作者: Alden Schloss
DOI:
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摘要: A device having a slot in which removable-insertable flash cards or flexible tape are placed. On the face of placed, singly any combination, braille letters, words, printed matter and pictures. same placed lengthwise strips magnetic tape, flexibly held to facilitate maximum utilization wavelength "reading" ability head. In alignment with on an inserted card is record-reproduce The disposed horizontally preferred embodiment facilitae learning braille. Said head mechanically driven uniform reciprocal motion over length rods. Amplifier control means allow record potential audio messages also reproduce said messages.