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:
Nov. 10, 1987
Filed:
Sep. 10, 1986
Applicant:
Inventor:
Kazufumi Naito, Ohtsu, JP;
Assignee:
Ishida Scales Manufacturing Company, Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01G / ; G01G / ; G01L / ; G01L / ;
U.S. Cl.
CPC ...
177 50 ; 177185 ; 73 / ; 7386267 ;
Abstract
A signal processing circuit for a weighing apparatus comprises an amplifier circuit for amplifying a weight signal outputted from a weighing device, an active filter which serves to attenuate noise components in the weight signal from the amplifier circuit, and switches for selecting whether the active filter should function as a filter or a buffer according to a predetermined timing schedule.