NL6400867A - - Google Patents
Info
- Publication number
- NL6400867A NL6400867A NL6400867A NL6400867A NL6400867A NL 6400867 A NL6400867 A NL 6400867A NL 6400867 A NL6400867 A NL 6400867A NL 6400867 A NL6400867 A NL 6400867A NL 6400867 A NL6400867 A NL 6400867A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
-
- 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
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Lens Barrels (AREA)
- Mechanical Control Devices (AREA)
- Control Of Fluid Gearings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4640/63A GB1080591A (en) | 1963-02-05 | 1963-02-05 | Improvements in or relating to control devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6400867A true NL6400867A (de) | 1964-08-06 |
Family
ID=9781004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6400867A NL6400867A (de) | 1963-02-05 | 1964-02-03 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3296883A (de) |
| CH (1) | CH425264A (de) |
| GB (1) | GB1080591A (de) |
| NL (1) | NL6400867A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1260292B (de) * | 1966-03-12 | 1968-02-01 | Schneider Co Optische Werke | Verstelleinrichtung fuer optische Apparate, insbesondere fuer Objektive mit veraenderlicher Brennweite |
| JPH03266820A (ja) * | 1990-03-16 | 1991-11-27 | Asahi Optical Co Ltd | 電動ズーム装置 |
| US5406417A (en) * | 1993-06-08 | 1995-04-11 | Hughes Aircraft Company | Differential pneumatic pressure zoom lens drive |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464220A (en) * | 1945-04-28 | 1949-03-15 | Robert C Dunean | Film record selecting and projecting device |
| DE1155846B (de) * | 1955-04-29 | 1963-10-17 | Herbert Lindner Fa | Vorrichtung zum Einstellen von Messstrecken durch Begrenzen der Verstellbewegung desSchlittens an Werkzeugmaschinen, beispielsweise Koordinatenbohrmaschinen |
| US3016778A (en) * | 1958-09-24 | 1962-01-16 | Giddings & Lewis | Controls for machine tools and the like |
| US3165044A (en) * | 1960-08-20 | 1965-01-12 | Schneider Co Optische Werke | Control mechanism for the components of optical objectives |
-
1963
- 1963-02-05 GB GB4640/63A patent/GB1080591A/en not_active Expired
-
1964
- 1964-02-03 NL NL6400867A patent/NL6400867A/xx unknown
- 1964-02-03 US US341967A patent/US3296883A/en not_active Expired - Lifetime
- 1964-02-05 CH CH135964A patent/CH425264A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1463492B2 (de) | 1972-09-21 |
| GB1080591A (en) | 1967-08-23 |
| US3296883A (en) | 1967-01-10 |
| CH425264A (fr) | 1966-11-30 |
| DE1463492A1 (de) | 1969-07-10 |