GB1047966A - Improvements in or relating to optical apparatus - Google Patents
Improvements in or relating to optical apparatusInfo
- Publication number
- GB1047966A GB1047966A GB4924/64A GB492464A GB1047966A GB 1047966 A GB1047966 A GB 1047966A GB 4924/64 A GB4924/64 A GB 4924/64A GB 492464 A GB492464 A GB 492464A GB 1047966 A GB1047966 A GB 1047966A
- Authority
- GB
- United Kingdom
- Prior art keywords
- objective
- deflector
- window
- braun
- mask
- 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
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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/001—Slide projectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
1,047,966. Projectors; focusing. C. BRAUN and W. BRAUN, [trading as CARL BRAUN CAMERA-WERK], Feb. 5, 1964 [Feb. 5, 1963; Dec. 17, 1963], No.4924/64. Heading G2J. In the fine adjustment of the objective in optical apparatus, particularly optical projectors, a visual indication of the position of the fine adjustment is given by deflecting some light from the lamp through a strip 11 in a mask 10 on the deflector 9 and thence through a window 12 in the housing. The deflector 9 may be coupled to the objective so that the position of the strip 11 in the window indicates the position of the objective. The shape of the window may be varied as indicated in Figs. 5-8 (not shown). In a modification, Fig. 10 (not shown) the deflector may be pivoted to the objective support and the end remote from the mask coupled to the fine adjustment driving means so that movement of the driving means, and, therefore, of the objective, pivots the deflector causing relative movement between the mask and the window.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0070622 | 1963-02-05 | ||
| DEB74693A DE1218179B (en) | 1963-12-17 | 1963-12-17 | Device for fine adjustment of projection lenses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1047966A true GB1047966A (en) | 1966-11-09 |
Family
ID=25966533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4924/64A Expired GB1047966A (en) | 1963-02-05 | 1964-02-05 | Improvements in or relating to optical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1047966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2130285A (en) * | 1982-11-20 | 1984-05-31 | Securistyle Ltd | Releasable fastenings for doors or windows |
-
1964
- 1964-02-05 GB GB4924/64A patent/GB1047966A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2130285A (en) * | 1982-11-20 | 1984-05-31 | Securistyle Ltd | Releasable fastenings for doors or windows |
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