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:
Sep. 05, 2000
Filed:
May. 07, 1993
Douglas George Rosner, Livonia, MI (US);
Thomas Phillip Mioduszewski, Dearborn, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
In an automotive ignition system having ignition coil banks with at least one ignition coil for energizing a corresponding spark plug, input/output (I/O) devices are provided in electrical communication with the ignition coil banks for relaying ignition coil signals, each ignition coil bank having at least one set of corresponding I/O devices relaying similar signals. The similar signals relayed by sets of corresponding I/O devices are stored in memory at addresses having a constant offset from each other. Program routines are also stored in memory for processing and generating the similar signals relayed by sets of corresponding I/O devices. The similar signals are accessed by the program routines using an indexed addressing mode and the constant address offset such that a single program routine controls one set of corresponding I/O devices independent of the ignition coil bank involved.