Patent ID: 7012519

Claim:
An emergency shutoff system for power machinery, comprising: a control device housing a transmitter circuit, a receiver circuit, and a processor, the control device configured to be detachably mounted to the power machinery to control an operation thereof; a wireless device carried by a user and configured to transmit information to the control device, the information including control signals to cause the processor to shut down operation of the power machinery, the control device being configured to transmit a distress signal to a third party located remote from the power machinery, and provide an indication to attract attention of others, wherein transmission of the distress signal is initiated after receiving the control signals to shut down the power machinery; a communications device communicatively coupled to the control device to transmit the distress signal to the third party; and wherein the control device is configured to operate in a plurality of different modes, individual ones of the plurality of different modes being configured to perform a distinct function, and wherein selective operation of a single emergency switch provided on the wireless device is configured to cause the control device to operate in the plurality of different modes including disabling operation of the power machinery and preventing a third party from inadvertently initiating operation of the power machinery from a remote location, the disabling of the power machinery triggers the communications device to transmit the distress signal to the third party.