Ultra-thin haptic switch with lighting

A haptic switch includes: (a) a force sensor responding a mechanical stimulus by providing a sensing signal; (b) a processing circuit receiving the sensing signal and providing a control signal; and (c) an electromechanical polymer (EMP) actuator receiving the response control signal and providing a...

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creator Zellers Brian C
description A haptic switch includes: (a) a force sensor responding a mechanical stimulus by providing a sensing signal; (b) a processing circuit receiving the sensing signal and providing a control signal; and (c) an electromechanical polymer (EMP) actuator receiving the response control signal and providing a haptic response. The force sensor and the EMP actuator may each be provided on a flexible circuit covered by a protective layer overlying the flexible circuit. The haptic switch may include a graphic layer on which is provided a symbol representing a key. In that haptic switch, the symbol, the light source, the EMP actuator and the force sensor are aligned such that the light source illuminates the symbol and such that, when a user pushes on the symbol, the user's push applies a pressure on the force sensor and the EMP actuator's haptic response is provided in the vicinity of the force sensor.
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subjects ALARM SYSTEMS
BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
ORDER TELEGRAPHS
PHYSICS
RELAYS
SELECTORS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
title Ultra-thin haptic switch with lighting
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