A portable, hand held device for controlling the operation of a crane or other device that includes weighing means, and for displaying or indicating weighing data in hand. The indicator includes a power source, a microcontroller communicatively connected to the power source, a radio module communicatively connected to the microcontroller, a display communicatively connected to the microcontroller, and a keypad. A system including the indicator and between one and four scales, and a crane control relay, is also disclosed.
PORTABLE, HAND-HELD CONTROLLER AND INDICATOR TECHNOLOGY
2015-11-05
Patent
Electronic Resource
English
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