发明名称
摘要 <p>A participant response system comprises a plurality of handsets for allowing a participant of an event to input a response. Each handset comprises a wireless handset having a keyboard for allowing a user to input a response. The handsets are configurable either as a participant response handset to allow a participant to enter a response, or as a base station. The handset also includes audio capability to allow participants to receive and input audio.</p>
申请公布号 JP4960411(B2) 申请公布日期 2012.06.27
申请号 JP20090174216 申请日期 2009.07.27
申请人 发明人
分类号 H04M3/56;H04W4/08;G07C13/00;H04H60/31;H04M1/00;H04M1/725;H04M11/00;H04Q7/32;H04Q7/38;H04W8/24 主分类号 H04M3/56
代理机构 代理人
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