CA1109146A - Automatic tracking servo control system - Google Patents

Automatic tracking servo control system

Info

Publication number
CA1109146A
CA1109146A CA312,044A CA312044A CA1109146A CA 1109146 A CA1109146 A CA 1109146A CA 312044 A CA312044 A CA 312044A CA 1109146 A CA1109146 A CA 1109146A
Authority
CA
Canada
Prior art keywords
pulses
pulse
counter
interval
count
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
CA312,044A
Other languages
English (en)
French (fr)
Inventor
Kenji Nakano
Tadahiko Nakamura
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1109146A publication Critical patent/CA1109146A/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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/4673—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating
    • G11B15/4675—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Velocity Or Acceleration (AREA)
CA312,044A 1977-09-26 1978-09-25 Automatic tracking servo control system Expired CA1109146A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11469677A JPS5448210A (en) 1977-09-26 1977-09-26 Automatic tracking system
JP114696/77 1977-09-26

Publications (1)

Publication Number Publication Date
CA1109146A true CA1109146A (en) 1981-09-15

Family

ID=14644332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312,044A Expired CA1109146A (en) 1977-09-26 1978-09-25 Automatic tracking servo control system

Country Status (10)

Country Link
US (1) US4224643A (enExample)
JP (1) JPS5448210A (enExample)
AT (1) AT384332B (enExample)
AU (1) AU517560B2 (enExample)
CA (1) CA1109146A (enExample)
DE (1) DE2841877A1 (enExample)
FR (1) FR2404276A1 (enExample)
GB (1) GB2006480B (enExample)
IT (1) IT1099212B (enExample)
NL (1) NL7809745A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56101621A (en) * 1980-01-17 1981-08-14 Victor Co Of Japan Ltd Tracking system of magnetic reproducing device
US4321704A (en) * 1980-02-01 1982-03-23 Ampex Corporation Parity checking circuitry for use in multi-bit cell PCM recording and reproducing apparatus
JPS5778623A (en) * 1980-11-04 1982-05-17 Victor Co Of Japan Ltd Track shift detection system of magnetic reproducing device
JPS581843A (ja) * 1981-06-26 1983-01-07 Hitachi Ltd Ｖｔｒのオ−トトラッキング装置
US4689706A (en) * 1982-09-15 1987-08-25 Ampex Corporation Apparatus and method for adjusting the respective positions of a magnetic head and video information along a magnetic track
CA1234622A (en) * 1984-08-22 1988-03-29 Sony Corporation Tracking control apparatus
JPS61170974A (ja) * 1985-01-23 1986-08-01 Sony Corp 磁気記録再生装置
KR910009144Y1 (ko) * 1988-04-07 1991-11-25 삼성전자 주식회사 Vtr의 fm신호 전달 기록 시스템
US5124807A (en) * 1988-08-09 1992-06-23 Go-Video, Inc. Dual deck videocassette recorder system
US5194963A (en) * 1988-08-09 1993-03-16 Go-Video, Inc. Dual deck videocassette recorder system
JP2761773B2 (ja) * 1989-10-17 1998-06-04 旭光学工業株式会社 内視鏡用光源装置
US5432652A (en) * 1993-06-14 1995-07-11 International Business Machines Corporation Servo and data format for magnetic tape having plural spaced-apart servo areas interleaved with data track areas having serpentine track scanning using any one of a plurality of number of concurrently accessed tracks
US5574602A (en) * 1993-06-14 1996-11-12 International Business Machines Corporation Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning
FR3161627A1 (fr) 2024-04-25 2025-10-31 Stellantis Auto Sas Dispositif d’éclairage d’ambiance pour véhicule automobile

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663763A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking method and apparatus for rotary scan tape transport
US3663764A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking circuit for transverse scan magnetic tape transport
JPS5137527B1 (enExample) * 1970-09-18 1976-10-16
US3838453A (en) 1972-05-18 1974-09-24 Ibm Track following system for magnetic tape recorder
US3845500A (en) 1973-11-12 1974-10-29 Ibm Head to track alignment in a rotating head magnetic tape unit
US4004205A (en) * 1973-12-06 1977-01-18 Hitachi Electronics, Ltd. Hybrid servo control system
US4003090A (en) * 1974-02-18 1977-01-11 Rca Corporation Magnetic recording and reproducing system with tape-to-head speed control
US3964094A (en) 1974-11-07 1976-06-15 International Business Machines Corporation Servo information pattern for rotating head magnetic tape unit independent of amplitude
US4127881A (en) * 1975-10-21 1978-11-28 Matsushita Electric Industrial Co., Ltd. Tracking control system for magnetic video recording and reproducing system
JPS5441114A (en) * 1977-09-08 1979-04-02 Sony Corp Automatic tracking system
JPS615211A (ja) * 1984-06-19 1986-01-11 Furukawa Electric Co Ltd:The 光テ−プ型ユニツトの製造方法

Also Published As

Publication number Publication date
FR2404276A1 (fr) 1979-04-20
GB2006480A (en) 1979-05-02
JPS5448210A (en) 1979-04-16
FR2404276B1 (enExample) 1981-12-18
IT1099212B (it) 1985-09-18
NL7809745A (nl) 1979-03-28
IT7828115A0 (it) 1978-09-26
DE2841877C2 (enExample) 1988-12-08
ATA694678A (de) 1987-03-15
AU4019978A (en) 1980-04-03
AU517560B2 (en) 1981-08-06
US4224643A (en) 1980-09-23
AT384332B (de) 1987-10-27
GB2006480B (en) 1982-03-31
DE2841877A1 (de) 1979-04-12

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Legal Events

Date Code Title Description
MKEX Expiry