JPH0554180B2 - - Google Patents

Info

Publication number
JPH0554180B2
JPH0554180B2 JP62204436A JP20443687A JPH0554180B2 JP H0554180 B2 JPH0554180 B2 JP H0554180B2 JP 62204436 A JP62204436 A JP 62204436A JP 20443687 A JP20443687 A JP 20443687A JP H0554180 B2 JPH0554180 B2 JP H0554180B2
Authority
JP
Japan
Prior art keywords
light
receiving element
light receiving
divided
circuit
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
JP62204436A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6448234A (en
Inventor
Shuzo Nishida
Hidenori Minoda
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP20443687A priority Critical patent/JPS6448234A/ja
Publication of JPS6448234A publication Critical patent/JPS6448234A/ja
Publication of JPH0554180B2 publication Critical patent/JPH0554180B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP20443687A 1987-08-17 1987-08-17 Device for reproducing optical disk Granted JPS6448234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20443687A JPS6448234A (en) 1987-08-17 1987-08-17 Device for reproducing optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20443687A JPS6448234A (en) 1987-08-17 1987-08-17 Device for reproducing optical disk

Publications (2)

Publication Number Publication Date
JPS6448234A JPS6448234A (en) 1989-02-22
JPH0554180B2 true JPH0554180B2 (enrdf_load_stackoverflow) 1993-08-11

Family

ID=16490505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20443687A Granted JPS6448234A (en) 1987-08-17 1987-08-17 Device for reproducing optical disk

Country Status (1)

Country Link
JP (1) JPS6448234A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5888842A (ja) * 1981-11-24 1983-05-27 Ricoh Co Ltd 受光素子
JPS5982337U (ja) * 1982-11-22 1984-06-04 ソニー株式会社 光学式ピツクアツプ

Also Published As

Publication number Publication date
JPS6448234A (en) 1989-02-22

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