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Cathode ray tube with touch-sensitive display panel

  • US 4,230,967 A
  • Filed: 07/28/1978
  • Issued: 10/28/1980
  • Est. Priority Date: 07/28/1978
  • Status: Expired due to Term
First Claim
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1. A touch panel assembly comprisingan insulating plate having an outer surface and an inner surface,a plurality of narrow column conductors on said outer surface and a column of first relatively large-area transparent electrodes disposed adjacent to each of said column conductors, said first electrodes also being aligned in rows,interleaved means intimately coupling each column conductor to the column of first large-area electrodes adjacent to it,a plurality of rows of second large-area transparent electrodes on the inner surface of said plate, each second electrode lying beneath a first electrode on the outer surface and being capacitively coupled thereto, anda narrow row conductor extending along and coupling together the second electrodes in each row on said inner surface.

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