Control station for operating a machine, in particular a wireless, portable, and manually operated remote control for a crane
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United States of America Patent
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Oct 3, 2017
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N/A
app pub date -
Sep 22, 2014
filing date -
Sep 26, 2013
priority date (Note) -
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Abstract
A control switch for operating a machine, the control switch including a housing that includes a gripping region for an operator, and a detecting device for detecting an operator. The control switch further includes a safety circuit for activating the control switch when an operator is detected, and deactivating the control switch when the operator is not detected. The safety circuit includes a detecting device that includes at least one sensor operable to detect in a near field an operator's hand holding the control switch in the gripping region. The detecting device includes at least one additional sensor which detects a use of the control switch.
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