发明名称 Private telephone system using a personal code number to access the telephone nearest to the code number holder
摘要 A telephone system, wherein an IC card device storing a personal ID number is inserted into the telephone nearest the owner of the IC card device, thus registering the personal ID number in association with the nearest telephone. Once the personal ID number has been registered in this manner, this telephone is automatically connected to any calling telephone on which the personal ID number is dialed.
申请公布号 US4852156(A) 申请公布日期 1989.07.25
申请号 US19870107383 申请日期 1987.10.09
申请人 CASIO COMPUTER CO., LTD. 发明人 SHIGENAGA, YOSHIMI
分类号 H04M1/26;H04M1/276;H04M1/675;H04M3/42;H04Q3/62 主分类号 H04M1/26
代理机构 代理人
主权项
地址