Patent US3843248A successfully refreshed from Google Patents.
US3843248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exposure time control device for use in cameras
Assignee: Konica Minolta Inc
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Filing: 1973-02-26
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Granted: 1974-10-22
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Expires: 1993-02-26
Abstract
Abstract An improved camera is disclosed, which comprises an automatic exposure control mechanism, a flashmatic mechanism for controlling a diaphragm in flash-photography, a first member, for indicating a diaphragm aperture value in association with the flashmatic mechanism, and a means for detachably mounting a flash device on the camera, the first indicating member being adapted to move in response to shutter speed adjustment of the automatic exposure control mechanism, the second indicating member being adapted to be observed when the flash device is mounted on the mounting means.
Inventors
- 👤 S Iyama
- 👤 Y Uchida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:42
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/70; G03B13/00; G03B13/02; G03B7/00; G03B7/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
105 words
A camera comprising an automatic exposure control mechanism, a flashmatic mechanism for controlling a diaphragm in accordance with focus adjustment in flash-photography, a first member for indicating a diaphragm aperture value in association with the automatic exposure control mechanism, a second member for indicating a diaphragm aperture value in association with the flashmatic mechanism, and a means for detachably mounting a flash device on said camera, said first indicating member being adapted to move in response to shutter speed adjustment of the automatic exposure control mechanism, said second indicating member being adapted to be observed when the flash device is mounted on the mounting means.
Claim 2
Dependent Claim
105 words
A camera comprising an automatic exposure control mechanism, a flashmatic mechanism for controlling a diaphragm in accordance with focus adjustment in flash-photography, a first member for indicating a diaphragm aperture value in association with the automatic exposure control mechanism, a second member for indicating a diaphragm aperture value in association with the flashmatic mechanism, and a means for detachably mounting a flash device on said camera, said first indicating member being adapted to move in response to shutter speed adjustment of the automatic exposure control mechanism, said second indicating member being adapted to be observed when the flash device is mounted on the mounting means.
Claim 3
Dependent Claim
24 words
A camera according to claim 1, wherein both said first member and said second member are adapted to be observed in a view finder.
Claim 4
Dependent Claim
25 words
A camera according to claim 2, wherein said flashmatic mechanism is adapted to operate automatically when the flash device is mounted on the mounting means.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |