US Patent 7809436 Two wire oscillator system for determining body impedance

Patent 7809436 was granted and assigned to Measurement (company) on October, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

‌

Measurement (company)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7809436

Date of Patent

October 5, 2010

Patent Application Number

11286955

Date Filed

November 23, 2005

Patent Primary Examiner

Max Hindenburg

Patent abstract

An apparatus for determining body impedance comprising: first and second electrodes suitable for being electrically coupled to the body; and a variable frequency relaxation oscillator coupled to the electrodes; wherein, the period of oscillation is indicative of the body impedance.