US PATENT SUBCLASS 400 / 69
.~ Type-face selection via magnetic program tape


Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

61  DF  INCLUDING CONTROL OF FORMAT AND SELECTION OF TYPE-FACE BY PROGRAMMED CONTROL-SYSTEM (E.G., INPUT TYPEWRITER) {7}
69.~ Type-face selection via magnetic program tape


DEFINITION

Classification: 400/69

Type-face selection via magnetic program tape:

(under subclass 61) Subject matter wherein the program-control-systems* includes an auxiliary-record-program* that comprises a band or ribbon* of material containing ferrous particles capable of being oriented or reoriented relative to the band or tape, the orientation of the particles being sensed to effect selection or choice of the type-face* elements that will be impressed against the record-medium* to effect imprint of character* symbols in sequence.