US4970562A — Color image processing apparatus

Claim 1

Independent Claim 126 words

A color image processing apparatus, including: an image receiving member; means for supporting an original document; means for recording a latent image on said image receiving member corresponding to one of the color components of the original document on said supporting means; means for scanning the original document on said supporting means and detecting a plurality of color components of the original document to generate color signals representative of each one of the plurality of color components; and means, responsive to the color signals from said scanning means, for erasing, substantially simultaneously as the latent image is being recorded on the image receiving member, those regions of the latent image wherein the color signals from said scanning means have a preselected relationship relative to one another.

Claim 2

Dependent Claim 126 words

A color image processing apparatus, including: an image receiving member; means for supporting an original document; means for recording a latent image on said image receiving member corresponding to one of the color components of the original document on said supporting means; means for scanning the original document on said supporting means and detecting a plurality of color components of the original document to generate color signals representative of each one of the plurality of color components; and means, responsive to the color signals from said scanning means, for erasing, substantially simultaneously as the latent image is being recorded on the image receiving member, those regions of the latent image wherein the color signals from said scanning means have a preselected relationship relative to one another.

Claim 3

Dependent Claim 35 words

An apparatus according claim 1, wherein said erasing means erases those regions of the latent image wherein the color signals from said scanning means have the preselected relationship of being at substantially the same level.

Claim 4

Dependent Claim 51 words

An apparatus according claim 1, wherein said erasing means erases those regions of the latent image wherein the color signals from said scanning means have the preselected relationship in which at least one of the color signals from said scanning means is at a diferent level than the other color signals.

Claim 5

Dependent Claim 30 words

An apparatus according to claim 1, wherein said scanning means detects three color components of the original document and generates color signals representative of each one of the color components.

Claim 6

Dependent Claim 35 words

An apparatus according to claim 4, wherein said recording means records a latent image on said image receiving member corresponding to a substractive primary color of one of the primary colors of the original document.

Claim 7

Dependent Claim 33 words

An apparatus according to claim 5, wherein said scanning means detects red, green and blue color components of the original document and generates color signals representative of each one of the color components.

Claim 8

Dependent Claim 33 words

An apparatus according to claim 6, wherein said recording means records latent images recorded on said image receiving member corresponding to the cyan, magenta and yellow subtractive primary colors of the original document.

Claim 9

Dependent Claim 63 words

An apparatus according to claim 7, wherein said erasing means erases those portions of the latent images recorded on said image receiving member wherein the red, green and blue color signals from said scanning means are proportional to one another in a fixed relationship to remove the black regions of the original document from the latent images recorded on said image receiving member.

Claim 10

Dependent Claim 93 words

An apparatus according to claim 8, wherein: said said recording means records a fourth latent image on said image receiving member corresponding to one of the subtractive primary colors of the original document; and said erasing means erases those portions of the fourth latent image recorded on said image receiving member wherein at least one of the red, green and blue color signals from said scanning means is at a different level than the other color signals therefrom so that the fourth latent image corresponds to the black regions of the original document.

Claim 11

Dependent Claim 15 words

An apparatus according to claim 4, wherein said scanning means includes a raster input scanner.

Claim 12

Dependent Claim 15 words

An apparatus according to claim 10, wherein said erasing means includes a raster output scanner.

Claim 13

Dependent Claim 48 words

An apparatus according to claim 11, wherein: said image receiving member includes a charged photoconductive member; and said recording means includes optical exposure means for projecting an optically filtered light image of the original document onto said said charged photoconductive member to record an electrostatic latent image thereon.

Claim 14

Dependent Claim 127 words

An electrophotographic printing machine of the type having a photoconductive member arranged to have a latent image of an original document recorded thereon, wherein the improvement includes: means for recording a latent image on photoconductive member member corresponding to one of the color components of the original document; means for scanning the original document and detecting a plurality of color components of the original document to generate color signals representative of each one of the plurality of color components; and means, responsive to the color signals from said scanning means, for erasing, substantially simultaneously as the latent image is being recorded on the photoconductive member, those regions of the latent image wherein the color signals from said scanning means have a preselected relationship relative to one another.

Claim 15

Dependent Claim 127 words

An electrophotographic printing machine of the type having a photoconductive member arranged to have a latent image of an original document recorded thereon, wherein the improvement includes: means for recording a latent image on photoconductive member member corresponding to one of the color components of the original document; means for scanning the original document and detecting a plurality of color components of the original document to generate color signals representative of each one of the plurality of color components; and means, responsive to the color signals from said scanning means, for erasing, substantially simultaneously as the latent image is being recorded on the photoconductive member, those regions of the latent image wherein the color signals from said scanning means have a preselected relationship relative to one another.

Claim 16

Dependent Claim 37 words

An electrophotographic printing machine according claim 13, wherein said erasing means erases those regions of the latent image wherein the color signals from said scanning means have the preselected relationship of being at substantially the same level.

Claim 17

Dependent Claim 52 words

An electrophotographic printing machine according claim 13, wherein said erasing means erases those regions of the latent image wherein the color signals from said scanning means have the preselected relationship in which at least one of the color signals from said scanning is at a different levels than the other color signals.

Claim 18

Dependent Claim 32 words

An electrophotographic pringing machine according to claim 13, wherein said scanning means detects three color components of the original document and generates color signals representative of each one of the color components.

Claim 19

Dependent Claim 36 words

An electrophotographic printing machine according to claim 16, wherein said recording means records a latent image on the photoconductive member corresponding to a subtractive primary color of one of the primary colors of the original document.

Claim 20

Dependent Claim 35 words

An electrophotographic printing machine according to claim 17, wherein said scanning means detects red, green and blue color components of the original document and generates color signals representative of each one of the color components.

Claim 21

Dependent Claim 34 words

An electrophotographic printing machine according to claim 18, wherein said recording means records latent images recorded on the photoconductive member corresponding to the cyan, magenta and yellow substractive primary colors of the original document.

Claim 22

Dependent Claim 63 words

An electrophotographic printing machine according to claim 19, wherein said erasing means erases those portions of the latent images recorded on the photoconductive member wherein the red, green and blue color signals from said scanning means are proportional to one another in a fixed relationship to remove the black regions of the original document from the latent images recorded on the photoconductive member.

Claim 23

Dependent Claim 93 words

An electrophotographic printing machine according to claim 20, wherein: said said recording means records a fourth latent image on the photoconductive member corresponding to one of the subtractive primary colors of the original document; and said erasing means erases those portions of the fourth latent image recorded on the photoconductive member wherein at least one of the red, green and blue color signals from said scanning means is at a different level than the other color signals therefrom so that the fourth latent image corresponds to the black regions of the original document.

Claim 24

Dependent Claim 17 words

An electrophotographic printing machine according to claim 17, wherein said scanning means includes a raster input scanner.

Claim 25

Dependent Claim 17 words

An electrophotographic printing machine according to claim 22, wherein said erasing means includes a raster output scanner.

Claim 26

Dependent Claim 45 words

An electrophotographic printing machine according to claim 23 wherein said recording means includes: means for charging the photoconductive member; and optical exposure means for projecting an optically filtered light image of the original document onto the charged photoconductive member to record a latent image thereon.

Claim 27

Dependent Claim 108 words

An electrophotographic printing machine according to claim 24, further including: means for developing the latent images recorded on the photoconductive member corresponding to the cyan, magenta and yellow subtractive primary colors of the original document with cyan, magenta and yellow developer material, and the fourth latent image with black developer material to form cyan, magenta, yellow and black developed images on the photoconductive member; means for transferring the cyan, magenta, yellow and black developed images from the photoconductive member to a sheet in superimposed registration with one another; and means for fusing the developed images transferred to the sheet to form a multi-color copy of the original document.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1993-11-12	1994-05-14	1994-11-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1997-11-12	1998-05-14	1998-11-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2001-11-12	2002-05-14	2002-11-13	$7700.00	Window Closed / Lapsed

Color image processing apparatus

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