JPH0292819U - - Google Patents
Info
- Publication number
- JPH0292819U JPH0292819U JP161489U JP161489U JPH0292819U JP H0292819 U JPH0292819 U JP H0292819U JP 161489 U JP161489 U JP 161489U JP 161489 U JP161489 U JP 161489U JP H0292819 U JPH0292819 U JP H0292819U
- Authority
- JP
- Japan
- Prior art keywords
- output
- time constant
- discharge time
- hold
- setting
- 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 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989001614U JP2542463Y2 (ja) | 1989-01-12 | 1989-01-12 | デイスクの傷検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989001614U JP2542463Y2 (ja) | 1989-01-12 | 1989-01-12 | デイスクの傷検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0292819U true JPH0292819U (enExample) | 1990-07-24 |
| JP2542463Y2 JP2542463Y2 (ja) | 1997-07-30 |
Family
ID=31201650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989001614U Expired - Lifetime JP2542463Y2 (ja) | 1989-01-12 | 1989-01-12 | デイスクの傷検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2542463Y2 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6032133A (ja) * | 1983-08-02 | 1985-02-19 | Toshiba Corp | 光学式デイスクレコ−ド再生装置のフオ−カス調整回路 |
| JPS61117737A (ja) * | 1984-11-13 | 1986-06-05 | Pioneer Electronic Corp | フオ−カスサ−ボ装置 |
-
1989
- 1989-01-12 JP JP1989001614U patent/JP2542463Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6032133A (ja) * | 1983-08-02 | 1985-02-19 | Toshiba Corp | 光学式デイスクレコ−ド再生装置のフオ−カス調整回路 |
| JPS61117737A (ja) * | 1984-11-13 | 1986-06-05 | Pioneer Electronic Corp | フオ−カスサ−ボ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2542463Y2 (ja) | 1997-07-30 |
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