JPS5223305A - Optical pickup system of recorded signals in stereophonic sound recording disc - Google Patents

Optical pickup system of recorded signals in stereophonic sound recording disc

Info

Publication number
JPS5223305A
JPS5223305A JP9906975A JP9906975A JPS5223305A JP S5223305 A JPS5223305 A JP S5223305A JP 9906975 A JP9906975 A JP 9906975A JP 9906975 A JP9906975 A JP 9906975A JP S5223305 A JPS5223305 A JP S5223305A
Authority
JP
Japan
Prior art keywords
optical pickup
sound recording
pickup system
recording disc
recorded signals
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
JP9906975A
Other languages
Japanese (ja)
Other versions
JPS585460B2 (en
Inventor
Akira Asano
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP9906975A priority Critical patent/JPS585460B2/en
Publication of JPS5223305A publication Critical patent/JPS5223305A/en
Publication of JPS585460B2 publication Critical patent/JPS585460B2/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
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/16—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by mechanical cutting, deforming or pressing
    • G11B11/18—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by mechanical cutting, deforming or pressing with reproducing by optical means
    • 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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:By utilizing detection outputs by focusing servo yarn and tracking servo yarn, record signals recorded on both walls of acoustic groove G are optically taken otu discretely.
JP9906975A 1975-08-16 1975-08-16 Ritsutaion Kiyou Enban Record Donioker Kirokushingouno Expired JPS585460B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9906975A JPS585460B2 (en) 1975-08-16 1975-08-16 Ritsutaion Kiyou Enban Record Donioker Kirokushingouno

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9906975A JPS585460B2 (en) 1975-08-16 1975-08-16 Ritsutaion Kiyou Enban Record Donioker Kirokushingouno

Publications (2)

Publication Number Publication Date
JPS5223305A true JPS5223305A (en) 1977-02-22
JPS585460B2 JPS585460B2 (en) 1983-01-31

Family

ID=14237543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9906975A Expired JPS585460B2 (en) 1975-08-16 1975-08-16 Ritsutaion Kiyou Enban Record Donioker Kirokushingouno

Country Status (1)

Country Link
JP (1) JPS585460B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372543U (en) * 1986-10-29 1988-05-14
US5863695A (en) * 1992-08-25 1999-01-26 Canon Kabushiki Kaisha Toner for developing electrostatic image and image forming method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372543U (en) * 1986-10-29 1988-05-14
US5863695A (en) * 1992-08-25 1999-01-26 Canon Kabushiki Kaisha Toner for developing electrostatic image and image forming method

Also Published As

Publication number Publication date
JPS585460B2 (en) 1983-01-31

Similar Documents

Publication Publication Date Title
ES458637A1 (en) Optical scanning device
EP0441967A4 (en) Optical recording medium, data recording method and data reproducing method
ES440872A1 (en) Reproducing apparatus with drop out suppression circuit for audio and video signals
NL7808862A (en) SYSTEM FOR PLAYBACK OF A VIDEO SIGNAL RECORDED ON A RECORDING MEDIUM.
JPS5345506A (en) Information detecting apparatus
FR2315142A1 (en) Transducer head guide system - using additional guide track associated with magnetic recording track
ES414578A1 (en) Optical system for forming an image of an object in a given plane
JPS5223305A (en) Optical pickup system of recorded signals in stereophonic sound recording disc
FR1466591A (en) System and method for recording and reproducing signals
JPS5424002A (en) Reproducer of optical information recording medium discs
JPS533305A (en) Optical reproduction device
JPS55125542A (en) Optical reproduction unit
JPS5223304A (en) Optical read system of recorded signals in stereophonic sound recording disc
JPS5350707A (en) Optical record reproducing apparatus
JPS5347802A (en) Signal regenerator
ES427857A1 (en) Information carrier of disc form for sound and/or video signals
JPS5250702A (en) Optical information recording and reproduction apparatus
JPS53148913A (en) Optical signal reproducer
FR2347741A1 (en) Signal suppression system for record player - has stereo playback head for generating pair of correlated signals which attenuate source signal
JPS5263305A (en) Tracking servo device
JPS57203233A (en) Optical recorder and reproducer
JPS5227651A (en) Reading method of hologram information
GB1547913A (en) Sound track selecttor system for phonograph record players
JPS52132625A (en) Optical multichannel recording and reproduction method
JPS6476538A (en) Optical recording and reproducing device