GB2231462B - Compatible player for video discs of different systems. - Google Patents

Compatible player for video discs of different systems.

Info

Publication number
GB2231462B
GB2231462B GB9003627A GB9003627A GB2231462B GB 2231462 B GB2231462 B GB 2231462B GB 9003627 A GB9003627 A GB 9003627A GB 9003627 A GB9003627 A GB 9003627A GB 2231462 B GB2231462 B GB 2231462B
Authority
GB
United Kingdom
Prior art keywords
different systems
video discs
compatible player
player
compatible
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 - Fee Related
Application number
GB9003627A
Other versions
GB2231462A (en
GB9003627D0 (en
Inventor
Nobuo Haino
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of GB9003627D0 publication Critical patent/GB9003627D0/en
Publication of GB2231462A publication Critical patent/GB2231462A/en
Application granted granted Critical
Publication of GB2231462B publication Critical patent/GB2231462B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N5/7605—Television signal recording on discs or drums
    • 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
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • 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
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
    • H04N9/7925—Processing of colour television signals in connection with recording for more than one processing mode for more than one standard
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2587—Laser Discs; Optical disc using analog recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
GB9003627A 1989-05-08 1990-02-16 Compatible player for video discs of different systems. Expired - Fee Related GB2231462B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1114590A JPH0828856B2 (en) 1989-05-08 1989-05-08 Different format video disc player

Publications (3)

Publication Number Publication Date
GB9003627D0 GB9003627D0 (en) 1990-04-11
GB2231462A GB2231462A (en) 1990-11-14
GB2231462B true GB2231462B (en) 1993-11-10

Family

ID=14641668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9003627A Expired - Fee Related GB2231462B (en) 1989-05-08 1990-02-16 Compatible player for video discs of different systems.

Country Status (3)

Country Link
JP (1) JPH0828856B2 (en)
DE (1) DE4005658A1 (en)
GB (1) GB2231462B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2507174B2 (en) * 1990-11-20 1996-06-12 松下電器産業株式会社 Optical disk drive
JPH0512784A (en) * 1991-07-03 1993-01-22 Pioneer Electron Corp Signal format discriminating method of disk player
KR940003035B1 (en) * 1991-10-08 1994-04-11 삼성전자 주식회사 Video signal circuit
US5157495A (en) * 1991-12-20 1992-10-20 Eastman Kodak Company Multi-mode video standard selection circuit and selection method
KR0165251B1 (en) * 1992-10-22 1999-03-20 윤종용 The frequency drop-out detection circuit and method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158581A (en) * 1980-05-10 1981-12-07 Victor Co Of Japan Ltd Recording and playback system for rotating recording medium
JPS6446270A (en) * 1987-08-13 1989-02-20 Pioneer Electronic Corp Searching method in disk player

Also Published As

Publication number Publication date
JPH0828856B2 (en) 1996-03-21
DE4005658A1 (en) 1990-11-15
GB2231462A (en) 1990-11-14
JPH02292972A (en) 1990-12-04
GB9003627D0 (en) 1990-04-11
DE4005658C2 (en) 1991-11-28

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19931221

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980216