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Handheld programmable sign with folding screens

  • US 6,753,788 B1
  • Filed: 07/20/2000
  • Issued: 06/22/2004
  • Est. Priority Date: 02/23/1998
  • Status: Expired due to Term
First Claim
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1. A handheld programmable sign, comprising, in combination,a housing including a sign portion and a hand-grip portion mounted transverse to said sign portion, said sign portion having opposed front and rear sides, miniaturized microprocessor means for processing data mounted within said housing, keyboard means mounted in said hand-grip housing for receiving input data and transmitting the input data to said microprocessor means, said keyboard means including a keyboard miniaturized microprocessor, message display means for presenting the input data to an observer, said message display means being visually operative on said front side of said sign portion, circuit means for electrically joining said keyboard means, said microprocessor means and said message display means, said message display means including at least two display screen units foldable between an operative open mode wherein said at least two display screen units are planar in relationship and an inoperative closed mode, wherein in said open mode said at least two display screen units are planar in relationship and said message display means contained within said at least two display screen units visually presents said input data to an observer, and wherein in said closed mode said at least two display screen units are in a fully aligned parallel folded overlapping relationship said circuit means being first directed to said first display screen, hinge means for connecting said at least two display units for movement between said open mode and said closed mode, power means for supplying electrical current to said primary circuit means, and on/off means for connecting and disconnecting said circuit means with and from said power means.

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