发明名称 ALTERNATIVE CONTROL SYSTEM DEPENDING ON GROUND
摘要 PURPOSE:To shorten the holding time for such as common control unit and further enable the fine alternative control with the network control unit, by making alternative control corresponding to ground.
申请公布号 JPS52143706(A) 申请公布日期 1977.11.30
申请号 JP19760059968 申请日期 1976.05.26
申请人 OKI ELECTRIC IND CO LTD;NIPPON TELEGRAPH & TELEPHONE;NIPPON ELECTRIC CO;HITACHI LTD;FUJITSU LTD 发明人 SHIYUUBOU MIKIO;NAKAMURA YASUAKI;KOBAYASHI TETSUO;KANO HARUKIYO;TAKECHI HIROAKI
分类号 H04Q3/555;H04Q3/47 主分类号 H04Q3/555
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