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Non-oral communication device

  • US 4,274,753 A
  • Filed: 10/02/1978
  • Issued: 06/23/1981
  • Est. Priority Date: 10/02/1978
  • Status: Expired due to Term
First Claim
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1. A non-oral communication device comprising:

  • a single electrical switch actuable by an operator and movable between a first and a second position;

    a memory for storing a plurality of plural word messages at a plurality of locations indexed by plural digit numbers, said memory being capable of storing said messages at locations indexed by numbers having at least three digits;

    a selector circuit for selecting one of said plural word messages by its indexed plural digit number;

    said selector circuit including numeral display means actuated by said switch, said numeral display means having at least three digit locations at which numerals can be displayed, means for cyclically indicating different numerals at each of said at least three digit locations, means actuated by said switch for choosing a displayed numeral at each of said at least three digit locations, said cyclical indicating means cyclically indicating different numerals at one of said at least three digit locations until said switch actuates said choosing means to choose a numeral being indicated, said numeral display means displaying a numeral chosen, said cyclical indicating means cyclically indicating different numerals at a succeeding digit location after a numeral has been chosen at a preceding digit location, and means actuated by said switch for transmitting the numerals chosen to said memory after a complete plural digit number of a desired plural word message has been chosen; and

    means for signaling a message display means to display a selected plural word message indexed by a chosen plural digit number.

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