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:
Mar. 21, 1978
Filed:
Jan. 06, 1976
Applicant:
Inventor:
Masao Nagasawa, Kariya, JA;
Assignee:
Nippondenso Co., Ltd., Kariya, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P / ; F02P / ; F02P / ;
U.S. Cl.
CPC ...
1231 / ;
Abstract
In a contactless capacitor discharge type ignition system for an internal combustion engine in which a timing signal coil is connected to a control gate of a switching thyristor for discharging a stored charge on a capacitor, a series circuit is connected across the timing signal coil in order to pass a controlled current in one direction. By the shortcircuit of current flowing through the coil, the output of the timing signal coil of the opposite direction is so influenced as to retard the spark timing, whereby the spark retard can be carried at a relatively high speed operation of an engine.