US PATENT SUBCLASS 708 / 142
.~.~ Including specific keyboard-type information entry

Current as of: June, 1999
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708 /   HD   ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING

100  DF  ELECTRICAL DIGITAL CALCULATING COMPUTER {10}
131  DF  .~ Having specialized input {9}
142.~.~ Including specific keyboard-type information entry {4}
143  DF  .~.~.~> Nonmechanical key actuation
144  DF  .~.~.~> User definable key
145  DF  .~.~.~> Plural function key
146  DF  .~.~.~> Key sequencing (i.e., sequence defines function)

DEFINITION

Classification: 708/142

Including specific keyboard-type information entry:

(under subclass 131) Subject matter where information ultimately conveyed to the calculating portion is produced by a particular device having plural individually actuatable keys.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers, appropriate subclasses for switches, per se.

341, Coded Data Generation or Conversion,

22+, for a keyboard controlled code transmitting device.

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

168+, for display peripheral interface input device including keyboard.