Method and a switch device for producing an electrical signal in response to mechanical force
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United States of America Patent
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May 29, 2018
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app pub date -
Jul 18, 2013
filing date -
Jan 12, 2012
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Abstract
A switch device for producing one or more electrical signals in response to mechanical force includes a body-part (101) and one or more electric transducers (102-105) connected to the body-part and arranged to produce the one or more electrical signals in response to mechanical force directed to the body-part. The body-part includes a cavity (106), and a wall constituting the bottom of the cavity is capable of being bent by mechanical force directed to the wall from the opposite side with respect to the cavity. The one or more electric transducers are located in the cavity and arranged to produce the one or more electrical signals when the bottom of the cavity is bent. The switch device can be built, for example, into a working plane of an electrical instrument so that a plate constituting the working plane constitutes also the body-part of the switch device.
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