发明名称 Text teletype writer with caller identification function
摘要 A text teletype writer (TTY) is provided for receiving, processing, and displaying caller identification information in a visual display. A call back function is included to allow for automatic DTMF dialing of a telephone number associated with a previously received call.
申请公布号 US5915000(A) 申请公布日期 1999.06.22
申请号 US19970885303 申请日期 1997.06.30
申请人 NGUYEN, VINH H.;ANDER, SIDNEY;DAVIS, BRYAN;HALE, KEVIN L. 发明人 NGUYEN, VINH H.;ANDER, SIDNEY;DAVIS, BRYAN;HALE, KEVIN L.
分类号 H04M1/57;H04M11/06;(IPC1-7):H04M11/00 主分类号 H04M1/57
代理机构 代理人
主权项
地址