BE731553A - - Google Patents
Info
- Publication number
- BE731553A BE731553A BE731553DA BE731553A BE 731553 A BE731553 A BE 731553A BE 731553D A BE731553D A BE 731553DA BE 731553 A BE731553 A BE 731553A
- Authority
- BE
- Belgium
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
- 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
-
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/522—Projection optics
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Lens Barrels (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72133368A | 1968-04-15 | 1968-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE731553A true BE731553A (de) | 1969-10-15 |
Family
ID=24897545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE731553D BE731553A (de) | 1968-04-15 | 1969-04-15 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3591256A (de) |
JP (1) | JPS5118812B1 (de) |
BE (1) | BE731553A (de) |
DE (1) | DE1919108A1 (de) |
FR (1) | FR2006242A1 (de) |
GB (1) | GB1234515A (de) |
NL (1) | NL6905683A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3741621A (en) * | 1971-04-01 | 1973-06-26 | Xerox Corp | Add lens projection system with balanced performance |
GB1400219A (en) * | 1972-06-23 | 1975-07-16 | Rank Xerox Ltd | Aperture adjustment in optical assembly |
US3889282A (en) * | 1972-06-26 | 1975-06-10 | Canon Kk | Zoom lens structure |
US3897148A (en) * | 1973-11-29 | 1975-07-29 | Ibm | Optical scanning system |
JPS513339U (de) * | 1974-06-24 | 1976-01-12 | ||
US4076389A (en) * | 1976-04-29 | 1978-02-28 | Xerox Corporation | Zoom lens mount and mechanism |
US4330179A (en) * | 1979-05-17 | 1982-05-18 | Konishiroku Photo Industry Co., Ltd. | Variable magnification projection device |
CN113296214B (zh) * | 2021-05-24 | 2022-07-08 | 南京凯泽瑞兹光电科技有限公司 | 一种微透镜胶合件用自动化胶合中心调校检查仪 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1879737A (en) * | 1928-12-22 | 1932-09-27 | Paramount Famous Lasky Corp | Projection apparatus |
US1991530A (en) * | 1931-01-12 | 1935-02-19 | Joseph B Walker | Dissolve device for cameras |
NL90813C (de) * | 1950-07-18 | |||
US2720817A (en) * | 1953-04-23 | 1955-10-18 | Taylor Taylor & Hobson Ltd | Control devices for variable focal length optical objectives |
GB760588A (en) * | 1953-10-09 | 1956-11-07 | Watson W & Sons Ltd | Improvements in or relating to variable magnification optical systems |
DE1108457B (de) * | 1955-11-16 | 1961-06-08 | Optische Ind Iade Oude Delftia | Optisches System mit kontinuierlich veraenderlicher Brennweite |
DE1162678B (de) * | 1960-12-15 | 1964-02-06 | Schneider Co Optische Werke | Fassung fuer photographische oder kinematographische Objektive oder Vorsatzsysteme zum AEndern der Brennweite |
GB1066502A (en) * | 1962-11-14 | 1967-04-26 | Rank Precision Ind Ltd | Improvements in or relating to optical objectives of variable equivalent focal length |
DE1261423B (de) * | 1964-11-03 | 1968-02-15 | H T Golde G M B H & Co K G | Elektrisch betriebene Stellvorrichtung zum Heben und Senken von schiebbaren Fenstern insbesondere an Kraftfahrzeugen |
-
1968
- 1968-04-15 US US721333A patent/US3591256A/en not_active Expired - Lifetime
-
1969
- 1969-04-10 GB GB1234515D patent/GB1234515A/en not_active Expired
- 1969-04-14 JP JP44028301A patent/JPS5118812B1/ja active Pending
- 1969-04-14 NL NL6905683A patent/NL6905683A/xx unknown
- 1969-04-15 FR FR6911559A patent/FR2006242A1/fr not_active Withdrawn
- 1969-04-15 BE BE731553D patent/BE731553A/xx unknown
- 1969-04-15 DE DE19691919108 patent/DE1919108A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1919108A1 (de) | 1969-11-13 |
FR2006242A1 (de) | 1969-12-26 |
US3591256A (en) | 1971-07-06 |
NL6905683A (de) | 1969-10-17 |
JPS5118812B1 (de) | 1976-06-12 |
GB1234515A (de) | 1971-06-03 |