NL6400291A - - Google Patents
Info
- Publication number
- NL6400291A NL6400291A NL6400291A NL6400291A NL6400291A NL 6400291 A NL6400291 A NL 6400291A NL 6400291 A NL6400291 A NL 6400291A NL 6400291 A NL6400291 A NL 6400291A NL 6400291 A NL6400291 A NL 6400291A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G05D3/1409—Control of position or direction using feedback using an analogue comparing device with dc amplifier chain
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/40—Optical focusing aids
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2281/63A GB1080011A (en) | 1963-01-18 | 1963-01-18 | Improvements in or relating to control devices for optical objectives of variable equivalent focal length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6400291A true NL6400291A (xx) | 1964-07-20 |
Family
ID=9736800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6400291A NL6400291A (xx) | 1963-01-18 | 1964-01-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US3399943A (xx) |
| CH (1) | CH411384A (xx) |
| DE (1) | DE1278816B (xx) |
| GB (1) | GB1080011A (xx) |
| NL (1) | NL6400291A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798517A (en) * | 1971-12-22 | 1974-03-19 | Rank Organisation Ltd | Camera lens control mechanism |
| JPS50122209A (xx) * | 1974-02-18 | 1975-09-25 | ||
| US5353081A (en) * | 1993-05-27 | 1994-10-04 | Eastman Kodak Company | Camera element position detecting assemblage |
| US5406417A (en) * | 1993-06-08 | 1995-04-11 | Hughes Aircraft Company | Differential pneumatic pressure zoom lens drive |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3118354A (en) * | 1964-01-21 | Photographic type composition | ||
| US1128460A (en) * | 1913-07-29 | 1915-02-16 | Charles Schmidborn | Speed-adjuster for motion-picture machines. |
| AT209069B (de) * | 1959-01-08 | 1960-05-10 | Eumig | Einstellgetriebe für ein Objektiv |
| AT215695B (de) * | 1959-02-03 | 1961-06-12 | Zeiss Carl Fa | Photographisches Objektiv mit kontinuierlich veränderlicher Brennweite |
| DE1833097U (de) * | 1961-03-10 | 1961-06-15 | Zeiss Carl Fa | Fernsehaufnahmekammer. |
| GB989904A (en) * | 1962-09-12 | 1965-04-22 | Evershed Vignoles Ltd | Improvements relating to optical systems |
-
1963
- 1963-01-18 GB GB2281/63A patent/GB1080011A/en not_active Expired
-
1964
- 1964-01-16 NL NL6400291A patent/NL6400291A/xx unknown
- 1964-01-16 US US338147A patent/US3399943A/en not_active Expired - Lifetime
- 1964-01-17 DE DER36990A patent/DE1278816B/de active Pending
- 1964-01-20 CH CH58664A patent/CH411384A/fr unknown
-
1968
- 1968-06-26 US US740206A patent/US3558217A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3558217A (en) | 1971-01-26 |
| CH411384A (fr) | 1966-04-15 |
| GB1080011A (en) | 1967-08-23 |
| US3399943A (en) | 1968-09-03 |
| DE1278816B (de) | 1968-09-26 |