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Detection of vital parameters using optical sensors on the steering wheel

An optical sensor and life parameter technology, applied to sensors, diagnostics using light, and steering control installed in vehicles, can solve problems such as fluctuations in measured values, achieve simple measurement, and improve reliability and accuracy.

Inactive Publication Date: 2015-12-09
ZF FRIEDRICHSHAFEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of this arrangement, however, there are also disadvantages with regard to the shape of the steering wheel and fluctuations in the measured values ​​when the steering wheel or the EKG sensor is strongly heated by solar radiation

Method used

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  • Detection of vital parameters using optical sensors on the steering wheel
  • Detection of vital parameters using optical sensors on the steering wheel
  • Detection of vital parameters using optical sensors on the steering wheel

Examples

Experimental program
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Embodiment Construction

[0040] figure 1 and 2 A motor vehicle steering wheel 1 with a detection device according to a preferred embodiment of the invention is shown. here from figure 1 and 2 Overview It can firstly be seen that in the embodiment shown, steering wheel 1 comprises two finger sensor devices 2 and 3 . In this case, finger sensor devices 2 and 3 are each arranged on the rear side of steering wheel 1 facing away from the driver in the transition region between steering wheel spokes 4 and the rear side of steering wheel main body or steering wheel cushioning part 5 .

[0041] It can be seen that the positioning of the sensor devices 2 , 3 allows the required measurement of vital parameters of the driver to be carried out with as little effort as possible, eg while driving, without having to take the hands off the steering wheel 1 . In this case, measurements can generally be carried out without changing the grip on the steering wheel 1 , since according to the invention the steering whe...

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Abstract

The invention concerns a measurement device to capture at least one vital parameter of a person in a motor vehicle with a steering wheel. The measurement device includes a finger sensor device with an optical sensor device, where the finger sensor device is attached to the steering wheel in the transition zone between a steering wheel spoke and the hub of the steering wheel.

Description

technical field [0001] The invention relates to a detection device for detecting at least one vital parameter of a person in a motor vehicle according to the preamble of claim 1 . Background technique [0002] The detection of vital parameters in humans by optical plethysmography (volume fluctuation measurement) and pulse oximetry (oxygen saturation measurement) is known per se and is usually performed by means of optical measurements of, inter alia, pulse rate, pulse rate variation and arterial oxygen saturation. This is achieved non-invasively by measuring the absorption or reflection of light as it passes through tissue. [0003] In principle, plethysmography and pulse oximetry are based on similar optical measurement methods. Whereas plethysmography is performed by means of optical measurements of light absorption changes produced by volume fluctuations in particular blood vessels, pulse oximetry is based on red and infrared measuring beams that are transmitted through ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/18B62D1/04A61B5/296A61B5/308A61B5/332
CPCA61B5/18A61B5/0059A61B5/02433A61B5/02444A61B5/0295A61B5/0402A61B5/0404A61B5/14551A61B5/6826A61B5/6893B62D1/046A61B5/332B60W2040/0872A61B5/318
Inventor 路德格尔·拉克安德烈亚斯·吉费尔约尔格·迈尔
Owner ZF FRIEDRICHSHAFEN AG
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