DE68907964T2 - Fokussierungssystem für Videokameras und dergleichen. - Google Patents
Fokussierungssystem für Videokameras und dergleichen.Info
- Publication number
- DE68907964T2 DE68907964T2 DE89101904T DE68907964T DE68907964T2 DE 68907964 T2 DE68907964 T2 DE 68907964T2 DE 89101904 T DE89101904 T DE 89101904T DE 68907964 T DE68907964 T DE 68907964T DE 68907964 T2 DE68907964 T2 DE 68907964T2
- Authority
- DE
- Germany
- Prior art keywords
- video cameras
- focusing system
- focusing
- cameras
- video
- 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
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
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
- H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/282—Autofocusing of zoom lenses
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
- Studio Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63063303A JP2656533B2 (ja) | 1988-03-18 | 1988-03-18 | ビデオカメラ |
JP63091452A JPH01264375A (ja) | 1988-04-15 | 1988-04-15 | ビデオカメラ等の焦点合わせ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68907964D1 DE68907964D1 (de) | 1993-09-09 |
DE68907964T2 true DE68907964T2 (de) | 1993-11-11 |
Family
ID=26404398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89101904T Expired - Lifetime DE68907964T2 (de) | 1988-03-18 | 1989-02-03 | Fokussierungssystem für Videokameras und dergleichen. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0334003B1 (de) |
KR (1) | KR920003649B1 (de) |
DE (1) | DE68907964T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013206169A1 (de) * | 2013-04-08 | 2014-10-09 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Digitale Kamera |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5172149A (en) * | 1990-05-23 | 1992-12-15 | Victor Company Of Japan, Ltd. | Drive apparatus and drive control apparatus for optical system of camera |
JPH0473628A (ja) * | 1990-07-13 | 1992-03-09 | Toshiba Corp | 自動焦点合わせ装置 |
JP4072220B2 (ja) * | 1997-06-27 | 2008-04-09 | キヤノン株式会社 | フォーカス操作装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1140566A (en) * | 1965-09-03 | 1969-01-22 | Rank Organisation Ltd | Improvements in or relating to control systems |
DE2544728B1 (de) * | 1975-10-07 | 1977-01-13 | Peter Ing Denz | Bedienungsorgan fuer die Verstellung eines mit einer elektronisch gesteuerten Motor-Getriebe-Einheit ausgeruesteten Aufnahmeobjektives |
US4236794A (en) * | 1979-03-05 | 1980-12-02 | Gordon Gary B | Self-focusing camera apparatus and method |
US4556907A (en) * | 1983-04-15 | 1985-12-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Video camera operating device |
JPH0820582B2 (ja) * | 1986-07-16 | 1996-03-04 | 株式会社ニコン | カメラ |
-
1989
- 1989-02-03 DE DE89101904T patent/DE68907964T2/de not_active Expired - Lifetime
- 1989-02-03 EP EP89101904A patent/EP0334003B1/de not_active Expired - Lifetime
- 1989-02-09 KR KR1019890001478A patent/KR920003649B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013206169A1 (de) * | 2013-04-08 | 2014-10-09 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Digitale Kamera |
Also Published As
Publication number | Publication date |
---|---|
EP0334003A1 (de) | 1989-09-27 |
DE68907964D1 (de) | 1993-09-09 |
KR890015580A (ko) | 1989-10-30 |
KR920003649B1 (ko) | 1992-05-06 |
EP0334003B1 (de) | 1993-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |