U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 399/199 - Additional lens


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein copy magnification is varied through
No. of patents: 15
Last issue date: 10/07/2008


NumberTitleIssue Date
7433092Transparency media adapter and methods of use thereof
Transparency media adapter and methods of using the same. Implementations of a system may comprise an imaging device having a light source and at least one sensor. A media adapter operatively associated with the imaging device includes a first reflective surface and...
10/07/2008
7228088Color image forming apparatus and color image forming method
In an image forming apparatus of the present invention capable of forming a full-color image by superposing a black toner image formed by a black image forming unit using a developing and simultaneous cleaning type developing unit over color toner images obtained by...
06/05/2007
7110697Developer layer thickness regulating device for a developing unit
A developer layer thickness regulating device for a developing unit improves the sealing effect of a developer by regulating a thickness of a developer layer formed on a developing roller. The device includes a blade having a blade body that is in resilient contact ...
09/19/2006
6587247Optical lens of optical scanner
An optical scanner that may assemble the lens design for varying the focus and resolution, having a light source, a reflection compound mirror, a charge coupled device, a basic objective lens and a compound lens. The basic objective lens is designed by si...
07/01/2003
6542257Image formation apparatus which forms images of four pages on both faces of sheet in such a manner as images of two pages are formed on each face
An image formation apparatus that loads a sheaf of originals obtained by stacking a sheaf of the originals to be copied and a sheaf of originals for front and reverse cover sheets, feeds the originals one by one from the loaded sheaf, reads the fed origin...
04/01/2003
4771316Copying device utilizing a parallel lens array
An electrophotographic copying machine device provided with a pair of lens arrays installed in parallel to enable variable- or actual-size copying and a means for selectively directing the light-path, allowing each lens array to select its light-path befo...
09/13/1988
4653898Scan type anamorphic magnifying apparatus
A scan type anamorphic magnifying apparatus provided with a scanning device for scanning an original document in form of a slit, an image forming device for projecting and forming an image of the scanned document on a photosensitive member, and a device f...
03/31/1987
4624543Method and apparatus for electrophotographically processing information
Electrophotographic apparatus capable of being operated in the copying mode and scanning mode and in the printing mode and scanning mode, in which a latent electrostatic image, formed on the photoconductor, is developed. The photoconductor has a light-ref...
11/25/1986
4595275Variable magnification copying apparatus
In m1 magnification copy mode, a photosensitive member, at the first exposure station is exposed to the light image of an original existing at the first illumination position through a first lens array. In m2 magnification copy mode,...
06/17/1986
4483608Variable magnification copying apparatus
A variable magnification copying apparatus for obtaining a copy changed in size from an original pattern comprises an optical system having an optical axis, a movable carrier on which the optical system is mounted so as to be movable with the carrier and ...
11/20/1984
4459010Linear lens array scanning system for a multi-magnification copier
A document reproduction system is disclosed which employs an imaging array assembly positioned to transmit reflected images from a document in an object plane onto an imaging plane. The imaging assembly includes a 1X lens array and at least one reduction/...
07/10/1984
4420245Electrophotographic copier having movable optical elements for changing the magnification of an original document
An electrophotographic copier for forming a copy of a document with a unit image magnification and a modified magnification, i.e. reduced or enlarged magnification is disclosed. A converging optical fiber array for forming a life-size image of a document ...
12/13/1983
4415259Variable magnification and reciprocal exposure copying method
A variable magnification and reciprocal exposure copying method in which the image of an original is introduced onto a photoconductor which is moved in a predetermined direction by reciprocating mirrors relative to the original, so that the photoconductor...
11/15/1983
4370055Duplicating system comprising electrophotographic copying apparatus and option device
A duplicating system comprises an electrophotographic copier which includes a first optical scanning system for making a slit exposure, a first document feeder for feeding a first document to be copied at a first speed with respect to the first optical sc...
01/25/1983
4118118Electrostatic 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
 
Sign InRegister
Username  
Password   
forgot password?