JPS6149728B2 - - Google Patents

Info

Publication number
JPS6149728B2
JPS6149728B2 JP56081970A JP8197081A JPS6149728B2 JP S6149728 B2 JPS6149728 B2 JP S6149728B2 JP 56081970 A JP56081970 A JP 56081970A JP 8197081 A JP8197081 A JP 8197081A JP S6149728 B2 JPS6149728 B2 JP S6149728B2
Authority
JP
Japan
Prior art keywords
detectors
light
detector
divided
sides
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
Application number
JP56081970A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57198547A (en
Inventor
Kaneki Matsui
Haruhisa Takiguchi
Yukio Kurata
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 JP8197081A priority Critical patent/JPS57198547A/ja
Publication of JPS57198547A publication Critical patent/JPS57198547A/ja
Publication of JPS6149728B2 publication Critical patent/JPS6149728B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP8197081A 1981-05-28 1981-05-28 Optical information processor Granted JPS57198547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8197081A JPS57198547A (en) 1981-05-28 1981-05-28 Optical information processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8197081A JPS57198547A (en) 1981-05-28 1981-05-28 Optical information processor

Publications (2)

Publication Number Publication Date
JPS57198547A JPS57198547A (en) 1982-12-06
JPS6149728B2 true JPS6149728B2 (en]) 1986-10-30

Family

ID=13761346

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8197081A Granted JPS57198547A (en) 1981-05-28 1981-05-28 Optical information processor

Country Status (1)

Country Link
JP (1) JPS57198547A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870434A (ja) * 1981-10-22 1983-04-26 Toshiba Corp 光学ヘツド
JPS59215029A (ja) * 1983-05-20 1984-12-04 Sankyo Seiki Mfg Co Ltd 光学情報再生装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5644126A (en) * 1979-09-19 1981-04-23 Sony Corp Optical signal head

Also Published As

Publication number Publication date
JPS57198547A (en) 1982-12-06

Similar Documents

Publication Publication Date Title
JP2902415B2 (ja) 光学ヘッド
JPH0345456B2 (en])
US5313441A (en) Optical recording and reproducing apparatus having a pickup head including a main prism with reflecting surfaces for splitting the reflected beam
JP2672618B2 (ja) 光情報記録再生装置
JPS6149728B2 (en])
JPS61220147A (ja) 光学ヘツド
JPH0311007B2 (en])
JP2660523B2 (ja) 光記録再生装置
JP2656036B2 (ja) 光ヘツド
JP3443839B2 (ja) 光磁気ディスク装置及び誘電体光路部材
JPS6223373B2 (en])
JP2563261B2 (ja) 光学的情報記録再生装置
JPS6145419A (ja) 光ピツクアツプ
JPS61283035A (ja) 光学式記録再生装置
JPS637948Y2 (en])
JPH11203701A (ja) 偏向ミラーの回転角度検出機構
JPS63282930A (ja) 情報処理装置
JPH076401A (ja) 光学的書き込み読み取り装置
JPS641858B2 (en])
JPS605431A (ja) 情報記録媒体の傾き検出方式
JPS5828654B2 (ja) 光学的記録再生機の間隔検出装置
JPH0289235A (ja) 光ヘッド
JPS5828655B2 (ja) 光学的記録再生機の間隔検出装置
JPH04245038A (ja) 光学的情報記録装置
JPS5914134A (ja) 光デイスク装置