Capacitance sensing circuits
K Chang - US Patent 10,627,436, 2020 - Google Patents
(57) ABSTRACT A capacitance sensing circuit includes a buffer circuit, a modulation circuit,
and an integral circuit. The buffer circuit is coupled to an external capacitor through a touch …
and an integral circuit. The buffer circuit is coupled to an external capacitor through a touch …
Method, apparatus and system for updating geomagnetic information
TAN Kaitian, Y Zhu, C Liu - US Patent 11,194,781, 2021 - Google Patents
US11194781B2 - Method, apparatus and system for updating geomagnetic information -
Google Patents US11194781B2 - Method, apparatus and system for updating geomagnetic …
Google Patents US11194781B2 - Method, apparatus and system for updating geomagnetic …
Apparatus and method to aid magnetic positioning and navigation
K Finlow-Bates - US Patent 9,797,725, 2017 - Google Patents
Indoor navigation in a location presents a problem compared to outdoor navigation, in that
satellite signals used in calculating a position within the location, through the use of a global …
satellite signals used in calculating a position within the location, through the use of a global …
Method for discovering unexploded ordnance by detecting transient electromagnetic field in combination with magnetic field gradient
XP Zheng, ZY Sun, G Hua, XJ Deng… - US Patent 11,774,624, 2023 - Google Patents
A method for discovering an unexploded ordnance in a target area includes: acquiring first
feedback signals respectively corresponding to detection regions, the first feedback signals …
feedback signals respectively corresponding to detection regions, the first feedback signals …
Techniques for indoor positioning
JW Song, YH Kim, EJ Kim, MJ Choi - US Patent 11,466,989, 2022 - Google Patents
A method is described in which a plurality of magnetic field norms is obtained using a
plurality of magnetic field sensor units, each of the plurality of magnetic field sensor units …
plurality of magnetic field sensor units, each of the plurality of magnetic field sensor units …
Systems and methods for monitoring roadways using magnetic signatures
A Baranga, C Georgieff - US Patent 10,672,266, 2020 - Google Patents
A system and method are disclosed for using magnetic signatures at predetermined
positions along a roadway to monitor traffic travelling along the roadway by comparing the …
positions along a roadway to monitor traffic travelling along the roadway by comparing the …
Systems and methods for monitoring roadways using magnetic signatures
A Baranga, C Georgieff, M Gilmore, T Ward - US Patent 9,934,682, 2018 - Google Patents
A system and method are disclosed for using magnetic signatures at predetermined
positions along a roadway to monitor traffic travelling along the roadway by comparing the …
positions along a roadway to monitor traffic travelling along the roadway by comparing the …