发明名称 Closed-circuit hands-free device e.g. for motor vehicle mobile phone, enables cable to be partly-, fully- and/or semiautomatically-retracted by rollup device
摘要 A closed-circuit hands-free telephone device has a rollup device (12) with a rotatably mounted windup element and a cable (3), with an acoustic transducer unit (1) connected to it. The cable (3) can be at least partially-, completely- and/or semiautomatically-retracted by the rollup device (12)
申请公布号 DE10156754(A1) 申请公布日期 2003.06.05
申请号 DE20011056754 申请日期 2001.11.19
申请人 MUELLER, ROMAN 发明人
分类号 H04M1/15;H04M1/60;(IPC1-7):H04M1/62 主分类号 H04M1/15
代理机构 代理人
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