JPH01133383U - - Google Patents

Info

Publication number
JPH01133383U
JPH01133383U JP2654388U JP2654388U JPH01133383U JP H01133383 U JPH01133383 U JP H01133383U JP 2654388 U JP2654388 U JP 2654388U JP 2654388 U JP2654388 U JP 2654388U JP H01133383 U JPH01133383 U JP H01133383U
Authority
JP
Japan
Prior art keywords
light beam
reflected
disk surface
photodetector
guided
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.)
Pending
Application number
JP2654388U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP2654388U priority Critical patent/JPH01133383U/ja
Publication of JPH01133383U publication Critical patent/JPH01133383U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2654388U 1988-02-29 1988-02-29 Pending JPH01133383U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2654388U JPH01133383U (OSRAM) 1988-02-29 1988-02-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2654388U JPH01133383U (OSRAM) 1988-02-29 1988-02-29

Publications (1)

Publication Number Publication Date
JPH01133383U true JPH01133383U (OSRAM) 1989-09-11

Family

ID=31248266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2654388U Pending JPH01133383U (OSRAM) 1988-02-29 1988-02-29

Country Status (1)

Country Link
JP (1) JPH01133383U (OSRAM)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6289247A (ja) * 1985-10-16 1987-04-23 Oki Electric Ind Co Ltd 光デイスクメモリ装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6289247A (ja) * 1985-10-16 1987-04-23 Oki Electric Ind Co Ltd 光デイスクメモリ装置

Similar Documents

Publication Publication Date Title
EP0379363A3 (en) Optical head device for use in optical disk system
EP0326354A3 (en) Apparatus for reading information out of an optical recording medium
CA2278416A1 (en) Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk
JPH11154345A (ja) 光ピックアップ装置及びその方法
JPH01133383U (OSRAM)
JP2541052Y2 (ja) 光学ヘッド
CA2014534C (en) Optical head
JPH0220819U (OSRAM)
JPH0433552Y2 (OSRAM)
JPS6313418U (OSRAM)
JPS61140430U (OSRAM)
JPS58196631A (ja) 情報記録再生装置
JPS62175425U (OSRAM)
JPH025113U (OSRAM)
JPH025119U (OSRAM)
JPH01159213U (OSRAM)
JPS61140429U (OSRAM)
JPS6344216U (OSRAM)
JPH0280317U (OSRAM)
JPS648227U (OSRAM)
JPH01177427U (OSRAM)
JPH0567918U (ja) 光学ヘッド装置
JPS63153323U (OSRAM)
JPS6016330U (ja) レ−ザデイスクプレ−ヤシステム用ピツクアツプ装置
JPS6332312U (OSRAM)