JPS58129305A - 光位置検出装置 - Google Patents
光位置検出装置Info
- Publication number
- JPS58129305A JPS58129305A JP1347782A JP1347782A JPS58129305A JP S58129305 A JPS58129305 A JP S58129305A JP 1347782 A JP1347782 A JP 1347782A JP 1347782 A JP1347782 A JP 1347782A JP S58129305 A JPS58129305 A JP S58129305A
- Authority
- JP
- Japan
- Prior art keywords
- output
- amplifier
- peak value
- circuit
- sample hold
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1347782A JPS58129305A (ja) | 1982-01-29 | 1982-01-29 | 光位置検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1347782A JPS58129305A (ja) | 1982-01-29 | 1982-01-29 | 光位置検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58129305A true JPS58129305A (ja) | 1983-08-02 |
JPS6217165B2 JPS6217165B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-04-16 |
Family
ID=11834199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1347782A Granted JPS58129305A (ja) | 1982-01-29 | 1982-01-29 | 光位置検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58129305A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63257801A (ja) * | 1987-04-15 | 1988-10-25 | Matsushita Electric Ind Co Ltd | ル−プ・ゲイン制御装置 |
JPH03226624A (ja) * | 1990-01-31 | 1991-10-07 | Nec Corp | スタースキャナ |
EP0944046A3 (en) * | 1998-03-20 | 2001-11-14 | Pioneer Electronic Corporation | Pre-pit detecting apparatus |
-
1982
- 1982-01-29 JP JP1347782A patent/JPS58129305A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63257801A (ja) * | 1987-04-15 | 1988-10-25 | Matsushita Electric Ind Co Ltd | ル−プ・ゲイン制御装置 |
JPH03226624A (ja) * | 1990-01-31 | 1991-10-07 | Nec Corp | スタースキャナ |
EP0944046A3 (en) * | 1998-03-20 | 2001-11-14 | Pioneer Electronic Corporation | Pre-pit detecting apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS6217165B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-04-16 |