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7283283 |
Methods and system for inline digital printing
A friction driven printing device capable of delivering high-resolution images on the vertical surface of corrugated boxes, shipping cases, chip board, and the like, has a print cylinder assembly...
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7251051 |
Pagewidth printing mechanism incorporating a capping mechanism
A pagewidth printing mechanism includes a support structure. A print media feed mechanism is arranged on the support structure to feed print media along a feed path. A pagewidth printhead assembly...
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7136195 |
Fluid capping mechanism
When a printhead is not in use, it remains filled with ink. In order to prevent evaporation of the ink through the nozzles of the printhead, and the consequential depositing of ink components in...
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7072077 |
Hardcopy printing device with capacitive print media monitor and methods of making and using the same
A printing device can include a capacitive monitoring system to monitor the amount of print medium (e.g., paper) available in the printing device. The capacitive monitor includes conductive plates...
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7031027 |
Method and apparatus for setting the idle distance of an engraving stylus from the cylinder surface of a rotogravure printing cylinder
An idle distance of an engraving stylus for engraving a rotogravure printing cylinder is set from the cylinder surface of the rotogravure printing cylinder by use of a sliding element that is...
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6985264 |
Method for calibrating an engraving amplifier
In a method for calibrating an engraving amplifier in an electronic engraving machine, whereby a vibration signal is used to control the engraving of an engraving element by using engraving tone...
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6954285 |
Developing method and developing apparatus featuring two latent image developing operations using two electrical fields
The present invention provides a developing method for developing a latent image formed on an image bearing member with developer including toner and carrier contained in a developer containing...
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6940621 |
Engraving member
An engraving element of an electronic engraving machine for engraving printing forms is formed of a shaft oscillating around a longitudinal axis with small rotational angles. A drive system is...
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6768561 |
Method for signal processing
In a method for processing signals in an electronic engraving machine for engraving printing forms, in particular printing cylinders used for rotogravure, an engraving control signal is obtained by...
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6741369 |
Method for the operating an engraving member
In a method for operating an engraving member in an electronic engraving machine to engrave printing forms, especially printing cylinders for intaglio printing, a stylus of the engraving member is...
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6738162 |
Digital printer for avoiding moire patterns by using a dithering mask and angular rotation between print head and print medium to simulate analog printer halftoning of color images
A semi-digital printer includes a print head assembly that prints an image on a sheet of paper that has been mounted onto a turntable, and a rotating means which rotates the turntable so that the...
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6634286 |
Engraving mechanism for electronic engraving machines
An engraving element of an electronic engraving machine for engraving printing cylinders as a shaft oscillating with small rotational angles around the longitudinal axis, a restoring element, a...
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5923435 |
Engraver and engraving method for detecting and measuring run-out associated with a cylinder
A method and apparatus for automatically measuring a cylinder characteristic, such as a cylinder diameter or a cylinder run-out and then automatically adjusting the engraver in response to the...
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5867280 |
Engraver with automatic tool changer
An engraver including an automatic tool changer and verification system for changing engraving tools on engraving heads. The engraver includes a turret having a plurality of workholders for holding...
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5854690 |
Method and apparatus for aligning a cylinder in an engraver
A method for aligning a cylinder support in an engraver includes a step of actuating a plurality of jaws to grip the cylinder support such that the cylinder support becomes automatically aligned in...
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5767981 |
Engraving head support system with linear head driver
A platform for supporting an engraving head in a manner accommodating translational movement without any associated rotation. The platform has a deck which is supported by a pair of flexible...
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5731881 |
Engraving method and apparatus using cooled magnetostrictive actuator
An engraving head apparatus and method for engraving a gravure cylinder is shown. The engraving head apparatus includes a magnetostrictive actuator formed from a magnetostrictive material such as...
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5671064 |
Method and apparatus for engraving using a magnetostrictive actuator
An engraving head apparatus and method for engraving a gravure cylinder. The engraving head apparatus including a magnetostrictive actuator formed from TERFENOL-D™ which elongatably drives a...
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5583647 |
Cylinder support apparatus and method for use in an engraver
A method and apparatus for automated loading and unloading of a cylinder in an engraver. The method and apparatus permit the engraver to accommodate cylinders of differing geometries, including a...
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5492057 |
Method and apparatus for positioning at least one engraving head
A system for locating a plurality of engraving heads on an engraver wherein a plurality of engraving heads are automatically positioned into a predetermined configuration. A mechanism for...
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5454306 |
Engraving head platform
A platform for supporting an engraving head in a manner accommodating translational movement without any associated rotation. The platform has a deck which is supported by a pair of flexible...
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5424846 |
Cylinder support apparatus and method for use in an engraver
A method and apparatus for automated loading and unloading of a cylinder in an engraver. The method and apparatus permit the engraver to accommodate cylinders of differing geometries, including a...
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5355793 |
Method and apparatus for making a mimeographic printing plate
A heat-sensitive material is used for making a mimeographic printing plate. The plate material includes a screen where printing ink is passable, and a resinous membrane formed on its surface. The...
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4881133 |
Arrangement for the recording of an information signal
An arrangement for the recording of a digital information signal, in particular onto a plate-shaped, metallic recording carrier with the aid of a penetrating element is specified, in which the...
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4878127 |
Laser engraving machine for preparing rotary screen printing screens
A laser engraving machine for engraving rotary printing screens includes a shaft (1) having one end connected to a rotary drive (3)for rotating the shaft (1), two end ring assemblies (7, 8) at...
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4805312 |
Engraving head for apparatus for engraving printing cylinders
In an engraving head for apparatus for engraving printing cylinders, a drivable engraving tool and a sensing organ contacting any printing cylinder being engraved by the drivable engraving tool are...
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4451856 |
Engraving and scanning apparatus
An engraving head incorporates a shaft which is supported for high frequency oscillation by axially spaced metal spring elements, and the shaft is acted upon by improved dampening means to minimize...
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3925602 |
Apparatus for engraving a portrait on certification card
An original portrait (person's face picture) and a mount or base plate for a certification card are attached to a laterally slidable base arranged to be driven in a reciprocating manner, and, upon...
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3716668 |
ENGRAVING MACHINE
An improved engraving machine having a cylinder on which is wrapped in side-by-side relation an image to be reproduced and a plate to be engraved with such image, including a scanning member and a...
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3671666 |
APPARATUS FOR PRODUCING CORRECTED PHOTOGRAPHIC COLOR RASTERED REPRODUCTIONS
A method and apparatus for producing a color corrected and rastered reproduction wherein a continuous tone picture is photoelectrically scanned and combined with the output of a second scanning...
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3506779 |
LASER BEAM TYPESETTER
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3246079 |
Method and means for the preparation of printing forms, especially of intaglio printing surfaces
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3192318 |
Method and apparatus for the machining of material by means of a beam of charge carriers
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2925464 |
Machine for producing a facsimile reproduction
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2881246 |
Engraving machine
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2874479 |
Engraving machine stylus index
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2788255 |
Stylus indexing arrangement for engraving machines
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