JPS628848B2 - - Google Patents
Info
- Publication number
- JPS628848B2 JPS628848B2 JP8800078A JP8800078A JPS628848B2 JP S628848 B2 JPS628848 B2 JP S628848B2 JP 8800078 A JP8800078 A JP 8800078A JP 8800078 A JP8800078 A JP 8800078A JP S628848 B2 JPS628848 B2 JP S628848B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- focus
- output
- level
- focus lens
- 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
Links
- 230000007423 decrease Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 241001057181 Orcus Species 0.000 claims 1
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000013459 approach Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Automatic Focus Adjustment (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Control Of Position Or Direction (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8800078A JPS5567945A (en) | 1978-07-19 | 1978-07-19 | In-focus detector |
| GB7924345A GB2027881B (en) | 1978-07-19 | 1979-07-12 | In-focus detecting device |
| DE19792929049 DE2929049A1 (de) | 1978-07-19 | 1979-07-18 | Einrichtung zum feststellen der scharfeinstellung |
| US06/058,647 US4286147A (en) | 1978-07-19 | 1979-07-19 | In-focus detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8800078A JPS5567945A (en) | 1978-07-19 | 1978-07-19 | In-focus detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5567945A JPS5567945A (en) | 1980-05-22 |
| JPS628848B2 true JPS628848B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-02-25 |
Family
ID=13930509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8800078A Granted JPS5567945A (en) | 1978-07-19 | 1978-07-19 | In-focus detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5567945A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS586531A (ja) * | 1981-07-01 | 1983-01-14 | Teac Co | 記録又は再生装置 |
-
1978
- 1978-07-19 JP JP8800078A patent/JPS5567945A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5567945A (en) | 1980-05-22 |