US PATENT SUBCLASS 199 / 78
.~.~.~ Keyboard control
Current as of:
June, 1999
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199 /
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TYPE CASTING
69
DF
SEPARATE TYPE
{5}
75
DF
.~ Slidable matrix-carrier machines {1}
76
DF
.~.~ Two-way movement {3}
78
.~.~.~ Keyboard control
DEFINITION
Classification: 199/78
(under subclass 76) Subject matter having a plurality of manually-operatable members for selecting the desired matrix-characters.