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7804511 Image forming apparatus, exposure apparatus, image holder, image forming method, and exposing method  
An image forming apparatus includes: an image holder; an exposure member that has an exposure portion exposing the image holder; a first positioning unit that determines a distance in a first...
7777769 Image forming unit and image forming apparatus  
An image forming unit is provided in which, through making a distance limiting member to limit a distance between an exposing unit and an image carrying body be able to contact and separate with...
6801232 Distance maintaining member between optical head and image drum  
A positioning apparatus for an optical head includes a cylindrical photoconductive drum, an optical head, and at least one spacer. The cylindrical photoconductive drum extends in a direction of a...
6160564 Color electrostatic recorder with adjustable pressure on a recording medium  
A color electrostatic recorder of a single path system includes electrostatic recording heads conveyed in sliding contact with a recording medium for forming electrostatic latent images, developers...
6091434 Method of calibrating distances between imaging devices and a rotating drum  
Optimization of distances between each of an array of imaging devices and the surface of an oppositely disposed rotating drum is accomplished without disturbing the mechanical mounting of the...
5666147 Method for dynamically positioning a control electrode array in a direct electrostatic printing device  
A method and device to enhance the printing quality of direct electrostatic printers which utilize an electrode array and electrical signals to generate an electrical field to cause toner particles...
5552814 Image recording apparatus wherein toner carrier member and particle-flow modulating electrode member are held in contact with each other  
An apparatus for forming an image on a recording medium by deposition of a toner, including a particle-flow modulating electrode member having apertures formed therethrough and control electrodes...
5495273 Image recording apparatus having spacer between aperture electrode and opposing electrode  
An image recording apparatus having an aperture electrode and an electrically conductive opposing electrode. The aperture electrode selectively allows toners to pass. A sheet is backed by the...
5485190 Printhead writer assembly engageable with a web image member  
A linear printhead writer assembly includes a linear source of radiation such as an LED printhead, and an elongated linear focusing device such as a linear lens array, and a support housing for...
5374981 Electrostatic recording apparatus capable of maintaining constant gap between flexible recording electrodes and opposite electrode by flexible recording electrodes  
An electrostatic recording apparatus includes a developing agent carrier member provided to extend along a predetermined path. A developing agent convey unit conveys a developing agent along the...
5305025 Elastica counter electrode for an electrostatic recorder  
An improved counter electrode assembly for an electrostatic recorder in which the recorder applies electrical charges, in image configuration, upon a movable image recording member by means of a...
5225855 Electrographic flare reduction by spacing and gas control  
An apparatus for selectively setting the distance between the write head of an electrographic printing apparatus and a recording medium in combination with the use of a gas, present in the gap...
5177531 Electrostatic recorder and electrostatic latent image measuring instrument  
An electrostatic recorder including an electrostatic latent image measuring instrument for measuring a state of an electrostatic latent image formed on a photosensitive substance, and executed a...
5150133 Electrostatic latent image forming apparatus  
An electrostatic latent image forming apparatus is used in a printer which prints an image via toner deposition after an electrostatic latent image forming step. A conductive member divided into...
5089846 Positioning means for a pivotally mounted electrostatic image forming means  
Electrostatic image forming device according to the present invention is contacted with a surface of a photosensitive drum by way of a positioning member so that it may follow the photosensitive...
5063397 Variable-thickness imaging members  
A method and apparatus for developing an image wherein a distance between a charge receiving surface and a conductive surface is varied. During charging of the charge receiving surface, the...
5028938 Printing head  
A printing head comprising a plurality of printing electrodes positioned in parallel with each other on a surface of an electrically insulating board. At least the sliding surfaces of the printing...
4951070 Charge transfer imaging cartridge mounting and printer  
There is described a cartridge mounting for locating a cartridge in a printer adjacent a print drum for receiving a charge image from the cartridge. The cartridge includes a spine and has a...
4935755 Printing head  
A printing head comprising a thin resin board, printing electrodes positioned in parallel with each other mounted thereon, projections of an electroconductive substance on the electrodes, and slits...
4920356 Electrographic recording receiver  
Disclosed is an electrographic recording receiver for use in a process where styli in a writing head deposit electric charges on an electrographic receiver. The receiver comprises a substrate...
4905026 Gas-supported electrographic writing head  
A writing apparatus for forming an electrostatic latent image on a charge-retentive image carrier in which the writing head is biased by a force so that the writing head tends to contact the image...
4862198 Electrostatic cleaning of electrodes in an electrographic printer  
The print head of an electrographic printer is cleaned electrostatically. The printhead has a number of electrodes in an electrode array, which cooperate with a dielectric belt. Periodically,...
4819013 Ion generation compensation  
An ion generation system employed in forming electrostatic images on a dielectric surface in which compensation is made for variations in the electrostatic images. The desired compensation is...
4748463 Printing apparatus  
A printing apparatus transfers an ink layer corresponding to an image formed on a conductive light reflective layer by electrosensitive recording onto a recording paper. The apparatus is provided...
4573061 Image recording apparatus  
An image recording apparatus includes a recording electrode having an array of electrode elements which are electrically isolated, a recording material on which an image is recorded, a driving...
4567495 Record head cleaning device for image recording apparatus  
A record head of an image recording apparatus is reciprocally tilted to suitably vary the contact condition between the surface of the record head and that of a recording medium, thereby removing...
4518975 Electrostatic recording apparatus  
An electrostatic recording apparatus for recording, developing and fixing an image on a sheet of recording paper includes an electrostatic recording head and a roller for forming an electrostatic...
4502797 Arrangement for pressing a print head against a record carrier  
Arrangement for a print head having at least one print electrode and being movable relative to a record carrier transported over a support, and pressed down onto the record carrier by the effect of...
4476473 Electrostatic record image forming method  
The auxiliary electrodes in a multi-stylus electrode assembly are coated with an insulating paint to permit precharging of the recording medium.
4459603 Mechanism for urging an electrostatic recording medium to a multi-stylus electrode head  
A mechanism for urging an electrostatic recording medium towards a multi-stylus electrode head having needle type charge electrodes and auxiliary electrodes includes a base plate, an elastic member...
4450489 Floating disc photoconductive film reader  
A photoconductive film reader comprises a disc with a read head attached to its bottom surface at an edge point and rotated over the photoconductive film at a sufficiently high velocity so that the...
4409603 Electrographic method and apparatus  
A method and apparatus are described wherein, a charge pattern is applied to an insulating imaging member by styli in contact to the insulating imaging member, the force of the styli on the imaging...
4393390 Electrostatic printer  
An electrostatic printer for printing images on an electrostatic recording medium. The electrostatic printer includes an elongated electrode and a back electrode. The back electrode is spaced from...
4315270 Backup electrode for an electrostatic recorder  
A backup electrode arrangement comprises a resilient insulating member across one surface of which are a plurality of electrode segments separated from one another and comprising an electrically...
4308548 Electrode assembly having particular pressing plate and backplane board arrangement for facsimile machine  
The assembly includes a stylus board which comprises an insulating board which carries a plurality of styli, and a backplane board which is made up of a plurality of electrode strips carried by an...
4258372 Small clearance retention apparatus  
The small clearance retention apparatus comprises a cylindrical rotating member, a recording or otherwise cooperating member disposed in close proximity with the cylindrical rotating member so as...
4257054 Recording apparatus  
The recording apparatus comprises a recording electrode and a drum disposed in close proximity with the recording electrode with a predetermined small clearance therebetween and is capable of...
4254424 Electrostatic recording apparatus  
The present disclosure is directed to electrostatic recording devices wherein a latent electrostatic image is recorded on a dielectric coated sheet by a stylus array spaced apart from the sheet to...
4250513 Linear vertical adjustment mechanism  
This invention relates to a linearly adjustable support mechanism in general, and more specifically to an apertured adjustment disc which provides a plurality of incremental linear, vertical...
4233611 Recording head for electrostatic printing apparatus  
An electrostatic printing apparatus having a transfer medium with a charge retentive surface for forming an electrostatic latent image, and a developer to develop the electrostatic latent image on...
4208965 Method for electrostatic assistance in printing processes, and printing machines having electrostatic substrate contact pressure  
A method for electrostatic assistance of the printing process in printing machines, in which method a printing substrate, being of a material which is not electrically conductive, is passed between...
4192232 Electrostatic image recording method and apparatus therefor  
In an electrostatic image recording apparatus employing a series of recording styluses for forming a latent image on an electrostatic image recording drum, an over-discharge is conducted either by...
4189736 Facsimile stylus assembly  
A facsimile stylus assembly comprises one or more electrical conductors which are completely enshrouded by an electrically insulating sheath except for one end of the conductors which terminates in...
4163980 Recording electrode assembly for use in electrostatic reproduction  
A recording device for use in electrostatic reproduction of an image on a recording medium includes a support, two carrier plates juxtaposed relative to each other on the support, covers for the...
4137536 Electrostatic printing device with air cushion guiding  
An electrostatic printing device comprising a rotatable printing roller with stylus electrodes. In order to keep the distance of the images or of the recorded sheets small and the images themselves...
4101908 Adjustable mount for electrostatic printer stylus within cylindrical printing roller  
An electrode stylus which is arranged in an aperture of a rotatable printing roller is secured in a cylindrical insert of the roller by means of an electrode holder. The electrode holder comprises...
4096488 Modular stylus assembly  
A modular stylus assembly for printing on electrosensitive sheets includes, in combination, a print-head module having a first wall, a pair of spaced second walls extending from the first wall and...
4095236 Electronic stencil engraving machine stylus and support  
A support for the stylus used in an electronic stencil cutting machine for burning or engraving information into stencil material mounted for relative movement with respect to said stylus, includes...
4074283 Non-mechanical printer operating in accordance with an electrographic process  
A non-mechanical printer for use in an electrographic process comprising a drum-shaped data carrier, a recording head and a gas bearing for supporting the recording head on a cushion of gas in...
4028711 Method of and device for electrostatic printing  
An electrostatic printer having electrodes which each are constructed as a needle arranged on a rotatable drum mounted for translatory movements. At the recording area the needle slides directly...
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