JPS5350707A - Optical record reproducing apparatus - Google Patents

Optical record reproducing apparatus

Info

Publication number
JPS5350707A
JPS5350707A JP12531576A JP12531576A JPS5350707A JP S5350707 A JPS5350707 A JP S5350707A JP 12531576 A JP12531576 A JP 12531576A JP 12531576 A JP12531576 A JP 12531576A JP S5350707 A JPS5350707 A JP S5350707A
Authority
JP
Japan
Prior art keywords
reproducing apparatus
optical record
record reproducing
informations
recording
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
JP12531576A
Other languages
Japanese (ja)
Other versions
JPS5845096B2 (en
Inventor
Toshio Sato
Tomio Yoshida
Akifumi Nakada
Shunji Harikae
Yasuhisa Fukushima
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 JP51125315A priority Critical patent/JPS5845096B2/en
Publication of JPS5350707A publication Critical patent/JPS5350707A/en
Publication of JPS5845096B2 publication Critical patent/JPS5845096B2/en
Expired legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To properly carry out the record/reproduction of informations, by detecting the recorded informations when recording the informations so as to remove the energy difference of the recording light beam according to the difference in the rotating speed and frequency between the outer and inner circumferences.
COPYRIGHT: (C)1978,JPO&Japio
JP51125315A 1976-10-18 1976-10-18 optical recording and reproducing device Expired JPS5845096B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51125315A JPS5845096B2 (en) 1976-10-18 1976-10-18 optical recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51125315A JPS5845096B2 (en) 1976-10-18 1976-10-18 optical recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS5350707A true JPS5350707A (en) 1978-05-09
JPS5845096B2 JPS5845096B2 (en) 1983-10-07

Family

ID=14907053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51125315A Expired JPS5845096B2 (en) 1976-10-18 1976-10-18 optical recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS5845096B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58169336A (en) * 1982-03-31 1983-10-05 Hitachi Ltd Optical disc device
JPS61239441A (en) * 1985-04-16 1986-10-24 Olympus Optical Co Ltd Optical information recording and reproducing device
JPH0421969A (en) * 1990-05-16 1992-01-24 Hitachi Ltd Information recording/reproducing device and copy system
US7542394B2 (en) 2004-06-24 2009-06-02 Taiyo Yuden Co., Ltd. Optical information recording device for detecting information during recording and method therefor
US7633844B2 (en) 2005-02-21 2009-12-15 Taiyo Yuden Co., Ltd. Optical information recording apparatus, optical information recording method, and signal processing circuit
US7693015B2 (en) 2004-11-18 2010-04-06 Taiyo Yuden, Co., Ltd. Optical information recording device, optical information recording method, and signal processing circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134705A (en) * 1976-05-06 1977-11-11 Teac Co Optical recorder/reproducer unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134705A (en) * 1976-05-06 1977-11-11 Teac Co Optical recorder/reproducer unit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58169336A (en) * 1982-03-31 1983-10-05 Hitachi Ltd Optical disc device
JPS61239441A (en) * 1985-04-16 1986-10-24 Olympus Optical Co Ltd Optical information recording and reproducing device
JPH0421969A (en) * 1990-05-16 1992-01-24 Hitachi Ltd Information recording/reproducing device and copy system
US7542394B2 (en) 2004-06-24 2009-06-02 Taiyo Yuden Co., Ltd. Optical information recording device for detecting information during recording and method therefor
US7693015B2 (en) 2004-11-18 2010-04-06 Taiyo Yuden, Co., Ltd. Optical information recording device, optical information recording method, and signal processing circuit
US7633844B2 (en) 2005-02-21 2009-12-15 Taiyo Yuden Co., Ltd. Optical information recording apparatus, optical information recording method, and signal processing circuit

Also Published As

Publication number Publication date
JPS5845096B2 (en) 1983-10-07

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