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USRE32137E Expired / Lapsed US ⏱️ 0.0 years remaining

Graphical representation transducing

Assignee: Eastman Kodak Co
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Filing: 1981-11-12
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Granted: 1986-05-06
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Expires: 2001-11-12
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Abstract

Abstract A light source illuminates a film stage through a magnifying lens that is selectively transmitted to a photodiode array over a first path including a mirror and pellicle and a second path including the first mirror and the pellicle, a selectively movable second mirror, third and fourth mirrors, a first lens element between the second and third mirror and a second lens element between the third mirror and the pellicle providing a reduction of three. Relay optics between the pellicle and a fourth mirror provides an image of the film stage on a screen. The column of 1024 diode detectors are electrically scanned to provide one dimension of a rectangular scan of the image and mechanically displaced to provide the other scan dimension. The output of the photodiode array is coupled to a recording system that may be analog or digital to record an electrical representation of the image on the film stage.

Inventors

  • 👤 Thomas A. Lianza

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 11:45
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/19; H04N1/191; H04N1/192; H04N1/193

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 105 words
Graphical representation transducing apparatus comprising, means defining an object plane for supporting a fixed object to be imaged in a photoelectric transducing means image plane, lens means .Iadd.in fixed relationship to both said object plane and said image plane .Iaddend.comprising means for focussing the image of said object upon said photoelectric transducing means image plane, photoelectric array transducing means in said photoelectric transducing means image plane for providing an electrical signal representative of the light intensity thereon, and means for mechanically displacing in .Iadd.a plane including .Iaddend.said image plane said photoelectric transducing means .Iadd.relative to said lens means .Iaddend.to scan the image of said object.
Claim 2
Dependent Claim 105 words
Graphical representation transducing apparatus comprising, means defining an object plane for supporting a fixed object to be imaged in a photoelectric transducing means image plane, lens means .Iadd.in fixed relationship to both said object plane and said image plane .Iaddend.comprising means for focussing the image of said object upon said photoelectric transducing means image plane, photoelectric array transducing means in said photoelectric transducing means image plane for providing an electrical signal representative of the light intensity thereon, and means for mechanically displacing in .Iadd.a plane including .Iaddend.said image plane said photoelectric transducing means .Iadd.relative to said lens means .Iaddend.to scan the image of said object.
Claim 3
Dependent Claim 151 words
Graphical representation transducing apparatus .[.in accordance with claim 1 and further.]. comprising, means defining an object plane for supporting a fixed object to be imaged in a photoelectric transducing means image plane, lens means comprising means for focussing the image of said object upon said photoelectric transducing means image plane, photoelectric array transducing means in said photoelectric transducing means image plane for providing an electrical signal representative of the light intensity thereon, means for mechanically displacing in said image plane said photoelectric transducing means to scan the image of said object, display screen means for displaying an image of the object whose image is then being scanned by said apparatus, and pellicle means in the path between said lens means and said photoelectric array transducing means for directing a portion of the light energy incident thereon upon said photoelectric array transducing means and a portion thereof toward said display screen means.
Claim 4
Dependent Claim 95 words
Graphical representation transducing apparatus in accordance with claim 2 wherein said lens means comprises zoom lens means for providing variable magnification and further comprising, means including said pellicle means for defining a second light path between said zoom lens means and said photoelectric array transducing means, said second light path including alternate lens means for providing a predetermined fixed magnification for altering the effective zoom range of said scanning system, and means for selectively directing light energy from said object plane along a first path excluding and a second path including said alternate lens means.
Claim 5
Dependent Claim 48 words
Graphical representation transducing apparatus in accordance with claim 3 wherein said pellicle means has a ratio of transmittance to reflectance so that the light energy density incident upon said photoelectric transducing means is independent of whether said light energy arrived over said first path or said second path.
Claim 6
Dependent Claim 62 words
Graphical representation transducing apparatus in accordance with claim 1 wherein said photoelectric transducing means comprises a line array of photoelectric transducing elements, and further comprising means for sequentially scanning said photoelectric transducing elements to scan a line of said image in a direction generally perpendicular to the direction of displacement of said photoelectric transducing means effected by said means for mechanically displacing.
Claim 7
Dependent Claim 21 words
Graphical representation transducing apparatus in accordance with claim 1 wherein said lens means comprises zoom lens means for providing variable magnification.
Claim 8
Dependent Claim 372 words
Graphical representation transducing apparatus in accordance with claim 6 wherein said photoelectric transducing means comprises a line array of photoelectric transducing elements, and further comprising means for sequentially scanning said photoelectric transducing elements to scan a line of said image in a direction generally perpendicular to the direction of displacement of said photoelectric transducing means effected by said means for mechanically displacing. .Iadd.8. Graphical representation transducing apparatus in accordance with claim 1 wherein said lens means focuses the image of said object upon said image plane between first and second edges of the image to be scanned, and said means for mechanically displacing mechanically displaces said photoelectric array transducing means across said image between said first edge and said second edge to scan said image along a first direction between said first and second edges, and means for electronically scanning said photoelectric array transducing means to scan said image in a second direction, thereby providing an electrical representation of the image of said object..Iaddend. .Iadd.9. Graphical representation transducing apparatus in accordance with claim 8 wherein said image plane is at the long conjugate side of said lens means so that the image of said object remains in focus in said image plane. .Iaddend. .Iadd.10. Graphical representation transducing apparatus in accordance with claim 1 wherein said image plane is at the long conjugate side of said lens means so that the image of said object remains in focus in said image plane. .Iaddend. .Iadd.11. A method of providing an electrical representation of the image of a stationary object which method includes the steps of, focusing the image of said object with a stationary lens means upon a photoelectric array transducing means in the image plane of said lens means to provide an electrical signal from said photoelectric array transducing means representative of the light intensity thereon between first and second edges of the image in the image plane, mechanically displacing in a plane including said image plane said photoelectric array transducing means from said first edge to said second edge across said image, an electronically scanning photoelectric elements in said photoelectric array transducing means as said photoelectric array transducing means moves across said image, and receiving electrical signals from said photoelectric transducing means
Claim 9
Dependent Claim 64 words
representative of the image of said object. .Iaddend. .Iadd.12. A method in accordance with claim 11 wherein said lens means has a long conjugate side and further including the step of establishing said image plane at the long conjugate side of said lens means so that the image of said object remains in focus in said image plane between said first and second edges..Iaddend.

References Cited (Backward Citations)

US2262584A Cited
US3104369A Cited
US3614241A Cited
US3914546A Cited
US3600593A Cited
US3814494A Cited
US3812459A Cited
US3830972A Cited
US3868167A Cited
US3867569A Cited
US4146786A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-05-05 1989-11-04 1990-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-05-05 1993-11-04 1994-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-05-05 1997-11-04 1998-05-06 $7700.00 Window Closed / Lapsed

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