JPS58161150A - 光ピツクアツプ - Google Patents
光ピツクアツプInfo
- Publication number
- JPS58161150A JPS58161150A JP4388482A JP4388482A JPS58161150A JP S58161150 A JPS58161150 A JP S58161150A JP 4388482 A JP4388482 A JP 4388482A JP 4388482 A JP4388482 A JP 4388482A JP S58161150 A JPS58161150 A JP S58161150A
- Authority
- JP
- Japan
- Prior art keywords
- total reflection
- error signal
- light beam
- plate
- reflection prism
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 210000001685 thyroid gland Anatomy 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 206010041662 Splinter Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4388482A JPS58161150A (ja) | 1982-03-19 | 1982-03-19 | 光ピツクアツプ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4388482A JPS58161150A (ja) | 1982-03-19 | 1982-03-19 | 光ピツクアツプ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58161150A true JPS58161150A (ja) | 1983-09-24 |
| JPS63853B2 JPS63853B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-01-08 |
Family
ID=12676128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4388482A Granted JPS58161150A (ja) | 1982-03-19 | 1982-03-19 | 光ピツクアツプ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58161150A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038740A (ja) * | 1983-08-10 | 1985-02-28 | Canon Inc | 光熱磁気記録体用光ヘツド |
| JPS60193141A (ja) * | 1984-03-14 | 1985-10-01 | Mitsubishi Electric Corp | 光学的焦点ずれ検出装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0362850U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-10-19 | 1991-06-19 |
-
1982
- 1982-03-19 JP JP4388482A patent/JPS58161150A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038740A (ja) * | 1983-08-10 | 1985-02-28 | Canon Inc | 光熱磁気記録体用光ヘツド |
| JPS60193141A (ja) * | 1984-03-14 | 1985-10-01 | Mitsubishi Electric Corp | 光学的焦点ずれ検出装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63853B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-01-08 |