A color image processing apparatus

Claim 2

In a color image processing apparatus wherein a color image signal being photoelectrically obtained from color image information by an image reading means is converted into an optical signal so as to form an electrostatic latent image on an image forming member and then the electrostatic latent image is developed so as to record the the color image information, the improvement wherein said color image processing apparatus comprises a color signal forming means for separating a color image signal obtained by said image reading means into a predetermined color component signal, an output means for outputting an optical siganl being modulated based on the color component signal, a means for forming an electrostatic latent image based on the optical siganl, and a developing means for developing the electrostatic latent image, said developing means having a plurality of developing devices corresponding to the color component sigal.

Claim 3

The color image processing apparatus of claim 1, wherein there is further provided external input means for designate the color component signal to be transmitted to said output means.

Claim 4

The color image processing apparatus of claim 1, wherein said developing devices are non-contact type developing devices.

Claim 5

The color image processing apparatus of claim 3, wherein said developing devices use developer adopted to record red, blue and black colors.

Claim 6

The color image processing apparatus of claim 1, wherein said color image processing apparatus performes real time processing from reading the color image information to record the color image information.

Claim 7

In a color image processing apparatus wherein a color image signal being photoelectrically obtained from color image information is converted into an optical signal so as to form an electrostatic latent image on an image forming member and then the electrostatic latent image is developed so as to record the the color image information, the improvement wherein said color image processing apparatus comprises a color signal forming means for separating a color image signal photoelectrically obtained into a plurality of color component signals, an optical means for outputting an optical signal based on the color component signal to an image forming means for forming an electrostatic latent image thereon, said image forming means being rotatable, wherein said image forming means is rotated one rotation for every co]or component signals, a developing means for developing the elecrostatic latent image and having a plurality of developing devices corresponding to the color component sigals, and an index means for generating an index signal synchronous with the rotation of said image forming means, so that an initial image forming point on said image forming means is determined based on the index signal.

Claim 8

In a color image processing apparatus wherein a color image signal being photoelectrically obtained from color image information is converted into an optical signal so as to form an electrostatic latent image on an image forming member and then the electrostatic latent image is developed so as to record the the color image information, the improvement wherein said color image processing apparatus comprises a color signal forming means for separating a color image signal photoelectrically obtained into a plurality of color component signals, an optical means for outputting an optical signal based on the color component signal to an image forming means for forming an electrostatic latent image thereon, said image forming means being rotatable, wherein said image forming means is rotated one rotation for every co]or component signals, a developing means for developing the elecrostatic latent image and having a plurality of developing devices corresponding to the color component sigals, and an index means for generating an index signal synchronous with the rotation of said image forming means, so that an initial image forming point on said image forming means is determined based on the index signal.

Claim 9

The color image processing apparatus of claim 6, wherein said optical means is a laser scanner and said image forming means forms the latent image by being subjected to laser beam of said laser scanner.

Claim 10

The color image processing apparatus of claim 7, wherein said laser scanner starts to provide laser beam onto said image forming means after elapse of a predetermined time period upon detection of the index signal.

Claim 11

The color image processing apparatus of claim 6, wherein there is further provided a optical scanning mechanism for reading and phtoelectrically converting a color information of an original draft into the color image signal, and wherein said optical scanning mecahnism starts scanning in synchronization with the index signal.

Claim 12

The color image processing apparatus of claim 8, wherein said optical scanning mechanism performes reading the color information after elapse of a predetermined time period upon detection of the index signal.

Claim 13

The color image processing apparatus of cliam 6, wherein there is further provided a timing means for determining the initial image forming point, and wherein said timing means is reset upon receipt of the index signal.

Claim 14

The color image processing apparatus of cliam 6, wherein there is further provided a timing means for determining the initial image forming point, and wherein said timing means is reset upon receipt of the index signal.

Claim 15

The color image processing apparatus of claim 10, wherein said timing means comprises a reference timer for generating a pulse at a constant interval and a counter, and wherein, upon receipt of the index signal, said counter is cleared and said reference timer is restart so that said timing means output a start timing signal after said counter counts a predetermined number of pulses upon recept of the index signal.

Claim 16

The color image processing apparatus of claim 11, wherein said optical means starts outputting optical signal to said image forming means upon receipt of the start timing signal.

Claim 17

The color image processing apparatus of claim 6, wherein there is further provided a control means for controlling a color image forming process, and wherein said control means determines the initial image forming point by an interrupt process in response to the index signal.

Claim 18

The color image processing apparatus of claim 13, wherein, during an interrupt process responsive to one index signal, said control means inhibits another interrput processes responsive to both another index siganl and other siganl.

Claim 19

The color image processing process of claim 14, wherein there is further povided a timing means for counting predetermined time period corresponding to the initial image forming point, and wherein said timing means is reset and restart in the interrupt process responsive to the index signal.

Claim 20

The color image processing process of claim 15, wherein, after completion of the interrupt process responsive to the index signal, said control means release the inhibition for another interrupt process responsive to a signal other than the index signal.

Claim 21

The color image processing apparatus of claim 16, wherein, after comencement of an interrupt process in responsive to an index signal, said control means inhibits another interrup process responsive to another index signal at least the predetermined time period corresponding to the initial image forming point.

Claim 22

The color image processing apparatus of claim 14, wherein there is further provided an optical scanning means for reading and photoelectrically converting a color image information of an original draft into the color image signal, and wherein, in the case of scanning copy mode, said control means start said optical scanning means at the interrupt process responsive to the index siganl.

Claim 23

In a color image processing apparatus wherein a color image signal being photoelectrically obtained from color image information is converted into an optical signal so as to form an electrostatic latent image on an image forming member and then the electrostatic latent image is developed so as to record the the color image information, the improvement wherein said color image processing apparatus comprises an optical output means for outputting an optical signal based on the color component signal to an image forming means for forming an electrostatic latent image thereon, a motor for driving said image forming means, an encoder, associated with said motor, for generating an encoder signal, and an index means, disposed on said image forming means, for generating an index signal, wherein said optical output means starts outputting the optical signal in response to the index signal or the encoder signal which are selected in accordance with a copy mode.

Claim 24

In a color image processing apparatus wherein a color image signal being photoelectrically obtained from color image information is converted into an optical signal so as to form an electrostatic latent image on an image forming member and then the electrostatic latent image is developed so as to record the the color image information, the improvement wherein said color image processing apparatus comprises an optical output means for outputting an optical signal based on the color component signal to an image forming means for forming an electrostatic latent image thereon, a motor for driving said image forming means, an encoder, associated with said motor, for generating an encoder signal, and an index means, disposed on said image forming means, for generating an index signal, wherein said optical output means starts outputting the optical signal in response to the index signal or the encoder signal which are selected in accordance with a copy mode.

Claim 25

The color image processing apparatus of claim 18, wherein the copy mode consists of moncolor mode and multicolor mode

Claim 26

The color image processing apparatus of claim 18, wherein the index signal is selected in the multicolor mode.

Claim 27

The color image processing apparatus of claim 18, wherein the encoder signal is selected in the monocolor mode.