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:
Apr. 19, 1977
Filed:
Dec. 12, 1975
Applicant:
Inventors:
Gary F Comiskey, Evanston, IL (US);
Gregory N Hesse, Lombard, IL (US);
Johannes Peter Bovenlander, Kormmenie, NL;
Assignee:
Sun Electric Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
324 / ;
Abstract
Various improvements in an analog oscilloscope for an automotive ignition analyzer are disclosed, including, among others, a short store circuit which enables the full amplitude of the firing line voltage to be displayed and a sweep trigger circuit which correlates engine speed and sweep length.