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.

Date of Patent:
Mar. 05, 1985

Filed:

Oct. 12, 1982
Applicant:
Inventors:

Hiroomi Katayama, Machida, JP;

Yoshiaki Hirosawa, Shiki, JP;

Masahiko Fujii, Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123416 ; 123414 ; 123630 ; 123643 ;
Abstract

An input/output unit modifiable engine ignition control apparatus for controlling ignition timing for engine cylinders at optimum values based on reference position pulses, crank angle pulses generated and a vacuum signal produced by reference position sensors, a crank angle sensor and a vacuum sensor mounted in an engine. The engine ignition control apparatus is divided into an input-output unit and a control unit. The control unit having a control capacity for an engine having a maximum number of the sensors and engine cylinders, so that the control unit can be shared by a variety of engines for their ignition control simply by changing the input-output unit.


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