The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 1996
Filed:
Feb. 14, 1995
Applicant:
Inventors:
Eric S Barnes, Manhattan Beach, CA (US);
George L Eldridge, Long Beach, CA (US);
Uoc Nguyen, Long Beach, CA (US);
Ajit Shah, Laguna Niguel, CA (US);
Ronald E Weir, Torrance, CA (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ; G06F / ; G06F / ;
U.S. Cl.
CPC ...
395800 ; 3642408 ; 3642295 ; 3642292 ; 3642305 ; 3642317 ; 3642401 ; 3642568 ; 364D / ; 364D / ; 39518501 ;
Abstract
A protocol for communication through a bus controller to control data transfers between a host processing platform and the data bus of a bit map printer. This protocol is optimized for a data bus which connects a number of ASIC accelerator cards in addition to the printer, disk controller, bus controller and other typical system cards. The basic data transfer cycle transfers eight data words on the bus between ASIC's, I/O devices, printer and any other devices.