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公开(公告)号：EP0818078B1
公开(公告)日：2001-08-01
申请号：EP96905745.4
申请日：1996-03-19
申请人： Blaupunkt-Werke GmbH
发明人： HERRMANN, Matthias
CPC分类号： H03H17/0294 , H03H17/025 , H03H17/04
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2.发明授权SCHALTUNGSANORDNUNG ZUR ABLEITUNG EINES VON DER ÄNDERUNGSRICHTUNG DER EMPFANGSFELDSTÄRKE ABHÄNGIGEN SIGNALS 失效电路是否放电方向受理FELDSTÄRKE依赖信号的变化的
公开(公告)号：EP0642716B1
公开(公告)日：2000-05-31
申请号：EP94911827.7
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
CPC分类号： H04B1/1661 , H04B1/1027
摘要： In a circuit for deriving a signal dependent on the direction of change of the reception field intensity in a radio receiver controllable by a microcomputer, outside the microcomputer there is a comparator to which the signal representing the current field intensity and a signal generated by the microcomputer and representing the field intensity at a previous time can be taken. An output signal from the comparator can be taken to the microcomputer.
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公开(公告)号：EP0691048A1
公开(公告)日：1996-01-10
申请号：EP94908978.0
申请日：1994-03-17
申请人： Blaupunkt-Werke GmbH
发明人： HERRMANN, Matthias
CPC分类号： H03H17/0294 , H03H2017/0295
摘要： In a digital filter which can be switched between a first and a second characteristic, where signals to be filtered can be transmitted from an input (1) via an adder (3) to an output (5) and the signals at the output can be returned to the adder via a delay component (6), there are a first multiplier (2) between the input and the first added input and a second multiplier (7) between the delay component and a second adder input. A first (K1.1; K2.1) and a second (K1.2; K2.2) switchable coefficient may be taken to the first and second multipliers respectively, where, in the case of the second characteristic, the second coefficient is zero and the first coefficient is equal to the quotient of the first, and the difference between 1 and the second coefficient in the case of the first characteristic.
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4.发明公开SCHALTUNGSANORDNUNG ZUR ABLEITUNG EINES VON DER ÄNDERUNGSRICHTUNG DER EMPFANGSFELDSTÄRKE ABHÄNGIGEN SIGNALS 失效电路是否放电方向受理FELDSTÄRKE依赖信号的变化的。
公开(公告)号：EP0642716A1
公开(公告)日：1995-03-15
申请号：EP94911827.0
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
CPC分类号： H04B1/1661 , H04B1/1027
摘要： In a circuit for deriving a signal dependent on the direction of change of the reception field intensity in a radio receiver controllable by a microcomputer, outside the microcomputer there is a comparator to which the signal representing the current field intensity and a signal generated by the microcomputer and representing the field intensity at a previous time can be taken. An output signal from the comparator can be taken to the microcomputer.
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公开(公告)号：EP0642714B1
公开(公告)日：2001-10-04
申请号：EP94911064.7
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
CPC分类号： H04B1/1661 , H04B1/1027
摘要： In a radio receiver with digital signal processing, a first and a second auxiliary signal are derived from a received stereo multiplex signal. The first auxiliary signal depends on the presence of signal components, the frequency of which is above the useful frequency range of the stereo multiplex signal, and the second auxiliary signal depends on the symmetry of the side bands of the stereo auxiliary carrier. The first and second auxiliary signals are combined to form an interference signal indicating the existence of interference. At least one control signal for application to the audio signals obtained by decoding the stereo multiplex signal is derived from the interference signal.
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6.发明授权SCHALTUNGSANORDNUNG ZUR ABLEITUNG EINES STÖRUNGEN IN EINEM EMPFANGENEN STEREO-MULTIPLEXSIGNAL ANZEIGENDEN SIGNALS 失效CIRCUIT FOR放电干扰而在接收到的立体声多路复用信号指示信号
公开(公告)号：EP0642712B1
公开(公告)日：2000-05-31
申请号：EP94910354.3
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
IPC分类号： H04B1/16
CPC分类号： H04B1/1661 , H04B1/1027
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公开(公告)号：EP0691050B1
公开(公告)日：1996-12-18
申请号：EP94911062.1
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
IPC分类号： H04B1/16
摘要： In a circuit for deriving audio signal masking signals in a radio receiver, a signal which is substantially proportional to the intensity of the reception field is transmitted through a low pass filter then weighted with a predetermined function.
摘要翻译： 在用于导出无线电接收机中的音频信号掩蔽信号的电路中，基本上与接收场强度成比例的信号通过低通滤波器传输，然后用预定函数加权。
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8.发明公开SCHALTUNGSANORDNUNG ZUR ABLEITUNG VON SIGNALEN ZUR MASKIERUNG VON AUDIOSIGNALEN 失效电路是否信号对音频信号的MASK放电
公开(公告)号：EP0691050A1
公开(公告)日：1996-01-10
申请号：EP94911062.0
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
摘要： In a circuit for deriving audio signal masking signals in a radio receiver, a signal which is substantially proportional to the intensity of the reception field is transmitted through a low pass filter then weighted with a predetermined function.
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公开(公告)号：EP0642714A1
公开(公告)日：1995-03-15
申请号：EP94911064.0
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
CPC分类号： H04B1/1661 , H04B1/1027
摘要： In a radio receiver with digital signal processing, a first and a second auxiliary signal are derived from a received stereo multiplex signal. The first auxiliary signal depends on the presence of signal components, the frequency of which is above the useful frequency range of the stereo multiplex signal, and the second auxiliary signal depends on the symmetry of the side bands of the stereo auxiliary carrier. The first and second auxiliary signals are combined to form an interference signal indicating the existence of interference. At least one control signal for application to the audio signals obtained by decoding the stereo multiplex signal is derived from the interference signal.
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公开(公告)号：EP0642715B1
公开(公告)日：2001-10-04
申请号：EP94911066.2
申请日：1994-03-22
申请人： Blaupunkt-Werke GmbH
CPC分类号： H04B1/1661 , H04B1/1027
摘要： In a radio receiver with digital signal processing, a received stereo multiplex signal and digitalized useful signals derived therefrom are processed at a first scanning rate. Auxiliary signals at least partially derived from the stereo multiplex signal are processed at a second scanning rate lower than the first scanning rate. The scanning rate of the processed auxiliary signals is increased up to the first scanning speed, and the processed auxiliary signals act as control signals at the first scanning rate on the stereo multiplex signal and useful signals.
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