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WO/1992/009976 |
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/1992/009438 |
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/1992/009910 |
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/1992/009045 |
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/1992/007720 |
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/1992/007337 |
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/1992/006554 |
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/1992/006553 |
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/1992/006555 |
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/1992/003755 |
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/1992/003759 |
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/1992/002899 |
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/1992/002893 |
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/1992/002898 |
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/1992/001269 |
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/1992/000645 |
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/1992/000575 |
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/1991/020056 |
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/1991/019229 |
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/1991/019275 |
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/1991/019231 |
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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WO/1991/015831 |
A source file written in a page description language is processed by a plurality of data processors (6a, 6b, 6c) that are loosely coupled together through a network (7) in order to obtain rasters of pixel information for printing. In the...
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WO/1991/014192 |
A beam position sensor for a beam scanner is disclosed for use in a laser printer. The printer comprises three diode lasers each of which emits at a different wavelength. The beams from the three lasers are combined by the use of dichroi...
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WO/1991/012968 |
An image forming apparatus provided with a main controller (70) for generating image data from data received from the external host computer and a mechanical body controller (80) for controlling mechanical elements for performing a print...
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WO/1991/010930 |
An electronic printer, comprising a fiber optic bundle (15) having the fiber ends organized in a linear array in a first face (17) and in an area array in a second face (18), includes a linear array of LEDs or LCSs (19) adapted to image ...
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WO/1991/010929 |
An electronic printer, comprising a fiber optic bundle (15) having the fiber ends organized in a linear array in a first face (17) and in an area array in a second face (18), includes a linear array (19) of LEDs or LCSs adapted to image ...
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WO/1991/010928 |
An electronic printer, comprising a fiber optic bundle (15) having the fiber ends organized in a linear array in a first face (17) and in an area array in a second face (18), includes a linear array of LEDs or LCSs (19) adapted to image ...
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WO/1991/010210 |
The invention relates to a process and device for correcting posiitional errors in a light beam (2) deflected by a deflection system (17) with at least one reflective surface (18) via a plane (23), which moves transversely to the line di...
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WO/1991/010211 |
A printhead (10), particularly a light emitting diode (LED) printhead, which has improved apparatus for distributing signals to individual printing elements, i.e. LEDs, that are used in the printhead. Specifically, this printhead contain...
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WO/1991/009738 |
The central control unit (1) of a control device for a thermal printing head is relieved of control tasks relating to the thermal printing head (6). To this end, the control unit for the heating elements (R) of the thermal printing head ...
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WO/1991/008904 |
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/1991/007843 |
A non-gray scale anti-aliasing method for smoothing the horizontal components of the edges of an image to be printed by a laser printer having unequal pixel resolutions in the horizontal and vertical dimensions is accomplished by selecti...
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WO/1991/006924 |
In a high speed character generator of the type employing reduced font characters, the improvement wherein font parameters are contained in a random access memory that is addressed by a master processor and supplies the font parameters d...
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WO/1991/005664 |
In the character compression method, characters are broken up in a horizontal direction (direction of row) or in a vertical direction (direction of column) into sections and the dot start positions and the length of continuation of dots ...
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WO/1991/006175 |
A laser printer is disclosed which is adapted to be used for color imaging. The printer (10) comprises three diode lasers (97), each of which emits a light beam at a different wavelength. Each of the light beams passes along a separate c...
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WO/1991/005315 |
A raster image processor for an all points addressable marking engine includes a page memory having a data input and a write enable input. Halftone tints are applied to bit maps of objects stored in the page memory by applying a tint bit...
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WO/1991/005432 |
Reproduction apparatus is disclosed having at least one image signal generator (14, 16), a multiple page buffer memory (64) for storing the image signals, and a writer (76) for forming images from the page buffer memory. Upon the occurre...
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WO/1991/004863 |
Device at printers of the type which comprises an electrode system, e.g. a screen or gate shaped matrix (1), for controlled passing through of pigment particles (15) passed the electrodes. The electrodes (1, 5, 21) and/or other means (30...
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WO/1991/001887 |
The invention relates to a process for driving printing elements of a dot matrix printer in which the matrix dots to be printed are to be thinned out without any thin lines, in particular steeply inclined thin lines, being lost. To this ...
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WO/1991/001888 |
The invention relates to a process for driving printing elements of a dot matrix printer in which the matrix dots to be printed are to be thinned out without any thin lines, in particular steeply inclined thin lines, being lost. To this ...
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WO/1991/001532 |
The light energy of the light-emitting elements of a character generator of an electrophotographic printer is determined by means of a photoelement (FE). The light-emitting elements are controlled during measurement so that each element ...
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WO/1990/014959 |
Method and device for improving the printing performance of electro-graphic printers, in which are produced a latent electrical charge pattern of electric signals by means of an electrode matrix or the like, which temporarily produces el...
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WO/1990/014957 |
In the particular embodiments of the invention described in the specification, the banding effect resulting from bidirectional printing in an ink jet printer is eliminated by interlacing the lines (26, 27) produced by the ink jet head (2...
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WO/1990/014960 |
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 respe...
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WO/1990/014641 |
A method for generating mask transparencies (12) for the mass production of printed circuits boards using a laser photoplotting system (10) includes an algorithm for mapping geometric entities from the continuous plane such as is used in...
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WO/1990/013847 |
An apparatus for recording an image onto a light recording medium (16) includes a light source (120) which emits light at a position which is movable over a light emitting area (21) of the light source controlled by a controller (13). A ...
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WO/1990/012372 |
A computer output printer includes a host computer interface that enables the printer to emulate a color pen plotter. Pen select commands are interpreted to select a halftone dot pattern, and plot commands are interpreted to define an ou...
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WO/1990/012374 |
Paper-dividing device for prefolded listing paper (12) which is drawn from a stock pile (11) via a paper-transport device (44) and fed to a printer, in particular a non-mechanical printer or copier. A swivelling, first deflecting element...
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WO/1990/012373 |
A high speed real time print head controller (Fig. 1) is provided for supporting a high resolution vector graphics command set which is employed to perform flexible high speed generation of textured line effects (Fig. 3). Rows of continu...
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WO/1990/011140 |
Dual layer, pressure sensitive label sheets (12) for ion deposition printing, use an adhesive (22, see Fig. 3) on the back of the labels (14) in the form of geometric patterns (24) with narrow, adhesive-free bands (26) between the geomet...
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