DE3135593C2 - - Google Patents

Info

Publication number
DE3135593C2
DE3135593C2 DE3135593A DE3135593A DE3135593C2 DE 3135593 C2 DE3135593 C2 DE 3135593C2 DE 3135593 A DE3135593 A DE 3135593A DE 3135593 A DE3135593 A DE 3135593A DE 3135593 C2 DE3135593 C2 DE 3135593C2
Authority
DE
Germany
Prior art keywords
signal
circuit
output
gate
pulse signal
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
DE3135593A
Other languages
German (de)
English (en)
Other versions
DE3135593A1 (de
Inventor
Hiroyuki Isehara Kanagawa Jp Sugiyama
Ryozo Abe
Masaki Yokohama Kanagawa Jp Sakurai
Kenji Chiba Jp Yoshihara
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3135593A1 publication Critical patent/DE3135593A1/de
Application granted granted Critical
Publication of DE3135593C2 publication Critical patent/DE3135593C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Television Signal Processing For Recording (AREA)
  • Control Of Position Or Direction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Manipulation Of Pulses (AREA)
DE19813135593 1980-09-09 1981-09-09 "schaltungsanordnung zum erfassen eines periodischen signals in einem wiedergabegeraet" Granted DE3135593A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55125108A JPS5750021A (en) 1980-09-09 1980-09-09 Periodic signal detector

Publications (2)

Publication Number Publication Date
DE3135593A1 DE3135593A1 (de) 1982-05-06
DE3135593C2 true DE3135593C2 (OSRAM) 1987-07-09

Family

ID=14902040

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813135593 Granted DE3135593A1 (de) 1980-09-09 1981-09-09 "schaltungsanordnung zum erfassen eines periodischen signals in einem wiedergabegeraet"

Country Status (5)

Country Link
US (1) US4428003A (OSRAM)
JP (1) JPS5750021A (OSRAM)
DE (1) DE3135593A1 (OSRAM)
FR (1) FR2489996B1 (OSRAM)
GB (1) GB2086160B (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753880A (en) * 1980-09-12 1982-03-31 Victor Co Of Japan Ltd Detector of periodic signal
JPS5853281A (ja) * 1981-09-26 1983-03-29 Victor Co Of Japan Ltd 円盤状情報記録媒体再生装置
JPS59112361U (ja) * 1983-01-14 1984-07-28 日本ビクター株式会社 回転記録媒体の再生装置
DE3541306C1 (de) * 1985-11-22 1986-08-28 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen Videorecorder
GB2191068A (en) * 1986-05-28 1987-12-02 Marconi Instruments Ltd Electrical apparatus for extracting clock signals
US5061994A (en) * 1987-11-25 1991-10-29 Olympus Optical Co., Ltd. Endoscope device using a display and recording system with means for monitoring the status of the recording medium
GB2257868B (en) * 1991-07-16 1995-04-12 Asahi Optical Co Ltd Still video device
JP3306938B2 (ja) * 1992-11-25 2002-07-24 ソニー株式会社 同期符号抽出回路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891794A (en) * 1966-09-01 1975-06-24 Battelle Development Corp Method and apparatus for synchronizing photographic records of digital information
US3887941A (en) * 1972-09-01 1975-06-03 Int Video Corp Synchronizing pulse processor for a video tape recorder
US4321621A (en) 1976-04-08 1982-03-23 Victor Company Of Japan, Ltd. High density recording system using side-by-side information and servo tracks
CA1130456A (en) 1976-04-08 1982-08-24 Hisao Kinjo Information signal recording system
US4315283A (en) 1976-04-08 1982-02-09 Victor Company Of Japan, Ltd. High density recording system using side-by-side information and servo tracks
JPS5498517A (en) * 1978-01-20 1979-08-03 Victor Co Of Japan Ltd Reproducer for information signal
JPS55113175A (en) 1979-02-23 1980-09-01 Victor Co Of Japan Ltd Information signal recording medium and its recording system

Also Published As

Publication number Publication date
GB2086160B (en) 1984-10-10
JPS6213750B2 (OSRAM) 1987-03-28
JPS5750021A (en) 1982-03-24
US4428003A (en) 1984-01-24
DE3135593A1 (de) 1982-05-06
FR2489996B1 (fr) 1986-05-09
GB2086160A (en) 1982-05-06
FR2489996A1 (fr) 1982-03-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G11B 3/38

8126 Change of the secondary classification

Ipc: G11B 21/10

8125 Change of the main classification

Ipc: G11B 21/10

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee