US4011571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
View finder for cameras
Assignee: Fujifilm Holdings Corp
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Filing: 1972-03-17
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Granted: 1977-03-08
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Expires: 1992-03-17
Abstract
Abstract In a view finder for cameras comprising a sight field for viewing an object to be photographed, the improvement which comprises mark means in said sight field for guiding on the centering of said object to be photographed and on the proper photographing distance from said object to be photographed is disclosed.
Inventors
- 👤 Yasutoshi Okuzawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:14
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
126 words
In a view finder for a camera comprising a sight field for viewing an object to be photographed, the improvement comprising: means for positioning within said sight field a plurality of mark means of a different size, position and configuration corresponding to, the size, position, and configuration of the objects being photographed when said objects are properly centered and positioned with respect to the camera lens system as seen through said view finder; whereby, centering of a given object to be photographed and moving the camera relative to the object such that the object within the sight field corresponds in size, position and configuration to a corresponding mark means insures a proper position of the object relative to the camera and at a proper distance therefrom.
Claim 2
Dependent Claim
126 words
In a view finder for a camera comprising a sight field for viewing an object to be photographed, the improvement comprising: means for positioning within said sight field a plurality of mark means of a different size, position and configuration corresponding to, the size, position, and configuration of the objects being photographed when said objects are properly centered and positioned with respect to the camera lens system as seen through said view finder; whereby, centering of a given object to be photographed and moving the camera relative to the object such that the object within the sight field corresponds in size, position and configuration to a corresponding mark means insures a proper position of the object relative to the camera and at a proper distance therefrom.
Claim 3
Dependent Claim
55 words
The view finder as claimed in claim 1, wherein said mark means comprises a first mark means for centering and positioning a single object to be photographed at close range and a second mark means for centering and positioning a group of objects to be photographed at an intermediate range with respect to the camera.
Claim 4
Dependent Claim
34 words
A view finder as claimed in claim 2, wherein said first mark means and said second mark means comprise visible images on a transparent member positioned within the sight field of the view finder.
Claim 5
Dependent Claim
51 words
A view finder as claimed in claim 2 for a camera including a distance ring, further comprising means for making a selected one of said mark means visible only when the distance ring setting is appropriate for taking the picture of the object or objects corresponding to said selected mark means.
Claim 6
Dependent Claim
24 words
A view finder as claimed in claim 4, wherein said mark defining means comprises a bright frame mechanism operatively associated with said distance ring.
Claim 7
Dependent Claim
37 words
A view finder as claimed in claim 5, wherein a cam member operatively couples said bright frame mechanism with said distance ring, and said bright frame mechanism comprises a movable image forming member following said cam member.
Claim 8
Dependent Claim
46 words
A view finder as claimed in claim 6, wherein said bright frame mechanism comprises a slit plate and a movable mosaic plate positioned for movement in parallel with said slit plate and overlying the same with said movable mosaic plate in engagement with said cam member.
Claim 9
Dependent Claim
72 words
A view finder as claimed in claim 2, wherein said second mark means comprises three substantially circular marks arranged in a horizontal alignment and said first mark means comprises a larger substantially circular mark centrally positioned with respect to said second mark means so as to overlie the center of said three substantially circular marks in vertically raised eccentric position with respect to the center circular mark of said second mark means.
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) | 1980-03-07 | 1980-09-06 | 1981-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-07 | 1984-09-06 | 1985-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-07 | 1988-09-06 | 1989-03-08 | $7700.00 | Window Closed / Lapsed |