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:
Aug. 17, 1976
Filed:
Oct. 09, 1974
Tetsuya Kondo, Susono, JA;
Takeshi Watanabe, Fuji, JA;
Kokusan Denki Co., Ltd., Numazu, JA;
Abstract
An ignition system for an internal combustion engine comprising a power supply, and an ignition circuit including an ignition coil having a primary coil portion connected to said power supply and a secondary coil portion connected to at least one ignition plug, said ignition plug disposed within an operating chamber of said engine and a contact breaker connected to said primary coil portion, said ignition system characterized by comprising means to override said ignition circuit and means to periodically effect the operation of said overriding means. Means to periodically effect the operation of said overriding means comprises a triggering signal generator to generate a triggering signal each time said contact breaker is operated, a frequency divider to divide said triggering signal from said triggering signal generator so as to produce a divided signal with the frequency of 1/n times that of said triggering signal wherein n is 2 or 4, with said overriding means receiving said divided signal for its operation and means to allow the operation of said overriding means only when said engine requires to periodically fail to ignite said operating chamber.