发明名称 |
FJERNBETJENING TIL RADIOTELEFONIAPPARATER |
摘要 |
A radiotelephone system having a control transmitter unit which includes a control unit having operating keys, a channel indicator device, a function indicator device and a loudspeaker/microphone device, the control transmitter unit including an ultrasonic or infrared transmitter for the transmission of the function signals required for operation of the radiotelephone system, the radiotelephone system further having a receiver unit provided with an ultrasonic or infrared receiver for actuating function and indicator devices. |
申请公布号 |
DK158691(B) |
申请公布日期 |
1990.07.02 |
申请号 |
DK19790001793 |
申请日期 |
1979.05.01 |
申请人 |
BOSCH GMBH, ROBERT |
发明人 |
MUELLER, HORST;VORWERK, HELMUT |
分类号 |
H03J9/04;H03J9/06;H04B10/10;H04M1/737;(IPC1-7):H03J9/00;H04B1/40;H04B11/00;H04B10/24;H04B3/00 |
主分类号 |
H03J9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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