Unisys Corporation

Hella Corporate Center Usa, Inc.

John Andrew Bleecker, Iii

George E Reasoner, Jr

Daniel R Edwards

Gerald R Smith

Scott Eugene Bauer

In a multi-phase brushless DC motor, a zero crossing N-bit filter includes a comparator and a phase multiplexer. The phase multiplexer connects each motor phase to each of a positive and a negative input of the comparator, with a switch in each connection to form a switch array. A microprocessor is disposed to operate the switches, and is configured to measure a BEMF for a first phase by opening the switches connecting all other phases to the positive input of the comparator and by opening the switch connecting the first phase being measured to the negative input of said comparator. The comparators output is received by a shift register. The microprocessor is configured to respond to a zero crossing when a majority of bits in the shift register change between high and low.

Filter apparatus and method for brushless DC motors

A method for identifying image data bits, especially where the image data is to be reliably co-identified with collateral document has been disclosed. Such &ldquo;identification-bits&rdquo; should be carried with the image data through various stages of processing, so the image's identity can be maintained at each processing station, and can be transferred to a downstream processing station. A salient object hereof is to identify image data; especially with &ldquo;sync bits&rdquo;.

Check Reading apparatus and method utilizing sync tags for image matching

An electronic document-imaging arrangement wherein imaging means generates imaging-bits representing a given document and transfers these bits on a 'per-document basis' to various successive electronic processing stages and, finally, to a data base storage unit (DBS); this arrangement also including a tag stage for creating tag bits unique for each such imaged document; these tag bits to be transferred with the imaging bits for each document to each such processing stage that handles the imaging bits, on a per document basis, and finally to DBS interface means for final matching and removal of the tag bits.

Growing community of inventors

Canton, MI, United States of America

John Andrew Bleecker, Iii