JPS6462829A - Optical head position detecting mechanism - Google Patents

Optical head position detecting mechanism

Info

Publication number
JPS6462829A
JPS6462829A JP21947987A JP21947987A JPS6462829A JP S6462829 A JPS6462829 A JP S6462829A JP 21947987 A JP21947987 A JP 21947987A JP 21947987 A JP21947987 A JP 21947987A JP S6462829 A JPS6462829 A JP S6462829A
Authority
JP
Japan
Prior art keywords
optical head
position detecting
detecting element
laser light
light
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
JP21947987A
Other languages
English (en)
Inventor
Osamu Nakamura
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP21947987A priority Critical patent/JPS6462829A/ja
Publication of JPS6462829A publication Critical patent/JPS6462829A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP21947987A 1987-09-01 1987-09-01 Optical head position detecting mechanism Pending JPS6462829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21947987A JPS6462829A (en) 1987-09-01 1987-09-01 Optical head position detecting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21947987A JPS6462829A (en) 1987-09-01 1987-09-01 Optical head position detecting mechanism

Publications (1)

Publication Number Publication Date
JPS6462829A true JPS6462829A (en) 1989-03-09

Family

ID=16736081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21947987A Pending JPS6462829A (en) 1987-09-01 1987-09-01 Optical head position detecting mechanism

Country Status (1)

Country Link
JP (1) JPS6462829A (ja)

Similar Documents

Publication Publication Date Title
KR950006734A (ko) 광학장치
ATE147168T1 (de) Lichtquellen
KR920006745A (ko) 광학식 부호기
ATE80475T1 (de) Photoelektrischer schalter vom reflektionstyp.
EP0371795A3 (en) Optical coupling circuit element
MY113350A (en) Semiconductor laser device to detect a divided reflected light beam
NO910595D0 (no) Antenne.
JPS57179954A (en) Optical type disc player
JPS6411390A (en) Semiconductor laser device
JPS5717909A (en) Distance measuring unit
JPS6427286A (en) Semiconductor device
JPS56156937A (en) Optical pickup device
DE69016560D1 (de) Fotoelektrischer Schalter.
JPS6446242A (en) Optical pickup
JPS6459303A (en) Optical coupling part for optical waveguide and light receiving/emitting element
JPS5771537A (en) Optical pickup device
JPS6427045A (en) Semiconductor device
JPS6417347A (en) Reflection type photoelectric switch
SU1552004A1 (ru) Оптический датчик перемещений объекта
JPS6413236A (en) Optical pickup
JPS6427289A (en) Semiconductor device
JPS6443822A (en) Optical pick-up
JPS57104867A (en) Electromagnetic oscillograph
JPS61240219A (ja) 防塵センサ
JPS57210680A (en) Laser device