * 1987-06-19 1989-07-25 International Business Machines Corporation Programmable variable-cycle clock circuit for skew-tolerant array processor architecture
JP2584309B2 (ja) * 1988-09-07 1997-02-26 三洋電機株式会社 基準信号作成回路
EP0473293B1 (en) * 1990-08-03 1996-09-25 Canon Kabushiki Kaisha Synchronous signal detection circuit and synchronous signal detection apparatus having the same
MY108249A (en) * 1991-12-13 1996-08-30 Thomson Consumer Electronics Inc A detector circuit for use in a vcr
CA2109251A1 (en) * 1993-10-26 1995-04-27 Bryan Bruins Self-adjusting window circuit with timing control
CN1333401C (zh) * 2001-07-06 2007-08-22 Lg电子株式会社 轨道同步音频信号记录方法和装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL258399A (enExample) * 1959-11-30
NL6811420A (enExample) * 1968-08-09 1970-02-11
US4024571A (en) * 1975-08-14 1977-05-17 Rca Corporation Synchronizing system employing burst crossover detection
JPS6052505B2 (ja) * 1977-09-14 1985-11-19 ソニー株式会社 Ｐｃｍ信号復調装置
JPS5532224A (en) * 1978-08-25 1980-03-06 Sony Corp Pcm signal demodulator
JPS5545151A (en) * 1978-09-27 1980-03-29 Hitachi Ltd Detection circuit for vertical synchronizing signal
JPS55107388A (en) * 1979-02-13 1980-08-18 Olympus Optical Co Ltd Synchronizing signal separation system

Also Published As

Publication number Publication date
GB2085260A (en) 1982-04-21
JPS5760514A (en) 1982-04-12
US4393419A (en) 1983-07-12
DE3138247C2 (de) 1987-05-07
JPH0470712B2 (enExample) 1992-11-11
KR850001653B1 (ko) 1985-11-06
DE3138247A1 (de) 1982-05-06

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010923