US5109290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image recording system for recording image plane comprising pixel area and non-pixel area
Assignee: Brother Industries Ltd
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Filing: 1991-03-27
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Granted: 1992-04-28
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Expires: 2011-03-27
Abstract
Abstract The present invention relates to an image recording system for recording an image formed on an image plane onto a photosensitive member by exposure, the image plane comprising a plurality of pixels capable of changing over between a first state which permits the exposure of light to the photosensitive member and a second state in which the exposure of light to the photosensitive member is infeasible, and a non-pixel area present at a peripheral area with respect to the pixels. The size of each pixel is set such that the length of a side in a pixel pitch direction is slightly larger than one half of the pixel pitch. In this image recording system, therefore, when recording an image on the photosensitive member, an exposure position controlling means causes a relative position changing means to shift a relative position of the photosensitive member and the image plane at least three times so as to prevent recording of the non-pixel area in the image recorded on the photosensitive member.
Inventors
- 👤 Masaaki Imai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:38
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/12; G06K15/1238
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
197 words
An image recording system for recording an output image on a photosensitive member by exposure of a light image formed on an image plane, comprising: a plurality of pixels and a non-pixel area constituting the image plane, the non-pixel area surrounding the plurality of pixels, each of the plurality of pixels having a uniform size and being capable of changing over between a first state in which the exposure of light to the photosensitive member is permitted and a second state in which the exposure of light to the photosensitive member is interrupted, a total area of the pixels being set to a value larger than (100/n)% of the area of the image plane, where n is an integer number; a relative position changing means for changing a relative position between the photosensitive member and the image plane in a direction substantially perpendicular to a light traveling path from the image plane to the photosensitive member, and an exposure position controlling means for driving the relative position changing means to change the relative position at least (n-1) times so that the recording of the non-pixel area is prevented in the output image recorded on the photosensitive member.
Claim 2
Dependent Claim
197 words
An image recording system for recording an output image on a photosensitive member by exposure of a light image formed on an image plane, comprising: a plurality of pixels and a non-pixel area constituting the image plane, the non-pixel area surrounding the plurality of pixels, each of the plurality of pixels having a uniform size and being capable of changing over between a first state in which the exposure of light to the photosensitive member is permitted and a second state in which the exposure of light to the photosensitive member is interrupted, a total area of the pixels being set to a value larger than (100/n)% of the area of the image plane, where n is an integer number; a relative position changing means for changing a relative position between the photosensitive member and the image plane in a direction substantially perpendicular to a light traveling path from the image plane to the photosensitive member, and an exposure position controlling means for driving the relative position changing means to change the relative position at least (n-1) times so that the recording of the non-pixel area is prevented in the output image recorded on the photosensitive member.
Claim 3
Dependent Claim
15 words
The image recording system according to claim 1, wherein the value of n is 4.
Claim 4
Dependent Claim
24 words
The image recording system according to claim 2, wherein the pixels are each in the shape of one of a rectangle or a square.
Claim 5
Dependent Claim
42 words
The image recording system according to claim 1, wherein when said exposure position controlling means drives said relative position changing means to change the relative position between the photosensitive member and the image plane, all the pixels are in the second state.
Claim 6
Dependent Claim
20 words
The image recording system according to claim 1, wherein said relative position changing means comprises at least one driving mechanism.
Claim 7
Dependent Claim
18 words
The image recording system according to claim 5, wherein said relative position changing means comprising two driving mechanisms.
Claim 8
Dependent Claim
63 words
The image recording system according to claim 6, wherein one said driving mechanism changes the relative position between the photosensitive member and the image plane along one axis substantially perpendicular to said light traveling path and the other said driving mechanism changes the relative position between the photosensitive member and the image plane along another axis substantially perpendicular to said light traveling path.
Claim 9
Dependent Claim
21 words
The image recording system according to claim 1, wherein said relative position changing means changes the position of said image plane.
Claim 10
Dependent Claim
39 words
The image recording system according to claim 1, wherein said exposure position controlling means drives said relative position changing means at least (n-1) times such that a plurality of exposure areas are formed, said exposure areas overlapping one another.
Claim 11
Dependent Claim
195 words
An image recording system for recording an output image on a photosensitive member by exposure of a light image formed on an image plane, comprising: a plurality of pixels arranged in a predetermined pitch and a non-pixel area constituting the image plane, the non-pixel area surrounding the plurality of pixels, each of the plurality of pixels having a uniform size and being capable of changing over between a first state in which the exposure of light to the photosensitive member is permitted and a second state in which the exposure of light to the photosensitive member is interrupted, a size of each of the pixels being set to a length larger than one half of the predetermined pitch; a relative position changing means for changing a relative position between the photosensitive member and the image plane in a direction substantially perpendicular to a light traveling path from the image plane to the photosensitive member; and an exposure position controlling means for driving the relative position changing means to change the relative position at least three times so that the recording of the non-pixel area is prevented in the output image recorded on the photosensitive member.
Claim 12
Dependent Claim
195 words
An image recording system for recording an output image on a photosensitive member by exposure of a light image formed on an image plane, comprising: a plurality of pixels arranged in a predetermined pitch and a non-pixel area constituting the image plane, the non-pixel area surrounding the plurality of pixels, each of the plurality of pixels having a uniform size and being capable of changing over between a first state in which the exposure of light to the photosensitive member is permitted and a second state in which the exposure of light to the photosensitive member is interrupted, a size of each of the pixels being set to a length larger than one half of the predetermined pitch; a relative position changing means for changing a relative position between the photosensitive member and the image plane in a direction substantially perpendicular to a light traveling path from the image plane to the photosensitive member; and an exposure position controlling means for driving the relative position changing means to change the relative position at least three times so that the recording of the non-pixel area is prevented in the output image recorded on the photosensitive member.
Claim 13
Dependent Claim
42 words
An image recording system according to claim 10, wherein when said exposure position controlling means drives said relative position changing means to change the relative position between the photosensitive member and the image plane, all the pixels are in the second state.
Claim 14
Dependent Claim
20 words
The image recording system according to claim 10, wherein said relative position changing means comprises at least one driving mechanism.
Claim 15
Dependent Claim
18 words
The image recording system according to claim 12, wherein said relative position changing means comprising two driving mechanisms.
Claim 16
Dependent Claim
63 words
The image recording system according to claim 13, wherein one said driving mechanism changes the relative position between the photosensitive member and the image plane along one axis substantially perpendicular to said light traveling path and the other said driving mechanism changes the relative position between the photosensitive member and the image plane along another axis substantially perpendicular to said light traveling path.
Claim 17
Dependent Claim
21 words
The image recording system according to claim 10, wherein said relative position changing means changes the position of said image plane.
Claim 18
Dependent Claim
39 words
The image recording system according to claim 10, wherein said exposure position controlling means drives said relative position changing means at least three times such that a plurality of exposure areas are formed, said exposure areas overlapping one another.
References Cited (Backward Citations)
US4334734A
Cited
US4571053A
Cited
US4668071A
Cited
US4746917A
Cited
US4810058A
Cited
US4834506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-04-28 | 1995-10-28 | 1996-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-04-28 | 1999-10-28 | 2000-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-04-28 | 2003-10-28 | 2004-04-28 | $7700.00 | Window Closed / Lapsed |