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:
Apr. 04, 2006
Filed:
Mar. 26, 2003
Philip T. Dempster, Concord, CA (US);
Michael V. Homer, Oakland, CA (US);
Mark Lowe, Danville, CA (US);
Alessandro Urlando, Sacramento, CA (US);
Philip T. Dempster, Concord, CA (US);
Michael V. Homer, Oakland, CA (US);
Mark Lowe, Danville, CA (US);
Alessandro Urlando, Sacramento, CA (US);
Life Measurement, Inc., Concord, CA (US);
Abstract
Apparatus and methods relating to circulation of air within a plethysmographic measurement chamber are provided. An air circulation system, comprised of one or more pumps, is coupled to a plethysmographic measurement chamber using one or more inlet and exhaust tubes. The air circulation system renews the air within the measurement chamber using ambient air, or air derived from a controlled temperature environment.