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Data display device

  • US 3,938,140 A
  • Filed: 05/06/1974
  • Issued: 02/10/1976
  • Est. Priority Date: 05/09/1973
  • Status: Expired due to Term
First Claim
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1. A data display device comprising at least one segment whose shape has a descriptive value, said shape undergoing a perceptible change in appearance under the action of a control signal applied to means for exciting said segment, wherein each said segment comprises a same number of complementary areas;

  • said excitation means being divided up into as many excitation units as there are areas in each said segment;

    said units being electrically connected to said areas by separate connections and being controlled simultaneously by said control signal.

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