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. 25, 2006
Filed:
Jun. 21, 2002
Applicants:
Paul Stanley Addison, Edinburgh, GB;
James Nicholas Watson, Edinburgh, GB;
Inventors:
Paul Stanley Addison, Edinburgh, GB;
James Nicholas Watson, Edinburgh, GB;
Assignee:
Cardiodigital Limited, Elvingston, Gladsmuir, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pulse oximetry signal, suitably a photoplethysmogram (PPG), is decomposed by wavelet transform techniques, and the decomposed signal analysed to provide selected physiological data. The signal may be processed to remove noise, artefacts, or transient features. Information on respiration may also be recovered.