Telephone keypad input technique

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

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379 97, 379 63, 341 28, H01J 704

Patent

active

048721964

ABSTRACT:
Japanese language symbols are entered into a telephone keypad for storage in subsequent name
umber recall memory. The kata-kana symbol matrix is used to represent the Japanese language. The matrix is stored in memory and selected keys on a keypad are used to progress through the matrix to identify selected entries within the matrix.

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patent: 4737040 (1988-04-01), Moon

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