JPS595022U - 光学的情報検出装置 - Google Patents

光学的情報検出装置

Info

Publication number
JPS595022U
JPS595022U JP9753582U JP9753582U JPS595022U JP S595022 U JPS595022 U JP S595022U JP 9753582 U JP9753582 U JP 9753582U JP 9753582 U JP9753582 U JP 9753582U JP S595022 U JPS595022 U JP S595022U
Authority
JP
Japan
Prior art keywords
information
detection device
photoelectric element
photoelectric
signal
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
JP9753582U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0240579Y2 (enrdf_load_stackoverflow
Inventor
宮入　信夫
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.)
Taiheiyo Cement Corp
Original Assignee
Taiheiyo Cement 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 Taiheiyo Cement Corp filed Critical Taiheiyo Cement Corp
Priority to JP9753582U priority Critical patent/JPS595022U/ja
Publication of JPS595022U publication Critical patent/JPS595022U/ja
Application granted granted Critical
Publication of JPH0240579Y2 publication Critical patent/JPH0240579Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP9753582U 1982-06-30 1982-06-30 光学的情報検出装置 Granted JPS595022U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9753582U JPS595022U (ja) 1982-06-30 1982-06-30 光学的情報検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9753582U JPS595022U (ja) 1982-06-30 1982-06-30 光学的情報検出装置

Publications (2)

Publication Number Publication Date
JPS595022U true JPS595022U (ja) 1984-01-13
JPH0240579Y2 JPH0240579Y2 (enrdf_load_stackoverflow) 1990-10-30

Family

ID=30231965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9753582U Granted JPS595022U (ja) 1982-06-30 1982-06-30 光学的情報検出装置

Country Status (1)

Country Link
JP (1) JPS595022U (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04153193A (ja) * 1990-10-01 1992-05-26 Mitsubishi Electric Corp エレベーター乗場ドア装置
JPH04153190A (ja) * 1990-10-01 1992-05-26 Mitsubishi Electric Corp エレベーター乗場ドア装置
JPH04153192A (ja) * 1990-10-01 1992-05-26 Mitsubishi Electric Corp エレベーター乗場ドア装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04153193A (ja) * 1990-10-01 1992-05-26 Mitsubishi Electric Corp エレベーター乗場ドア装置
JPH04153190A (ja) * 1990-10-01 1992-05-26 Mitsubishi Electric Corp エレベーター乗場ドア装置
JPH04153192A (ja) * 1990-10-01 1992-05-26 Mitsubishi Electric Corp エレベーター乗場ドア装置

Also Published As

Publication number Publication date
JPH0240579Y2 (enrdf_load_stackoverflow) 1990-10-30

Similar Documents

Publication Publication Date Title
CA2002381A1 (en) Optical pickup device
JPS595022U (ja) 光学的情報検出装置
JPS6155047B2 (enrdf_load_stackoverflow)
JPS55113139A (en) Optical information reading pickup unit
JPS5960736U (ja) 光検知器
JPS59164936U (ja) 光学記録再生装置におけるフオ−カスエラ−検出装置
JPS6226620U (enrdf_load_stackoverflow)
JPS5641538A (en) Tracking control circuit of optical disk memory unit
JPS59157223U (ja) 光ピツクアツプ装置
JPS59157222U (ja) 光ピツクアツプ装置
JPS5865506U (ja) 光スポツト位置検出回路
JPS58200434A (ja) 光デイスクプレ−ヤのトラツキング誤差信号検出回路
JPH0318255B2 (enrdf_load_stackoverflow)
JPS6155218U (enrdf_load_stackoverflow)
JPS6164622U (enrdf_load_stackoverflow)
JPS6183120U (enrdf_load_stackoverflow)
JPS59125726U (ja) 光学的記録再生装置
JPS60132620U (ja) 光学記録再生装置のビ−ム位置調整装置
JPS6283220U (enrdf_load_stackoverflow)
JPS5887145U (ja) 情報再生装置のトラツク追跡制御信号検出回路
JPS59138024U (ja) 光学的記録再生装置
JPS59138025U (ja) 光学的記録再生装置
JPS6418424U (enrdf_load_stackoverflow)
JPS63263636A (ja) 光学的情報再生装置
KR910020665A (ko) 서보제어회로