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WO/2001/016567A1 |
A method of determining an adjusted color to be used for computing colorants for printing on a specified substrate, comprising: specifying an apparent color; estimating diffuse reflection from an outside surface of colorants when printed...
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WO/2001/016790A1 |
A document's reader order list of pages represented in an imposition description file are decoupled from any single imposition. The decoupling mechanism is a software object called a pageset having positions associated with the pages of ...
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WO/2001/014111A1 |
The invention relates to a counting device for counting sheets. According to the invention, a cutting control is carried out during counting.
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WO/2001/010569A1 |
This invention relates to the tempering of coatings in order to influence the workability of coatings in an applicator. In order to improve the cleaning process, an intermediary container which contains coating material is provided with ...
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WO/2000/072580A1 |
A method of compensating for dot gain in printing with stochastic screens comprises obtaining continuous tone CMYK files and screening the files at a resolution that is lower than the resolution of an output device that will be used to p...
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WO/2000/050839A1 |
The invention relates to an apparatus for measuring the radial distance between plate or rubber web (27) on a plate cylinder or rubber cylinder (25), respectively, of an offset printing press and a cylindrical reference surface (28) at a...
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WO/2000/045125A1 |
Method of determining a surface illuminated by incident light. First the intensity (I¿1?(x,y)) of light reflected from the surface is recorded in a first image of the surface. After this, the intensity (I¿2?(x,y)) of light reflected fr...
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WO/2000/043206A1 |
A method for registration of print separations in a printer comprising: (a) printing a first pattern, for which at least one image characteristic varies relatively weakly with misregistration, using at least one of first and second separ...
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WO/2000/043205A1 |
A method for registration of print separations in a printer comprising: (a) printing a first pattern, for which at least one image characteristic varies relatively weakly with misregistration, using at least one of first and second separ...
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WO/2000/038919A2 |
The invention relates to a device for marking a thin, continuously moving material web (1), preferably a paper web. The invention provides for a rotationally mounted print head (2) for applying a marking ink to the material web (1) which...
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WO/2000/034042A1 |
The invention relates to a method for adjusting a color register. According to said method, the web tension changes the relative position and/or the speed of two print positions in relation to each other.
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WO/2000/032397A1 |
In a method for controlling the spraying of fountain solution in a printing press by means of electrically controlled spray valves (2) in a spray ramp (1), the current profile - at the supply of electric pulses to the solenoid of each va...
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WO/2000/027638A1 |
A system, method, and process that determine and automatically correct registration errors between printed objects and mechanically produced objects using advanced image processing techniques is disclosed. Means are also presented for ma...
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WO/2000/023276A1 |
A method and an apparatus for performing a double sided imposition verification on sheets (7) of paper or another material of impositions (9) prepared by means of digital data (1, 2) and comprising several print pages consisting of text ...
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WO/1999/065808A1 |
According to the invention, a device to measure (8, 9) and/or regulate tensioning of a strip of fabric (1) by means of a measuring cylinder (4) is used for detecting tearing of a strip.
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WO/1999/065682A1 |
A printing web distortion device for imposing a measured amount of distortion into a moving web or substrate, such as paper or the like, to compensate for lateral stretching thereof during a printing operation, is disclosed. The device c...
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WO/1999/057540A1 |
The inventive device for measuring the stickiness of a flowable medium comprises two associated surfaces (3, 4) which are arranged on cylindrical support bodies (1, 2). Said surfaces are configured on a measured-value transmitter (9) wit...
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WO/1999/049238A1 |
A phase regulating speed reducer (20) in a phase regulating apparatus (100) has first and second cup-shaped wave motion gearings (30, 40). A first wave motion generator (33) for the first wave motion gearing (30) is connected to a phase ...
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WO/1999/048784A1 |
The invention relates to a device for monitoring sheets from which cards with a monetary value and/or identity cards are punched, said cards being arranged in rows on the sheets. Devices of this type are not very flexible to use since ea...
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WO/1999/048693A1 |
A method and apparatus (10) for controlling a dampener (12) of a lithographic printing press (1) is disclosed. The apparatus includes a temperature sensor (14) mounted on the frame of the serviced press (1) for measuring the temperature ...
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WO/1999/045542A1 |
Individual compact discs conveyed in-line in a printing unit are controlled to check whether they form part of a printing job in progress. The compact discs not forming part of the printing job in progress are taken out before they run i...
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WO/1999/041082A1 |
The present invention relates to a sheet processing machine wherein sheets are conveyed to a transport cylinder and removed therefrom twice.
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WO/1999/038689A1 |
The invention relates to a method for detecting a rotation angle position of moveable cylinder in which the detected rotation angle position is impinged upon with a compensation value at a second position of the cylinder.
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WO/1999/012125A1 |
The function of a Color Register Control system on a printing press is to maintain close registration between colors printed on a surface by various printing cylinders. The control acquires an image of a cluster of register marks (712) p...
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WO/1999/006211A1 |
The invention relates to a print unit in an offset printing machine, comprising individually driven printing cylinders. The blanket cylinders are coupled and are driven collectively in the inventive unit.
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WO/1999/001928A1 |
The invention relates to a method for the decentralised operation of a device for controlling the precise angle synchronism of individual drive mechanisms of a multi-motor drive system linked by a synchronisation bus (4). According to th...
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WO/1998/052758A1 |
The invention relates to a printing press with an integrated device to print at least one printing form which is arranged on a printing form cylinder. The invention seeks to provide a printing press with an imaging device and an economic...
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WO/1998/052754A1 |
The invention relates to a cost-effective method for adjusting the destination of a strip of paper (3, 4) in a web-fed rotary press. According to the inventive method, coded retrievable signal information (77, 78) is applied to the paper...
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WO/1998/052760A1 |
The invention relates to a method for cleaning guide rollers, according to which a strip of material (1) is provided with retrievable single or multitrack signal information (6, 7). Said information is subsequently used by reading (33) d...
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WO/1998/052759A1 |
A method of determining the amount of a fountain solution employed in an offset lithography printing system in which a detectable substance is added to the fountain solution and the amount thereof detected in a target such as the ink rol...
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WO/1998/043814A2 |
A novel color quality control system (10) for monitoring deviations in color during the startup and continuous running phases of printing is disclosed. The color control system (10) maintains the color of a printed page of a printing pre...
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WO/1998/042509A1 |
A method of imposition proofing of printing data of a document onto a set of proof sheets is described, the document having one or more sections, each proof sheet having a recto side and a verso side, the printing data including imposing...
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WO/1998/033651A1 |
The invention relates to a printing plate (1) made of electrically non-conducting material in the form of a plastic sheet such as those used in a sheet-fed offset press. According to the invention, the printing plate has electrically con...
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WO/1998/028136A2 |
In a method for determining the density (d1-d4) of an inking cylinder (12) which is formed in the ink fountain (1) of a rotary press, the density of one or several locations is detected directly or indirectly. The measuring values thus o...
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WO/1998/018626A1 |
The invention concerns an arrangement for correcting the fan-out effect on web-fed printing presses comprising a plurality of printing units (1, 2, 3, 4) operating according to the blanket-blanket printing method. The arrangement optiona...
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WO/1998/016384A1 |
Drive means is provided for printing apparatus of the kind comprising a plurality of process units (12-20) each for effecting a respective repeat operation on web (22) or sheet material fed along a feed path defined at least in part by s...
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WO/1998/016385A1 |
The invention concerns a securing device for a printed carrier (2) in a printing press. In the event of a breakdown, the beginning of the trailing paper sheet is to be secured, so as to protect the printing mechanism against damage owing...
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WO/1998/015919A1 |
A printer matter stripe defect detecting apparatus which detects a stripe defect on a printed matter by examining an inspection image formed by inputting the image of the printed matter comprises an image input unit (10) to which the ins...
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WO/1998/013203A1 |
A method of preparing a flexible or continuous web of material (20) for labeling/packaging a product includes printing graphics and information on the material (20) in any desired format and color utilizing a pigmented ink providing a vi...
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WO/1998/010337A1 |
A method for simulating one of a plurality of web-up configurations for a press line in order to provide web length information associated with the selected web-up configuration (32) to a product tracking system (16). The method includes...
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WO/1998/007569A1 |
Embodiments of the present invention are directed to a video probe (200) for viewing an object (202) and for viewing a device that acts on the object (204). In one embodiment, the video probe includes a first viewing channel having a vie...
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WO/1997/048556A1 |
A process and device are disclosed for assessing the quality of processed sheets. The sheets to be inspected are tautly held on a drum during inspection.
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WO/1997/045267A1 |
The invention relates to a sheet conveyer (1) for conveying sheet-like material (2) in a rotary press. Said conveyer comprises a first guide rail (6a) and a second guide rail (6b) extending parallel thereto. An associated first and secon...
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WO/1997/044192A1 |
A screen printing method is provided, in which a work time for changing machines is short and which is capable of highly accurately positioning fine patterns and narrow pitch patterns to perform screen printing. The method comprises find...
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WO/1997/042033A1 |
A master chart comprises a representation of various blocks (1) of colour produced by suitable combinations of the base colours cyan, magenta, yellow and black (C, M, Y, K). There are also illustrations of colour prints (2) which are to ...
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WO/1997/037329A1 |
With the proposed device and process for assessing the quality of processed material, the material for inspection is illuminated with directional light beams in such a way that the light rays are reflected almost completely into a CCD ca...
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WO/1997/036749A1 |
With the proposed process, image zones of the inspected material are detected by being allocated to potential sources of defects.
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WO/1997/036813A1 |
The object of the invention is to adapt a sheet-guiding suction box to the sheet format. According to the invention, this object is achieved by a central suction chamber whose extension is smaller than the smallest format of a sheet to b...
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WO/1997/036211A1 |
A process is described for printing a print image on a continuous support material (20) relative to a pre-set position in an electrographic printer (10) in which a stepper motor (12) controlled by an electric impulse sequence (SIF) drive...
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WO/1997/036260A1 |
A method, apparatus and system for verifying the establishment of a pattern includes means for storing a template of the pattern, means for acquiring an image of the established pattern, a first image processing means to alter at least o...
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