JPH02139531A - 自動焦点調節装置 - Google Patents
自動焦点調節装置Info
- Publication number
- JPH02139531A JPH02139531A JP23811889A JP23811889A JPH02139531A JP H02139531 A JPH02139531 A JP H02139531A JP 23811889 A JP23811889 A JP 23811889A JP 23811889 A JP23811889 A JP 23811889A JP H02139531 A JPH02139531 A JP H02139531A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- switch
- distance
- adr
- turned
- 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 description 14
- 230000010355 oscillation Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 244000126211 Hericium coralloides Species 0.000 description 3
- 101001056394 Homo sapiens Myelodysplastic syndrome 2 translocation-associated protein Proteins 0.000 description 3
- 102100026313 Myelodysplastic syndrome 2 translocation-associated protein Human genes 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 241000252229 Carassius auratus Species 0.000 description 2
- 241001673669 Porcine circovirus 2 Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 101100220616 Caenorhabditis elegans chk-2 gene Proteins 0.000 description 1
- 206010011878 Deafness Diseases 0.000 description 1
- 102100024841 Protein BRICK1 Human genes 0.000 description 1
- 101710084314 Protein BRICK1 Proteins 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 231100000895 deafness Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23811889A JPH02139531A (ja) | 1989-09-13 | 1989-09-13 | 自動焦点調節装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23811889A JPH02139531A (ja) | 1989-09-13 | 1989-09-13 | 自動焦点調節装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57175181A Division JPS5964816A (ja) | 1982-10-05 | 1982-10-05 | レンズ鏡筒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02139531A true JPH02139531A (ja) | 1990-05-29 |
| JPH0459620B2 JPH0459620B2 (enrdf_load_stackoverflow) | 1992-09-22 |
Family
ID=17025450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23811889A Granted JPH02139531A (ja) | 1989-09-13 | 1989-09-13 | 自動焦点調節装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139531A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013228571A (ja) * | 2012-04-26 | 2013-11-07 | Canon Inc | レンズ装置、撮像システム、撮像装置および制御方法 |
-
1989
- 1989-09-13 JP JP23811889A patent/JPH02139531A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013228571A (ja) * | 2012-04-26 | 2013-11-07 | Canon Inc | レンズ装置、撮像システム、撮像装置および制御方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0459620B2 (enrdf_load_stackoverflow) | 1992-09-22 |
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