Patent
Driven shielding capacitive proximity sensor
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TLDR
In this article, a capacitive proximity sensing element, backed by a reflector driven at the same voltage as and in phase with the sensor, is used to reflect the field lines away from a grounded robot arm towards an intruding object, thus dramatically increasing the sensor's range and sensitivity.Abstract:
A capacitive proximity sensing element, backed by a reflector driven at the same voltage as and in phase with the sensor, is used to reflect the field lines away from a grounded robot arm towards an intruding object, thus dramatically increasing the sensor's range and sensitivity.read more
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References
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Patent
Electronic warning and monitoring apparatus and electrode arrangement therefor
TL;DR: In this article, the authors propose a monitoring and warning apparatus for automatic processing apparatuses, in particular robots, where Reactance-determining elements are arranged as sensors on the movable parts of the robot and if the robot arm approaches an object, detuning of the sensor circuit occurs.
Patent
Capacitive path sensor with oscillator - has screening electrode between capacitor active and earthing electrodes, at same potential as active electrode
Josef Femboeck,Ernst Gabriel +1 more
TL;DR: In this paper, a path sensor system has an oscillator, a transmit and reception capacitance, a demodulator and a switching amplifier, with the oscillator comprising an externally influence capacitor (5) with an active electrode (6) and an earthing electrode (7).
Patent
Capacitive proximity detector
TL;DR: In this article, a capteur capacitif de proximite comprend deux electrodes mutuellement isolees electriquement connectees a un generateur de signaux and don au moins une est plate.
Patent
Touch actuated electronic switch
TL;DR: In this paper, an electronic switch which has no moving parts and is actuated by the capacitance of an operator providing a connection between earth ground and an input to the electronics associated with the switch is disclosed.
Patent
Automatic control using proximity sensors
TL;DR: In this paper, the difference in signal strength between the two antenna strips exceeds a threshold level and is used to determine the position of the object on one side or another of the antenna strips, where a bootstrap electrode is positioned behind a single antenna strip and is electrically connected to follow the voltage induced on the antenna strip by the received signal.