US4527875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated finder
Assignee: West Electric Co Ltd
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Filing: 1983-07-06
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Granted: 1985-07-09
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Expires: 2003-07-06
Abstract
Abstract The present invention relates to an illuminated finder comprising illuminating windows through which light is entered for looking at an image of an object and a view frame, each window being disposed on an upper and front surface of a camera, and comprising a photographing information indicator being disposed on the upper surface of the camera, and comprising a transmitting window for detecting a distance, and therefore the photographing information and the view frame can be looked at easily from the outside of the camera and through an eye lens and a size of the illuminated finder can be compact.
Inventors
- 👤 Shunichi Shibata, deceased
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:40
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/02; G03B13/06; G03B13/08; G03B17/00; G03B17/18; G03B17/20
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
205 words
An illuminated finder comprises: (1) a first optical system for looking at an image of an object, comprising: a first window for taking in a first light from a direction of said object, a finder object lens for leading said first light inside a camera body through said first window, an eye lens disposed on a rear part of a camera and a half reflection mirror disposed in a first light path between said finder objective lens and said eye lens, (2) a second optical system which comprising: a second window through which top light as a second light is taken inside said camera body, a frame sheet having a view frame, through which said second light passes, said second light entering inside said camera body through said second window, and a reflection mirror for leading said second light incident through said frame sheet to said eye lens in a second light path via said half reflection mirror, whereby said second optical system making said view frame overlapping on said image of said object at said half reflection mirror, and (3) a photographing information indicator disposed on said second window at least a part of which covers at least a part of said second window.
Claim 2
Dependent Claim
205 words
An illuminated finder comprises: (1) a first optical system for looking at an image of an object, comprising: a first window for taking in a first light from a direction of said object, a finder object lens for leading said first light inside a camera body through said first window, an eye lens disposed on a rear part of a camera and a half reflection mirror disposed in a first light path between said finder objective lens and said eye lens, (2) a second optical system which comprising: a second window through which top light as a second light is taken inside said camera body, a frame sheet having a view frame, through which said second light passes, said second light entering inside said camera body through said second window, and a reflection mirror for leading said second light incident through said frame sheet to said eye lens in a second light path via said half reflection mirror, whereby said second optical system making said view frame overlapping on said image of said object at said half reflection mirror, and (3) a photographing information indicator disposed on said second window at least a part of which covers at least a part of said second window.
Claim 3
Dependent Claim
277 words
An illuminated finder comprises: (1) a first optical system for looking at an image of an object, comprising: a first window for taking in a first light from a direction of said object, a finder object lens for leading said first light inside a camera body through said first window, an eye lens disposed on a rear part of a camera and a half reflection mirror disposed in a first light path between said finder objective lens and said eye lens, (2) a second optical system which comprising: a second window through which top light as a second light is taken inside said camera body, a frame sheet having a view frame, through which said second light passes, said second light entering inside said camera body through said second window, and a reflection mirror for leading said second light incident through said frame sheet to said eye lens in a second light path via said half reflection mirror, whereby said second optical system making said view frame overlapping on said image of said object at said half reflection mirror, (3) a photographing information indicator disposed on said second window at least a part of which covers at least a part of said second window, and (4) a distance measuring window through which a third light from said object is incident the finder, a distance measuring optical path means for passing said third light, said distance measuring optical path means and said second optical path being arranged in such a manner that said second light of said second optical path and said third light of said distance measuring optical path means crossing each other in said illuminated finder.
Claim 4
Dependent Claim
277 words
An illuminated finder comprises: (1) a first optical system for looking at an image of an object, comprising: a first window for taking in a first light from a direction of said object, a finder object lens for leading said first light inside a camera body through said first window, an eye lens disposed on a rear part of a camera and a half reflection mirror disposed in a first light path between said finder objective lens and said eye lens, (2) a second optical system which comprising: a second window through which top light as a second light is taken inside said camera body, a frame sheet having a view frame, through which said second light passes, said second light entering inside said camera body through said second window, and a reflection mirror for leading said second light incident through said frame sheet to said eye lens in a second light path via said half reflection mirror, whereby said second optical system making said view frame overlapping on said image of said object at said half reflection mirror, (3) a photographing information indicator disposed on said second window at least a part of which covers at least a part of said second window, and (4) a distance measuring window through which a third light from said object is incident the finder, a distance measuring optical path means for passing said third light, said distance measuring optical path means and said second optical path being arranged in such a manner that said second light of said second optical path and said third light of said distance measuring optical path means crossing each other in said illuminated finder.
Claim 5
Dependent Claim
20 words
An illuminated finder in accordance with claim 1 or 2, said photographing information indicator is a liquid crystal display 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) | 1988-07-08 | 1989-01-07 | 1989-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-08 | 1993-01-07 | 1993-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-08 | 1997-01-07 | 1997-07-09 | $7700.00 | Window Closed / Lapsed |