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US5126839A Expired / Lapsed US ⏱️ 0.0 years remaining

Color image processing apparatus

Assignee: Canon Inc
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Filing: 1987-11-30
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Granted: 1992-06-30
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Expires: 2007-11-30
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Abstract

Abstract There is disclosed a color copier or the line in which an original image is separated into plural image signals of different color components, which are repeatedly subjected to a determined signal process to reproduce the original image with an improved image quality and with a simple structure.

Inventors

  • 👤 Susumu Sugiura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 19:35
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/50; H04N1/506; H04N1/508; H04N1/48; H04N1/482; H04N1/56; H04N1/60; H04N1/6016; Y; Y10; Y10S; Y10S347/00; Y10S347/90

Claims Analysis

Total Claims: 28
Claim 1
Independent Claim 138 words
A color image processing apparatus comprising: reading means for reading image information by simultaneously separating light reflected from an original into plural color component signals; converting means for converting the plural color component signals into recording color data signals; image recording means responsive to the recording color data signals for serially recording an image on a recording member; and control means for causing the reading operation of said reading means and the conversion operation of said converting means to be repeated a number of times corresponding to the number of recording data color signals; wherein said converting means comprises means for correcting non-linear input-output relationship and memory means for storing correction data in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to said color-separated signals.
Claim 2
Dependent Claim 138 words
A color image processing apparatus comprising: reading means for reading image information by simultaneously separating light reflected from an original into plural color component signals; converting means for converting the plural color component signals into recording color data signals; image recording means responsive to the recording color data signals for serially recording an image on a recording member; and control means for causing the reading operation of said reading means and the conversion operation of said converting means to be repeated a number of times corresponding to the number of recording data color signals; wherein said converting means comprises means for correcting non-linear input-output relationship and memory means for storing correction data in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to said color-separated signals.
Claim 3
Dependent Claim 131 words
A color image processing apparatus comprising: data output means for simultaneously releasing data of plural colors; correcting means for correcting data of a particular color among said plural data released from said data output means, in response to data of other colors; and image reproducing means for reproducing a color image by repeating image reproduction on a recording member in response to the color data corrected by said correcting means; wherein said correction by said correcting means and said image reproduction by said image reproducing means are conducted in parallel manner, and wherein said correcting means comprises memory means for storing correction data in advance corresponding to the entered color data and is adapted to effect said correction by making access to said memory means in response to said color data.
Claim 4
Dependent Claim 131 words
A color image processing apparatus comprising: data output means for simultaneously releasing data of plural colors; correcting means for correcting data of a particular color among said plural data released from said data output means, in response to data of other colors; and image reproducing means for reproducing a color image by repeating image reproduction on a recording member in response to the color data corrected by said correcting means; wherein said correction by said correcting means and said image reproduction by said image reproducing means are conducted in parallel manner, and wherein said correcting means comprises memory means for storing correction data in advance corresponding to the entered color data and is adapted to effect said correction by making access to said memory means in response to said color data.
Claim 5
Dependent Claim 145 words
A color image processing apparatus comprising: reading means for reading image information by simultaneously separating light reflected from an original into plural color component signals; converting means for converting the plural color component signals into recording color data signals; image recording means responsive to the recording color data signals for serially recording an image on a recording member; and control means for causing the reading operation of said reading means and the conversion operation of said converting means to be repeated a number of times corresponding to the number of recording data color signals; wherein said converting means comprises means for correcting a particular color data in response to other color data and memory means for storing correction data in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to said color-separated signals.
Claim 6
Dependent Claim 145 words
A color image processing apparatus comprising: reading means for reading image information by simultaneously separating light reflected from an original into plural color component signals; converting means for converting the plural color component signals into recording color data signals; image recording means responsive to the recording color data signals for serially recording an image on a recording member; and control means for causing the reading operation of said reading means and the conversion operation of said converting means to be repeated a number of times corresponding to the number of recording data color signals; wherein said converting means comprises means for correcting a particular color data in response to other color data and memory means for storing correction data in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to said color-separated signals.
Claim 7
Dependent Claim 136 words
A color image processing apparatus according to claim 1 or 3, wherein said recording means comprises; means for forming a latent image on said recording member; plural developing means for developing said latent image; and transfer means for transferring the developed image onto a transfer material; wherein said recording means is adapted to record a color image by forming a latent image corresponding to a first color data on said recording member, transferring said image, after development with first developing means, into the transfer material by means of the transfer means, then forming a latent image corresponding to second color data obtained by said process on said recording member, and transferring said image, after development with second developing means, onto said transfer material by said transfer means, and wherein said recording member is a photosensitive member.
Claim 8
Dependent Claim 45 words
A color image processing apparatus according to claim 3, wherein said image recording means comprises; means for forming a latent image on said recording member; plural developing means for developing said latent image; and transfer means for transferring the developed image onto a transfer material.
Claim 9
Dependent Claim 90 words
A color image processing apparatus according to claim 5, wherein said recording means is adapted to record a color image by forming a latent image corresponding to a first color data on said recording member, transferring said image, after development with first developing means, into the transfer material by means of the transfer means, then forming a latent image corresponding to second color data obtained by said process on said recording member, and transferring said image, after development with second developing means, onto said transfer material by said transfer means.
Claim 10
Dependent Claim 21 words
A color image processing apparatus according to claim 5, wherein said transfer means comprises holding means for holding said transfer material.
Claim 11
Dependent Claim 17 words
A color image processing apparatus according to claim 5, wherein said recording member is a photosensitive member.
Claim 12
Dependent Claim 44 words
A color image processing apparatus according to claim 3, wherein said image reading means comprises dichroic mirrors for separating the light from the original into plural color components; filters corresponding to said plural color components; and charge-coupled devices for receiving thus separated color components.
Claim 13
Dependent Claim 32 words
A color image processing apparatus according to claim 3, wherein said converting means converts the plural color component signals into a respective recording color data signal for each of plural recording colors.
Claim 14
Dependent Claim 132 words
A color image processing apparatus comprising: image reading means for reading image information by simultaneously separating light which is from an original into plural color component signals; correcting means for performing color correction by using the plural color component signals so as to obtain a respective recording color data signal for each color; storing means for temporarily storing a part of at least one of the recording color data signals obtained by the correcting means; image recording means for sequentially recording on a recording member in accordance with the recording color data signal stored in said storing means; and controlling means for causing the reading operation of the reading means and the correcting operation of said correcting means to be repeated a number of times corresponding to the number of recording colors.
Claim 15
Dependent Claim 132 words
A color image processing apparatus comprising: image reading means for reading image information by simultaneously separating light which is from an original into plural color component signals; correcting means for performing color correction by using the plural color component signals so as to obtain a respective recording color data signal for each color; storing means for temporarily storing a part of at least one of the recording color data signals obtained by the correcting means; image recording means for sequentially recording on a recording member in accordance with the recording color data signal stored in said storing means; and controlling means for causing the reading operation of the reading means and the correcting operation of said correcting means to be repeated a number of times corresponding to the number of recording colors.
Claim 16
Dependent Claim 44 words
A color image processing apparatus according to claim 11, wherein said image reading means comprises: dichroic mirrors for separating the light from the original into plural color components; filters corresponding to said plural color components; and charge-coupled devices for receiving thus separated color components.
Claim 17
Dependent Claim 45 words
A color image processing apparatus according to claim 11, wherein said image recording means comprises: means for forming a latent image on said recording member; plural developing means for developing said latent image; and transfer means for transferring the developed image onto a transfer material.
Claim 18
Dependent Claim 91 words
A color image processing apparatus according to claim 13, wherein said image recording means is adapted to record a color image by forming a latent image corresponding to a first color data on said recording member, transferring said image, after development with first developing means, into the transfer material by means of the transfer means, then forming a latent image corresponding to second color data obtained by said process on said recording member, and transferring said image, after development with second developing means, onto said transfer material by said transfer means.
Claim 19
Dependent Claim 21 words
A color image processing apparatus according to claim 14, wherein said transfer means comprises holding means for holding said transfer material.
Claim 20
Dependent Claim 19 words
A color image processing apparatus according to claim 13 or 13, wherein said recording member is a photosensitive member.
Claim 21
Dependent Claim 37 words
A color image processing apparatus according to claim 13, wherein said latent image forming means comprises: means for generating a laser beam; and means for modulating the laser beam in response to said recording color data signal.
Claim 22
Dependent Claim 42 words
A color image processing apparatus according to claim 11, wherein said correcting means comprises memory means for storing correction data and is adapted to effect said correction by making access to said memory means in response to said plural color component signals.
Claim 23
Dependent Claim 138 words
A color image forming method comprising the steps of: simultaneously generating plural color component signals; forming plural recording color signals in response to the plural color component signals; sequentially outputting the plural recording color signals formed in said forming step; providing plural color image forming means which respectively correspond to plural colors represented by the recording color signals output in said outputting step; sequentially enabling the plural color image forming means; and recording a color image causing the plural recording color signals output in said outputting step to sequentially and continuously correspond to the respective color image forming means enabled in said enabling step, wherein, in said forming step, the plural color component signals are used as addresses, and the recording color signals are formed by accessing a memory which generates the recording color signal as output data.
Claim 24
Dependent Claim 138 words
A color image forming method comprising the steps of: simultaneously generating plural color component signals; forming plural recording color signals in response to the plural color component signals; sequentially outputting the plural recording color signals formed in said forming step; providing plural color image forming means which respectively correspond to plural colors represented by the recording color signals output in said outputting step; sequentially enabling the plural color image forming means; and recording a color image causing the plural recording color signals output in said outputting step to sequentially and continuously correspond to the respective color image forming means enabled in said enabling step, wherein, in said forming step, the plural color component signals are used as addresses, and the recording color signals are formed by accessing a memory which generates the recording color signal as output data.
Claim 25
Dependent Claim 170 words
A color image forming apparatus comprising: data output means for simultaneously releasing data of plural color component signals: color signal processing means including color correction means which forms plural recording color signals in response to the plural color component signals, said color signal processing means sequentially outputting the respective recording color signals; color image reproducing means for reproducing a color image in response to the plural recording color signals, said color image reproducing means including plural color image forming means which respectively correspond to the plural recording color signals, and said plural color image forming means being sequentially enabled; and controlling means for controlling such that the plural recording color signals output by said color signal processing means sequentially and continuously correspond to the respective plural color image forming means, wherein said color signal processing means comprises memory means for storing corrected signals in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to the color component signals.
Claim 26
Dependent Claim 170 words
A color image forming apparatus comprising: data output means for simultaneously releasing data of plural color component signals: color signal processing means including color correction means which forms plural recording color signals in response to the plural color component signals, said color signal processing means sequentially outputting the respective recording color signals; color image reproducing means for reproducing a color image in response to the plural recording color signals, said color image reproducing means including plural color image forming means which respectively correspond to the plural recording color signals, and said plural color image forming means being sequentially enabled; and controlling means for controlling such that the plural recording color signals output by said color signal processing means sequentially and continuously correspond to the respective plural color image forming means, wherein said color signal processing means comprises memory means for storing corrected signals in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to the color component signals.
Claim 27
Dependent Claim 197 words
A color image forming apparatus comprising: data output means for simultaneously releasing data of plural color component signals, color signal processing means including color correction means which forms plural recording color signals in response to the plural color component signals, said color signal processing means sequentially outputting the respective recording color signals; color image reproducing means for reproducing a color image in response to the plural recording color signals, said color image reproducing means including plural color image forming means which respectively correspond to the plural recording color signals, and said plural color image forming means being sequentially enabled; controlling means for controlling such that the plural recording color signals output by said color signal processing means sequentially and continuously correspond to the respective plural color image forming means, wherein said color signal processing means comprises memory means for storing corrected signals in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to the color component signals and wherein said data output means and said color correction means operate a number of time equal to a number of operations of said color image forming means.
Claim 28
Dependent Claim 197 words
A color image forming apparatus comprising: data output means for simultaneously releasing data of plural color component signals, color signal processing means including color correction means which forms plural recording color signals in response to the plural color component signals, said color signal processing means sequentially outputting the respective recording color signals; color image reproducing means for reproducing a color image in response to the plural recording color signals, said color image reproducing means including plural color image forming means which respectively correspond to the plural recording color signals, and said plural color image forming means being sequentially enabled; controlling means for controlling such that the plural recording color signals output by said color signal processing means sequentially and continuously correspond to the respective plural color image forming means, wherein said color signal processing means comprises memory means for storing corrected signals in advance corresponding to input data, and is adapted to effect said correction by making access to said memory means in response to the color component signals and wherein said data output means and said color correction means operate a number of time equal to a number of operations of said color image forming means.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-06-30 1995-12-30 1996-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-06-30 1999-12-30 2000-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-06-30 2003-12-30 2004-06-30 $7700.00 Window Closed / Lapsed

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