Xerox Corporation

The United States of America As Represented by the United States

Timothy M Hunter

Francis Kapo Tse

Fritz F Ebner

David Birnbaum

James Bruce Campbell

Jason Slack

Lee Roche

Scott Charles Warner

David Russel Sponable

Peter Charles Rapley

David Rivshin

Lonnie A LaFave

John L Zanghi

Steve Beers

Paul G Roetling

Aron Nacman

Richard M Dastin

Hung M Pham

Theresa Michelle Marconi

Larry A Kovnat

Arthur J Levy

Michael L Davidson

William David Notovitz

Anthony Paul Lanza

Brian Richard Caffee

Lee A Cass

Richard S Trembulak

Joseph Chiang

A printing system and method comprising a transport system configured to move a print target, a laser for directing energy on the print target, and a control system configured to adjust the energy directed on the print target according to a present speed of the print target the control system further comprising an analog control, a scrolling window control, a pulse width modulation control, and a halftone modulation control.

Multi-mode laser energy control for thermochromic print systems

A method for processing a print job includes: a) processing printer description language (PDL) image data for a select page of a print job to form raster image data for the select page, processing of the PDL image data and storing the raster image data in a RIP orientation; b) processing the raster image data for the select page to form bitmap image data for the select page, transforming the raster image data from the RIP orientation to a print orientation and storing the bitmap image data in the print orientation; and c) printing the bitmap image data arranged in the print orientation on a target substrate page to form a printed substrate page for the select page of the print job. A printing platform associated with the method includes a storage device, a RIP module, a rotator module, and a print engine.

Image rotation to optimize rip and print performance time

An example of an apparatus for transferring data over a Mobile Industry Processor Interface (MIPI) includes a scan bar for scanning an image, an analog front end (AFE) module in communication with the scan bar for receiving a plurality of video images of the image that is scanned by the scan bar, a translation logic module in communication with the AFE module to convert the plurality of video images into a scanlink frame using a MIPI communication protocol, wherein the scanlink frame comprises a frame start packet, a scanlink header packet, the plurality of video images and a frame end packet, a MIPI input interface in communication with the translation logic module to receive the scanlink frame and a processor in communication with the MIPI input interface to process the scanlink frame to generate a scanned image file using the scanlink frame.

Scanner interface and protocol

A method for processing a print job includes: a) analyzing printer description language (PDL) image data for a print job; b) determining a raster image processor (RIP) orientation for the print job based at least in part on the analysis of the PDL image data, the RIP orientation being selected from a landscape orientation and a portrait orientation; and c) processing the PDL image data for each page of the print job to form raster image data for each page in the RIP orientation and storing the raster image data in the RIP orientation. A printing platform associated with the method includes a parser module, a controller module, a storage device, and a RIP module.

Method and apparatus for processing print job in printing platform for determining rotation

An embodiment generally relates a device for rotating images. The device includes an image memory configured to store an image and a plurality of buffers. The plurality of buffers are configured to interface with the image memory to read data words of the image from the image memory and to write rotated data words to the image memory. The device also includes a logic module configured to interface with the plurality of buffers and to micro-rotate and macro-rotate an image based on a selection of three orientations. The logic module is also configured to execute a read of data words from the image memory to a first buffer of the plurality of buffers, a rotation of a data word, and a write of rotated data words from a second buffer of the plurality of buffers to the image memory substantially simultaneously.

Systems, methods and devices for rotating images

The present invention is a method and apparatus for automatically monitoring the output intensity of an analog raster output scanning (ROS) system. The invention further includes the ability to recognize when the output intensity is not within a predetermined tolerance range, where the system will automatically recalibrate to achieve a desired linear transformation from the input image greyscale intensity to the ROS exposure intensity.

Method and apparatus for the automatic calibration of an analog raster

A quick and efficient method of testing the color registration on a multi-color electronic reprographic system includes the generation a latent image of a repeated basic test pattern across and down an photoconductive surface. Several images of this repeated test pattern are generated, one for each color in the reprographic system. Each test pattern is shifted a fixed amount so that the final output page displays a set of output figures. A figure of one color will be surrounded by at least one figure of each of the remaining colors of the reprographic system. Using this system a field technician can determine the level of misregistration between all of the colors.

Color registration test pattern

An apparatus and method of reducing pixel clock jitter in a raster scanner having a oscillator which generates a pixel clock signal and a start of scan sensor for generating a start of scan signal, includes the generation of an inverted pixel clock signal and an inverted start of scan signal. Based on which of the pixel clock signal or the inverted pixel clock signal has a rising edge closer to the start of scan signal, one of the pixel clock or inverted pixel clock signal is selected to replace the original pixel clock signal. Further selections are prevented from occurring until a subsequent start of scan signal is detected.

Method and apparatus for reducing pixel clock jitter in a laser scanner

A system and technique is disclosed for automatically controlling the decoding and digitizaiton of an analog tape. The system includes the use of a tape data format which includes a plurality of digital codes recorded on the analog tape in a predetermined proximity to a period of recorded analog data. The codes associated with each period of analog data include digital identification codes prior to the analog data, a start of data code coincident with the analog data recording, and an end of data code subsequent to the associated period of recorded analog data. The formatted tape is decoded in a processing and digitization system which includes an analog tape player coupled to a digitizer to transmit analog information from the recorded tape over at least one channel to the digitizer. At the same time, the tape player is coupled to a decoder and interface system which detects and decodes the digital codes on the tape corresponding to each period of recorded analog data and controls tape movement and digitizer initiation in response to preprogramed modes. A host computer is also coupled to the decoder and interface system and the digitizer and programmed to initiate specific modes of data decoding through the decoder and interface system including the automatic compilation and storage of digital identification information and digitized data for the period of recorded analog data corresponding to the digital identification data, compilation and storage of selected digitized data representing periods of recorded analog data, and compilation of digital identification information related to each of the periods of recorded analog data.

Method and apparatus for data decoding and processing

A color image processing apparatus in which a latent image corresponding to one of the color components of an original document is recorded on an image receiving member. The original document is scanned and a plurality of color components of the original document are detected. Color signals, representative of each one of the plurality of color components detected, are generated. As the latent image is being recorded on the image receiving member, those regions of the latent image wherein the color signals have a preselected relationship to one another are erased.

Color image processing apparatus

Growing community of inventors

Webster, NY, United States of America

Timothy M Hunter