GB878797A - Mechanical device for testing the movements of an instrument pointer - Google Patents
Mechanical device for testing the movements of an instrument pointerInfo
- Publication number
- GB878797A GB878797A GB2129/60A GB212960A GB878797A GB 878797 A GB878797 A GB 878797A GB 2129/60 A GB2129/60 A GB 2129/60A GB 212960 A GB212960 A GB 212960A GB 878797 A GB878797 A GB 878797A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pointer
- movement
- scanning
- pivoted
- angle
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/12—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
878,797. Mechanical relay and follow-up devices. VOIGTLANDER A.G. Jan. 20, 1960 [Jan. 23, 1959], No. 2129/60. Class 118. A mechanical scanning device for the lockable indicating position of an instrument pointer 6 comprises a carrier member 18 (Fig. 1), ), rotatably mounted on a fixed axis 19, having pivoted thereto, at 22, a second member 23 which is very lightly spring-urged against a stop 27 on the carrier member, and is so arranged that while scanning over the range of the pointer 6 its free end 28 moves close to a fixed arcuate clamping surface 7 while it lies at a trailing angle α to the radius of the clamping surface through its free end 28, which angle α is less than the limiting angle of friction between it and the surface 7. When the member 23 makes contact via its downwardly projecting pin 30 with the pointer 6, it is rocked clockwise away from the stop 27 and unslippably locks itself endwise against the surface 7, thus arresting the movement of the scanning device. The scanning movement of -the device is effected by movement of the slider 13 from left to right, which movement also causes the bow member 10 to press the pointer 6 against the surface 12, thus to maintain the pointer stationary during the scanning process. In the modification of Fig. 3 the carrier member 18a is an arm pivoted at 19a which carries at its outer end a pointer-like second member 23a, pivoted at 22a, which strikes the upturned end of the pointer 6.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV15832A DE1102421B (en) | 1959-01-23 | 1959-01-23 | Mechanical scanning device for the lockable measuring position of an instrument pointer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB878797A true GB878797A (en) | 1961-10-04 |
Family
ID=7575263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2129/60A Expired GB878797A (en) | 1959-01-23 | 1960-01-20 | Mechanical device for testing the movements of an instrument pointer |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH380391A (en) |
| DE (1) | DE1102421B (en) |
| FR (1) | FR1244887A (en) |
| GB (1) | GB878797A (en) |
-
1959
- 1959-01-23 DE DEV15832A patent/DE1102421B/en active Pending
-
1960
- 1960-01-07 CH CH16360A patent/CH380391A/en unknown
- 1960-01-12 FR FR815423A patent/FR1244887A/en not_active Expired
- 1960-01-20 GB GB2129/60A patent/GB878797A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1102421B (en) | 1961-03-16 |
| CH380391A (en) | 1964-07-31 |
| FR1244887A (en) | 1960-10-28 |
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