Class 399/216 - By pivoting mirror

Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein a means or method is provided for
No. of patents: 36
Last issue date: 07/04/2006

Number	Title	Issue Date
7072122	Lens apparatus, projection type optical apparatus and projection type image display apparatus An optical apparatus according to the present invention has a plurality of lens units which can move in the direction of an optical axis, each of the lens units has a cam follower, a guide member which guides the each lens unit in the direction of the optical axis, ...	07/04/2006
7058328	Rotation control and heating control for a fixing rotatable member in rotational induction-heating type apparatus A fixing apparatus has a coil for forming a magnetic field; a fixing rotatable member for fixing an unfixed toner image carried on a recording material thereon by heat generated by eddy currents which is generated by the magnetic field; an electric power supply cont...	06/06/2006
7021735	Reduction of color plane alignment error in a drum printer An imaging system including a rotatable device configured for rotation, a memory including an error table having a plurality of error entries and a position detection apparatus coupled to the rotatable device, the position detection apparatus having at least one pos...	04/04/2006
7019916	Lens apparatus, projection type optical apparatus and projection type image display apparatus An optical apparatus according to the present invention has a plurality of lens units which can move in the direction of an optical axis, each of the lens units has a cam follower, a guide member which guides the each lens unit in the direction of the optical axis, ...	03/28/2006
6983112	Rotation control and heating control for a fixing rotatable member in rotational induction-heating type apparatus A fixing apparatus has a coil for forming a magnetic field; a fixing rotatable member for fixing an unfixed toner image carried on a recording material thereon by heat generated by eddy currents which is generated by the magnetic field; an electric power supply cont...	01/03/2006
6856338	Image forming apparatus This invention has as its object to provide an image forming apparatus in which the number of beam detectors is decreased and which is low in cost and high in the accuracy of the registration position of an image of each color as well as high in quality. To this end...	02/15/2005
5761582	Optical adjustment device for an image forming apparatus In a device for adjusting an optical system arranged in such that a scanning mirror is moved in a direction perpendicular to a main scanning line so as to reflect a line-shaped image light line by line, a first V-mirror is moved in synchronization with th...	06/02/1998
5610407	Optical image scanning apparatus detecting sheet size and displacement An image scanning apparatus can obtain, using a simple optical detection system, original sheet information including size and displacement information of an original sheet before an image scanning operation starts. The image scanning apparatus comprises ...	03/11/1997
5585912	Image forming apparatus with movable mirrors along two optical paths to expose an image onto a selected photosensitive drum An image forming apparatus includes a plurality of image forming units, each unit developing a latent image formed on a respective photosensitive drum with a respective color toner to form an image on a sheet of paper. The image forming apparatus includes...	12/17/1996
5576808	Image forming apparatus having contact charger An image forming apparatus includes a charging member in contact with a photosensitive member for applying a charging voltage at least containing an a.c. component, a laser beam irradiator having a polygon mirror to form an electrostatic latent image and ...	11/19/1996
5392101	Shading compensation device for an image forming apparatus An image forming apparatus has auxiliary reflecting mirrors placed around the lateral peripheries of a fixed reflecting mirror and a controller for moving the auxiliary reflecting mirrors so as to control the distance therebetween according to the size of...	02/21/1995
5153637	Reader printer incorporating scanning plane mirror therein A reader printer is disclosed which incorporates therein a scanning plane mirror for projecting an image in the form of a slit on a sensitive material. The sensitive material is shifted proportionately to the rotation of the scanning mirror so that the po...	10/06/1992
5051328	Photosensitive imaging member with a low-reflection ground plane A layered photosensitive imaging member is modified to reduce the effects of interference within the member caused by reflections from coherent light incident on a base ground plane. The modification described is to form the ground plane of a low-reflecti...	09/24/1991
4919499	Optical printer of scaning type An optical printer of the scanning type includes a light emitting element which is drivable in accordance with printing data for emitting light. The printer also includes an optical system which passes the light through the system to focus the light on a ...	04/24/1990
4800413	Reader printer A reader printer includes a rotatable scanning mirror disposed in an optical path formed between a projection lens and a printer section in correspondence with a printer mode, the scanning mirror being rotated to perform scanning of an image and a movable...	01/24/1989
4783685	Reader-printer A reader-printer apparatus is disclosed for displaying and printing microimages, such as microimages of computer data, from microfiche having a plurality of frames wherein the major axis of each frame is oriented transversely. The apparatus is adapted to ...	11/08/1988
4457616	Variable magnification optical apparatus A variable magnification optical apparatus for projecting an image at a first plane onto a second plane includes an optical system for forming an image of the first plane on the second plane, a first mirror disposed between the image-forming optical syste...	07/03/1984
4409624	Raster scanning apparatus A raster input scanner incorporating a scanning array, a platen for supporting documents to be scanned, a lens, and an illuminator. The lens is supported for micro movement in close proximity to the array, such movement being imparted by a linear motor. I...	10/11/1983
4386843	Scanning system for document reproduction device An optical system for scanning a document in an object plane includes a pivoting mirror and a projection lens which projects an image onto the surface of a photoreceptor. By rotating and translating the projection lens while simultaneously moving an apert...	06/07/1983
4367945	Slit exposure optical system for an electrophotographic copying apparatus In an electrophotographic copying apparatus of the type using a slit exposure optical system, two carriages carrying a light source and the means for directing an image toward a projection lens are driven relatively to one another through a wire sheave de...	01/11/1983
4367034	Scanning system for copier An optical system for a copying device is disclosed which scans a document lying in an object plane by means of a pivoting mirror and projects an image of the document onto the surface of a photoreceptor drum. By rotating the projection lens while simulta...	01/04/1983
4353638	Copying apparatus The present invention is concerned with a copying apparatus of the type which is provided with a reciprocal scanner, and in which copy operation is carried out not only during the forward movement of the scanner but also during the backward movement of th...	10/12/1982
4341459	Scanning projection apparatus A scanning projection apparatus including a first imaging optical system, a first plane provided on one side of the optical system, a deflector for deflecting a light beam emerging from the first plane and passing through the first imaging optical system,...	07/27/1982
4298271	Scanning and projecting device A scanning and projecting device of a construction having a rotationally symmetrical first image forming optical system, a scanning surface disposed on the focal plane of the optical system, a deflector to deflect a parallel light beam emitted from the sc...	11/03/1981
4270858	Scanning and projecting device A scanning and projecting device for scanning a first plane by a light deflecting device interposed between the first plane and a second plane, and sequentially projecting a partial plane of the first plane scanned by the deflector onto a predetermined po...	06/02/1981
4259004	Scanning device with optical path length compensator A scanning device for scanning a flat scanned surface by means of a rotating or rotatively vibrating deflector. The scanning device is provided with a rotational asymmetric image forming optical system disposed between the deflector and the scanned surfac...	03/31/1981
4213690	Copying apparatus having a high-speed copying optical system A copying apparatus having an optical system comprising a fixed original carriage, a rotatable mirror for scanning the original carriage and an image forming optical system for imaging a light flux from the rotatable mirror on a photosensitive medium, sai...	07/22/1980
4129379	Optical system for electrostatic copiers An optical system for use within a copying machine of the type in which sequential line portions of the original document are illuminated and the light therefrom is reflected by a primary mirror onto an objective element which, in turn, forms a focussed i...	12/12/1978
4118118	Electrostatic copier machine with selectable magnification ratios A xerographic copier machine capable of producing copies of an original document in a selectable magnification ratio. The machine includes an object mirror and a light source forming a scanning assembly which travels at a uniform velocity under a transpar...	10/03/1978
4067640	Apparatus for synchronously scanning a flat platen with a rotating mirror A flat platen, rotating mirror scanning system is disclosed in which the angular velocity of the rotating mirror is continually varied from end to middle to end of scan to effect a constant speed of scan across the platen surface. This is achieved by prov...	01/10/1978
4054359	Apparatus for synchronously scanning a flat platen with a rotating mirror using pulleys A flat platen, rotating mirror scanning system is disclosed in which the angular velocity of the rotating mirror is continually varied from end to middle to end of scan to effect a constant speed of scan across the platen surface. This is achieved by prov...	10/18/1977
4005933	Copying and telecopying device Copying and telecopying device using a mechanism ensuring the analysis of a document by a scanning beam which, transmitted from the document, is sent to a drum coated with selenium. According to the invention, the equipment is completed by a laser source ...	02/01/1977
3997260	Improvements in or relating to scanning lens systems for electrostatic copying machines The invention relates to electrostatographic copiers and in a first embodiment an optical arrangement is provided in which the image of an original placed on a part-cylindrical platen is reflected via a first mirror through a movable scanning lens onto a ...	12/14/1976
3973825	Flat field scanning system A flat field scanning system is disclosed which has the following characteristics: (a) a stationary lens is located between a scanning mirror and a medium; (b) the mirror is moved linearly for scanning; (c) at the start of scan, a beam is directed from or...	08/10/1976
3966319	Flat field scanning mirror A rotatable "Y" scan mirror for a flat field scanning system is provided whereby the mirror is shifted in opposite directions transverse to its pivotable axis and is simultaneously rotated in one direction during a scanning cycle. A pair of cams is mounte...	06/29/1976
3963343	Camming systems A cam system to drive an oscillating mirror used to keep the movement images projected onto the moving drum of a xerographic reproduction machine in register. The cam system uses a cam, a cam follower, a drive to move the cam follower to and from a start ...	06/15/1976

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Class 399/216 - By pivoting mirror