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发明名称
Remotely controlled speakerphone providing access security
摘要
A phone having activation by password or control codes that are transmitted by an authorized caller for validation of an incoming call and for control of the phone.
申请公布号
US8270584(B2)
申请公布日期
2012.09.18
申请号
US20100803076
申请日期
2010.06.18
申请人
SMITH TIERNEY WINSTON
发明人
SMITH TIERNEY WINSTON
分类号
H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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