JPH0559507B2 - - Google Patents
Info
- Publication number
- JPH0559507B2 JPH0559507B2 JP61045761A JP4576186A JPH0559507B2 JP H0559507 B2 JPH0559507 B2 JP H0559507B2 JP 61045761 A JP61045761 A JP 61045761A JP 4576186 A JP4576186 A JP 4576186A JP H0559507 B2 JPH0559507 B2 JP H0559507B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- comparison voltage
- detection circuit
- memory device
- reproduction
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 30
- 230000003287 optical effect Effects 0.000 claims description 16
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000005374 Kerr effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
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 |
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. |
EP87101642A EP0232867B1 (en) | 1986-02-07 | 1987-02-06 | Optical memory device |
DE8787101642T DE3770283D1 (de) | 1986-02-07 | 1987-02-06 | Optisches speichergeraet. |
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 JPS62202360A (ja) | 1987-09-07 |
JPH0559507B2 true JPH0559507B2 (zh) | 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 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2633417B2 (ja) * | 1991-08-02 | 1997-07-23 | シャープ株式会社 | 光記録媒体駆動装置 |
Citations (3)
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 |
-
1986
- 1986-02-28 JP JP4576186A patent/JPS62202360A/ja active Granted
Patent Citations (3)
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 |
Also Published As
Publication number | Publication date |
---|---|
JPS62202360A (ja) | 1987-09-07 |
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