NL6612492A - - Google Patents
Info
- Publication number
- NL6612492A NL6612492A NL6612492A NL6612492A NL6612492A NL 6612492 A NL6612492 A NL 6612492A NL 6612492 A NL6612492 A NL 6612492A NL 6612492 A NL6612492 A NL 6612492A NL 6612492 A NL6612492 A NL 6612492A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
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- 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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1445—Control of position or direction using feedback using an analogue comparing device with a plurality of loops
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1472—Control of position or direction using feedback using an analogue comparing device with potentiometer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB37663/65A GB1140566A (en) | 1965-09-03 | 1965-09-03 | Improvements in or relating to control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6612492A true NL6612492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-03-06 |
Family
ID=10398087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6612492A NL6612492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-09-03 | 1966-09-05 |
Country Status (4)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1328487A (en) * | 1971-02-09 | 1973-08-30 | Rank Organisation Ltd | Camera lens control mechanism |
| US3798517A (en) * | 1971-12-22 | 1974-03-19 | Rank Organisation Ltd | Camera lens control mechanism |
| US4161756A (en) * | 1976-03-19 | 1979-07-17 | Jos. Schneider & Co. Optische Werke | Control system for varifocal objective |
| DE68907964T2 (de) * | 1988-03-18 | 1993-11-11 | Hitachi Ltd | Fokussierungssystem für Videokameras und dergleichen. |
| US5408332A (en) * | 1988-03-18 | 1995-04-18 | Hitachi, Ltd. | Focusing apparatus for video camera or the like |
| US5148199A (en) * | 1990-02-08 | 1992-09-15 | Asahi Kogaku Kogyo Kabushiki Kaisha | Motor-driven zoom lens barrel |
| US9338363B1 (en) | 2014-11-06 | 2016-05-10 | General Electric Company | Method and system for magnification correction from multiple focus planes |
-
1965
- 1965-09-03 GB GB37663/65A patent/GB1140566A/en not_active Expired
-
1966
- 1966-09-02 DE DE19661522255 patent/DE1522255A1/de active Pending
- 1966-09-05 NL NL6612492A patent/NL6612492A/xx unknown
- 1966-09-06 US US608235A patent/US3548731A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1522255A1 (de) | 1969-12-04 |
| GB1140566A (en) | 1969-01-22 |
| US3548731A (en) | 1970-12-22 |