Typewriting machines – For operation by handicapped user
Patent
1978-10-02
1981-06-23
Wright, Jr., Ernest T.
Typewriting machines
For operation by handicapped user
400 83, 340365R, B41J 530
Patent
active
042747538
ABSTRACT:
A non-oral communication device is disclosed. The device includes a single electrical switch actuable by an operator and movable between a first and second position. A memory stores a plurality of messages at a plurality of locations indexed by plural digit numbers. A selector circuit is provided for selecting one of the messages by its indexed plural digit number. The selector circuit includes a numeral display actuated by the switch. The numeral display has a plurality of digit locations at which numerals can be displayed. A mechanism cyclically displays different numerals at each digit location. A mechanism actuated by the switch is provided for choosing a displayed numeral at each digit location. A mechanism actuated by the switch transmits the numerals chosen to the memory after a complete plural digit number of a desired message has been chosen. A signalling mechanism signals a message display to display a selected message indexed by a chosen plural digit number.
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