DE2104052B2 - Einrichtung zur automatischen brennweitenregelung fuer eine kamera - Google Patents
Einrichtung zur automatischen brennweitenregelung fuer eine kameraInfo
- Publication number
- DE2104052B2 DE2104052B2 DE19712104052 DE2104052A DE2104052B2 DE 2104052 B2 DE2104052 B2 DE 2104052B2 DE 19712104052 DE19712104052 DE 19712104052 DE 2104052 A DE2104052 A DE 2104052A DE 2104052 B2 DE2104052 B2 DE 2104052B2
- Authority
- DE
- Germany
- Prior art keywords
- plate
- lens
- camera
- bearing
- distance
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 240000000731 Fagus sylvatica Species 0.000 claims 1
- 235000010099 Fagus sylvatica Nutrition 0.000 claims 1
- 238000011017 operating method Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
-
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/04—Focusing arrangements of general interest for cameras, projectors or printers adjusting position of image plane without moving lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US643870A | 1970-01-28 | 1970-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2104052A1 DE2104052A1 (de) | 1971-08-05 |
| DE2104052B2 true DE2104052B2 (de) | 1973-05-03 |
Family
ID=21720886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712104052 Pending DE2104052B2 (de) | 1970-01-28 | 1971-01-28 | Einrichtung zur automatischen brennweitenregelung fuer eine kamera |
Country Status (7)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4936937U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-06-29 | 1974-04-01 | ||
| US4030815A (en) * | 1975-10-31 | 1977-06-21 | Rca Corporation | Hydrostatic bearing apparatus |
-
1970
- 1970-01-28 US US6438A patent/US3636849A/en not_active Expired - Lifetime
-
1971
- 1971-01-22 NL NL7100881A patent/NL7100881A/xx unknown
- 1971-01-25 BE BE761973A patent/BE761973A/xx unknown
- 1971-01-26 SE SE00895/71A patent/SE355679B/xx unknown
- 1971-01-27 FR FR717102645A patent/FR2077382B1/fr not_active Expired
- 1971-01-28 DE DE19712104052 patent/DE2104052B2/de active Pending
- 1971-04-19 GB GB2049771A patent/GB1321137A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE355679B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-30 |
| GB1321137A (en) | 1973-06-20 |
| US3636849A (en) | 1972-01-25 |
| FR2077382A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-10-22 |
| DE2104052A1 (de) | 1971-08-05 |
| FR2077382B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-08 |
| NL7100881A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-07-30 |
| BE761973A (fr) | 1971-07-01 |
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