Patent US4939592A successfully refreshed from Google Patents.
US4939592A
Expired / Lapsed
US
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Contact photoelectric conversion device
Assignee: Canon Inc
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Filing: 1988-06-13
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Granted: 1990-07-03
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Expires: 2008-06-13
Abstract
Abstract A photoelectric conversion device has photoelectric conversion element of N×M arranged in a one-dimensional array on a substrate and connected to common lines of a number M in a matrix wiring, and also having a transparent protective layer on the photoelectric conversion elements and common lines of the matrix wiring, comprising wirings maintained at a constant potential at least at the outside of one of the array of the common lines of the matrix wiring.
Inventors
- 👤 Toshihiro Saika
- 👤 Noriyuki Kaifu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:01
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/024; H04N1/028; H04N1/03; H04N1/031; H04N1/0315; H04N1/0316; H04N1/0313; H10; H10F; H10F39/00; H10F39/10; H10F39/12; H10F39/191
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
91 words
A photoelectric conversion device comprising: a substrate; M common lines, M being a predetermined positive integer; a matrix N×M of photoelectric conversion elements arranged in an array disposed on said substrate and connected to said M common lines forming a matrix wiring, wherein N is a predetermined positive integer; a transparent protective layer disposed on said photoelectric conversion elements and said M common lines of the matrix wiring; and grounding wirings maintained at a ground potential disposed at least on both sides of said M common lines of the matrix wiring.
Claim 2
Dependent Claim
91 words
A photoelectric conversion device comprising: a substrate; M common lines, M being a predetermined positive integer; a matrix N×M of photoelectric conversion elements arranged in an array disposed on said substrate and connected to said M common lines forming a matrix wiring, wherein N is a predetermined positive integer; a transparent protective layer disposed on said photoelectric conversion elements and said M common lines of the matrix wiring; and grounding wirings maintained at a ground potential disposed at least on both sides of said M common lines of the matrix wiring.
Claim 3
Dependent Claim
21 words
A device according to claim 1, wherein said grounding wirings are also provided between respective common lines of the matrix wiring.
Claim 4
Dependent Claim
22 words
A device according to claim 2, wherein said grounding wirings have the same width as a thickness of said transparent protective layer.
Claim 5
Dependent Claim
20 words
A device according to claim 1, wherein said grounding wirings have the same configuration as that of said common lines.
Claim 6
Dependent Claim
23 words
A device according to claim 1, wherein said grounding wirings comprise a material selected from the group consisting of Al, Ta, and Ti.
Claim 7
Dependent Claim
19 words
A device according to claim 1, wherein said photoelectric conversion elements have a photoelectric conversion layer comprising amorphous silicon.
Claim 8
Dependent Claim
16 words
A device according to claim 1, wherein said device contacts an original to read image information.
Claim 9
Independent Claim
108 words
An apparatus comprising a photoelectric conversion device, wherein said device comprises: a substrate, M common lines, M being a predetermined positive integer, a matrix N×M of photoelectric conversion elements arranged in an array disposed on said substrate and connected to said M common lines forming a matrix wiring, wherein N is a predetermined positive integer, a transparent protective layer disposed on said photoelectric conversion elements and said M common lines of the matrix wiring, grounding wirings maintained at a ground potential and disposed at least on both sides of said M common lines of the matrix wiring, and means for maintaining said grounding wirings at said ground potential.
Claim 10
Independent Claim
108 words
An apparatus comprising a photoelectric conversion device, wherein said device comprises: a substrate, M common lines, M being a predetermined positive integer, a matrix N×M of photoelectric conversion elements arranged in an array disposed on said substrate and connected to said M common lines forming a matrix wiring, wherein N is a predetermined positive integer, a transparent protective layer disposed on said photoelectric conversion elements and said M common lines of the matrix wiring, grounding wirings maintained at a ground potential and disposed at least on both sides of said M common lines of the matrix wiring, and means for maintaining said grounding wirings at said ground potential.
Claim 11
Dependent Claim
23 words
An apparatus according to claim 8, wherein said apparatus further comprises means for advancing an original document relative to said photoelectric conversion device.
Claim 12
Dependent Claim
13 words
An apparatus according to claim 9, wherein said advancing means includes a roller.
References Cited (Backward Citations)
US3840391A
Cited
US3811076A
Cited
US3841926A
Cited
US4035829A
Cited
US4480009A
Cited
JPS5817784A
Cited
EP0079775A2
Cited
US4607168A
Cited
US4474457A
Cited
US4549223A
Cited
US4609935A
Cited
DE3500645A1
Cited
US4650984A
Cited
JPS60178663A
Cited
US4746989A
Cited
US4740710A
Cited
JPS6132571A
Cited
JPS61189065A
Cited
US4679089A
Cited
DE3612814A1
Cited
US4743750A
Cited
US4754152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-07-02 | 1994-01-01 | 1994-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-02 | 1998-01-01 | 1998-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-02 | 2002-01-01 | 2002-07-03 | $7700.00 | Window Closed / Lapsed |