JPS5225601A - Detecting system of recording signals in disc records - Google Patents

Detecting system of recording signals in disc records

Info

Publication number
JPS5225601A
JPS5225601A JP50101446A JP10144675A JPS5225601A JP S5225601 A JPS5225601 A JP S5225601A JP 50101446 A JP50101446 A JP 50101446A JP 10144675 A JP10144675 A JP 10144675A JP S5225601 A JPS5225601 A JP S5225601A
Authority
JP
Japan
Prior art keywords
detecting system
recording signals
disc records
detecting
records
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
JP50101446A
Other languages
Japanese (ja)
Other versions
JPS5845094B2 (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 JP50101446A priority Critical patent/JPS5845094B2/en
Publication of JPS5225601A publication Critical patent/JPS5225601A/en
Publication of JPS5845094B2 publication Critical patent/JPS5845094B2/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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

PURPOSE:By detecting the recording grooves of the record with light beams through the means of a guide needle and a mechanical low frequency wave filter, to enhance the reproduction preciseness with simple construction and circuit.
JP50101446A 1975-08-21 1975-08-21 Recording signal detection device for disc records Expired JPS5845094B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50101446A JPS5845094B2 (en) 1975-08-21 1975-08-21 Recording signal detection device for disc records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50101446A JPS5845094B2 (en) 1975-08-21 1975-08-21 Recording signal detection device for disc records

Publications (2)

Publication Number Publication Date
JPS5225601A true JPS5225601A (en) 1977-02-25
JPS5845094B2 JPS5845094B2 (en) 1983-10-07

Family

ID=14300905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50101446A Expired JPS5845094B2 (en) 1975-08-21 1975-08-21 Recording signal detection device for disc records

Country Status (1)

Country Link
JP (1) JPS5845094B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171427A (en) * 1984-09-13 1986-04-12 Hideki Shigeishi Optical reproducing method of sound groove record disc

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171427A (en) * 1984-09-13 1986-04-12 Hideki Shigeishi Optical reproducing method of sound groove record disc

Also Published As

Publication number Publication date
JPS5845094B2 (en) 1983-10-07

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