JPS5532239A - Reproducing device - Google Patents

Reproducing device

Info

Publication number
JPS5532239A
JPS5532239A JP10403878A JP10403878A JPS5532239A JP S5532239 A JPS5532239 A JP S5532239A JP 10403878 A JP10403878 A JP 10403878A JP 10403878 A JP10403878 A JP 10403878A JP S5532239 A JPS5532239 A JP S5532239A
Authority
JP
Japan
Prior art keywords
jumping
tracking control
command
speed
outputs
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
JP10403878A
Other languages
Japanese (ja)
Other versions
JPS6325411B2 (en
Inventor
Mitsuro Moriya
Masahiro Deguchi
Noboru Wakami
Yasuhiro Goto
Kazuharu Shiragami
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10403878A priority Critical patent/JPS5532239A/en
Publication of JPS5532239A publication Critical patent/JPS5532239A/en
Priority to US06/380,343 priority patent/US4539664A/en
Publication of JPS6325411B2 publication Critical patent/JPS6325411B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
    • 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
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

PURPOSE:To make it possible to regenerate signals recorded on a recording disc at any speed by providing a jumping controller and then by making a scan jumping tracks. CONSTITUTION:When a jumping synchronizing pulse is inputted under tracking control, jumping command circuit 26 outputs a jumping command to make tracking control in effective and at the same time, jumping voltage generating circuit 27 develops a jumping voltage to drive tracking element 17. Therefore, light beam 2 crosses tracks. On confirming that light beam 2 is on an assigned track, jumping stop pulse generating circuit 25 outputs a jumping stop command to close switches 13 and 14, thereby making tracking control effective. In this way, signals can be regenerated at a speed different from a recording speed.
JP10403878A 1978-08-25 1978-08-25 Reproducing device Granted JPS5532239A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10403878A JPS5532239A (en) 1978-08-25 1978-08-25 Reproducing device
US06/380,343 US4539664A (en) 1978-08-25 1982-05-20 Control system for optical information signal reproduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10403878A JPS5532239A (en) 1978-08-25 1978-08-25 Reproducing device

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP60120948A Division JPH0632173B2 (en) 1985-06-04 1985-06-04 Playback device
JP12094985A Division JPS6111946A (en) 1985-06-04 1985-06-04 Tracking error signal detecting device

Publications (2)

Publication Number Publication Date
JPS5532239A true JPS5532239A (en) 1980-03-06
JPS6325411B2 JPS6325411B2 (en) 1988-05-25

Family

ID=14370046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10403878A Granted JPS5532239A (en) 1978-08-25 1978-08-25 Reproducing device

Country Status (1)

Country Link
JP (1) JPS5532239A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490859A1 (en) * 1980-09-22 1982-03-26 Victor Company Of Japan ROTATING RECORDING MEDIUM REPRODUCING APPARATUS PUTTING A TRACK TRACKING CONTROL SYSTEM IN A NON-OPERATING STATE WHEN TRACK TRACKING OF A REPRODUCING MEMBER IS NOT NECESSARY
JPS58150141A (en) * 1982-03-02 1983-09-06 Aiwa Co Ltd Optical information reader
JPS58200472A (en) * 1982-05-19 1983-11-22 Hitachi Ltd Tracking controller of recorded information reproducer
JPS59500884A (en) * 1982-05-19 1984-05-17 バロ−ス・コ−ポレ−ション Optical memory system with improved position and focus control circuitry
EP0164071A2 (en) * 1984-06-01 1985-12-11 Yamaha Corporation Pickup head position control device in an optical type disc reproducing device
JPS61150296A (en) * 1984-12-24 1986-07-08 株式会社小糸製作所 Method and apparatus for manufacturing printed circuit board
JPS63271773A (en) * 1988-03-02 1988-11-09 Matsushita Electric Ind Co Ltd Jumping scan device
US4790902A (en) * 1986-02-21 1988-12-13 Meiko Electronics Co., Ltd. Method of producing conductor circuit boards
JPH0782648B2 (en) * 1982-02-17 1995-09-06 バロ−ス コ−ポレ−ション High density data storage

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490859A1 (en) * 1980-09-22 1982-03-26 Victor Company Of Japan ROTATING RECORDING MEDIUM REPRODUCING APPARATUS PUTTING A TRACK TRACKING CONTROL SYSTEM IN A NON-OPERATING STATE WHEN TRACK TRACKING OF A REPRODUCING MEMBER IS NOT NECESSARY
JPH0782648B2 (en) * 1982-02-17 1995-09-06 バロ−ス コ−ポレ−ション High density data storage
JPS58150141A (en) * 1982-03-02 1983-09-06 Aiwa Co Ltd Optical information reader
JPS58200472A (en) * 1982-05-19 1983-11-22 Hitachi Ltd Tracking controller of recorded information reproducer
JPS59500884A (en) * 1982-05-19 1984-05-17 バロ−ス・コ−ポレ−ション Optical memory system with improved position and focus control circuitry
JPH0435831B2 (en) * 1982-05-19 1992-06-12 Hitachi Ltd
EP0164071A3 (en) * 1984-06-01 1988-04-06 Nippon Gakki Seizo Kabushiki Kaisha Pickup head position control device in an optical type disc reproducing device
US4803675A (en) * 1984-06-01 1989-02-07 Nippon Gakki Seizo Kabushiki Kaisha High speed, low power consumption pickup head position control device in an optical type disc reproducing device
EP0164071A2 (en) * 1984-06-01 1985-12-11 Yamaha Corporation Pickup head position control device in an optical type disc reproducing device
JPH0330998B2 (en) * 1984-12-24 1991-05-01 Koito Mfg Co Ltd
JPS61150296A (en) * 1984-12-24 1986-07-08 株式会社小糸製作所 Method and apparatus for manufacturing printed circuit board
US4790902A (en) * 1986-02-21 1988-12-13 Meiko Electronics Co., Ltd. Method of producing conductor circuit boards
JPS63271773A (en) * 1988-03-02 1988-11-09 Matsushita Electric Ind Co Ltd Jumping scan device
JPH039556B2 (en) * 1988-03-02 1991-02-08 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS6325411B2 (en) 1988-05-25

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