Patent ID: 6838996

Claim:
An apparatus for improved safety in the operation of a crane comprising: A. an Remote Keyless Entry transmitter ( 80 ) capable of transmitting at least one RF signal( 90 ) or code; an electronic circuit ( 70 ) affixed with affixing means proximal a crane load ( 32 ); the Remote Keyless Entry transmitter ( 80 ) remote from the crane load ( 32 ); the electronic circuit ( 70 ) comprised of RF or code receiving or detection means ( 74 ), ( 75 ), controller means ( 71 ) to receive the output of the RF or code receiving or detection means ( 74 ), ( 75 ); the controller ( 71 ) output operates an asynchronous alarm driver ( 72 ) which provides an output to operate at least a horn alarm ( 77 ).