GB1285308A - Tape player having an automatic tracking control circuit - Google Patents

Tape player having an automatic tracking control circuit

Info

Publication number
GB1285308A
GB1285308A GB26288/71A GB2628871A GB1285308A GB 1285308 A GB1285308 A GB 1285308A GB 26288/71 A GB26288/71 A GB 26288/71A GB 2628871 A GB2628871 A GB 2628871A GB 1285308 A GB1285308 A GB 1285308A
Authority
GB
United Kingdom
Prior art keywords
signal
frequency
capstan
phase
source
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
GB26288/71A
Other languages
English (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.)
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 GB1285308A publication Critical patent/GB1285308A/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
    • G11B15/4676—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 using signals recorded in tracks disposed in parallel with the scanning direction

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Velocity Or Acceleration (AREA)
GB26288/71A 1970-04-06 1971-04-19 Tape player having an automatic tracking control circuit Expired GB1285308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2591170A 1970-04-06 1970-04-06

Publications (1)

Publication Number Publication Date
GB1285308A true GB1285308A (en) 1972-08-16

Family

ID=21828723

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26288/71A Expired GB1285308A (en) 1970-04-06 1971-04-19 Tape player having an automatic tracking control circuit

Country Status (5)

Country Link
US (1) US3663763A (enExample)
JP (1) JPS526608B1 (enExample)
BE (1) BE765302A (enExample)
FR (1) FR2089078A5 (enExample)
GB (1) GB1285308A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106899314A (zh) * 2016-12-19 2017-06-27 北京世纪之星应用技术研究中心 一种利用同步峰谷值镜像跟踪采样am检波方法及装置

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2216077C3 (de) * 1972-04-01 1978-04-20 Loewe Opta Gmbh, 1000 Berlin Automatische Spurabtast-Regelschaltung für Video-Magnetband-Aufzeichnungsund Wiedergabegerät
US3838453A (en) * 1972-05-18 1974-09-24 Ibm Track following system for magnetic tape recorder
JPS5256814Y2 (enExample) * 1972-11-08 1977-12-22
US3943565A (en) * 1973-09-26 1976-03-09 Loewe-Opta Gmbh Track scan initiation and cutout arrangement for a helical scan video recorder
FR2306495A1 (fr) * 1975-04-04 1976-10-29 Thomson Brandt Systeme de lecture d'un enregistrement par exploration optique ponctuelle d'une piste diffractante
US4039746A (en) * 1975-06-13 1977-08-02 Linotype-Paul Limited Record member advance system
GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus
US4151570A (en) * 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
GB1580008A (en) * 1977-06-04 1980-11-26 Sony Corp Automatic head tracking system
JPS5441114A (en) * 1977-09-08 1979-04-02 Sony Corp Automatic tracking system
JPS5448210A (en) * 1977-09-26 1979-04-16 Sony Corp Automatic tracking system
JPS6125071Y2 (enExample) * 1978-03-03 1986-07-28
US4163993A (en) * 1978-03-23 1979-08-07 Ampex Corporation Continuous slow motion automatic tracking system
US4308560A (en) * 1978-03-23 1981-12-29 Ampex Corporation Method of operating a signal reproducing apparatus for effecting synchronous reproduction of recorded signals
US4416002A (en) * 1978-04-10 1983-11-15 Hitachi, Ltd. Method and apparatus for high-density recording and reproduction
US4484235A (en) * 1980-06-19 1984-11-20 Matsushita Electric Industrial Co., Ltd. Phase control circuit and magnetic reproducing apparatus using the same
JPS57158057A (en) * 1981-03-25 1982-09-29 Sony Corp Correcting method for wow and flutter
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
US4745496A (en) * 1982-09-15 1988-05-17 Ampex Corporation Apparatus and method for adjusting the tracking position of a magnetic head along a magnetic track
JPH0680543B2 (ja) * 1985-07-26 1994-10-12 ソニー株式会社 インデツクス信号検出装置
US4760471A (en) * 1986-04-11 1988-07-26 Ampex Corporation System and method to improve picture quality during shuttling of video tapes
US5119246A (en) * 1989-03-24 1992-06-02 Sony Corporation Rf tracking servo for vtr with adjustable servo loop gain
JP2626043B2 (ja) * 1989-04-17 1997-07-02 ソニー株式会社 磁気再生装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097267A (en) * 1958-08-08 1963-07-09 Ampex Tape recording and/or reproducing system and method
US3126535A (en) * 1961-12-27 1964-03-24 Transducer positioning system
US3398235A (en) * 1963-11-13 1968-08-20 Rank Bush Murphy Ltd Headwheel speed control system for reproducing magnetically recorded television signals
US3399334A (en) * 1964-04-20 1968-08-27 Ampex Servo controlled motor drive with a mechanical filter between the motor and the driven member
US3474432A (en) * 1966-04-27 1969-10-21 Sperry Rand Corp Transducer position detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106899314A (zh) * 2016-12-19 2017-06-27 北京世纪之星应用技术研究中心 一种利用同步峰谷值镜像跟踪采样am检波方法及装置
CN106899314B (zh) * 2016-12-19 2019-02-22 北京世纪之星应用技术研究中心 一种利用同步峰谷值镜像跟踪采样am检波方法及装置

Also Published As

Publication number Publication date
JPS526608B1 (enExample) 1977-02-23
DE2116206B2 (de) 1973-05-24
BE765302A (fr) 1971-08-30
DE2116206A1 (de) 1971-10-21
US3663763A (en) 1972-05-16
FR2089078A5 (enExample) 1972-01-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years