专利名称：Key assignor发明人：Hiroshi Kitagawa申请号：US05/811079申请日：19770629公开号：US04138916A公开日：19790213
摘要：A key assignor comprising a scanning means, a first clock memory, a secondmemory for releasing a switch information, a comparator, a priority circuit device, a meansfor inhibiting the write-in operation, and a means for extracting key codes. Key switchesare divided into blocks to scan the latter without scanning all of key switches. Scanningtime can considerably be reduced as compared to prior arts, thereby enhancing responsegreatly.
申请人：KABUSHIKI KAISHA KAWAIGAKKI
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