摘要:
Apparatus for detecting concentrations of colored toner particles in the presence of black or other absorbing toner particles including a light source, a light detector having a field of view of less than about .+-.10 degrees and preferably less than .+-.5 degrees, apparatus for supplying a dispersion of colored toner particles optionally containing undesirable contamination by black toner particles between the light source and the detector and computing circuitry operative for determining the concentration of the colored toner particles utilizing output from the light detector.
摘要:
An image having enhanced cohesiveness is provided by treating the image with heat, ultraviolet radiation or chemical agents prior to transfer of the image from a photoconductor. Treating the developed image improves the efficiency of transfer, reduces the amount of residue remaining on the photoconductor and enables high quality images on a wide variety of substrates to be obtained.
摘要:
An imaging process including the steps of forming an electrostatic image on a photoconductor surface, developing the electrostatic image with a liquid developer to form a developed image on the photoconductor surface, and transferring the developed image from the photoconductor surface to a final substrate. The cohesiveness of the developed image on the photoconductor surface is enhanced by the application of heat, ultraviolet radiation or a catalytic agent to the developed image on the photoconductor surface.
摘要:
Imaging apparatus including an imaging surface having a toner image formed thereon and an intermediate transfer member, which receives the toner image from the imaging surface and from which it is subsequently transferred. The intermediate transfer member includes a drum having mounting recesses formed therein and an intermediate transfer blanket mounted on the drum. The blanket has a layered transfer portion having a transfer surface on one face thereof which receives the toner image and optionally an adhesive layer on the opposite face thereof and a mounting fixture, attached to one edge of the layered transfer portion and adapted to mate with the mounting recesses in the drum, whereby the transfer blanket is fixedly and removably mounted on the drum.
摘要:
Dual color imaging process and system providing formation of an image having adjacent first and second areas respectively containing first and second types of pigmented particles undesirably separated by third areas relatively free of particles of the first and second types and causing the image to flow into the third areas, thereby at least partially eliminating the third areas.
摘要:
An imaging system including apparatus for forming a latent image on a surface, the latent image including a first portion having a high level of electrostatic charge, a second portion having a low level of electrostatic charge and a third portion having an intermediate level of electrostatic charge, and apparatus for developing the latent image by contacting it with a liquid toner composition comprising an insulating, nonpolar liquid having admixed therewith a first type of pigmented particles having charges of a first polarity and a second type of pigmented particles having charges of an opposite polarity, such that the first type of pigmented particles becomes deposited onto the first portion and the second type of pigment particles becomes deposited onto the second portion.
摘要:
An optical system for transmitting a stereoscopic image to a right eye and a left eye of a user is disclosed. The system comprises an optical relay device, having a light-transmissive substrate, an input grating, a left output grating and a right output grating. The optical relay device is designed and constructed such that light is diffracted by the input grating, propagates within the light-transmissive substrate via total internal reflection, and diffracted out of the light-transmissive substrate by at least one of the left and right output gratings. The system further comprises an image generating system, optically coupled to the input grating and configured for providing collimated light constituting a left-eye image and a right-eye image wherein the left-eye image is parallactically related to the right-eye image. In various exemplary embodiments of the invention the left-eye image and the right-eye image are spectrally modulated according to different spectral maps, selected to provide different optical information to different eyes.
摘要:
A method and apparatus for transferring liquid toner images from an image forming surface (10) to an intermediate transfer member (40) for subsequent transfer to a final substrate (42). the liquid toner images include carrier liquid and pigmented polymeric toner particles which are essentially non-soluble in the carrier liquid at room temperature, and which form a single phase at elevated temperatures. The method includes the steps of: concentrating the liquid toner image by compacting the solids portion of the liquid toner image and removing carrier liquid therefrom; transferring the liquid toner image to the intermediate transfer member (40), heating the liquid toner image on the intermediate transfer member (40) to a temperature at which the toner particles and the carrier liquid form a single phase; and transferring the heated liquid toner image to a final substrate (42).
摘要:
A method for maintaining a preselected concentrations of first and second charge directors in a toner composition, where such composition is being subjected to a use in which initial concentrations of the first and second charge directors are being depleted.
摘要:
A process for preparing a liquid toner compsition which includes the steps of combining first and second types of pigmented particles and mixing them together whereby the first type of pigmented particles acquire charges of a first polarity and the second type of pigmented particles acquire charges of a second polarity opposite to the first polarity.