发明名称 Method and apparatus of providing audio feedback over a digital channel
摘要 Providing an audible feedback feature giving the user the ability to audibly monitor the progress of a data connection over a digital wireless channel. Audible tones generated within a base station and received from a telephone network are encoded within the base station and transmitted over the digital wireless link to a mobile unit. The mobile unit decodes the signal received from the base station and provides the audible tones to a user. The user can thus monitor the success or failure of the data connection.
申请公布号 US5574773(A) 申请公布日期 1996.11.12
申请号 US19940200028 申请日期 1994.02.22
申请人 QUALCOMM INCORPORATED 发明人 GROB, MATTHEW S.;KARMI, GADI;KIMBALL, ROBERT H.
分类号 H04B7/26;H04L5/02;H04W76/02;(IPC1-7):H04B7/00 主分类号 H04B7/26
代理机构 代理人
主权项
地址