GB8501465D0 - System for playing back information recorded on disc - Google Patents

System for playing back information recorded on disc

Info

Publication number
GB8501465D0
GB8501465D0 GB858501465A GB8501465A GB8501465D0 GB 8501465 D0 GB8501465 D0 GB 8501465D0 GB 858501465 A GB858501465 A GB 858501465A GB 8501465 A GB8501465 A GB 8501465A GB 8501465 D0 GB8501465 D0 GB 8501465D0
Authority
GB
United Kingdom
Prior art keywords
disc
information recorded
playing back
back information
playing
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
GB858501465A
Other versions
GB2154030B (en
GB2154030A (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.)
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 GB8501465D0 publication Critical patent/GB8501465D0/en
Publication of GB2154030A publication Critical patent/GB2154030A/en
Application granted granted Critical
Publication of GB2154030B publication Critical patent/GB2154030B/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
    • 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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
    • G11B21/106—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 on disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0946—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
GB08501465A 1984-01-20 1985-01-21 Speed and tracking control Expired GB2154030B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP909884A JPS60154358A (en) 1984-01-20 1984-01-20 Reproducing device of recorded information

Publications (3)

Publication Number Publication Date
GB8501465D0 true GB8501465D0 (en) 1985-02-20
GB2154030A GB2154030A (en) 1985-08-29
GB2154030B GB2154030B (en) 1987-03-11

Family

ID=11711141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08501465A Expired GB2154030B (en) 1984-01-20 1985-01-21 Speed and tracking control

Country Status (3)

Country Link
JP (1) JPS60154358A (en)
DE (1) DE3501811A1 (en)
GB (1) GB2154030B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619258A1 (en) * 1986-06-07 1987-12-10 Blaupunkt Werke Gmbh COMPACT DISC (CD) PLAYER
JPH0821214B2 (en) * 1987-02-27 1996-03-04 パイオニア株式会社 Disk playback system
DE3732899A1 (en) * 1987-09-30 1989-04-20 Thomson Brandt Gmbh TRACK CONTROL CIRCUIT FOR AN OPTICAL SCANNER
JP2687452B2 (en) * 1988-06-27 1997-12-08 富士通株式会社 Disk unit
GB2310297B (en) * 1996-02-15 1998-12-16 Matsushita Electric Ind Co Ltd Motor control system
CN1240602C (en) * 2001-08-28 2006-02-08 三菱电机株式会社 Operating unit and landing stage and cage of elevator comprising it
JP4951867B2 (en) * 2005-03-16 2012-06-13 フジテック株式会社 Elevator car operation panel
JP4834436B2 (en) * 2006-03-29 2011-12-14 株式会社日立製作所 Switch box for elevator car operation panel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8001974A (en) * 1980-04-03 1981-11-02 Philips Nv TRACKING DEVICE.
JPS57191874A (en) * 1981-05-19 1982-11-25 Teac Co Reproducing device
DE3348177C2 (en) * 1982-10-15 1989-07-20 Pioneer Electronic Corp., Tokio/Tokyo, Jp

Also Published As

Publication number Publication date
JPS60154358A (en) 1985-08-14
GB2154030B (en) 1987-03-11
DE3501811A1 (en) 1985-08-08
JPH0330942B2 (en) 1991-05-01
GB2154030A (en) 1985-08-29
DE3501811C2 (en) 1988-07-28

Similar Documents

Publication Publication Date Title
GB2101792B (en) Method and system for recording and playing back information
EP0127732A3 (en) Information recording system
EP0185140A3 (en) Recorded disk playback apparatus
GB2127206B (en) Information record disc
EP0278763A3 (en) Information recording medium
DE3378503D1 (en) Information recording system
GB2173632B (en) System for playing video information recording disks
GB8515504D0 (en) Recording information on magnetic disk
EP0236944A3 (en) Method and system for playing back information recorded method and system for playing back information recorded on a recording disk on a recording disk
DE3360082D1 (en) Record player for an information carrying rigid disk
HK108497A (en) Information recording disk
GB2227354B (en) Record information reproducing system
GB2190231B (en) Disc information reproducing apparatus
KR930001547Y1 (en) Disk cassette comprising an information disc
GB8522728D0 (en) Recording disk data playback
GB8606964D0 (en) Information signal recording disc
GB8501465D0 (en) System for playing back information recorded on disc
GB8511043D0 (en) Information signal recording disc
GB2157476B (en) Information reproducing device
GB8502586D0 (en) Reproducing record information
GB2119999B (en) Magneto-optic information recording system
GB2080646B (en) Information recording system
GB8610362D0 (en) Recording information on disc
GB8522727D0 (en) Recording disk data playback
EP0277734A3 (en) Information recording medium

Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950121