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Attorney: Chapuran; R. F.


Number of patents: 14
Last date: April 08, 1997

NumberTitleIssue Date
5618184I/O interface device and connector module with dual locators
An input/output connector module for connecting input and output devices to a multi-wire bus having a first stage. The first stage electrically connects directly to the multi-wire bus, and a second stage is supported on the first stage and carries an IC c...
04/08/1997
5281998Scheduling color variations for discrete job elements
A system for providing a memory for storing electronic images with color mode marks and a control for providing images in optional color modes for producing a set of images with discrete elements of the set of images processed in a selected color mode ind...
01/25/1994
4687925Belt speed measurement using an optical fiber reflectometer
The present invention is concerned with directly measuring belt speed by placing two high resolution single fiber optical reflectometers a known distance apart on a line parallel to the belt motion. The signal from the first reflectometer is delayed and t...
08/18/1987
4669853Automatic buckle adjust
A buckle adjust procedure that automatically adjusts the amount of buckle introduced into copy sheets. The buckle adjust procedure includes the measurement of the time period for the trail edge of a first set of buckled copy sheets at the registration sta...
06/02/1987
4661859Pulse width modulation greyscale system for halftone printer
A one dimensional electronic halftone generating system having a source of digital data representative of pixel greyscale, a counter to store the digital data, and pulse producing logic responsive to the counter to activate a laser modulator in accordance...
04/28/1987
4641949Conductive brush paper position sensor
The present invention is concerned with a switching element comprised of oppositely disposed conductive fiber brushes and/or brush-like elements for detecting the presence or absence of paper at various locations in a xerographic copy machine. The opposit...
02/10/1987
4637057Rotation of digital images
The image is divided into regions of a given number of pixels. The original image is scaled down by a given factor. Each region of pixels is then enlarged in order to overlap its neighboring region. The enlarged regions are then sequentially written down ...
01/13/1987
4633327Enhancement halftoning
A method of determining image input contrast to dynamically adjust screen amplitude. The screen amplitude is controlled on a dot by dot basis to selectively enhance the original image. There is a higher amplitude when the input contrast is low and a lower...
12/30/1986
4627711Machine shutdown control
The present invention is the controlled shutdown of the preregistration, fuser, dedicated duplex tray, and machine exit zones of the copy sheet handling system of a machine. In particular, a control data base includes a packet phase describing the origin ...
12/09/1986
4627710Customized job default set-up
A procedure for customizing job default or set-up parameters. In particular, by entering a job default change mode, the operator can selectively alter the power up or the cycle out conditions in which the machine reverts to after the end of a job run, at ...
12/09/1986
4627721Automatic scanning optics alignment
The present invention is concerned with the automatic adjustment of the optical components in an optical scanning system after the tech rep has visually inspected sample copies with a test pattern and entered adjustment numbers at the control console. The...
12/09/1986
4603971Finisher mode switching
A reproduction or printing machine including a finisher having a stack mode, a staple set mode, and a bound set mode and a tray for receiving copy sheets delivered to the finisher to be operated in any of these modes. The reproduction machine includes a c...
08/05/1986
4588284Control system
A control system is provided to automatically alter the control of a machine to respond to a different number of pitches or images that the machine can manage at one time. A flag in memory is monitored and in response to the flag, the machine control is a...
05/13/1986
4589090Remote processor crash recovery
The present invention is a multiprocessor machine control system in which the failure of one of the processors to reset can be ignored by the rest of the control system. In particular, a software crash or other abnormality on one of the processors will ge...
05/13/1986
 
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