| Patent Number |
Title Of Patent |
Date Issued |
| RE33500 |
Electronic digitized proportional-integral controller |
December 18, 1990 |
| A digital proportional-integral controller for controlling the speed of a d.c. electric motor in a copying machine and synchronizing it with the speed of another motor in the copying machine. The proportional stage and the integral stage of the controller are each formed by an up/down co |
| D350973 |
Copying machine |
September 27, 1994 |
|
| D269618 |
Combined photocopier, sorter and document feeder |
July 5, 1983 |
|
| 6447105 |
Ink-jet system with an ink channel having a non-uniform depth |
September 10, 2002 |
| An ink-jet system has an ink channel between an ink reservoir and a nozzle, and an electromechanical transducer which comprises an expansible member arranged adjacent to the ink channel for abruptly reducing the volume of the ink channel in order to eject an ink droplet through the nozzl |
| 6318844 |
Print head for an ink-jet printer |
November 20, 2001 |
| A print head for an ink-jet printer has a nozzle member defining a plurality of ink channels arranged side-by-side and each terminating in a nozzle. A plurality of actuators are disposed on one side of the nozzle member and respectively face one of the ink channels for pressurizing the |
| 6144396 |
Exposure device and printer |
November 7, 2000 |
| An exposure device comprising a straight row of substantially rectangular LED's, each LED comprising at least one non-emitting zone (34) having a width (a) which divides the LED into at least two equal parts (32, 33) having a width (c), a separating zone (35) of width (b) being situated |
| 6134565 |
Apparatus and method for extracting operator selected articles from a plurality of articles with |
October 17, 2000 |
| A device for identifying at least one article within an image of a document, the document including plural articles, with each article including one or more objects. The device performs a first step in which the image is analyzed as to its layout to distinguish text blocks, titles, p |
| 6105958 |
Sheet collecting device for collecting sheets of different dimensions on supports |
August 22, 2000 |
| Sheet collecting device for the selective collection of sheets of different dimensions on a number of supports located below one another. Every support located below the uppermost support can be moved in a y-direction transversely of the x-direction in which sheets are fed onto the suppo |
| 6040847 |
Method of recording images and an image-forming device for application of the method |
March 21, 2000 |
| A method of and device for recording images on an image-recording medium with a dielectric surface. A voltage is applied in accordance with an image pattern between a set of image-recording electrodes and a companion electrode. Toner powder is deposited on the dielectric surface in a |
| 6027207 |
Ink jet nozzle head with multiple block structure |
February 22, 2000 |
| An ink jet nozzle head including a channel plate defining a linear array of equidistanced nozzles and a plurality of substantially parallel ink channels communicating with an associated nozzle, a vibration plate disposed on the channel plate, a plurality of separately disposed block |
| 5988068 |
Method and apparatus for decorating ceramic and glass substrates and the toner powder used in su |
November 23, 1999 |
| A method and apparatus for printing ceramic or glass flat substrate, wherein a fusible powder is applied to an image forming medium in order to form an image thereon which is transferred to an intermediate medium, and the powder image formed on the intermediate medium is brought into con |
| 5960113 |
Method of automatically recognizing a language in which digital data is received |
September 28, 1999 |
| An automatic language recognition method which comprises selecting a block of data from the received data and searching said block for elements that are "for" or "against" the presence of a particular language. Recognition is performed by searching for a plurality of known languages in a |
| 5940540 |
Methods of and systems for compression and decompression that prevent local data expansion |
August 17, 1999 |
| A method and system of compressing digital image data organized as successive data groups of bits, the contents of which are values of pixels of an image, by checking a first condition of whether a first data group has the same contents as one or more following data groups. If the first |
| 5933583 |
Communication control apparatus for a printing system |
August 3, 1999 |
| A communication controller for protecting data, stored in a printer or other printing device connectable to a first network, from unauthorized access including: an external communication device for communicating with an external station through a second network; an internal communication |
| 5918988 |
Printing system for carrying out print jobs |
July 6, 1999 |
| A printing system which receives print jobs and stores them in a memory. The printing system has an interface so that a number of print criteria can be set and altered by an operator. In an automatic mode of operation, only the print jobs satisfying the print criteria set by the operator |
| 5877789 |
Acoustic pressure wave propagating ink-system |
March 2, 1999 |
| Ink-jet system includes an ink channel between an ink reservoir and a nozzle. A pressurizing device is arranged adjacent to the ink channel for generating in the ink liquid an acoustic pressure wave propagating in the ink channel, so that an ink droplet is expelled from the nozzle. The i |
| 5856877 |
Apparatus and method for processing and reproducing image information |
January 5, 1999 |
| Layout analysis is used in operating a digital reproduction apparatus. The device automatically segments the digital image dot data corresponding to a document image to be reproduced, to determine layout elements of the document. This is shown on a display. An operator can now select a |
| 5854645 |
Inkjet array |
December 29, 1998 |
| An inkjet array for a printer includes a number of elements. Each element has an ink chamber and an ink provider, and a piezo-actuator rigidly secured to one side of the ink chamber. The ink chamber is brought into motion in response to an image signal whereby an ink droplet is ejected |
| 5852455 |
Image forming device, having separately energizable, inter-connected electrodes and image record |
December 22, 1998 |
| An image-forming device with a repeatedly usable image-recording element bearing a dielectric surface layer, beneath which is a system of separately energizable image-forming electrodes interconnected by a material whose resistance is between that of the dielectric surface layer and |
| 5838325 |
Star symbol interface for a copying/printing apparatus |
November 17, 1998 |
| A reproducing device for reproducing images, such as a photocopier/printer, which has an interface that enables selection of a value for at least one predetermined parameter from among a predetermined set of possible values of the parameter. This parameter defines at least in part how at |
| 5831650 |
Ink-jet printhead |
November 3, 1998 |
| An ink-jet printhead includes a plurality of nozzles and ink channels arranged side by side, each nozzle being connected to an ink reservoir via its associated ink channel, and a plurality of electromechanical transducers, respectively, associated with each ink channel for pressurizi |
| 5825988 |
Apparatus for printing digital image data |
October 20, 1998 |
| A printer for digital image information, wherein supplied data files containing image data for printing can be stored in a memory and are not printed until an operator has given a print command by means of a key on a control panel, the data files in the memory being listed on a display i |
| 5820067 |
Image-forming apparatus provided with a support for a roll of receiving material |
October 13, 1998 |
| An image-forming apparatus comprising a process unit above a feed unit. The feed unit receives material which can selectively be fed from rolls of receiving material rotatably placed in drawers in the feed unit. A channel is formed on a panelling part of the feed unit at a working height |
| 5818971 |
Method and image reproduction device for reproducing grey values using a combination of error di |
October 6, 1998 |
| The invention relates to a method and device for reproducing grey values by reproducing pixels with specific dimensions and degrees of coverage. Use is made of a method based on error diffusion, wherein no clustering of identical pixels is the objective in edge zones while such clusterin |
| 5815643 |
Printing system |
September 29, 1998 |
| A system for repeatedly processing, in a production run, a set of original images to form at least two disparate sets of copies of the originals in accordance with a job specification, the job specification including at least two disparate copy set specifications corresponding to the two |
| 5812921 |
Magnet system for an image-forming apparatus |
September 22, 1998 |
| A magnet system for an image-forming apparatus comprising an image-forming element which is capable of electrically and/or magnetically attracting a toner powder and is movable relative to the magnet system. The magnet system includes a support at least one ferromagnetic body and a clamp |
| 5798847 |
Method of and apparatus for correcting the output signals of an array of photodetector elements |
August 25, 1998 |
| When an array of photodetecting elements has to be calibrated, normally a reference surface is scanned. Yet the reference surface is not an ideal surface and likely may include scratches or dust particles so that the signals read out from the array have to be corrected. A method and syst |
| 5784489 |
Apparatus and method for syntactic signal analysis |
July 21, 1998 |
| An apparatus and method for syntactic signal analysis which is suitable for processing signals which deviate, within a freely selected margin, from a set of signals predetermined by a grammar, the apparatus being provided with a feature unification mechanism which detects violations of f |
| 5778292 |
Method and device for controlling a sleep-mode of an image forming apparatus |
July 7, 1998 |
| Method and Apparatus for controlling the sleep-mode of an image forming apparatus includes a movable and heatable element, a drive member for driving the element and a heating member for heating the element while it is being driven by said drive member. The drive member and heating membe |
| 5771050 |
Printer with movable print head |
June 23, 1998 |
| A printer having a movable print head including a print head mounted on a carriage and having an array of printing elements for printing lines of pixels onto a recording medium during a scanning motion, mechanical means for moving the carriage and recording medium relative to one another |
| 5757404 |
Inkjet array and method of production |
May 26, 1998 |
| An inkjet array provided with a piezoelectric member and a member in the form of a plate opposite the piezoelectric member, the plate member having a surface which faces the piezoelectric member provided with a number of parallel elongated ink ducts, while the piezoelectric member is pro |
| 5752147 |
Roller fuser assembly for reproduction systems |
May 12, 1998 |
| A roller fuser assembly for reproduction systems, including at least two fuser rollers for pressing against their pressure surfaces a printing sheet fed therealong in order to fix toner images present on at least one side of said printing sheet, by the action of pressure and heat. A devi |
| 5746424 |
Device for collecting folded and unfolded copy sheets |
May 5, 1998 |
| A device with a collecting station collects copy sheets which can be provided with a Z-fold in a folding station. The folding station is situated in a transport path for unfolded copy sheets which leads to the collecting station. The folding station is formed by a first pair of foldi |
| 5746327 |
Receiving material holder |
May 5, 1998 |
| A free-standing holder for a stack of receiving material in sheet form has two supports disposed at an angle of 65.degree.. The holder is formed by two members and a wire rack. The rack is fixed between the two members and has a concave supporting surface. An abutment ledge is at the bot |
| 5742889 |
Image forming apparatus comprising an intermediate transfer medium having a perfluoropolyether t |
April 21, 1998 |
| Apparatus for transferring a toner image from an image-forming medium to a receiving material with an intermediate medium with a top layer which intermediate medium is in contact with the image-forming medium in a first transfer zone. A heating member is provided for heating the toner im |
| 5726760 |
Method and apparatus for converting image representation formats as well as an image production |
March 10, 1998 |
| A method and apparatus that convert a series of drawing instructions, suitable for assigning pixel values corresponding to the drawing instructions to an image arranged in rows and columns of pixels, to a series of runlengths and corresponding pixel values. A runlength represents the |
| 5715508 |
Apparatus for printing recording media or supports in the form of discs |
February 3, 1998 |
| An apparatus for printing recording media or supports in the form of discs, wherein a fusible powder is applied image-wise to an image-forming medium and then transferred to an intermediate medium, the powder image on the intermediate medium then being brought into contact, in a contact |
| 5715100 |
Optical adjustment arrangement and method for a scanning system |
February 3, 1998 |
| An optical adjustment arrangement for a scanning system comprises a main part having defined thereon a triangle with a center point and first and second base points. An optical part is positioned onto the main part so that the center point is aligned with the optical axis of the optical |
| 5709640 |
Device for folding a sheet successively in two directions at right angles relative to one anothe |
January 20, 1998 |
| A folding device includes one folding station in which a sheet can be folded zig-zag consecutively along a first dimension and in a second direction at right angles to said first dimensions. A control device automatically sets the folding device to a first folding program intended fo |
| 5677406 |
Lengthened difunctional perfluoropolyether oils and rubbers prepared therewith |
October 14, 1997 |
| The invention relates to a difunctional perfluoropolyether oil, prepared by reacting a perfluoropolyether diol oil having a weight average molecular weight (Mw) of 1500 to 3000 with a chain lengthener selected from the group consisting of diacid chlorides and difunctional diisocyanates, |
| 5673371 |
Method of modifying the fatness of characters to be output on a raster output device |
September 30, 1997 |
| Font data which defines the shape of each character as an outline consisting of straight and curved line segments is transformed into bitmap representations of the individual characters such that the fatness of the character in the bitmap differs from that of the original font character |
| 5665501 |
Photoconductive element with polycarbonate binder |
September 9, 1997 |
| A photoconductive element having a photoconductive layer containing a polycarbonate binder based on di-(monohydroxyaryl) alkane, wherein the polycarbonate contains a branching agent selected from the group consisting of 1,2,4-benzene tricarboxylic acid, 1,3,5-benzene tricarboxylic ac |
| 5638160 |
Transport device for developer powder |
June 10, 1997 |
| A transport device for supplying developer powder from a lower-level reservoir to a developing station by a rotatable spiral spring contained in a transport tube, which transport tube has an inlet aperture near the lowest point of the reservoir, together with a spiral spring, blades whic |
| 5620176 |
Sheet discharging apparatus |
April 15, 1997 |
| A device whereby sheets can be discharged one by one from the bottom of a stack of sheets provided in a holder having a base support and side supports wherein in the transverse direction of sheet transport the base support surface has a downward bent shape so that the support surface has |
| 5589921 |
Intermediate transfer member having a material which breaks down impurities |
December 31, 1996 |
| A device and method associated therewith for transferring a toner image from an image-forming medium to a receiving material comprising: an image-forming medium, an endless movable intermediate medium provided with a top layer in contact with the image-forming medium in a first transfer |
| 5587779 |
Apparatus for transferring toner images |
December 24, 1996 |
| An apparatus is provided for transferring a toner image from an endless belt to a receiving material positioned on a flat plate. The toner image is formed by image-forming drums on a part of the belt movable continuously along the drums and is transferred to the receiving material, s |
| 5551939 |
Zigzag folding device |
September 3, 1996 |
| A folding device for the zigzag folding of a sheet, including two pairs of folding rollers which form two folding nips and which rollers are drivable alternately in opposite directions of rotation, and a pair of feed rollers which alternately feed a sheet for folding to the folding nips, |
| 5532882 |
Electro-optical scanning unit having adjustable connecting elements between linear arrays of ele |
July 2, 1996 |
| An electro-optical scanning unit which comprises a linear LED array and a linear lens array for imaging slitwise onto a photoconductive drum with light is emitted by the LED's, and a holder for the lens array is connected by leaf springs to a holder for the LED array, the leaf springs |
| 5521721 |
Superimposition of images in a digital copier or printer |
May 28, 1996 |
| A method and reproduction system for generating image information signals of a second type for each image point, upon supply of digital image information signals of a first type generated in a multi-bit form by a first and second signal source and making use of the information content |
| 5521687 |
Method of removing impurities from a transport member during an electrostatic imaging process |
May 28, 1996 |
| An imaging apparatus including a device for transferring a toner image from an image-forming medium to a receiving material including an endless movable intermediate provided with a top layer which, in a first transfer zone, is in contact with the image-forming medium, a heating device f |
