GB8318878D0 - Video disc player - Google Patents

Video disc player

Info

Publication number
GB8318878D0
GB8318878D0 GB838318878A GB8318878A GB8318878D0 GB 8318878 D0 GB8318878 D0 GB 8318878D0 GB 838318878 A GB838318878 A GB 838318878A GB 8318878 A GB8318878 A GB 8318878A GB 8318878 D0 GB8318878 D0 GB 8318878D0
Authority
GB
United Kingdom
Prior art keywords
video disc
disc player
player
video
disc
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.)
Granted
Application number
GB838318878A
Other versions
GB2134356A (en
GB2134356B (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.)
Universal Pioneer Corp
Original Assignee
Universal Pioneer 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
Priority claimed from JP13149479A external-priority patent/JPS5656076A/en
Priority claimed from JP13149579A external-priority patent/JPS5654667A/en
Priority claimed from JP54132285A external-priority patent/JPS6045483B2/en
Priority claimed from JP54133697A external-priority patent/JPS6048809B2/en
Application filed by Universal Pioneer Corp filed Critical Universal Pioneer Corp
Publication of GB8318878D0 publication Critical patent/GB8318878D0/en
Publication of GB2134356A publication Critical patent/GB2134356A/en
Application granted granted Critical
Publication of GB2134356B publication Critical patent/GB2134356B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
GB08318878A 1979-10-12 1983-07-13 Video disc player Expired GB2134356B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP13149479A JPS5656076A (en) 1979-10-12 1979-10-12 Reproduced signal compensation circuit of recording disk reproducing device
JP13149579A JPS5654667A (en) 1979-10-12 1979-10-12 Identifying device for existence of record information of record disk reproducer
JP54132285A JPS6045483B2 (en) 1979-10-13 1979-10-13 Tracking servo device in information reading device
JP54133697A JPS6048809B2 (en) 1979-10-16 1979-10-16 Tracking servo retraction device in information reading device

Publications (3)

Publication Number Publication Date
GB8318878D0 true GB8318878D0 (en) 1983-08-17
GB2134356A GB2134356A (en) 1984-08-08
GB2134356B GB2134356B (en) 1985-02-06

Family

ID=27471619

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8032959A Expired GB2061072B (en) 1979-10-12 1980-10-13 Video disc player
GB08318878A Expired GB2134356B (en) 1979-10-12 1983-07-13 Video disc player

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8032959A Expired GB2061072B (en) 1979-10-12 1980-10-13 Video disc player

Country Status (2)

Country Link
DE (1) DE3038650C2 (en)
GB (2) GB2061072B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200909A (en) * 1981-06-01 1982-12-09 Victor Co Of Japan Ltd Reproducing device for information recording medium
JPS5883365A (en) * 1981-11-10 1983-05-19 Sony Corp Disk player
NL8105347A (en) * 1981-11-26 1983-06-16 Philips Nv Apparatus for the optical scanning of a disc-shaped record carrier.
JPS58100234A (en) * 1981-12-10 1983-06-14 Teac Co Optical reproducing device
JPS58102340A (en) * 1981-12-11 1983-06-17 Teac Co Optical reproducing device
US4497049A (en) * 1982-02-25 1985-01-29 Staar S. A. System for detecting the operative face of a disc carrying data on one face only
DE3367134D1 (en) * 1982-05-31 1986-11-27 Hitachi Ltd Servo circuit for a signal reproducing apparatus
WO1983004329A1 (en) * 1982-06-04 1983-12-08 Sony Corporation Optical disc reproducer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270596B (en) * 1964-07-11 1968-06-20 Fernseh Gmbh Method for the magnetic storage of video and audio signals from television broadcasts in a single continuous track
NL7402078A (en) * 1974-02-15 1975-08-19 Philips Nv DEVICE FOR READING A DISK-SHAPED REGISTRATION CARRIER.
DE2658944A1 (en) * 1976-12-24 1978-07-06 Bosch Gmbh Robert PROCEDURE AND CIRCUIT ARRANGEMENT FOR FREQUENCY RESPONSE CORRECTION

Also Published As

Publication number Publication date
GB2061072B (en) 1984-06-20
GB2134356A (en) 1984-08-08
DE3038650C2 (en) 1983-05-19
DE3038650A1 (en) 1981-04-30
GB2061072A (en) 1981-05-07
GB2134356B (en) 1985-02-06

Similar Documents

Publication Publication Date Title
JPS5662488A (en) Video disk player
JPS5665370A (en) Video disk player
JPS5664578A (en) Video disc recorder
ZA776203B (en) Video disc player
ZA79500B (en) Video disc player
GB2134356B (en) Video disc player
GB2107550B (en) Video disc player
GB2113947B (en) Video disc player
GB2076613B (en) Video disc player
GB2076255B (en) Video disc player
GB2105900B (en) Video disc player
JPS5644162A (en) Video disk reproducer
JPS5647961A (en) Video disk reproducer
GB2014348A (en) Video disc players
JPS54151404A (en) Video disk player
JPS5664579A (en) Microprocessor controlled video disk player
JPS57162105A (en) Video disc player
GB2089096B (en) Video disc player
GB2064198B (en) Video disc caddy
JPS57103157A (en) Video disc player
JPS5784696A (en) Video disk player
GB2015237B (en) Video disc player
JPS54148422A (en) Video disk player
AU530869B2 (en) Video disc player
JPS55135362A (en) Record player

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee