JPH0244248Y2 - - Google Patents
Info
- Publication number
- JPH0244248Y2 JPH0244248Y2 JP1984023158U JP2315884U JPH0244248Y2 JP H0244248 Y2 JPH0244248 Y2 JP H0244248Y2 JP 1984023158 U JP1984023158 U JP 1984023158U JP 2315884 U JP2315884 U JP 2315884U JP H0244248 Y2 JPH0244248 Y2 JP H0244248Y2
- Authority
- JP
- Japan
- Prior art keywords
- lens position
- evaluation value
- motor
- drive
- 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
- 238000011156 evaluation Methods 0.000 claims description 54
- 238000005070 sampling Methods 0.000 claims description 28
- 238000012937 correction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Focusing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2315884U JPS60135712U (ja) | 1984-02-20 | 1984-02-20 | 自動焦点カメラ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2315884U JPS60135712U (ja) | 1984-02-20 | 1984-02-20 | 自動焦点カメラ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60135712U JPS60135712U (ja) | 1985-09-09 |
JPH0244248Y2 true JPH0244248Y2 (ko) | 1990-11-26 |
Family
ID=30516139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2315884U Granted JPS60135712U (ja) | 1984-02-20 | 1984-02-20 | 自動焦点カメラ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60135712U (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009257471A (ja) * | 2008-04-16 | 2009-11-05 | Kitz Corp | 電動アクチュエータの制御装置および制御方法 |
US7910868B2 (en) | 2004-11-16 | 2011-03-22 | Citizen Holdings Co., Ltd. | Autofocus device detecting focus point with liquid crystal lens |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0644806B2 (ja) * | 1987-02-18 | 1994-06-08 | 三洋電機株式会社 | オ−トフオ−カス回路 |
JP2005164649A (ja) * | 2003-11-28 | 2005-06-23 | Sunx Ltd | 光学装置及び光電センサ |
JP5866337B2 (ja) * | 2011-03-15 | 2016-02-17 | 富士通フロンテック株式会社 | 撮像装置、撮像方法及び撮像プログラム |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51105722A (ko) * | 1975-03-14 | 1976-09-18 | Yokogawa Electric Works Ltd | |
JPS535649A (en) * | 1976-07-05 | 1978-01-19 | Omron Tateisi Electronics Co | Automatic focusing device |
JPS54158226A (en) * | 1978-04-25 | 1979-12-13 | Polaroid Corp | Method of automatically positioning lens and camera executing same |
JPS55127525A (en) * | 1979-03-27 | 1980-10-02 | Mamiya Koki Kk | Focus detecting system |
JPS5833209A (ja) * | 1981-08-21 | 1983-02-26 | Canon Inc | 自動焦点調節装置 |
JPS599613A (ja) * | 1982-07-08 | 1984-01-19 | Mitsubishi Rayon Co Ltd | 自動焦点調節方法 |
-
1984
- 1984-02-20 JP JP2315884U patent/JPS60135712U/ja active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51105722A (ko) * | 1975-03-14 | 1976-09-18 | Yokogawa Electric Works Ltd | |
JPS535649A (en) * | 1976-07-05 | 1978-01-19 | Omron Tateisi Electronics Co | Automatic focusing device |
JPS54158226A (en) * | 1978-04-25 | 1979-12-13 | Polaroid Corp | Method of automatically positioning lens and camera executing same |
JPS55127525A (en) * | 1979-03-27 | 1980-10-02 | Mamiya Koki Kk | Focus detecting system |
JPS5833209A (ja) * | 1981-08-21 | 1983-02-26 | Canon Inc | 自動焦点調節装置 |
JPS599613A (ja) * | 1982-07-08 | 1984-01-19 | Mitsubishi Rayon Co Ltd | 自動焦点調節方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7910868B2 (en) | 2004-11-16 | 2011-03-22 | Citizen Holdings Co., Ltd. | Autofocus device detecting focus point with liquid crystal lens |
JP2009257471A (ja) * | 2008-04-16 | 2009-11-05 | Kitz Corp | 電動アクチュエータの制御装置および制御方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS60135712U (ja) | 1985-09-09 |
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