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WO/1993/008029A1 |
In case of processing information by mounting an additional control device on an electronic equipment, data are transferred at a high efficiency between the electronic equipment and the additional control device. The electronic equipment...
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WO/1993/007001A1 |
For writing bits (or pixels) on a target (36) by scanning a continuous wave laser beam (13) across an array of concave mirrors (M1-M7), the radiation reflected from the concave mirror array (M1-M7) images a row of stationary dots (D1-D7)...
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WO/1993/004552A1 |
A thermal printer is disclosed which is adapted to form an image on a thermal print medium of a type in which a donor element transfers dye to a receiver element upon receipt of a sufficient amount of thermal energy. The printer includes...
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WO/1993/004443A1 |
A printing head (1) with printing elements (11) arranged in a main direction (12) is moved to and fro linewise (5) in relation to a substrate (2), whereby, where necessary, printing points (DP) are generated according to predetermined pr...
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WO/1993/004444A1 |
An image forming apparatus includes a plurality of laser diodes (111) which provide a source of writing radiation. The output of each laser diode is fed by an optical fiber (60) to a printhead where a lens (56) having a high numerical ap...
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WO/1993/003456A1 |
The disclosure relates to a laser marking system, using a displaceable mirror to cause the path of the laser beam to scan in one direction. The mirror is conveniently controlled by at least one flexure hinge driven by a piezoelectric dev...
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WO/1993/001565A1 |
A page printer controller comprising an instruction processor, a printer video processor having a video port, a data and instruction cache memory, a memory controller for interconnecting the printer video processor with external memory, ...
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WO/1993/000696A1 |
A deflected beam optical scanning system is disclosed including means for generating a composite beam (24) having at least one scanning beam (14) which impinges at spot (42) on scanned surface (38) and a position sensing beam (18) which ...
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WO/1992/022888A1 |
When an operation such as enlargement or scale-down to a designated character size is carried out for an outline font used in word processors, personal computers, printers, editing machines, computerized phototypographic machines, etc, t...
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WO/1992/022430A1 |
A new process for printing or construction of 3-dimensional objects comprises a pattern-controllable application, possibly in several successive layers, of a particulate material onto a receiving unit from a semiconductor die having memo...
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WO/1992/022109A1 |
A laser beam scanning apparatus employs a movable reflector (32) having a large number of flat reflective sides (44) and a deflector (16) which shifts the laser beam (10) at high speed across a plurality of the reflective sides (44). The...
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WO/1992/022042A1 |
Printer apparatus provides a grayscale bitmap from a bitonal bitmap of desired output data. The apparatus includes a mapping function implemented as a lookup table for assigning predetermined grayscale values to bitonal bitmap pixels acc...
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WO/1992/021069A1 |
A laser beam scanner (53) is provided to project a laser beam onto the surface of an electrically charged image carrier (5). The laser scanner (53) has a semiconductor laser array (21) equipped with a plurality of light-emitting portions...
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WO/1992/020003A1 |
A cathode ray tube (14) provides a two-dimensional sequential scan pattern on which dots for scanning or printing are presented as sports of light provided in sequence. A fiber optics array (12) with one end facing the cathode ray tube (...
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WO/1992/020041A1 |
This invention is directed to the use of a single optical sensor (38) to replace two mechanical sensors (16) in a pen plotter. A light beam (30) is directed through a slot (26) in the plotter's main platen (20). The light beam (30) is de...
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WO/1992/020087A1 |
Image source, for converting image data in the form of serial charges into a high-resolution imagewise light pattern, combines semiconductor charge-coupled devices for receiving the charges, associated small-scale field emission arrays f...
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WO/1992/019938A1 |
Apparatus for information transfer and including a dielectric element (30) having generally opposite first (32) and second surfaces, an information bearing voltage signal (34) being associated with the first surface and an information be...
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WO/1992/017340A1 |
In order to record information on a recording substrate (2), a printing head (1) with a number (a) of printing elements (11) is moved to and fro across printing positions (22, 23, 24) by lines. Partial numbers (n) of the printing element...
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WO/1992/017860A1 |
The dynamic range of a continuous tone laser printer is extended by directly modulating a diode laser (12) while simultaneously modulating the optical output of the diode laser with an acousto-optic modulator (14). The digital image valu...
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WO/1992/016862A1 |
In an imaging system comprising a source of light movable with respect to a writing element and projectable thereon to generate an image, a focusing means is provided for focusing a light source (60) which generates a first beam of light...
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WO/1992/015966A2 |
When "mode setting" is initiated in a serial printer, various options for a previously selected printer mode (e.g. paper size, print resolution, emulation, etc.) are sequentially printed on the print-receiving member (e.g. a sheet of pap...
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WO/1992/015967A1 |
A trapping technique which accepts a Postscript or other page description language (PDL) file and outputs a file in PDL format having the correct traps. The input page is first divided into sub-portions, or tiles, and the tiles are indiv...
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WO/1992/015958A1 |
An input image (5) containing high resolution and low resolution images is rasterized twice, producing a high resolution rasterization (6, 8) and a low resolution rasterization (7). The low resolution rasterization (6, 8) is scaled to th...
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WO/1992/014122A1 |
Vector plotter (10) having a plotter head (18) moves over the surface of a plotting media (12) in an X and Y coordinate system wherein a projecting dot-producing impact printhead (28) using a ribbon (32) is carried by the plotter head at...
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WO/1992/014230A1 |
A method for storing a set of scalable logograms, including the steps of: a) defining and storing an outline for each of a plurality of scalable graphic strokes, each forming part of at least one of the set of scalable logograms; b) desc...
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WO/1992/013255A2 |
In its most basic form, this invention comprises a vector plotter having a plotter head mounted for relative movement over the surface of a plotting media in an X and Y coordinate system wherein a projecting dot-producing impact printhea...
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WO/1992/011611A1 |
A computer printer font cartridge expansion module (10) having i) a connector (13) to couple to a printer font data bus (211) receptacle; ii) a receptacle (14) for accepting a font cartridge (110), and iii) ROM for storing character info...
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WO/1992/011596A1 |
The present invention is a system which compares the print job requirements to the printer capability and determines the best match therebetween. When a mismatch occurs, the system determines the best match between size, color, weight an...
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WO/1992/010903A1 |
A scanning system, having a fixed platen and optical imaging system (4) and a translated reference scale (15), is provided for scanning of a modulated light beam (8) (or a set of parallel, independently modulated light beams) onto an obj...
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WO/1992/009910A1 |
Source of laser radiation for a printer includes at least one diode array (300-330) and an optical system (400, 540, 550) which is telecentric in at least one azimuth for imaging the near field distribution from the laser diode array(s) ...
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WO/1992/009438A1 |
A device for making printed labels has a thermal print head (7) which acts against a platen of the printer to print characters onto an image receiving tape. The label making device is controlled by a semiconductor device (22) which has r...
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WO/1992/009976A1 |
Source of laser radiation for a printer includes at least one laser diode array and an optical system which is telecentric in at least one azimuth for imaging the near field distribution from the laser diode array(s) on a recording medium.
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WO/1992/009045A2 |
A conventional display device, such as a marking engine for a laser printer or digital copier, having a nominal resolution (where the energy source for the display device can be selectively activated) and a predetermined threshold level ...
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WO/1992/007720A1 |
A page printer for forming an electrostatic latent image on a printing drum by expanding print data consisting of character data, etc., into image data consisting of a dot matrix in an expansion unit, storing the matrix for each band in ...
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WO/1992/007337A1 |
Method and apparatus (12) for preparing pen-stroke image information (210, 220, 230) for print on a raster-type output device (20). The image is first vectorized according to a slope classification technique which designates dots (212, 2...
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WO/1992/006553A1 |
A line rasterization technique for a non-gray scale anti-aliasing method smooths the edges of a single pixel width line image to be printed by a binary imaging printer. The line image is generated by rasterizing an ideal line image (110)...
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WO/1992/006554A1 |
A digital halftone output image is rendered from a continuous tone input image having a plurality of input pixels which have been digitized as gray scale values. A page frame buffer (32) for storing a pixel representation of the halftone...
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WO/1992/006555A1 |
A non-gray scale anti-aliasing method for smoothing one or more edges of an image to be printed by a binary imaging printer (14). The image is generated by rasterizing an ideal outline of the image using a processor means (30) for proces...
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WO/1992/003759A1 |
A photographic film is transported by a pair of endless belts past an exposure aperture and a pair of magnetic heads. The heads are mounted in a film platen in alignment with the belts so that the belts provide backup support to the film...
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WO/1992/003755A1 |
An optical scanning system of the type in which an oscillating mirror (14) is provided to scan the optical axis (12) of a focusing lens (10) across a flat field (16), wherein the optical axis (18) of the mirror is translated during oscil...
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WO/1992/002893A1 |
Apparatus for processing a digital image from a medical diagnostic imaging device. The apparatus includes an image memory (24), a configurable window width/level or combined window width/level and curve shape look-up table (22) in the in...
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WO/1992/002898A1 |
A high speed, low cost real time graphic image printing system (10) includes a host data processing system (12), a laser printer (14) having a plug connector (56) for receiving a font cartridge (36) storing information defining an image ...
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WO/1992/002899A1 |
A high speed, low cost real time graphic image printing system (10) includes a host data processing system (12), a laser printing (14) having a font cartridge port (56), a font cartridge (36) that is writable in real time by the host (12...
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WO/1992/001269A1 |
A raster image processor for an all points addressable printer includes at least three digital computer controlled processing units (40, 42, 44) arranged in a parallel processing pipeline. The first unit (40) is a master processing unit ...
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WO/1992/000645A1 |
In a multi-color electrophotographic reproduction apparatus (10) employing a non-impact electro-optic exposure source (20), good color balance is obtained by changing the exposure intensity of the recording elements for each different co...
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WO/1992/000575A1 |
A non-impact printhead (20) includes recording elements such as light-emitting diodes (LED's) for recording. An extra LED is also included with each group of LED's. This extra LED is masked (80) to block light from exposing the recording...
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WO/1991/020056A1 |
Central processing unit (112), responsive to the commands and print data signals, selectively stores the reference pattern signals from a pattern memory into a page memory (132). The central processing unit (112) provides the first page ...
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WO/1991/019275A1 |
A terminal, such as character display unit or printer, has a character pattern memory region. A host system controls an operation of outputting a character to the terminal. In case of outputting a desired character to the terminal, first...
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WO/1991/019229A1 |
A variety of sizes of color prints are made electrophotographically utilizing a single large size receiving sheet (75), for example, a receiving sheet that is 12x18 inches. The receiving sheet is large enough to receive one multicolor im...
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WO/1991/019231A1 |
Conventional laser printers for continuous webs/labels have either gentle fixation, are relatively expensive, bulky and difficult to operate and service or are small, compact and robust but damage the printed material by heat and pressur...
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