NL7902274A - MAGNETIC RECORDING AND DISPLAY DEVICE WITH AUTOMATICALLY COMPENSATED MOVABLE HEAD SERVO CHAIN AND METHOD OF ADJUSTING THE POSITION OF THE MOVABLE HEAD. - Google Patents

MAGNETIC RECORDING AND DISPLAY DEVICE WITH AUTOMATICALLY COMPENSATED MOVABLE HEAD SERVO CHAIN AND METHOD OF ADJUSTING THE POSITION OF THE MOVABLE HEAD.

Info

Publication number
NL7902274A
NL7902274A NL7902274A NL7902274A NL7902274A NL 7902274 A NL7902274 A NL 7902274A NL 7902274 A NL7902274 A NL 7902274A NL 7902274 A NL7902274 A NL 7902274A NL 7902274 A NL7902274 A NL 7902274A
Authority
NL
Netherlands
Prior art keywords
movable head
adjusting
display device
magnetic recording
automatically compensated
Prior art date
Application number
NL7902274A
Other languages
Dutch (nl)
Other versions
NL181311B (en
NL181311C (en
Original Assignee
Ampex
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 filed Critical Ampex
Publication of NL7902274A publication Critical patent/NL7902274A/en
Publication of NL181311B publication Critical patent/NL181311B/en
Application granted granted Critical
Publication of NL181311C publication Critical patent/NL181311C/en

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
    • G11B15/1808—Driving of both record carrier and head
    • 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
NLAANVRAGE7902274,A 1978-03-23 1979-03-22 RECORD / DISPLAY EQUIPMENT WITH DYNAMIC CONTROL OF A MOVABLE TRANSDUCENT CARRIER IN ORDER TO HAVE THE TRANSDUCER TRACKING A TIRE TRACK. NL181311C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88999478A 1978-03-23 1978-03-23

Publications (3)

Publication Number Publication Date
NL7902274A true NL7902274A (en) 1979-09-25
NL181311B NL181311B (en) 1987-02-16
NL181311C NL181311C (en) 1987-07-16

Family

ID=25396083

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7902274,A NL181311C (en) 1978-03-23 1979-03-22 RECORD / DISPLAY EQUIPMENT WITH DYNAMIC CONTROL OF A MOVABLE TRANSDUCENT CARRIER IN ORDER TO HAVE THE TRANSDUCER TRACKING A TIRE TRACK.

Country Status (10)

Country Link
JP (1) JPS54163618A (en)
AT (1) AT381823B (en)
BE (1) BE875025A (en)
CA (1) CA1147456A (en)
DE (1) DE2911122A1 (en)
FR (1) FR2420816B1 (en)
GB (1) GB2017352B (en)
HK (1) HK6887A (en)
IT (1) IT1115051B (en)
NL (1) NL181311C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56127925A (en) * 1980-03-13 1981-10-07 Sony Corp Tracking device of magnetic head
JPS57140083A (en) * 1981-02-24 1982-08-30 Sony Corp Video signal reproducing device
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
JPS58169360A (en) * 1982-03-30 1983-10-05 Sony Corp Video signal reproducing device
DE3376597D1 (en) * 1982-04-02 1988-06-16 Ampex A programmable nonlinear speed control for a recording and/or reproducing apparatus
JPS6087422A (en) * 1983-09-19 1985-05-17 アムペックス　コーポレーション Automatic head position tracking servo system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2260163B1 (en) * 1974-02-04 1979-08-03 Thomson Brandt
DE2423074C2 (en) * 1974-05-13 1983-09-22 Robert Bosch Gmbh, 7000 Stuttgart Device for tracking a light beam scanning head
US4080636A (en) * 1976-03-19 1978-03-21 Ampex Corporation System for damping vibrations in a deflectable transducer
US4093885A (en) * 1976-03-19 1978-06-06 Ampex Corporation Transducer assembly vibration sensor
US4106065A (en) * 1976-03-19 1978-08-08 Ampex Corporation Drive circuitry for controlling movable video head
GB1579854A (en) * 1976-03-19 1980-11-26 Ampex Method and apparatus for producing time base altered effects in data 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
US4099211A (en) * 1976-09-13 1978-07-04 Ampex Corporation Positionable transducing mounting structure and driving system therefor
GB1580008A (en) * 1977-06-04 1980-11-26 Sony Corp Automatic head tracking system
JPS5492307A (en) * 1977-12-29 1979-07-21 Sony Corp Driving circuit of electrostrictive converter
JPS54113308A (en) * 1978-02-23 1979-09-04 Sony Corp Tracking device for magnetic head

Also Published As

Publication number Publication date
NL181311B (en) 1987-02-16
FR2420816A1 (en) 1979-10-19
DE2911122C2 (en) 1987-07-02
GB2017352B (en) 1982-08-25
BE875025A (en) 1979-07-16
IT1115051B (en) 1986-02-03
ATA217279A (en) 1986-04-15
IT7948427A0 (en) 1979-03-21
FR2420816B1 (en) 1988-07-29
DE2911122A1 (en) 1979-09-27
GB2017352A (en) 1979-10-03
CA1147456A (en) 1983-05-31
HK6887A (en) 1987-01-23
NL181311C (en) 1987-07-16
JPS54163618A (en) 1979-12-26
AT381823B (en) 1986-12-10

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: AMPEX SYSTEMS CORPORATION

V1 Lapsed because of non-payment of the annual fee

Effective date: 19951001