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:
Jun. 19, 1984
Filed:
Oct. 28, 1981
Sadao Takase, Yokohama, JP;
Nissan Motor Company, Limited, Yokohama, JP;
Abstract
An electronic engine controller is disclosed for controlling selected operations of an internal combustion engine based upon engine operating parameters. The engine controller comprises a load sensor for generating an analog signal indicative of the value of engine load, and an A/D converter for converting the engine load indicative analog signal into digital form. The A to D conversion is synchronized with engine rotation by a data sampling circuit which includes a first circuit for determining, based upon engine speed, a desired position of an engine crankshaft with respect to an engine crankshaft reference position, and a second circuit responsive to the engine crankshaft rotating to the determined engine crankshaft position for providing a command signal to the A/D converter which thereby initiates the A to D conversion process.