JPH0728579Y2 - トラッキング誤差検出装置 - Google Patents
トラッキング誤差検出装置Info
- Publication number
- JPH0728579Y2 JPH0728579Y2 JP1987150605U JP15060587U JPH0728579Y2 JP H0728579 Y2 JPH0728579 Y2 JP H0728579Y2 JP 1987150605 U JP1987150605 U JP 1987150605U JP 15060587 U JP15060587 U JP 15060587U JP H0728579 Y2 JPH0728579 Y2 JP H0728579Y2
- Authority
- JP
- Japan
- Prior art keywords
- track
- photodetector
- light receiving
- light
- image
- 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 23
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987150605U JPH0728579Y2 (ja) | 1987-10-01 | 1987-10-01 | トラッキング誤差検出装置 |
| DE3852350T DE3852350T2 (de) | 1987-07-22 | 1988-07-21 | Gerät zur Feststellung der Neigung einer optischen Karte. |
| EP88111783A EP0300481B1 (en) | 1987-07-22 | 1988-07-21 | Apparatus for detecting inclination of optical card |
| AT88111783T ATE115320T1 (de) | 1987-07-22 | 1988-07-21 | Gerät zur feststellung der neigung einer optischen karte. |
| US07/674,308 US5179268A (en) | 1987-07-22 | 1991-03-25 | Apparatus for detecting inclination of an optical card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987150605U JPH0728579Y2 (ja) | 1987-10-01 | 1987-10-01 | トラッキング誤差検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6456018U JPS6456018U (enExample) | 1989-04-06 |
| JPH0728579Y2 true JPH0728579Y2 (ja) | 1995-06-28 |
Family
ID=31423900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987150605U Expired - Lifetime JPH0728579Y2 (ja) | 1987-07-22 | 1987-10-01 | トラッキング誤差検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728579Y2 (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034207A (enExample) * | 1973-07-26 | 1975-04-02 | ||
| JPS5870432A (ja) * | 1981-10-22 | 1983-04-26 | Toshiba Corp | 光学ヘツド |
-
1987
- 1987-10-01 JP JP1987150605U patent/JPH0728579Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6456018U (enExample) | 1989-04-06 |
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