<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the capacitive proximity sensing method, arranging multiple sensing electrodes makes it possible to obtain the three-dimensional position of a nearby object. The author has developed a capacitive proximity sensing method using LC resonance in three reactance elements. In this method, the detectable area can be greatly extended by the floating electrodes, which are capacitively connected to the sensing electrode. By connecting multiple floating electrodes in series, the detectable range can be extended up to the length of the array of floating electrodes. When these electrodes are arranged on a frame, the region surrounded by the frame becomes the detectable area. By applying this frame on any surface, it is possible to make the surface within the opening of the frame a non-contact operating panel, which can be applied as a gesture input device.</p></abstract>

In the capacitive proximity sensing method, arranging multiple sensing electrodes makes it possible to obtain the three-dimensional position of a nearby object. The author has developed a capacitive proximity sensing method using LC resonance in three reactance elements. In this method, the detectable area can be greatly extended by the floating electrodes, which are capacitively connected to the sensing electrode. By connecting multiple floating electrodes in series, the detectable range can be extended up to the length of the array of floating electrodes. When these electrodes are arranged on a frame, the region surrounded by the frame becomes the detectable area. By applying this frame on any surface, it is possible to make the surface within the opening of the frame a non-contact operating panel, which can be applied as a gesture input device.

Expansion of detectable area by floating electrodes in capacitive three-dimensional proximity sensor

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

running-head

In the capacitive proximity sensing method, arranging multiple sensing electrodes makes it possible to obtain the three-dimensional position of a nearby...

Expansion of detectable area by floating electrodes in capacitive three-dimensional proximity sensor

Published Online: Nov 01, 2021

Page range: 1 - 11

Received: Aug 30, 2021

Accepted: Sep 27, 2021

DOI: https://doi.org/10.21307/ijssis-2021-018

Keywords
Capacitive sensor, Gesture input device, 3D position sensing, Non-contact operation, Proximity sensor, Stray capacitance

© 2021 M. Deguchi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Expansion of detectable area by floating electrodes in capacitive three-dimensional proximity sensor

Published Online: Nov 01, 2021

Page range: 1 - 11

Received: Aug 30, 2021

Accepted: Sep 27, 2021

DOI: https://doi.org/10.21307/ijssis-2021-018

KeywordsCapacitive sensor, Gesture input device, 3D position sensing, Non-contact operation, Proximity sensor, Stray capacitance

© 2021 M. Deguchi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Capacitive sensor, Gesture input device, 3D position sensing, Non-contact operation, Proximity sensor, Stray capacitance