JPS6456018U - - Google Patents
Info
- Publication number
- JPS6456018U JPS6456018U JP15060587U JP15060587U JPS6456018U JP S6456018 U JPS6456018 U JP S6456018U JP 15060587 U JP15060587 U JP 15060587U JP 15060587 U JP15060587 U JP 15060587U JP S6456018 U JPS6456018 U JP S6456018U
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- light
- receiving section
- error detection
- detection device
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
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 |
| AT88111783T ATE115320T1 (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 |
| DE3852350T DE3852350T2 (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 true JPS6456018U (enrdf_load_stackoverflow) | 1989-04-06 |
| JPH0728579Y2 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 (enrdf_load_stackoverflow) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034207A (enrdf_load_stackoverflow) * | 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
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034207A (enrdf_load_stackoverflow) * | 1973-07-26 | 1975-04-02 | ||
| JPS5870432A (ja) * | 1981-10-22 | 1983-04-26 | Toshiba Corp | 光学ヘツド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0728579Y2 (ja) | 1995-06-28 |
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