US4174898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera
Assignee: Konica Minolta Inc
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Filing: 1978-05-05
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Granted: 1979-11-20
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Expires: 1998-05-05
Abstract
Abstract A camera having a flash mounted thereon is provided wherein the flash is movable with respect to the optical axis of the camera to avoid red eye. When flash must be used, the flash may be raised and one or more pins are provided to automatically disengage the aperture control mechanism from an automatic exposure meter system and engage it with the focusing ring of the camera to automatically adjust aperture as a function of lens to object distance.
Inventors
- 👤 Yaichi Iijima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:23
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/05; G03B2215/00; G03B2215/05; G03B2215/0503; G03B2215/0507
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
115 words
In a camera operable for both daylight and flashlight photography, provided with a diaphragm adjusting member and having a focusing ring, a changeover ring, and a guide number ring all coaxially and rotatably mounted about the optical axis of the camera, the improvement comprising a first cam on and rotatable with said focusing ring, a second cam on and rotatable with said guide number ring, means moving said changeover ring between two control positions, means engageably controlling said diaphragm adjusting member through said cams when said changeover ring is in one control position, and means effecting disengagement of said cams with said diaphragm adjusting member when said changeover ring is in the second control position.
Claim 2
Dependent Claim
115 words
In a camera operable for both daylight and flashlight photography, provided with a diaphragm adjusting member and having a focusing ring, a changeover ring, and a guide number ring all coaxially and rotatably mounted about the optical axis of the camera, the improvement comprising a first cam on and rotatable with said focusing ring, a second cam on and rotatable with said guide number ring, means moving said changeover ring between two control positions, means engageably controlling said diaphragm adjusting member through said cams when said changeover ring is in one control position, and means effecting disengagement of said cams with said diaphragm adjusting member when said changeover ring is in the second control position.
Claim 3
Dependent Claim
67 words
In a camera according to claim 1, in combination with a flashlight emitting device movable between operative and inoperative positions, and means responsive to movement of said flashlight emitting device to its operative position for moving said changeover ring to the one control position, and responsive to movement of said flashlight emitting device to its inoperative position for moving said changeover ring to the second control position.
Claim 4
Dependent Claim
81 words
In a camera according to claim 1, in which the means engageably controlling said diaphragm adjusting member through said cams includes a lever pivotally mounted at one end on said camera, a pivot pin projecting from the other end of said lever and pivotally mounting said diaphragm adjusting member thereon, said pivot pin projecting into the path of said second cam, and means urging said pivot pin against said second cam when said changeover ring is in said one control position.
Claim 5
Dependent Claim
84 words
In a camera according to claim 3, in which said diaphragm adjusting member is provided with a projecting pin and said changeover ring is provided with a projecting cam, and means urging said projecting pin against said projecting cam when said changeover ring is in the second control position to move said diaphragm adjusting member out of engagement with said first cams, and urging said diaphragm adjusting member into contact with said first cams when said changeover ring is in the first control position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-11-19 | 1983-05-21 | 1983-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-19 | 1987-05-21 | 1987-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-19 | 1991-05-21 | 1991-11-20 | $7700.00 | Window Closed / Lapsed |