JPH0215926B2 - - Google Patents

Info

Publication number
JPH0215926B2
JPH0215926B2 JP54057336A JP5733679A JPH0215926B2 JP H0215926 B2 JPH0215926 B2 JP H0215926B2 JP 54057336 A JP54057336 A JP 54057336A JP 5733679 A JP5733679 A JP 5733679A JP H0215926 B2 JPH0215926 B2 JP H0215926B2
Authority
JP
Japan
Prior art keywords
recording medium
signal
track
light beam
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.)
Expired - Lifetime
Application number
JP54057336A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55150137A (en
Inventor
Mitsuro Morya
Masahiro Deguchi
Noboru Wakami
Yasuhiro Goto
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 JP5733679A priority Critical patent/JPS55150137A/ja
Publication of JPS55150137A publication Critical patent/JPS55150137A/ja
Publication of JPH0215926B2 publication Critical patent/JPH0215926B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP5733679A 1979-05-09 1979-05-09 Recorder Granted JPS55150137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5733679A JPS55150137A (en) 1979-05-09 1979-05-09 Recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5733679A JPS55150137A (en) 1979-05-09 1979-05-09 Recorder

Publications (2)

Publication Number Publication Date
JPS55150137A JPS55150137A (en) 1980-11-21
JPH0215926B2 true JPH0215926B2 (OSRAM) 1990-04-13

Family

ID=13052720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5733679A Granted JPS55150137A (en) 1979-05-09 1979-05-09 Recorder

Country Status (1)

Country Link
JP (1) JPS55150137A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826331A (ja) * 1981-08-11 1983-02-16 Nippon Telegr & Teleph Corp <Ntt> 光学ヘツド
JPS5928249A (ja) * 1982-08-05 1984-02-14 Nec Corp 光デイスク装置
JPS5977639A (ja) * 1982-10-25 1984-05-04 Hitachi Ltd 光ディスク記録再生方法
JPH0782649B2 (ja) * 1983-03-11 1995-09-06 株式会社日立製作所 光ビーム精密位置決め装置
JPS61148633A (ja) * 1984-12-21 1986-07-07 Sony Corp ３スポツトトラツキング装置
JPH0746428B2 (ja) * 1985-02-08 1995-05-17 オリンパス光学工業株式会社 光学式ピツクアツプ
JPH01294230A (ja) * 1988-05-20 1989-11-28 Canon Inc 光ディスク装置
JPH0770066B2 (ja) * 1988-10-27 1995-07-31 パイオニア株式会社 光軸モニタ装置
JPH02128216U (OSRAM) * 1989-03-30 1990-10-23

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH585756A5 (en) * 1972-06-29 1977-03-15 Ciba Geigy Ag Substd 7-amino ceph-3-em 4-carboxylic acids - by elimination from the 3-hydroxy or 3-acyloxy cepham analogues

Also Published As

Publication number Publication date
JPS55150137A (en) 1980-11-21

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