JPS62202360A - 光メモリ装置の信号検出回路 - Google Patents

光メモリ装置の信号検出回路

Info

Publication number
JPS62202360A
JPS62202360A JP4576186A JP4576186A JPS62202360A JP S62202360 A JPS62202360 A JP S62202360A JP 4576186 A JP4576186 A JP 4576186A JP 4576186 A JP4576186 A JP 4576186A JP S62202360 A JPS62202360 A JP S62202360A
Authority
JP
Japan
Prior art keywords
signal
comparison voltage
memory device
detection circuit
digital information
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
JP4576186A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0559507B2 (enrdf_load_html_response
Inventor
Hiroshi Fuji
寛 藤
Shigemi Maeda
茂己 前田
Noriaki Sakamoto
坂本　範明
Kunio Kojima
邦男 小嶋
Takeshi Yamaguchi
毅 山口
Shigeo Terajima
寺島　重男
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 JP4576186A priority Critical patent/JPS62202360A/ja
Priority to EP87101642A priority patent/EP0232867B1/en
Priority to DE8787101642T priority patent/DE3770283D1/de
Priority to US07/012,087 priority patent/US4924447A/en
Publication of JPS62202360A publication Critical patent/JPS62202360A/ja
Priority to US07/440,261 priority patent/US4999824A/en
Priority to US07/564,799 priority patent/US5134607A/en
Publication of JPH0559507B2 publication Critical patent/JPH0559507B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
JP4576186A 1986-02-07 1986-02-28 光メモリ装置の信号検出回路 Granted JPS62202360A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP4576186A JPS62202360A (ja) 1986-02-28 1986-02-28 光メモリ装置の信号検出回路
EP87101642A EP0232867B1 (en) 1986-02-07 1987-02-06 Optical memory device
DE8787101642T DE3770283D1 (de) 1986-02-07 1987-02-06 Optisches speichergeraet.
US07/012,087 US4924447A (en) 1986-02-07 1987-02-06 Optical memory device for recording, reproducing or erasing information onto a recording medium, including a recorded region detecting circuit.
US07/440,261 US4999824A (en) 1986-02-07 1989-11-22 Magneto-optical memory device
US07/564,799 US5134607A (en) 1986-02-07 1990-08-09 Optical memory system for generating a timing control signal for detecting a recorded region through a playback signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4576186A JPS62202360A (ja) 1986-02-28 1986-02-28 光メモリ装置の信号検出回路

Publications (2)

Publication Number Publication Date
JPS62202360A true JPS62202360A (ja) 1987-09-07
JPH0559507B2 JPH0559507B2 (enrdf_load_html_response) 1993-08-31

Family

ID=12728275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4576186A Granted JPS62202360A (ja) 1986-02-07 1986-02-28 光メモリ装置の信号検出回路

Country Status (1)

Country Link
JP (1) JPS62202360A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5335214A (en) * 1991-08-02 1994-08-02 Sharp Kabushiki Kaisha Optical recording track access driving apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625215A (en) * 1979-08-06 1981-03-11 Toshiba Corp Data separating circuit
JPS59193567A (ja) * 1983-04-18 1984-11-02 Seiko Instr & Electronics Ltd テ−プデ−タの検出回路
JPS60193171A (ja) * 1984-03-15 1985-10-01 Sony Corp デイジタル信号の再生回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625215A (en) * 1979-08-06 1981-03-11 Toshiba Corp Data separating circuit
JPS59193567A (ja) * 1983-04-18 1984-11-02 Seiko Instr & Electronics Ltd テ−プデ−タの検出回路
JPS60193171A (ja) * 1984-03-15 1985-10-01 Sony Corp デイジタル信号の再生回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5335214A (en) * 1991-08-02 1994-08-02 Sharp Kabushiki Kaisha Optical recording track access driving apparatus

Also Published As

Publication number Publication date
JPH0559507B2 (enrdf_load_html_response) 1993-08-31

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