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| Electrical connector |
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Electronic scale including a fault-detecting electronic display module
| Details |
Inventors: Goodwin, III, John C.;
Assignee: NCR Corporation (Dayton, OH)
Primary Examiner: Luebke; Renee S.
Assistant Examiner: Gibson; Randy W.
Attorney, Agent or Firm: Martin; Paul W.
An electronic scale including a fault-detecting electronic display module which can detect a crack in a display, a separation in a cable connected to the display, and a separation between the cable and a connector on a printed circuit board. The fault-detecting electronic display module includes the display, which displays a weight of an object, the cable, and a fault-detecting line extending around at least a portion of the perimeter of the electronic display and through the cable. The electronic scale also includes a load cell for sensing the weight of the object, and a controller coupled to the load cell and to the fault-detecting display module. |
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DETAILED DESCRIPTION In accordance with the teachings of the present invention, an electronic scale including a fault-detecting display module is provided.
The fault-detecting electronic display module includes an electronic display, which displays a weight of an object, a cable coupled to the electronic display, and a fault-detecting line extending around at least a portion of the perimeter of the electronic display and through the cable.
The electronic scale also includes a load cell for sensing the weight of the object, and a controller coupled to the load cell and to the fault-detecting display module.
A method of detecting a failure of an electronic display in an electronic scale is also disclosed and includes the steps of providing a fault-detection line within the display, extending the fault-detection line through a cable such that the fault-detection cable occupies two lines of the cable, coupling the cable to a connector on a printed circuit board by coupling the two ends of the two lines to corresponding first and second terminals in the connector, checking the continuity between the first and second terminals, and alerting an operator that weight information is unreliable if a separation is sensed between the first and second terminals.
It is accordingly an object of the present invention to provide an electronic scale including a fault-detecting display module.
It is another object of the present invention to provide an electronic scale including a fault-detecting display module that can detect cracked or broken glass.
It is another object of the present invention to provide an electronic scale including a fault-detecting display module that can detect disconnected, improperly connected, or broken connector cables to the LCDs .
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Fuel Cells 
