MEASURING DEVICE, INCLUDING A HEART RATE SENSOR, CONFIGURED TO BE WORN ON THE WRIST OF A USER

• US 20140221854A1
• Filed: 01/08/2014
• Published: 08/07/2014
• Est. Priority Date: 01/08/2013
• Status: Abandoned Application

• Current Assignee: National Electronics & Watch Co. Ltd (National Electronics Holdings Limited)
• Original Assignee: International Electronics Incorporated (Melrose Industries Plc)
• Inventors: WAI, Kwong Yuen
• Application Number:
  US14/150,699
• Publication Number:
  US 20140221854A1
• Time in Patent Office: Days
• US Class Current: 600/508
• CPC Class Codes: A61B 5/0059 using light, e.g. diagnosis by transillumination, diascopy, fluorescence A61B5/0093, A61B5/1455, A61B5/02416 and A61B5/0261 take precedence
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/02444 Details of sensor A61B5/02427 takes precedence
• CPC Class Codes: A61B 5/6824 Arm or wrist

Abstract

According to various aspects of the present disclosure, an Optical Heart Rate Sensor is designed to pick up the heart rate pulse when worn on a user'"'"'s wrist instead of wearing a bulky chest strap, which is not comfortable. An example optical heart rate sensor unit has two light emitting diodes that provide light source projected to skin. An optical detector mounted close to the light source can detect the movement of blood under the skin of the wrist based on light reflected from the skin. The optical detector can detects blood movement by emitting light onto skin and measuring the amount of light absorbed by skin. The optical sensor can be very sensitive to light, electrical static and electromagnetic waves. A special chamber is designed to protect the sensor unit so that the sensor unit can work when user wears the sensor on the arm.

Claims

13-1. The measuring device of claim 1, wherein the processor is configured to render at least part of information received via the optical heart rate sensor module on the display.