Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Reisfeld0
Date of Patent
March 9, 2010
0Patent Application Number
117502210
Date Filed
May 17, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for diagnosis includes receiving from a sensor coupled to a body of a sleeping patient a photoplethysmograph signal. The photoplethysmograph signal is processed independently of any other physiological measurements in order to identify sleep stages of the patient.
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