JPH0473222B2 - - Google Patents
Info
- Publication number
- JPH0473222B2 JPH0473222B2 JP59120396A JP12039684A JPH0473222B2 JP H0473222 B2 JPH0473222 B2 JP H0473222B2 JP 59120396 A JP59120396 A JP 59120396A JP 12039684 A JP12039684 A JP 12039684A JP H0473222 B2 JPH0473222 B2 JP H0473222B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- track
- section
- optical disk
- light beam
- 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
- 230000003287 optical effect Effects 0.000 claims description 60
- 238000001514 detection method Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 1
- 238000003708 edge detection Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12039684A JPS61933A (ja) | 1984-06-12 | 1984-06-12 | 光学式ディスクプレーヤ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12039684A JPS61933A (ja) | 1984-06-12 | 1984-06-12 | 光学式ディスクプレーヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61933A JPS61933A (ja) | 1986-01-06 |
JPH0473222B2 true JPH0473222B2 (US20100056889A1-20100304-C00004.png) | 1992-11-20 |
Family
ID=14785170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12039684A Granted JPS61933A (ja) | 1984-06-12 | 1984-06-12 | 光学式ディスクプレーヤ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61933A (US20100056889A1-20100304-C00004.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH067411B2 (ja) * | 1984-06-15 | 1994-01-26 | 松下電器産業株式会社 | トラツク検索装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58199469A (ja) * | 1982-05-14 | 1983-11-19 | Matsushita Electric Ind Co Ltd | 円盤状記録媒体を使用した記録再生装置 |
JPS5938973A (ja) * | 1982-08-28 | 1984-03-03 | Sony Corp | デイスク再生装置 |
-
1984
- 1984-06-12 JP JP12039684A patent/JPS61933A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58199469A (ja) * | 1982-05-14 | 1983-11-19 | Matsushita Electric Ind Co Ltd | 円盤状記録媒体を使用した記録再生装置 |
JPS5938973A (ja) * | 1982-08-28 | 1984-03-03 | Sony Corp | デイスク再生装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS61933A (ja) | 1986-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |