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.

Date of Patent:
Jun. 12, 2001

Filed:

Mar. 15, 2000
Applicant:
Inventor:

Muneharu Yamashita, Toyama-ken, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 1/00 ; H03F 3/45 ;
U.S. Cl.
CPC ...
H03F 1/00 ; H03F 3/45 ;
Abstract

An amplifier having an operational amplifier, and in which an output terminal of an acceleration sensor is connected to the non-inverting input terminal of the operational amplifier, a leakage resistor R,is connected between a non-inverting input terminal and the reference voltage, a first capacitor C,and a first resistor R,are connected in series with each other between the inverting input terminal and the reference voltage, first and second voltage dividing resistors are connected in series with each other between the output terminal of the operational amplifier and the reference voltage, and a second resistor R,and a second capacitor C,are connected in parallel with each other between the connection point of the voltage dividing resistors and the inverting input terminal, and the relationship C,&times;R,<C,&times;R,is satisfied.


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