Importance

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Abstract

A material handling system, such as a monorail material handling system, and a delivery device therefor which is intelligent, self-powered and capable of communicating with a central system control via a radio frequency communication link without direct electrical connection therewith. The material handling system comprises at least one delivery device, a pathway along which the delivery device is adapted to be propelled, and a central electronic control for controlling operation of the system. Each delivery device includes a drive for propelling the delivery device along the pathway, an onboard power supply for providing power to the drive, and an onboard electronic control for controlling operation of the delivery device. The onboard electronic control and the central electronic control include radio frequency communications for providing a radio communication link therebetween. The onboard electronic control also includes a data processor for processing data received from the central electronic control and from external monitors connected thereto and for generating signals to carry out many of the control functions normally performed by a central system control.

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First Claim