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Mobile device locator

A technology of mobile devices and locators, which is applied in the field of determining the position of mobile devices in vehicles, and can solve problems such as smart phone dangers

Pending Publication Date: 2020-06-26
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using many smartphone apps while driving is considered extremely dangerous and is strictly prohibited in many countries

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] figure 1 A mobile device locator 100 according to an embodiment is shown. The mobile device locator 100 may have an acoustic input 102 connected to a correlator 104 . The correlator output 106 may be connected to a received signal strength indicator (RSSI) 108 . The correlator output 106 may be connected to a time difference of arrival (TDOA) calculator 116 . RSSI output 110 may be connected to comparator 112 . The comparator output 114 may be connected to a location area indicator 120 . TDOA output 118 may be connected to location area indicator 120 . The location area indicator 120 may output a signal on a location area indicator output 122 indicative of the location of the mobile device within the area of ​​the vehicle cabin. Memory 132 may include first detection mode 126 and second detection mode 128 . Memory 132 may include predetermined RSSI thresholds 130 . Memory output 124 may be connected to correlator 104 and comparator 112 . The memory 132 may inclu...

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PUM

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Abstract

A method and apparatus of determining the position of a mobile device in a region of a vehicle cabin are described. The mobile device has a speaker and at least one microphone. The vehicle has an audio system comprising at least two speakers. The mobile device detects first and second acoustic signals respectively transmitted via the first and second vehicle speaker. The acoustic signals comprisea respective detection pattern. The detection patterns are mutually orthogonal. The detected acoustic signals may be compared or correlated with the detection patterns and a respective matched acoustic signal generated. The location of the mobile device within a region of the vehicle cabin may be determined based on the time difference of arrival of the first matched acoustic signal and the secondmatched acoustic signal. The mode of operation of the mobile device may be set or changed dependent on the location of the mobile device.

Description

technical field [0001] The present disclosure relates to a method and apparatus for determining the location of a mobile device in a vehicle. Background technique [0002] Occupants in the vehicle may frequently use mobile devices such as smartphones. However, using many smartphone apps while driving is considered extremely dangerous and is strictly prohibited in many countries. In addition to legal measures, new technologies have been implemented to prevent texting while driving. Contents of the invention [0003] Various aspects of the disclosure are defined in the appended claims. In a first aspect, there is provided a mobile device locator configured to be included in a mobile device, the mobile device locator comprising: a correlator configured to: The first acoustic signal and the second acoustic signal emitted by the first loudspeaker and the second loudspeaker; comparing the detected first acoustic signal and second acoustic signal with the corresponding predete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/725H04W4/029H04W4/40H04W4/60G01S5/02G01S5/10
CPCH04W4/029H04W4/40H04W4/60G01S5/0284G01S5/10H04M1/72421H04M1/72457H04M1/72463H04M1/72484H04W4/02H04W4/027H04W4/48G01S5/18G01S5/26G10L25/51H04R1/025H04R3/12H04R5/02H04R2499/11H04R2499/13H04S1/007
Inventor 金·范乐
Owner NXP BV
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