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Device, system and method for detection and processing of heartbeat signals

  • US 9,833,155 B2
  • Filed: 07/24/2015
  • Issued: 12/05/2017
  • Est. Priority Date: 01/24/2013
  • Status: Active Grant
First Claim
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1. A heart beat detection device, comprising:

  • at least one optical sensor unit configured to be placed on a person'"'"'s skin, the optical sensor unit including;

    a light emitter and a corresponding light receiver, the light emitter configured for emitting light onto the person'"'"'s skin, the light receiver configured to convert light received from the skin into an electric signal,the sensor unit further including electrically adjustable optical filters connected to the emitter, to the receiver, or to both,the electrically adjustable optical filters configured to select, upon operation, a desired wavelength of the light emitted by the light emitter, of the light receivable by the light receiver, or both,wherein the electrically adjustable optical filters include Fabry-Perot monochromators.

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