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:
Dec. 30, 2014
Filed:
Nov. 30, 2010
BO LI, Rexford, NY (US);
Rui Chen, Clifton Park, NY (US);
Matthew Damian Pietrzykowski, Clifton Park, NY (US);
Xuefeng Wang, Schenectady, NY (US);
Nannan Chen, Clifton Park, NY (US);
Cheng-po Chen, Niskayuna, NY (US);
Bo Li, Rexford, NY (US);
Rui Chen, Clifton Park, NY (US);
Matthew Damian Pietrzykowski, Clifton Park, NY (US);
Xuefeng Wang, Schenectady, NY (US);
Nannan Chen, Clifton Park, NY (US);
Cheng-Po Chen, Niskayuna, NY (US);
General Electric Company, Niskayuna, NY (US);
Abstract
A photo ionization detector (PID) is provided for selectively determining various compounds or gases present in a breath sample. The PID, comprises a substrate comprising a gas ionization chamber, at least one pair of ion sensing electrodes, and at least one amplifying circuit; and an ultraviolet (UV) ionization source to transmit a UV light beam into the gas ionization chamber. A system comprises the PID is also provided. A method of detecting a response pattern for various compounds or gases in breath using PID is also provided.