JPS55122240A - Optical recording and reproducing device - Google Patents

Optical recording and reproducing device

Info

Publication number
JPS55122240A
JPS55122240A JP2718179A JP2718179A JPS55122240A JP S55122240 A JPS55122240 A JP S55122240A JP 2718179 A JP2718179 A JP 2718179A JP 2718179 A JP2718179 A JP 2718179A JP S55122240 A JPS55122240 A JP S55122240A
Authority
JP
Japan
Prior art keywords
amplifier
reproducing
recording
conductive
switch
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
JP2718179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6136292B2 (enrdf_load_stackoverflow
Inventor
Akira Ichinose
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 JP2718179A priority Critical patent/JPS55122240A/ja
Publication of JPS55122240A publication Critical patent/JPS55122240A/ja
Publication of JPS6136292B2 publication Critical patent/JPS6136292B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP2718179A 1979-03-07 1979-03-07 Optical recording and reproducing device Granted JPS55122240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2718179A JPS55122240A (en) 1979-03-07 1979-03-07 Optical recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2718179A JPS55122240A (en) 1979-03-07 1979-03-07 Optical recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS55122240A true JPS55122240A (en) 1980-09-19
JPS6136292B2 JPS6136292B2 (enrdf_load_stackoverflow) 1986-08-18

Family

ID=12213899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2718179A Granted JPS55122240A (en) 1979-03-07 1979-03-07 Optical recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS55122240A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840878A (ja) * 1981-09-04 1983-03-09 Hitachi Ltd ディジタル光ディスク用半導体レーザの駆動装置
FR2514540A1 (fr) * 1981-10-08 1983-04-15 Sony Corp Appareil d'enregistrement optique
JPS58158051A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光学的記録再生装置
JPS61248243A (ja) * 1985-04-25 1986-11-05 Sony Corp 光学記録再生装置
US4742505A (en) * 1984-11-21 1988-05-03 Olympus Optical Company Limited Optical information recording and reproducing memory system
US4858219A (en) * 1984-11-20 1989-08-15 Olympus Optical Company Limited Optical information recording reproducing memory system with both power control and optical irradiation inhibiting circuit
US5699343A (en) * 1995-03-30 1997-12-16 Fujitsu Limited Disk apparatus
JPH1069664A (ja) * 1997-08-01 1998-03-10 Sony Corp レーザパワー調整装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115315428A (zh) 2020-04-01 2022-11-08 优美科股份公司及两合公司 金属有机化合物

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840878A (ja) * 1981-09-04 1983-03-09 Hitachi Ltd ディジタル光ディスク用半導体レーザの駆動装置
FR2514540A1 (fr) * 1981-10-08 1983-04-15 Sony Corp Appareil d'enregistrement optique
JPS58158051A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光学的記録再生装置
US4858219A (en) * 1984-11-20 1989-08-15 Olympus Optical Company Limited Optical information recording reproducing memory system with both power control and optical irradiation inhibiting circuit
US4742505A (en) * 1984-11-21 1988-05-03 Olympus Optical Company Limited Optical information recording and reproducing memory system
JPS61248243A (ja) * 1985-04-25 1986-11-05 Sony Corp 光学記録再生装置
US5699343A (en) * 1995-03-30 1997-12-16 Fujitsu Limited Disk apparatus
JPH1069664A (ja) * 1997-08-01 1998-03-10 Sony Corp レーザパワー調整装置

Also Published As

Publication number Publication date
JPS6136292B2 (enrdf_load_stackoverflow) 1986-08-18

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