Proximity dead man interrupter, alarm and reporting system
First Claim
Patent Images
1. A system, comprising:
- a controller for controlling operation of one of a machine or process;
a control point coupled to the controller and being located with respect to the one of a machine and process; and
,a remote node located with respect to an item associated with one of a machine and process for detecting a predetermined condition of the item and automatically delivering a fault signal to the control point through a wireless communications channel in response to detecting the predetermined condition of the item, the controller for controlling operation of the one of the machine or process as a function of the presence or absence of the fault signal.
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Abstract
A system for controlling operation of a machine or process includes a control point and a remote node. The control point is located with respect to the machine or process. The remote node is located with respect to an operator of the machine or process for detecting a predetermined condition of the operator and responsively delivering a fault signal to the control point through a wireless communications channel.
22 Citations
36 Claims
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1. A system, comprising:
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a controller for controlling operation of one of a machine or process; a control point coupled to the controller and being located with respect to the one of a machine and process; and
,a remote node located with respect to an item associated with one of a machine and process for detecting a predetermined condition of the item and automatically delivering a fault signal to the control point through a wireless communications channel in response to detecting the predetermined condition of the item, the controller for controlling operation of the one of the machine or process as a function of the presence or absence of the fault signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A system, comprising:
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a first controller for controlling operation of a first machine and/or process; a second controller for controlling operation of a second machine and/or process; a control point coupled to the first controller and the second controller; a first remote node being located with respect to a first item associated with the first machine and/or process for detecting a predetermined condition of the first item and automatically delivering a first fault signal to the control point through a wireless communications channel in response to detecting the predetermined condition of the item, the first controller for controlling operation of the first machine and/or process as a function of the presence or absence of the first fault signal; and
,a second remote node being located with respect to a second item associated with the second machine and/or process for detecting a predetermined condition of the second item and automatically delivering a second fault signal to the control point through the wireless communications channel in response to detecting the predetermined condition of the item, the second controller for controlling operation of the second machine and/or process as a function of the presence or absence of the second fault signal. - View Dependent Claims (33)
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34. A system, comprising:
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a controller for controlling operation of one of a machine or process; a control point coupled to the controller and being located with respect to the one of a machine and process; a repeater node wirelessly coupled to the control point; and
,a remote node located with respect to an item associated with one of a machine and process for detecting a predetermined condition of the item and automatically delivering a fault signal to the control point through the repeater node using a wireless communications channel in response to detecting the predetermined condition of the item, the controller for controlling operation of the one of the machine or process as a function of the presence or absence of the fault signal.
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35. A system, comprising:
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a first controller for controlling operation of a first machine and/or process; a second controller for controlling operation of a second machine and/or process; a first control point coupled to the first controller; a second control point coupled to the second controller; a first remote node being located with respect to a first item associated with the first machine and/or process for detecting a predetermined condition of the first item and automatically delivering a first fault signal to the control point through a wireless communications channel in response to detecting the predetermined condition of the item, the first controller for controlling operation of the first machine and/or process as a function of the presence or absence of the first fault signal; and
,a second remote node being located with respect to a second item associated with the second machine and/or process for detecting a predetermined condition of the second item and automatically delivering a second fault signal to the control point through the wireless communications channel in response to detecting the predetermined condition of the item, the first controller for controlling operation of the first machine and/or process as a function of the presence or absence of the first fault signal, wherein all signals between the remote nodes and the respective controllers include a unique identification indicator, each controller only responding to signals having a corresponding unique identification indicator. - View Dependent Claims (36)
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Specification