Patent ID: 9629007
Date: 2017-04-18
CPC Classifications: B66C,H04W

Claim:
1. A method for monitoring the operating state of a handling device for a work piece, wherein the handling device can be brought into contact with a work piece so as to apply mechanical pressure to the work piece, wherein a transponder being arranged on the handling device including a communication circuit and an antenna for wireless signal transmission from and to a base device, wherein an interfering object is provided separate from the transponder, and wherein the method further comprises the steps of: transitioning the handling device between a first operating state and a second operating state, wherein the first operating state corresponds to a position of an interfering object in spaced relation to the antenna and the second operating state corresponds to a position of the interfering object closer in relation to the antenna; interfering with the signal transmission between the antenna and the base device by the interfering object when it is in its closer position, wherein the antenna always remains electrically connected to the communication circuit; wherein the interfering object does not interfere with the signal transmission when the interfering object is in its spaced position; detecting at least one of the occurrence or lack of interference with the signal transmission for determination of a transition between the operating states.