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:
Mar. 31, 2015
Filed:
Mar. 01, 2013
Tanita Corporation, Tokyo, JP;
Yoshio Sakai, Saitama, JP;
Tanita Corporation, Tokyo, JP;
Abstract
A biological signal processor includes a sensor unitthat is usable with a mattress, measures biological displacement of a subject on the mattress, and outputs a measurement signal indicative of a measurement result, a signal processing unitthat amplifies the measurement signal with a plurality of different gains and outputs respective output signals, an AD converting unitthat performs AD conversion on the respective output signals to obtain level values and outputs the respective level values, and a determining unitthat determines that the sensor unitis in an abnormal condition in case where a variation measure indicative of variation degree in level value corresponding to an output signal amplified with a minimum gain among the respective level values is equal to or less than a predetermined value.