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:
Jul. 02, 1991
Filed:
May. 08, 1989
Applicant:
Inventors:
Dieter Hauck, Eberbach, DE;
Karl-Heinz May, Viernheim, DE;
Hans Muller, Sandhausen, DE;
Jurgen Rehberger, Dossenheim, DE;
Assignee:
Heidelberger Druckmaschinen A.G., Heidelberg, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
307269 ; 3072721 ; 307273 ; 328 34 ; 328 63 ; 328 72 ;
Abstract
Method of monitoring a clock signal includes bringing a bistable element to a first state through pulses of the clock signal and, upon the occurrence of pulses of a reference signal having a frequency lower than the frequency of the clock signal, scanning the state of the bistable element and outputting it as an output signal, and subsequently setting the bistable element to a second state.