DE3160763D1 - Automatic track following feature for helical video recorder - Google Patents

Automatic track following feature for helical video recorder

Info

Publication number
DE3160763D1
DE3160763D1 DE8181301511T DE3160763T DE3160763D1 DE 3160763 D1 DE3160763 D1 DE 3160763D1 DE 8181301511 T DE8181301511 T DE 8181301511T DE 3160763 T DE3160763 T DE 3160763T DE 3160763 D1 DE3160763 D1 DE 3160763D1
Authority
DE
Germany
Prior art keywords
video recorder
following feature
track following
automatic track
helical video
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
DE8181301511T
Other languages
English (en)
Inventor
Robert S Bradford
Marshall R Brookhart
Bennett G Dy
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE3160763D1 publication Critical patent/DE3160763D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
DE8181301511T 1980-04-08 1981-04-07 Automatic track following feature for helical video recorder Expired DE3160763D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13843680A 1980-04-08 1980-04-08

Publications (1)

Publication Number Publication Date
DE3160763D1 true DE3160763D1 (en) 1983-09-22

Family

ID=22482005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181301511T Expired DE3160763D1 (en) 1980-04-08 1981-04-07 Automatic track following feature for helical video recorder

Country Status (6)

Country Link
EP (1) EP0037738B1 (de)
JP (1) JPS5723368A (de)
AU (1) AU543263B2 (de)
BR (1) BR8102104A (de)
CA (1) CA1193005A (de)
DE (1) DE3160763D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481544A (en) * 1981-09-18 1984-11-06 Ampex Corporation Automatic tracking system with apparatus to prevent mistracking by a limited range transducer during stop motion
DE3147596C2 (de) * 1981-12-02 1985-01-17 Loewe Opta Gmbh, 8640 Kronach Verfahren zur automatischen Abtastspureinstellung bei Video-Magnetbandgeräten mit Schrägspuraufzeichnung
DE3376597D1 (en) * 1982-04-02 1988-06-16 Ampex A programmable nonlinear speed control for a recording and/or reproducing apparatus
US4544967A (en) * 1982-04-02 1985-10-01 Ampex Corporation Automatic scan tracking servo system
DE3380132D1 (en) * 1982-04-02 1989-08-03 Ampex Microprocessor controlled reproducing apparatus having asynchronous reproducing capability
US4536806A (en) * 1982-04-02 1985-08-20 Ampex Corporation Microprocessor controlled multiple servo system for a recording and/or reproducing apparatus
US4451859A (en) * 1982-04-02 1984-05-29 Ampex Corporation Magnetic video head position control
AT376860B (de) * 1983-03-15 1985-01-10 Philips Nv System zum wiedergeben von auf einem magnetband gespeicherten informationssignalen
US4802033A (en) * 1986-11-07 1989-01-31 Eastman Kodak Company Predictive positioning offset compensation for high TPI disk systems
JPS6489675A (en) * 1987-09-29 1989-04-04 Mitsubishi Electric Corp Tracking device
WO1989009988A1 (en) * 1988-04-08 1989-10-19 Ampex Corporation Improved mounting structure for a magnetic transducer
US4933784A (en) * 1988-10-31 1990-06-12 Ampex Corporation Automatic head position tracking system for video signals recorded in a segmented format

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841795A (en) * 1972-07-17 1974-10-15 Caterpillar Tractor Co Combined engine speed and pressure responsive control for variable displacement pumps
GB1586474A (en) * 1976-06-16 1981-03-18 Lucas Industries Ltd Internal combustion engine having an operation timing control system
JPS54113308A (en) * 1978-02-23 1979-09-04 Sony Corp Tracking device for magnetic head
JPS6125071Y2 (de) * 1978-03-03 1986-07-28
US4197564A (en) * 1978-03-23 1980-04-08 Ampex Corporation Automatically calibrated RF envelope detector circuit
US4163993A (en) * 1978-03-23 1979-08-07 Ampex Corporation Continuous slow motion automatic tracking system
JPS54148421A (en) * 1978-05-15 1979-11-20 Sony Corp Automatic tracking device for rotary magnetic head

Also Published As

Publication number Publication date
JPS5723368A (en) 1982-02-06
AU543263B2 (en) 1985-04-18
EP0037738A1 (de) 1981-10-14
BR8102104A (pt) 1981-10-13
EP0037738B1 (de) 1983-08-17
CA1193005A (en) 1985-09-03
AU6914481A (en) 1981-10-15

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee