JPH0418249B2 - - Google Patents
Info
- Publication number
- JPH0418249B2 JPH0418249B2 JP60211316A JP21131685A JPH0418249B2 JP H0418249 B2 JPH0418249 B2 JP H0418249B2 JP 60211316 A JP60211316 A JP 60211316A JP 21131685 A JP21131685 A JP 21131685A JP H0418249 B2 JPH0418249 B2 JP H0418249B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- position detecting
- optical system
- detecting means
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 58
- 238000001514 detection method Methods 0.000 claims description 38
- 239000013307 optical fiber Substances 0.000 claims description 23
- 238000010586 diagram Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Automatic Focus Adjustment (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60211316A JPS6270710A (ja) | 1985-09-25 | 1985-09-25 | 反射型光電スイッチ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60211316A JPS6270710A (ja) | 1985-09-25 | 1985-09-25 | 反射型光電スイッチ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6270710A JPS6270710A (ja) | 1987-04-01 |
JPH0418249B2 true JPH0418249B2 (US20080094685A1-20080424-C00004.png) | 1992-03-27 |
Family
ID=16603925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60211316A Granted JPS6270710A (ja) | 1985-09-25 | 1985-09-25 | 反射型光電スイッチ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6270710A (US20080094685A1-20080424-C00004.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2683927B2 (ja) * | 1988-12-22 | 1997-12-03 | キヤノン株式会社 | 記録装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58179828A (ja) * | 1982-04-15 | 1983-10-21 | Canon Inc | 能動型オートフォーカス装置 |
-
1985
- 1985-09-25 JP JP60211316A patent/JPS6270710A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58179828A (ja) * | 1982-04-15 | 1983-10-21 | Canon Inc | 能動型オートフォーカス装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6270710A (ja) | 1987-04-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |