Direction-finding chip, direction-finding method and beacon

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United States of America Patent

PATENT NO 11067395
APP PUB NO 20190346268A1
SERIAL NO

16364595

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Abstract

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The present invention discloses a direction-finding chip, a direction-finding method and a beacon. The direction-finding chip is applied to a beacon of a direction-finding system. The beacon includes multiple antennas and an inertial measurement unit (IMU). A mobile device can calculate angle information according to supplement provided by the beacon. The direction-finding chip includes a computation circuit and a radio frequency circuit. The computation circuit generates coordinate conversion information or a correction amount of the coordinate conversion information according to an acceleration and a magnetic field vector generated by the IMU. The coordinate conversion information or the correction amount can be used to compensate the angle information. The radio frequency circuit is coupled to the computation circuit and configured to transmit the supplement and the coordinate conversion information or the correction amount.

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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORPORATIONNO 2 INNOVATION RD II HSINCHU SCIENCE PARK HSINCHU 30076

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Chun-Ming Hsinchu, TW 14 32
He, Wei-Hung Hsinchu, TW 27 90

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