JPH0586708B2 - - Google Patents
Info
- Publication number
- JPH0586708B2 JPH0586708B2 JP58177828A JP17782883A JPH0586708B2 JP H0586708 B2 JPH0586708 B2 JP H0586708B2 JP 58177828 A JP58177828 A JP 58177828A JP 17782883 A JP17782883 A JP 17782883A JP H0586708 B2 JPH0586708 B2 JP H0586708B2
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- voltage
- circuit
- signal
- remote
- 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
- 238000001514 detection method Methods 0.000 claims description 16
- 230000003321 amplification Effects 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 238000005375 photometry Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
- 230000035945 sensitivity Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009499 grossing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58177828A JPS6069967A (ja) | 1983-09-26 | 1983-09-26 | Ｃｃｔｖカメラ用レンズの自動絞り制御装置 |
| US06/651,077 US4562477A (en) | 1983-09-26 | 1984-09-17 | Automatic diaphragm control device for use with CCTV camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58177828A JPS6069967A (ja) | 1983-09-26 | 1983-09-26 | Ｃｃｔｖカメラ用レンズの自動絞り制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6069967A JPS6069967A (ja) | 1985-04-20 |
| JPH0586708B2 true JPH0586708B2 (US20100223739A1-20100909-C00005.png) | 1993-12-14 |
Family
ID=16037813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58177828A Granted JPS6069967A (ja) | 1983-09-26 | 1983-09-26 | Ｃｃｔｖカメラ用レンズの自動絞り制御装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4562477A (US20100223739A1-20100909-C00005.png) |
| JP (1) | JPS6069967A (US20100223739A1-20100909-C00005.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6064581A (ja) * | 1983-09-19 | 1985-04-13 | Asahi Seimitsu Kk | 遠隔制御可能なｃｃｔｖカメラ用レンズの自動絞り制御装置 |
| JPS6276975A (ja) * | 1985-09-30 | 1987-04-09 | Asahi Seimitsu Kk | Ｃｃｔｖカメラ用レンズの自動絞りアンプにおける温度補償方法 |
| US4866355A (en) * | 1986-05-23 | 1989-09-12 | Siok Bing | Remote control of panning/tilt head motors |
| JP2001159770A (ja) * | 1999-12-02 | 2001-06-12 | Asahi Precision Co Ltd | Ｃｃｔｖカメラ用レンズの絞り制御装置 |
| JP5087229B2 (ja) * | 2006-03-30 | 2012-12-05 | 富士フイルム株式会社 | 閉回路テレビカメラのレンズ絞り調整装置 |
| JP5269346B2 (ja) * | 2007-05-10 | 2013-08-21 | オリンパスメディカルシステムズ株式会社 | 光源装置及び内視鏡装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118714A (en) * | 1974-07-18 | 1978-10-03 | Canon Kabushiki Kaisha | Light metering system for a photographic camera |
| US4192588A (en) * | 1974-11-09 | 1980-03-11 | Agfa-Gevaert, A.G. | Control system for controlling the diaphragm in a photographic camera |
| US4208110A (en) * | 1976-03-19 | 1980-06-17 | Canon Kabushiki Kaisha | Camera with selectable automatic and manual exposure control |
| DE2628843A1 (de) * | 1976-06-26 | 1977-12-29 | Agfa Gevaert Ag | Kinematografische kamera |
| DE2705104A1 (de) * | 1977-02-08 | 1978-08-10 | Agfa Gevaert Ag | Fotografische oder kinematografische kamera |
| NL7701811A (nl) * | 1977-02-21 | 1978-08-23 | Philips Nv | Televisiekamera voorzien van een diafragma- regeling en een regelbare beeldsignaalver- sterkingsschakeling. |
| JPS53135331A (en) * | 1977-04-28 | 1978-11-25 | Canon Inc | Drive control device for photometric aperture in cine camera or the like |
| US4366501A (en) * | 1978-04-23 | 1982-12-28 | Canon Kabushiki Kaisha | Image recording system |
| JPS54141629A (en) * | 1978-04-27 | 1979-11-05 | Fuji Photo Optical Co Ltd | Program control system of aperture and shutter priority camera |
| JPS5662231A (en) * | 1979-10-26 | 1981-05-28 | Minolta Camera Co Ltd | Control device for diaphragm of camera |
| US4300167A (en) * | 1980-02-07 | 1981-11-10 | Circon Corporation | Automatic iris control system |
| US4408852A (en) * | 1980-12-05 | 1983-10-11 | Olympus Optical Company Ltd. | Automatic exposure controller for camera of TTL direct photometry type |
| JPS57125927A (en) * | 1981-01-30 | 1982-08-05 | Nippon Kogaku Kk <Nikon> | Camera having automatic exposure controller |
| JPS587616A (ja) * | 1981-07-07 | 1983-01-17 | Olympus Optical Co Ltd | カメラの自動露出制御装置 |
| US4399466A (en) * | 1981-12-24 | 1983-08-16 | Calspan Corporation | Dark current compensating lens iris control |
-
1983
- 1983-09-26 JP JP58177828A patent/JPS6069967A/ja active Granted
-
1984
- 1984-09-17 US US06/651,077 patent/US4562477A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4562477A (en) | 1985-12-31 |
| JPS6069967A (ja) | 1985-04-20 |
