FR2452726A1 - Appareil photographique comportant un organe d'entrainement electromagnetique - Google Patents
Appareil photographique comportant un organe d'entrainement electromagnetiqueInfo
- Publication number
- FR2452726A1 FR2452726A1 FR8006619A FR8006619A FR2452726A1 FR 2452726 A1 FR2452726 A1 FR 2452726A1 FR 8006619 A FR8006619 A FR 8006619A FR 8006619 A FR8006619 A FR 8006619A FR 2452726 A1 FR2452726 A1 FR 2452726A1
- Authority
- FR
- France
- Prior art keywords
- shutter
- electromagnetic drive
- curtains
- operated
- shutter curtains
- 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.)
- Granted
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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
- G03B9/18—More than two members
-
- 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
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
- Cameras In General (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
Abstract
LA PRESENTE INVENTION CONCERNE UN APPAREIL PHOTOGRAPHIQUE REFLEX A UN OBJECTIF COMPORTANT UN OBTURATEUR FOCAL ENTRAINE PAR UN ORGANE ELECTRIQUE. UN MOYEN DE BLOCAGE 34, 36A, 38A EST PREVU POUR BLOQUER LES RIDEAUX D'OBTURATEUR 42, 43 DANS LEUR POSITION DE DEPART AVANT LEUR DETENTE DE FACON A EVITER UN ACTIONNEMENT PAR INADVERTANCE DE L'EXPOSITION PAR SUITE D'UNE FAUSSE MANOEUVRE DE COMMUTATEURS, PAR SUITE DE CHOCS OU ANALOGUES, ET EST AGENCE DE FACON QUE, A L'ISSUE DU MOUVEMENT DU MIROIR 27 A RETOUR RAPIDE VERS LE HAUT, IL Y AIT LIBERATION DU BLOCAGE.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3531279A JPS55127532A (en) | 1979-03-26 | 1979-03-26 | Single-lens reflex camera having electromagnetic driving source |
JP54127194A JPS6059576B2 (ja) | 1979-10-01 | 1979-10-01 | 電磁駆動源を有する一眼レフカメラ |
JP13256579A JPS5655929A (en) | 1979-10-15 | 1979-10-15 | Camera having electromagnetic driving source |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2452726A1 true FR2452726A1 (fr) | 1980-10-24 |
FR2452726B1 FR2452726B1 (fr) | 1985-04-19 |
Family
ID=27288720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8006619A Granted FR2452726A1 (fr) | 1979-03-26 | 1980-03-25 | Appareil photographique comportant un organe d'entrainement electromagnetique |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3011693C2 (fr) |
FR (1) | FR2452726A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5660423A (en) * | 1979-10-22 | 1981-05-25 | Canon Inc | Electromagnetic drive shutter |
JPS5699329A (en) | 1980-01-08 | 1981-08-10 | Canon Inc | Electromagnetically-driven focal plane shutter |
JPS5788435A (en) * | 1980-11-22 | 1982-06-02 | Canon Inc | Mechanism driving controller of camera |
JPS57109926A (en) * | 1980-12-27 | 1982-07-08 | Canon Inc | Control method for travel characteristic of electromagnetic drive shutter |
JPS57168240A (en) * | 1981-04-10 | 1982-10-16 | Nippon Kogaku Kk <Nikon> | Electric shutter of camera |
JPS57172425U (fr) * | 1981-04-23 | 1982-10-30 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2228235A1 (fr) * | 1973-05-02 | 1974-11-29 | Seiko Koki Kk | |
DE2440976A1 (de) * | 1973-08-28 | 1975-03-13 | Fuji Photo Film Co Ltd | Einrichtung zur verbindung eines verschlusses und eines spiegels fuer eine einaeugige spiegelreflexkamera |
FR2256431A1 (fr) * | 1973-12-26 | 1975-07-25 | Canon Kk | |
GB1452416A (en) * | 1974-08-23 | 1976-10-13 | Seiko Koki Kk | Camera shutter mechanism |
DE2526420A1 (de) * | 1975-06-13 | 1976-12-30 | Rollei Werke Franke Heidecke | Vorhang- oder platten-fokal- schlitzverschluss |
DE2811223A1 (de) * | 1977-03-16 | 1978-09-28 | Canon Kk | Fotografische kamera |
DE2728824A1 (de) * | 1977-06-27 | 1979-01-11 | Prontor Werk Gauthier Gmbh | Photographischer kameraverschluss |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5443371B2 (fr) * | 1972-06-13 | 1979-12-19 | ||
JPS5525647B2 (fr) * | 1974-03-30 | 1980-07-08 |
-
1980
- 1980-03-25 FR FR8006619A patent/FR2452726A1/fr active Granted
- 1980-03-26 DE DE19803011693 patent/DE3011693C2/de not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2228235A1 (fr) * | 1973-05-02 | 1974-11-29 | Seiko Koki Kk | |
DE2440976A1 (de) * | 1973-08-28 | 1975-03-13 | Fuji Photo Film Co Ltd | Einrichtung zur verbindung eines verschlusses und eines spiegels fuer eine einaeugige spiegelreflexkamera |
FR2256431A1 (fr) * | 1973-12-26 | 1975-07-25 | Canon Kk | |
GB1452416A (en) * | 1974-08-23 | 1976-10-13 | Seiko Koki Kk | Camera shutter mechanism |
DE2526420A1 (de) * | 1975-06-13 | 1976-12-30 | Rollei Werke Franke Heidecke | Vorhang- oder platten-fokal- schlitzverschluss |
DE2811223A1 (de) * | 1977-03-16 | 1978-09-28 | Canon Kk | Fotografische kamera |
DE2728824A1 (de) * | 1977-06-27 | 1979-01-11 | Prontor Werk Gauthier Gmbh | Photographischer kameraverschluss |
Also Published As
Publication number | Publication date |
---|---|
FR2452726B1 (fr) | 1985-04-19 |
DE3011693C2 (de) | 1997-06-05 |
DE3011693A1 (de) | 1980-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3635141A (en) | Photographic camera with shutter blade system executing reciprocating motion during exposure | |
FR2452726A1 (fr) | Appareil photographique comportant un organe d'entrainement electromagnetique | |
GB1513216A (en) | Still camera | |
JPS5655928A (en) | Single-lens reflex camera having electromagnetic driving source | |
GB1362831A (en) | Photographic camera | |
GB1461964A (en) | Shutter and viewfinder mirror interlinkage means for a small single lens reflex camera | |
GB1363248A (en) | Interchangeable camera lens | |
GB1439731A (en) | Camera shutter | |
US4360257A (en) | Resetting apparatus for single lens reflex photographic camera | |
US4085413A (en) | Apparatus for retarding camera shutter release | |
JPS5559442A (en) | Auto focus camera | |
GB1428783A (en) | Single-lens reflex camera | |
US4502769A (en) | Quick-return mirror driving mechanism for single-lens reflex cameras | |
US3223015A (en) | Photographic shutter | |
JPS5688125A (en) | Electric shutter device of camera | |
US4303328A (en) | Device for photographic cameras with focal plane shutter | |
GB1222631A (en) | Cameras | |
US3812513A (en) | Photographic shutter | |
US4129371A (en) | Electromagnet controlled scanning shutter blade arrangement | |
JPS5430823A (en) | Camera with lens shutter which automatically controls exposure time by reflecting light on film plane | |
GB1272531A (en) | Driving arrangement for a single lens reflex camera | |
JPS5235629A (en) | Shutted actuating device for single lens reflex camera | |
GB1380170A (en) | Single lens reflex cameras | |
JPS55134821A (en) | Automatic exposure control camera | |
GB1329017A (en) | Photographic camera with a replaceable or exchangeable objective shutter |