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Pulsometer worn on wrist and associated control method

A pulse meter and pulse technology, applied in the measurement of pulse rate/heart rate, medical science, sensors, etc., to achieve the effect of improving reliability, easy detection, and increasing signal diversity

Active Publication Date: 2008-01-23
ETA SA MFG HORLOGERE SUISSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although this arrangement of the diodes and photodiodes generally yields good results, problems with the reliability of the pulse measurement can sometimes be observed, especially due to physiological differences between different wearers, e.g. with respect to wrist vascularization
These measurement reliability problems can also arise due to the poor position of the housing on the wrist

Method used

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  • Pulsometer worn on wrist and associated control method
  • Pulsometer worn on wrist and associated control method
  • Pulsometer worn on wrist and associated control method

Examples

Experimental program
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Embodiment Construction

[0024] 1 to 4 show a pulsometer 10 that can be worn on the wrist 12 of a wearer. Pulsometer 10 includes a housing 14 connected to wrist 12 via a fastening wrist strap or strap 16 .

[0025] In the following description, the general direction with respect to the forearm of the wearer's wrist 12 is designated as direction D1.

[0026] The housing 14 comprises electro-optical means 18 for measuring the pulse of the wearer and electronic circuitry 20 for processing the measurements in order to calculate and display the wearer's pulse P by means of a display means 22, such as a liquid crystal display.

[0027] The electro-optic measurement device 18 is disposed within the rear cover 24 of the housing 14 , on the opposite side from the display device 22 . The wrist strap 16 holds the back cover 24 of the housing 14 pressed against the wrist 12 so as to optimize the operation of the electro-optical measuring device 18 .

[0028] According to the teachings of the present invention, ...

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PUM

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Abstract

The pulsometer (10) has an electronic optical measurement device (18) measuring a pulse of a wearer and comprising light sources (E1-E3) and receivers (R1-R3). The sources are formed by a diode emitting light in infrared range, and the receivers are formed by photodiodes. The sources and the receivers are arranged in the form of a matrix including rows and columns (C1-C3). The rows are oriented along a direction orthogonal to a direction of a wrist, and the columns are oriented parallel to the direction of the wrist. Each row and column alternately contains one light source and one receiver. An independent claim is also included for a method for controlling a pulsometer.

Description

technical field [0001] The invention relates to a pulse meter which can be worn on the wrist and a control method thereof. [0002] The invention relates in particular to a pulsometer worn on the wrist comprising a housing comprising, electro-optical means for measuring the pulse of a person wearing the pulsometer, and electronic circuitry for processing the measurements in order to calculate the pulse, Also included is a fastening wrist strap capable of pressing the back cover of the housing against the wrist, wherein the electro-optical measurement device includes at least one light source and light receivers disposed in the back cover of the housing and oriented towards the wrist. Background technique [0003] A pulsometer of this type is specifically disclosed in US Patent No. 2003 / 0065269. In this document, the electro-optic measuring device comprises a light emitting diode arranged in the center of a square delimited by four photodiodes, so that each photodiode is loc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/024
CPCA61B5/02438A61B5/0245A61B5/02416A61B5/02
Inventor F·克洛普芬斯滕R·韦特P·雷内韦V·诺伊曼C·维尔居斯
Owner ETA SA MFG HORLOGERE SUISSE