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. 19, 1979
Filed:
Apr. 11, 1977
Applicant:
Inventor:
Daniel M Lerner, Highland Park, NJ (US);
Assignee:
Neptune Eastech, Inc., Edison, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
328167 ; 307229 ; 307295 ;
Abstract
Described are several signal processors for measuring the flow rate of fluid. These processors incorporate various combinations of a unique tuneable bandpass filter, which rely on variable rate integration, and unique trigger circuits which trigger on the change of signal slope. Also described are a spectrum analyzer and oscillators which employ the tuneable bandpass filter.