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US4591257A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic focusing camera

Assignee: Konica Minolta Inc
•
Filing: 1984-02-10
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Granted: 1986-05-27
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Expires: 2004-02-10
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Abstract

Abstract This invention relates to an automatic focusing camera having an optical viewfinder, an optical distance measuring system and an optical photographic taking lens system arranged separate from one another. A slidable protector is provided which covers the optical openings of the taking lens system and the distance measuring system in one position, and uncovers the optical openings in a second position.

Inventors

  • 👤 Hiroshi Sawano

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:08
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/28; G02B7/30; G02B7/32

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 67 words
An automatic focusing camera, comprising: a taking lens; distance measuring means comprising a light emitting means and a light receiving means, each of which, and the taking lens, are arranged approximately in alignment; a protector means slidable between a first position where the taking lens and the distance measuring means are opened and a second position where the taking lens and the distance measuring means are closed.
Claim 2
Dependent Claim 67 words
An automatic focusing camera, comprising: a taking lens; distance measuring means comprising a light emitting means and a light receiving means, each of which, and the taking lens, are arranged approximately in alignment; a protector means slidable between a first position where the taking lens and the distance measuring means are opened and a second position where the taking lens and the distance measuring means are closed.
Claim 3
Dependent Claim 20 words
The automatic focusing camera of claim 1 wherein a sliding direction of the protector means is vertical against the alignment.
Claim 4
Dependent Claim 31 words
The automatic focusing camera of claim 1 wherein a leading edge of the protector means, which becomes a leading side when the protector means is closing, is parallel with the alignment.
Claim 5
Dependent Claim 23 words
The automatic focusing camera of claim 1 wherein the taking lens is positioned between the light projecting means and the light receiving means.
Claim 6
Dependent Claim 30 words
The automatic focusing camera of claim 1 further comprising an optical view finder system arranged in alignment with the taking lens, the light emitting means and the light receiving means.
Claim 7
Dependent Claim 23 words
The automatic focusing camera of claim 5 wherein the protector means covers the view finder when it is positioned in the second position.
Claim 8
Dependent Claim 22 words
The automatic focusing camera of claim 2 wherein the light emitting means is arranged between the view finder and the taking lens.
Claim 9
Dependent Claim 19 words
The automatic focusing camera of claim 3 wherein the light emitting means is arranged adjacent to the view finder.
Claim 10
Dependent Claim 36 words
The automatic focusing camera of claim 5 wherein the taking lens, the light emitting means, the light receiving means and the view finder are arranged in a vertical direction against a longitudinal direction of the camera.
Claim 11
Dependent Claim 16 words
The automatic focusing camera of claim 5 wherein disk-type photographic film is available in the camera.

References Cited (Backward Citations)

US4367934A Cited
US4444477A Cited
US4432621A Cited
US4415245A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-05-26 1989-11-25 1990-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-05-26 1993-11-25 1994-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-05-26 1997-11-25 1998-05-27 $7700.00 Window Closed / Lapsed

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