US4083058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash and camera apparatus having a plurality of flash and daylight operation modes
Assignee: West Electric Co Ltd
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Filing: 1976-04-12
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Granted: 1978-04-04
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Expires: 1996-04-12
Abstract
Abstract Flash and camera apparatus integrally incorporating an electronic flashing device for firing a flash discharge tube and a photographic camera device with a fixed focus lens system. The apparatus includes an aperture change-over mechanism for changing the aperture to an appropriate value depending on the paticular mode of photography selected. The selectable modes include both far and near modes for objects which are within allowable range of the camera to achieve proper flash mode photography and also daylight mode photography. An indication element for indicating the existence of a condition under which the electronic flash device is able to fire in the flash mode and which indicates whether the distance to the object is far or near is also provided. Further provided is a switch mechanism for simultaneously performing the functions of operating the aperture changeover mechanism, operating the indication element and supplying power to the electronic flash device. In this manner, daylight and flash mode photography are simplified, the allowable distance to the object for proper photography can be increased, and the distance from the object, i.e. far or near, is indicated for identification.
Inventors
- 👤 Hiroshi Iwata
- 👤 Yu Tsuzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:18
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/05; G03B2215/00; G03B2215/05; G03B2215/0503
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
206 words
In a flash and camera apparatus integrally incorporating a photographic camera device with a fixed focus lens system and an electronic flash device having a flash discharge tube which emits flash light by discharging energy stored in a main discharge capacitor, the improvement comprising an aperture member comprising part of said photographic camera device and having a first aperture therein, the size of said first aperture being suitable for photographing an object, using flash-mode photography, which is located at a relatively long distance from said camera device, an iris vane positioned adjacent said apertured member and having a second aperture therein, the size of said second aperture being less than that of said first aperture and suitable for photographing an object, using flash-mode photography, which is located at a relatively short distance from said camera device, said second aperture also being suitable for daylight mode photography; mode switching means for coupling a power switch for said electronic flash device to said iris vane so that operation of said power switch causes movement of said iris vane; and holding means for holding said iris vane in a first position wherein said vane blocks said first aperture so that light entering said camera passes through said second aperture.
Claim 2
Dependent Claim
206 words
In a flash and camera apparatus integrally incorporating a photographic camera device with a fixed focus lens system and an electronic flash device having a flash discharge tube which emits flash light by discharging energy stored in a main discharge capacitor, the improvement comprising an aperture member comprising part of said photographic camera device and having a first aperture therein, the size of said first aperture being suitable for photographing an object, using flash-mode photography, which is located at a relatively long distance from said camera device, an iris vane positioned adjacent said apertured member and having a second aperture therein, the size of said second aperture being less than that of said first aperture and suitable for photographing an object, using flash-mode photography, which is located at a relatively short distance from said camera device, said second aperture also being suitable for daylight mode photography; mode switching means for coupling a power switch for said electronic flash device to said iris vane so that operation of said power switch causes movement of said iris vane; and holding means for holding said iris vane in a first position wherein said vane blocks said first aperture so that light entering said camera passes through said second aperture.
Claim 3
Dependent Claim
103 words
Flash and camera apparatus according to claim 1 wherein said mode switching means includes a connecting member having a groove therein slidably attached to said apertured member and secured to said power switch for operation thereof, a projection on said iris vane projecting through the groove in said connecting member, said iris vane being displaced by contact of said projection on an edge of said groove when said connecting member is moved thereby removing said vane from said first position blocking said first aperture to a second position wherein light entering said camera passes through said first aperture and not said second aperture.
Claim 4
Dependent Claim
148 words
Flash and camera apparatus according to claim 1 which further comprises a first indication circuit operable in response to movement of said power switch by said mode switching means to the position for flash-mode photography when said object is located at a relatively short distance from said camera device, said first indication circuit providing a first light indication when the voltage across said main discharge capacitor reaches a sufficient magnitude to ignite said flash discharge tube; and a second indication circuit operable in response to movement of said power switch by said mode switching means to the position for flash-mode photography when said object is located at a relatively long distance from said camera device, said second indication circuit providing a second light indication different from said first light indication when the voltage across said main discharge capacitor reaches a sufficient magnitude to ignite said flash discharge tube.
Claim 5
Dependent Claim
27 words
Flash and camera apparatus according to claim 3 wherein said first indication circuit includes a resistor and a light emitting device connected across said main discharge capacitor.
Claim 6
Dependent Claim
40 words
Flash and camera apparatus according to claim 3 wherein said second indication circuit includes a resistor and a light emitting device connected across said main discharge capacitor and a second capacitor connected through said switch across said light emitting device.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-03 | 1981-10-03 | 1982-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-03 | 1985-10-03 | 1986-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-03 | 1989-10-03 | 1990-04-04 | $7700.00 | Window Closed / Lapsed |