发明名称 Touch activated audio module and sign
摘要 The present invention is directed to an audio sign adapted to provide an aural message once the sign is tactilely actuated. The invention typically includes a graphical information section, a tactile information section, and a self contained audio section configured to provide aural information once tactilely actuated.
申请公布号 US6267598(B1) 申请公布日期 2001.07.31
申请号 US19980151512 申请日期 1998.09.11
申请人 ALLEN, JR. ROBERT H. 发明人 ALLEN, JR. ROBERT H.;LAPIETRA FRANK
分类号 G09F25/00;(IPC1-7):G09B21/00;G06K9/00;G09F7/00 主分类号 G09F25/00
代理机构 代理人
主权项
地址