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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Larson; Ove
Address:
Vastra Frolunda, SE
No. of patents:
13
Patents:












Patent Number Title Of Patent Date Issued
6229514 Display device and method for visualizing computer generated image information May 8, 2001
A display for digital/analogous visualization of computer stored and bitmapped, in the form of still or moving patterns, (e.g., text or images) or the like, on or by way of at least one visualization medium. The display consists of one matrix including at least two sets of electrodes,
6017116 Method and device for feeding toner particles in a printer unit January 25, 2000
A method and device for charging and feeding toner particles in a printing device include at least one printer unit. The toner unit includes at least one container, one back electrode and one control electrode provided with apertures and electrodes. The toner particles are transported to
6000786 Method and apparatus for using dual print zones to enhance print quality December 14, 1999
A printer unit of a printer device having at least one printer unit which includes at least one toner container for toner particles and an electrode unit, including electrodes and apertures surrounded at least partly by the electrodes. The electrode unit is arranged to control the transp
5854614 Display device and method for visualizing computer generated image information December 29, 1998
An information display device including, as main components, a thermosensitive material layer which can be gradually converted between a completely opaque state and a completely transparent state under the influence of temperature, an electrode matrix, a control device for multiplexi
5818490 Apparatus and method using variable control signals to improve the print quality of an image rec October 6, 1998
The present invention relates to a method for improving the print quality of an image recording apparatus in which charged particles are transported from a particle source and deposited in an image configuration on an information carrier. Variable control voltages are supplied to control
5818480 Method and apparatus to control electrodes in a print unit October 6, 1998
The present invention relates to a method and means to control one or several electrodes in a print unit, comprising: at least one toner carrier, electrode means, having apertures at least partly surrounded by said electrodes, at least one back electrode. The electrodes are connected
5801838 Method and device to improve print quality of gray scales and color for printers September 1, 1998
Method to improve the printing quality at reproduction of half-tone originals by means of printers of the type, in which a number of dots are brought together in a cell (pixel). A minimum of two dots form a cell where each dot in the cell is controlled individually with respect to the
5774159 Direct printing method utilizing continuous deflection and a device for accomplishing the method June 30, 1998
An apparatus and method provide direct electrostatic printing onto an information carrier. Computer-generated electronic signals define an image and are converted to a pattern of electrostatic fields to selectively control the deposition of charged toner particles in an image configu
5526029 Method and apparatus for improving transcription quality in electrographical printers June 11, 1996
A method and apparatus for improving printing quality in electrographic printers includes an electrode device for generating a latent electrostatic charge pattern from electric signals. The electrode device is arranged within a gap area between a particle carrier and a back electrode
5477250 Device employing multicolor toner particles for generating multicolor images December 19, 1995
Device for generating multicolor images which employs a latent electric charge pattern and development of this on an information carrier (21) using toner particles (16) of different colors. Separate developers (10-13) are used for each color. Each developer (10-13) is individually pr
5446478 Method and device for cleaning an electrode matrix of an electrographic printer August 29, 1995
A method and device for improving the printing performance of electrographic printers, in which a latent electrical charge pattern of electric signals is produced by an electrode matrix or the like, which temporarily produces electrical fields for attraction of pigment particles towa
5307092 Image forming device April 26, 1994
An image-forming device for an electrographic printer, in which a latent electrical charge pattern of electrical signals is produced in an electrode unit having an electrode matrix situated between a particle carrier and a backing electrode. The matrix comprises a screen or grid of e
5235354 Method for improving the printing quality and repetition accuracy of electrographic printers and August 10, 1993
Method and device to improve printing quality and the repetition accuracy of electrographical printers, in which are produced a latent electric charge pattern of electrical signals by means of an electrode matrix or the like, which respectively opens and closes passages between electrode










 
 
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