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:
Jun. 27, 1978
Filed:
Jul. 25, 1977
Applicant:
Inventor:
Theodore S Rzeszewski, Lombard, IL (US);
Assignee:
Matsushita Electric Corporation, Franklin Park, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
328138 ; 3072 / ; 328140 ; 329107 ;
Abstract
A frequency selective detector circuit is useful as a high/low pass detector or as a bandpass detector. The high/low pass detector comprises a pair of digital missing pulse detector circuits or resettable one-shot multivibrators that are connected together in cascade between a source of input pulses and the detector circuit output. The timing interval of the first missing pulse detector circuit in the cascade is less than the timing interval of the second missing pulse detector circuit in the cascade. By combining two such circuits to supply their outputs to a coincidence gate, a bandpass detector circuit results.