JPS5267302A - Optical recording and reproduction device - Google Patents

Optical recording and reproduction device

Info

Publication number
JPS5267302A
JPS5267302A JP50143634A JP14363475A JPS5267302A JP S5267302 A JPS5267302 A JP S5267302A JP 50143634 A JP50143634 A JP 50143634A JP 14363475 A JP14363475 A JP 14363475A JP S5267302 A JPS5267302 A JP S5267302A
Authority
JP
Japan
Prior art keywords
optical recording
reproduction device
recording
recording medium
tec
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
JP50143634A
Other languages
Japanese (ja)
Other versions
JPS6057135B2 (en
Inventor
Akifumi Nakada
Tomio Yoshida
Shiro Tsuji
Hideo Okamura
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 JP50143634A priority Critical patent/JPS6057135B2/en
Publication of JPS5267302A publication Critical patent/JPS5267302A/en
Publication of JPS6057135B2 publication Critical patent/JPS6057135B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)

Abstract

PURPOSE: To prevent false recording or damaging, tec. of recording materials occuring during operation of the device by electrically detecting the rotating speeds of a recording medium and controlling the radiation light to the recording medium with the rotating speed thus detected.
COPYRIGHT: (C)1977,JPO&Japio
JP50143634A 1975-12-01 1975-12-01 optical recording and reproducing device Expired JPS6057135B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50143634A JPS6057135B2 (en) 1975-12-01 1975-12-01 optical recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50143634A JPS6057135B2 (en) 1975-12-01 1975-12-01 optical recording and reproducing device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP61199645A Division JPS6278741A (en) 1986-08-26 1986-08-26 Optical recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS5267302A true JPS5267302A (en) 1977-06-03
JPS6057135B2 JPS6057135B2 (en) 1985-12-13

Family

ID=15343310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50143634A Expired JPS6057135B2 (en) 1975-12-01 1975-12-01 optical recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS6057135B2 (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150144A (en) * 1981-03-10 1982-09-16 Matsushita Electric Ind Co Ltd Optical recorder and reproducer
JPS5968843A (en) * 1982-10-13 1984-04-18 Canon Inc Optical information reproducer
US4499571A (en) * 1981-05-01 1985-02-12 Tokyo Shibaura Denki Kabushiki Optical disk system with laser safety arrangement
JPS60201533A (en) * 1984-03-24 1985-10-12 Sony Corp Optical disc reproducing device
JPS61158034A (en) * 1984-12-29 1986-07-17 Canon Inc Device for optical information recording and reproducing
JPS61242337A (en) * 1985-04-19 1986-10-28 Canon Inc Optical information recording and reproducing device
JPS61242338A (en) * 1985-04-19 1986-10-28 Canon Inc Optical information recording and reproducing device
JPS61283032A (en) * 1985-06-07 1986-12-13 Canon Inc Optical information recording and reproducing device
JPS6240659A (en) * 1985-08-16 1987-02-21 Canon Electronics Inc Disk device
JPS6278741A (en) * 1986-08-26 1987-04-11 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS63237241A (en) * 1987-03-25 1988-10-03 Hitachi Ltd Magneto-optical disk device
US4912697A (en) * 1984-12-29 1990-03-27 Canon Kabushiki Kaisha Apparatus and method for preventing recording errors due to a reduction in the relative speed between an information carrying light beam and a recording medium
US5258878A (en) * 1982-10-19 1993-11-02 Nikon Corporation Electronic still camera with recording disk and recording control
JP2002074855A (en) * 2000-09-04 2002-03-15 Sony Corp Disk shaped recording medium and disk driving device
WO2002061738A1 (en) * 2001-01-31 2002-08-08 Sanyo Electric Co.,Ltd. Disc drive

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639787U (en) * 1986-07-04 1988-01-22

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0243256B2 (en) * 1981-03-10 1990-09-27
JPS57150144A (en) * 1981-03-10 1982-09-16 Matsushita Electric Ind Co Ltd Optical recorder and reproducer
US4499571A (en) * 1981-05-01 1985-02-12 Tokyo Shibaura Denki Kabushiki Optical disk system with laser safety arrangement
JPS5968843A (en) * 1982-10-13 1984-04-18 Canon Inc Optical information reproducer
US5258878A (en) * 1982-10-19 1993-11-02 Nikon Corporation Electronic still camera with recording disk and recording control
JPS60201533A (en) * 1984-03-24 1985-10-12 Sony Corp Optical disc reproducing device
JPH058496B2 (en) * 1984-03-24 1993-02-02 Sony Corp
JPS61158034A (en) * 1984-12-29 1986-07-17 Canon Inc Device for optical information recording and reproducing
US4912697A (en) * 1984-12-29 1990-03-27 Canon Kabushiki Kaisha Apparatus and method for preventing recording errors due to a reduction in the relative speed between an information carrying light beam and a recording medium
JPS61242338A (en) * 1985-04-19 1986-10-28 Canon Inc Optical information recording and reproducing device
JPS61242337A (en) * 1985-04-19 1986-10-28 Canon Inc Optical information recording and reproducing device
JPS61283032A (en) * 1985-06-07 1986-12-13 Canon Inc Optical information recording and reproducing device
JPS6240659A (en) * 1985-08-16 1987-02-21 Canon Electronics Inc Disk device
JPH0535503B2 (en) * 1985-08-16 1993-05-26 Canon Denshi Kk
JPS6278741A (en) * 1986-08-26 1987-04-11 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS63237241A (en) * 1987-03-25 1988-10-03 Hitachi Ltd Magneto-optical disk device
JP2002074855A (en) * 2000-09-04 2002-03-15 Sony Corp Disk shaped recording medium and disk driving device
WO2002061738A1 (en) * 2001-01-31 2002-08-08 Sanyo Electric Co.,Ltd. Disc drive

Also Published As

Publication number Publication date
JPS6057135B2 (en) 1985-12-13

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