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Operator/circuit interface with integrated display screen

  • US 5,977,955 A
  • Filed: 08/26/1996
  • Issued: 11/02/1999
  • Est. Priority Date: 11/05/1993
  • Status: Expired due to Fees
First Claim
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1. Operator and electrical circuit interfacing apparatus having at least one circuit component for enabling operator interaction with the electrical circuit, said circuit component having a manipulatable actuator and having means for producing electrical circuit control signals which means produces said control signals in response to manipulation of said actuator, said apparatus further having an electrically controlled display screen with a front face that is viewed by said operator and control means for generating any of a plurality of different images at an image display area on said front face of said screen, wherein the improvement comprises:

  • said electrically controlled display screen having a first array of parallel busbars therein which extend in orthogonal relationship with busbars of a second array of parallel busbars within said display screen and which enable activation of different combinations of image pixels at different times,said actuator being situated at least in part at said front face of said busbar containing display screen within said image display area thereof and at least a portion of said electrical circuit control signal producing means being behind said busbar containing display screen and wherein components of said electrical circuit control signal producing means which are behind said display screen interact with said actuator through said screen at said image display area of said screen including through a region of said screen at which the busbars of each of said arrays thereof are uninterrupted and extend in parallel relationship with each other, andwherein said control means energizes different combinations of the busbars of said first and second arrays thereof at different times to generate different images on said screen at different times that convey information pertaining to said circuit component.

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