DE2141667C3 - Objektiwerschluß für eine einäugige Spiegelreflexkamera - Google Patents
Objektiwerschluß für eine einäugige SpiegelreflexkameraInfo
- Publication number
- DE2141667C3 DE2141667C3 DE2141667A DE2141667A DE2141667C3 DE 2141667 C3 DE2141667 C3 DE 2141667C3 DE 2141667 A DE2141667 A DE 2141667A DE 2141667 A DE2141667 A DE 2141667A DE 2141667 C3 DE2141667 C3 DE 2141667C3
- Authority
- DE
- Germany
- Prior art keywords
- shutter
- lens
- exposure
- electromagnet
- opening
- 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
- 230000011514 reflex Effects 0.000 title claims description 16
- 230000033001 locomotion Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 description 16
- 241000446313 Lamella Species 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XTPJLNSARGBDNC-UHFFFAOYSA-N 3-[diethyl(prop-2-ynyl)azaniumyl]propane-1-sulfonate Chemical compound C#CC[N+](CC)(CC)CCCS([O-])(=O)=O XTPJLNSARGBDNC-UHFFFAOYSA-N 0.000 description 1
- 235000016496 Panda oleosa Nutrition 0.000 description 1
- 240000000220 Panda oleosa Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- G03B7/081—Analogue circuits
- G03B7/087—Analogue circuits for control of both exposure time and aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
- Exposure Control For Cameras (AREA)
- Cameras In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6891970A | 1970-09-02 | 1970-09-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2141667A1 DE2141667A1 (de) | 1972-03-09 |
| DE2141667B2 DE2141667B2 (de) | 1974-02-28 |
| DE2141667C3 true DE2141667C3 (de) | 1980-04-10 |
Family
ID=22085549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2141667A Expired DE2141667C3 (de) | 1970-09-02 | 1971-08-19 | Objektiwerschluß für eine einäugige Spiegelreflexkamera |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3641889A (enExample) |
| JP (1) | JPS5710406B1 (enExample) |
| AT (1) | AT330579B (enExample) |
| AU (1) | AU464134B2 (enExample) |
| CA (1) | CA971795A (enExample) |
| DE (1) | DE2141667C3 (enExample) |
| FR (1) | FR2107125A5 (enExample) |
| GB (1) | GB1326487A (enExample) |
| NL (1) | NL177524C (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3750543A (en) * | 1971-04-19 | 1973-08-07 | Polaroid Corp | Focus responsive exposure control system |
| US3769892A (en) * | 1971-12-06 | 1973-11-06 | Polaroid Corp | Seating arrangement for a reflecting member |
| US3701304A (en) * | 1971-12-20 | 1972-10-31 | Polaroid Corp | Reflex member velocity control means |
| US3760704A (en) * | 1971-12-30 | 1973-09-25 | Polaroid Corp | Reflex camera and viewer with a folded optical path |
| US3771427A (en) * | 1972-02-02 | 1973-11-13 | Polaroid Corp | Reflex camera with mirror latch |
| CA991465A (en) * | 1972-04-21 | 1976-06-22 | Christian C. Petersen | Dynamically compensated exposure control system |
| US3927415A (en) * | 1973-04-11 | 1975-12-16 | Polaroid Corp | Electromagnetically regulated exposure control system |
| US3868712A (en) * | 1973-04-11 | 1975-02-25 | Polaroid Corp | Pneumatically reactive exposure control system |
| IT1003725B (it) * | 1973-05-22 | 1976-06-10 | Polaroid Corp | Perfezionamento nei dispositivi di controllo della esposizione per ot turatori di apparecchi fotografici |
| US3882522A (en) * | 1973-05-22 | 1975-05-06 | Polaroid Corp | Non-cocking springless shutter developing two parameter exposure regulation |
| US3928859A (en) * | 1974-03-22 | 1975-12-23 | Honeywell Inc | Shutter-iris for automatic camera |
| US3969738A (en) * | 1975-05-05 | 1976-07-13 | Polaroid Corporation | Exposure control system with inertial characteristic |
| US4017873A (en) * | 1975-10-03 | 1977-04-12 | Polaroid Corporation | Exposure control system with braking capability |
| US4160589A (en) * | 1978-03-03 | 1979-07-10 | Polaroid Corporation | Combined solenoid and timing system for SLR camera apparatus |
| JPS56133722A (en) * | 1980-03-03 | 1981-10-20 | Polaroid Corp | Device for focusing image for photographic camera and method therfor |
| US20080298674A1 (en) * | 2007-05-29 | 2008-12-04 | Image Masters Inc. | Stereoscopic Panoramic imaging system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3051065A (en) * | 1958-12-05 | 1962-08-28 | Chiyoda Kogaku Seiko Kabushiki | Lens shutter for camera |
| US3393621A (en) * | 1963-06-12 | 1968-07-23 | Canon Camera Co | Electromotive shutter for photographic camera |
| US3299789A (en) * | 1964-06-05 | 1967-01-24 | Eastman Kodak Co | Automatic exposure control system |
| US3470808A (en) * | 1967-07-21 | 1969-10-07 | Eastman Kodak Co | Photographic shutter operating means |
-
1970
- 1970-09-02 US US68919A patent/US3641889A/en not_active Expired - Lifetime
-
1971
- 1971-08-12 AU AU32276/71A patent/AU464134B2/en not_active Expired
- 1971-08-16 GB GB3835871A patent/GB1326487A/en not_active Expired
- 1971-08-19 DE DE2141667A patent/DE2141667C3/de not_active Expired
- 1971-08-26 JP JP6484271A patent/JPS5710406B1/ja active Pending
- 1971-08-26 AT AT749171A patent/AT330579B/de active
- 1971-08-27 CA CA121,619A patent/CA971795A/en not_active Expired
- 1971-09-01 FR FR7131649A patent/FR2107125A5/fr not_active Expired
- 1971-09-01 NL NLAANVRAGE7112024,A patent/NL177524C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA971795A (en) | 1975-07-29 |
| AU464134B2 (en) | 1975-08-14 |
| ATA749171A (de) | 1975-09-15 |
| AU3227671A (en) | 1973-02-15 |
| NL177524C (nl) | 1985-10-01 |
| US3641889A (en) | 1972-02-15 |
| GB1326487A (en) | 1973-08-15 |
| NL177524B (nl) | 1985-05-01 |
| FR2107125A5 (enExample) | 1972-05-05 |
| DE2141667B2 (de) | 1974-02-28 |
| DE2141667A1 (de) | 1972-03-09 |
| AT330579B (de) | 1976-07-12 |
| JPS5710406B1 (enExample) | 1982-02-26 |
| NL7112024A (enExample) | 1972-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |