Programming control system for printing machine

Claim 2

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatim sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, programming means associated with said image producing means and said sheet feeding means and operative when activated for controlling actuation of the latter in timed sequence relative the production of each latent image by said image producing means, said programming means including means for effecting the activation thereof once in each of predetermined time cycles, and means responsive to the speed of movement of the belt for resetting said time cycle.

Claim 3

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatim sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, means for generating in equal cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of the latter in timed sequence relative the production of each latent image by said image producing means for each of said cycles, and means responsive to the speed of movement of the belt for resetting each of said time cycles.

Claim 4

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatim sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, means for generating in equal cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of the latter in timed sequence relative the production of each latent image by said image producing means for each of said cycles, and means responsive to the speed of movement of the belt for resetting each of said time cycles.

Claim 5

The apparatus of claim 2 wherein said generating means is a timing device.

Claim 6

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatIm sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, means for generating in equal cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of the latter in timed sequence relative the production of each latent image by said image producing means for each of said cycles, a transfer roller adjacent the transfer station for supporting each sheet of material in contact with the belt during transfer of developed images, said roller having a peripheral rotative speed equal to the speed of movement of the belt, said generating means being operatively connected to said roller for producing operation of the former during rotation of the latter.

Claim 7

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatIm sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, means for generating in equal cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of the latter in timed sequence relative the production of each latent image by said image producing means for each of said cycles, a transfer roller adjacent the transfer station for supporting each sheet of material in contact with the belt during transfer of developed images, said roller having a peripheral rotative speed equal to the speed of movement of the belt, said generating means being operatively connected to said roller for producing operation of the former during rotation of the latter.

Claim 8

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatim sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, means for generating in equal cycles series of control pulses, said generating means including means associated with said image producing means for controlling actuation of the same at the rate of one image producing operation in each series of generated pulses, and means responsive to the speed of movement of the belt for resetting each of said time cycles.

Claim 9

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatim sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, means for generating in equal cycles series of control pulses, said generating means including means associated with said image producing means for controlling actuation of the same at the rate of one image producing operation in each series of generated pulses, and means responsive to the speed of movement of the belt for resetting each of said time cycles.

Claim 10

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatim sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, programming means associated with said image producing means and said sheet feeding means and operative when activated for controlling actuation of the latter in timed sequence relative the production of each latent image by said image producing means, said programming means including means for effecting the activation thereof once in each of predetermined timed cycles, and means responsive to the distance of movement of the belt for resetting said time cycle.

Claim 11

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt including, means for producing electrostatic latent images on said belt, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt, means for feeding seriatim sheets of copy material at the rate of one sheet per actuation thereof from a supply thereof and to said transfer station at which each developed image is transferred to said sheets, programming means associated with said image producing means and said sheet feeding means and operative when activated for controlling actuation of the latter in timed sequence relative the production of each latent image by said image producing means, said programming means including means for effecting the activation thereof once in each of predetermined timed cycles, and means responsive to the distance of movement of the belt for resetting said time cycle.

Claim 12

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt and a plurality of processing devices arranged when activated for producing electrostatic latent images on the belt, for developing the images and for transferring developed images to moving support material, and drive means operatively connected to the belt for driving the same in the endless path, the improvement comprising, means for generating a series of control signals, said generating means including an element drivingly connected with the belt drive means to be driven thereby for its generating operation, and means responsive to the control signals for controlling activation of at least one of the processing devices.

Claim 13

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt and a plurality of processing devices arranged when activated for producing electrostatic latent images on the belt, for developing the images and for transferring developed images to moving support material, and drive means operatively connected to the belt for driving the same in the endless path, the improvement comprising, means for generating a series of control signals, said generating means including an element drivingly connected with the belt drive means to be driven thereby for its generating operation, and means responsive to the control signals for controlling activation of at least one of the processing devices.

Claim 14

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt and a plurality of processing devices arranged when activated for producing electrostatic latent images on the belt, for developing the images for feeding sheets seriatim, and for transferring developed images to the moving support material, and drive means operativEly connected to the belt for driving the same in the endless path, the improvement comprising, means for generating a series of control pulses, said generating means including an element drivingly connected with the belt drive means, and means responsive to different predetermined numbers of the control pulses for controlling activation of some of the processing devices.

Claim 15

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt and a plurality of processing devices arranged when activated for producing electrostatic latent images on the belt, for developing the images for feeding sheets seriatim, and for transferring developed images to the moving support material, and drive means operativEly connected to the belt for driving the same in the endless path, the improvement comprising, means for generating a series of control pulses, said generating means including an element drivingly connected with the belt drive means, and means responsive to different predetermined numbers of the control pulses for controlling activation of some of the processing devices.

Claim 16

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt and a plurality of processing devices arranged when activated for producing electrostatic latent images on the belt, for developing the images, for feeding sheets seriatim, and for transferring developed images to the moving support material, and drive means operatively connected to the belt for driving the same in the endless path, the improvement comprising, means for generating a series of control pulses, said generating means including an element drivingly connected with the belt drive means, and means responsive to a predetermined number of the control pulses for initiating activation of at least one of the processing devices.

Claim 17

An electrostatic printing apparatus for reproducing copies of an original having an endless movable photoreceptor belt and a plurality of processing devices arranged when activated for producing electrostatic latent images on the belt, for developing the images, for feeding sheets seriatim, and for transferring developed images to the moving support material, and drive means operatively connected to the belt for driving the same in the endless path, the improvement comprising, means for generating a series of control pulses, said generating means including an element drivingly connected with the belt drive means, and means responsive to a predetermined number of the control pulses for initiating activation of at least one of the processing devices.