FR2408850A1 - Appareil de prise de vues a obturateur electrique comportant un indicateur acoustique - Google Patents
Appareil de prise de vues a obturateur electrique comportant un indicateur acoustiqueInfo
- Publication number
- FR2408850A1 FR2408850A1 FR7830770A FR7830770A FR2408850A1 FR 2408850 A1 FR2408850 A1 FR 2408850A1 FR 7830770 A FR7830770 A FR 7830770A FR 7830770 A FR7830770 A FR 7830770A FR 2408850 A1 FR2408850 A1 FR 2408850A1
- Authority
- FR
- France
- Prior art keywords
- indicator
- electric shutter
- device including
- acoustic indicator
- photography device
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
-
- 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
-
- 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
- G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Abstract
L'INVENTION CONCERNE UN APPAREIL DE PRISES DE VUES PHOTOGRAPHIQUES A OBTURATEUR ELECTRIQUE COMPORTANT UN CIRCUIT DE DETERMINATION DU NIVEAU DE LA TENSION D'ALIMENTATION EN COURANT ELECTRIQUE PJC ET UN CIRCUIT DE RETARD D'AUTO-RYTHMEUR STC AINSI QU'UN INDICATEUR ACOUSTIQUE COMPRENANT UN OSCILLATEUR A IMPULSIONS OSC ET UN AVERTISSEUR DE PETITES DIMENSIONS BU DONT LE FONCTIONNEMENT PRODUIT UN SON CONTINU POUR INDIQUER LE NIVEAU DE LA TENSION D'ALIMENTATION ET UN SON INTERMITTENT POUR INDIQUER LE FONCTIONNEMENT EN MODE AUTO-RYTHMEUR, CET INDICATEUR ETANT CONJUGUE AVEC UN INDICATEUR LUMINEUX P2.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1977153242U JPS5754096Y2 (fr) | 1977-11-15 | 1977-11-15 | |
JP15704777U JPS5482631U (fr) | 1977-11-22 | 1977-11-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2408850A1 true FR2408850A1 (fr) | 1979-06-08 |
FR2408850B1 FR2408850B1 (fr) | 1985-06-14 |
Family
ID=26481931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7830770A Expired FR2408850B1 (fr) | 1977-11-15 | 1978-10-30 | Appareil de prise de vues a obturateur electrique comportant un indicateur acoustique |
Country Status (4)
Country | Link |
---|---|
US (1) | US4272176A (fr) |
DE (1) | DE2846919B2 (fr) |
FR (1) | FR2408850B1 (fr) |
GB (2) | GB2062263B (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4299469A (en) * | 1979-06-25 | 1981-11-10 | Copal Company Limited | Drive controlling circuit for electric shutters |
JPS5675635A (en) * | 1979-11-26 | 1981-06-22 | Canon Inc | Camera operation & alarm warning system |
JPS5684562A (en) * | 1979-12-13 | 1981-07-09 | Canon Inc | Battery checker |
JPS56110419U (fr) * | 1980-01-28 | 1981-08-26 | ||
JPS56142520A (en) * | 1980-04-07 | 1981-11-06 | Canon Inc | State display device of camera |
DE3014099C2 (de) * | 1980-04-12 | 1984-02-09 | Agfa-Gevaert Ag, 5090 Leverkusen | Kinematografische Kamera mit einem Markierungsgenerator |
DE3015591A1 (de) * | 1980-04-23 | 1981-10-29 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Warneinrichtung fuer eine fotografische kamera |
JPS5738402A (en) * | 1980-08-19 | 1982-03-03 | Canon Inc | Display device of automatic focal point adjuster |
JPS57119397A (en) * | 1981-01-16 | 1982-07-24 | Canon Kk | Sound pressure selector for sound emitting body |
DE3230710A1 (de) * | 1981-08-18 | 1983-03-17 | Canon K.K., Tokyo | Selbstausloesereinrichtung fuer kameras |
US5245312A (en) * | 1982-01-09 | 1993-09-14 | Canon Kabushiki Kaisha | Self-timer operation informing device |
US5802247A (en) * | 1983-10-05 | 1998-09-01 | Canon Kabushiki Kaisha | Video recording camera |
US5270764A (en) * | 1990-02-20 | 1993-12-14 | Canon Kabushiki Kaisha | Remote controlled camera system providing indication of flash capability |
US6259862B1 (en) | 1995-04-11 | 2001-07-10 | Eastman Kodak Company | Red-eye reduction using multiple function light source |
JPH0926360A (ja) * | 1995-07-11 | 1997-01-28 | Nikon Corp | 測色装置 |
JP2003219219A (ja) * | 2002-01-23 | 2003-07-31 | Sanyo Electric Co Ltd | ディジタルカメラ |
US6618557B1 (en) * | 2002-05-03 | 2003-09-09 | Hewlett-Packard Development Company, L.P. | Camera remote system and methods associated therewith |
JP2004222067A (ja) * | 2003-01-16 | 2004-08-05 | Olympus Corp | 記録装置 |
US20050168592A1 (en) * | 2004-01-30 | 2005-08-04 | Demoor Robert G. | Apparatus and method for capturing an informal image with a digital camera |
US8531562B2 (en) * | 2004-12-03 | 2013-09-10 | Fluke Corporation | Visible light and IR combined image camera with a laser pointer |
JP2007065553A (ja) * | 2005-09-02 | 2007-03-15 | Fujinon Corp | カメラ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2238948A1 (fr) * | 1973-07-28 | 1975-02-21 | Fuji Photo Optical Co Ltd | |
GB1537611A (en) * | 1976-08-31 | 1979-01-04 | Asahi Optical Co Ltd | Device for warning when the supply voltage of a camera battery falls below a predetermined level and camera including same |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1472635A1 (de) * | 1965-03-26 | 1969-07-10 | Gossen & Co Gmbh P | Schaltungsanordnung fuer elektronische Verschluesse |
NL134772C (fr) * | 1965-11-03 | |||
DE1297461B (de) * | 1966-09-03 | 1969-06-12 | Agfa Gevaert Ag | Fotografische Kamera mit einer Einrichtung zur akustischen Anzeige unzureichender Aufnahmehelligkeit |
DE1497920B1 (de) * | 1966-09-21 | 1969-12-04 | Agfa Gevaert Ag | Fotografische Kamera mit einer automatisch die Belichtungszeit bestimmenden Belichtungssteuervorrichtung |
US3487404A (en) * | 1967-03-23 | 1969-12-30 | Avco Corp | Combined fire alarm,burglar alarm,and intercommunication system |
US4047210A (en) * | 1967-10-26 | 1977-09-06 | Prontor-Werk, Alfred Gauthier Gmbh | Camera with an electronic timer and including an electro-mechanical delayed action stop for the shutter drive |
DE1935466C3 (de) * | 1969-07-12 | 1973-07-05 | Agfa Gevaert Ag | Fotografische Kamera mit einer batteriegespeisten elektronischen Belichtungssteuereinrichtung |
US3778672A (en) * | 1972-07-27 | 1973-12-11 | Ponder & Best | Audible alert signal for an electronic flash unit |
US3776625A (en) * | 1972-07-27 | 1973-12-04 | Ponder & Best | Condition responsive alert signal for a movie camera |
US3872470A (en) * | 1973-04-18 | 1975-03-18 | Airco Inc | Audible signal generating apparatus having selectively controlled audible output |
US4037206A (en) * | 1975-01-22 | 1977-07-19 | Emhart Industries, Inc. | Ionization smoke detector and alarm system |
US4030086A (en) * | 1975-11-10 | 1977-06-14 | General Electric Company | Battery voltage detection and warning means |
-
1978
- 1978-10-12 US US05/950,851 patent/US4272176A/en not_active Expired - Lifetime
- 1978-10-27 DE DE2846919A patent/DE2846919B2/de not_active Ceased
- 1978-10-30 FR FR7830770A patent/FR2408850B1/fr not_active Expired
- 1978-11-14 GB GB8038467A patent/GB2062263B/en not_active Expired
- 1978-11-14 GB GB7844340A patent/GB2008782B/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2238948A1 (fr) * | 1973-07-28 | 1975-02-21 | Fuji Photo Optical Co Ltd | |
GB1537611A (en) * | 1976-08-31 | 1979-01-04 | Asahi Optical Co Ltd | Device for warning when the supply voltage of a camera battery falls below a predetermined level and camera including same |
Non-Patent Citations (1)
Title |
---|
EXBK/77 * |
Also Published As
Publication number | Publication date |
---|---|
DE2846919A1 (de) | 1979-05-17 |
DE2846919B2 (de) | 1981-03-26 |
FR2408850B1 (fr) | 1985-06-14 |
GB2008782B (en) | 1982-06-30 |
GB2062263B (en) | 1982-12-22 |
GB2062263A (en) | 1981-05-20 |
GB2008782A (en) | 1979-06-06 |
US4272176A (en) | 1981-06-09 |
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