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1.发明授权
公开(公告)号：EP0804745B2
公开(公告)日：2007-11-14
申请号：EP95937837.3
申请日：1995-10-24
发明人： WEBER, Norbert , LÜFTNER, Harald , SEITZER, Dieter
CPC分类号： G01C22/00 , G01S13/583 , G01S13/60 , G01S15/586 , G01S15/60
摘要： In a process and with a device for non-contact measurement of speed on surfaces, in particular for ski speed measurement on snow surfaces, a signal (102) with a fixed frequency is beamed in the direction of travel (106) at a beam angle ( alpha ) which is less than a half aperture angle ( THETA /2) of the device (100) emitting the signal (102); a signal (110) reflected at the surface (104) and Doppler-shifted relative to the beamed signal (102) is received; from the Doppler spectrum of the received signal (110) that portion with the highest frequency and an energy value above a predetermined level is determined, and the speed is derived from the frequency of the determined portion of the spectrum.
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公开(公告)号：EP1060371B1
公开(公告)日：2002-04-03
申请号：EP98966664.9
申请日：1998-12-22
发明人： DORSCH, Bernd , HOHE, Hans-Peter , SEITZER, Dieter
摘要： The invention relates to a force/torque sensor comprising a semiconductor region (10) subjected to a force or torque. Two control electrodes (12, 14) are positioned on a first and a second side of the semiconductor region (10) at a distance to and opposite each other and a current (20) can be generated by the semiconductor region (10) between said control electrodes (12, 14). Two sensor electrodes (16, 18) are positioned on a third and fourth side of the semiconductor region (10), also at a distance to and opposite each other. A force or torque applied to the semiconductor region (10) can be determined when a current flows between the control electrodes (12, 14) by detecting a voltage present between the sensor electrodes (16, 18).
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3.发明授权VERFAHREN UND EMPFÄNGER ZUR ERMITTLUNG DER EMPFANGBARKEIT VON FUNKSIGNALEN IN EINEM FUNKSYSTEM 失效方法和接收机用于确定无线电信号的受理无线电系统
公开(公告)号：EP0740865B1
公开(公告)日：2000-10-18
申请号：EP95906244.9
申请日：1995-01-16
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , Institut für Rundfunktechnik GmbH
IPC分类号： H04H1/00
CPC分类号： H04H60/50 , H03J1/0058 , H04H20/16 , H04H20/22 , H04H20/28 , H04H20/67 , H04H60/51 , H04H60/64 , H04H60/65
摘要： The invention describes a process for finding the receivability of radio signals in a radio system and a receiver for performing the steps required on the reception side. The invention is particularly significant for a radio system, especially a synchronised broadcasting system, as in the reception of radio transmitters in mobile recievers, e.g. in a motor vehicle, the user wants to be able to receive the desired programme at the actual point of reception quickly and reliably. With prior art systems, like the radio data signal, this is possible only to a very limited degree, for instance with traffic news. The invention makes it possible, however, to discover which programmes and/or parts thereof can be received at any point, at least for small partial areas of a zone equipped with radio transmitters, and display them for user's individual selection. This gives the user the advantage of being able to see the receivable programmes and to receive the selected programme rapidly. The invention eliminates time-consuming seeking of a desired programme.
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公开(公告)号：EP0846375A1
公开(公告)日：1998-06-10
申请号：EP96930044.0
申请日：1996-08-16
CPC分类号： H04B1/665
摘要： When an audio signal is coded, coded signals of inferior quality and bit-rate as well as coded signals of high quality and bit-rate are transmitted to a decoder. The low-bit-rate audio signal is coded and transmitted to the decoder first, before a further coded signal is transmitted to the decoder and either alone or together with the first coded signal produces a high-quality decoded signal within the decoder during decoding. This results first in a low-quality decoded signal in the decoder before decoding of the high-quality signal becomes possible.
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公开(公告)号：EP0490903A1
公开(公告)日：1992-06-24
申请号：EP90911754.0
申请日：1990-08-07
发明人： WALLRAPP, Ludwig , SEITZER, Dieter
CPC分类号： H01P1/2039 , H03H7/0123
摘要： Un filtre comprend au moins un élément capacitif et un élément inductif réalisé selon une technique à microbandes. Afin de concevoir un filtre avec un programme simple de simulation de micro-ondes, l'élément capacitif prend la forme d'un condensateur sur puce (8, 9, 10, 11, 12) et l'élément inductif (4, 5, 6, 7) comprend au moins deux sections de microbandes en U (4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b) séparées par un écartement tel que l'accouplement entre ces sections de microbandes soit réduit par rapport à l'accouplement mutuel entre les branches d'une section de microbande.
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公开(公告)号：EP0938831B1
公开(公告)日：2001-12-19
申请号：EP97910410.6
申请日：1997-10-02
发明人： SEITZER, Dieter , SPORER, Thomas
摘要： In a method for assessing the quality of an audio test signal derived from an audio reference signal by coding and decoding, the audio test signal is compared with the audio reference signal, as it were, behind the cochlea of the human ear. All masking effects as well as the transmission function of the ear are equally applied to the audio reference signal and the audio test signal. To this end, the audio test signal is broken down according to its spectral composition by means of a first bank of filters consisting of filters overlapping in frequency and defining spectral regions, said filters having differing filtering functions each determined on the basis of the excitation curve of the human ear with respect to the respective filter center frequency. The audio reference signal is also broken down according to its spectral composition into partial audio reference signals by means of a second bank of filters coinciding with the first bank of filters. Subsequently, a level difference by spectral regions is formed between the partial audio test signals and the partial audio reference signals belonging to the same spectral regions. To assess the quality of the audio test signal, a detection probability is determined, by spectral regions, on the basis of the respective level difference so as to detect a coding error of the audio test signal in the spectral region concerned.
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8.发明授权VERFAHREN ZUR DATENREDUKTION BEI DER SPEICHERUNG UND/ODER ÜBERTRAGUNG DIGITALER AUDIOSIGNALE FÜR STUDIO-ANWENDUNGEN 失效程序对库存数据减少和/或传输数字音频信号演播室应用
公开(公告)号：EP0632940B1
公开(公告)日：2000-10-18
申请号：EP93905148.8
申请日：1993-02-25
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公开(公告)号：EP0750811A1
公开(公告)日：1997-01-02
申请号：EP95907637.0
申请日：1995-02-02
摘要： In a process for coding a plurality of audio signals, the left and right-hand basic channels and the central channel are formed into a jointly coded signal by joint stereo coding which is decoded to provide simulated decoded signals. The simulated decoded signals and two surround channels are formed by matrixing by means of a compatibility matrix into compatible signals which are suitable for decoding using existing decoders. To prevent audible interference on account of the high energy contents of the compatible signals which would occur if joint stereo coding and decoding were first performed before matrixing, the compatible signals or the simulated decoded signals dynamically weighted by means of a dynamic correction factor in such a way that the energy of the compatible signals approaches that of signals which would be obtained by the direct matrixing of the two basic channels and the central and surround channels.
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10.发明授权
公开(公告)号：EP0554290B1
公开(公告)日：1995-02-01
申请号：EP91918111.5
申请日：1991-10-25
发明人： HERRE, Jürgen , SEITZER, Dieter
摘要： Described is a method of detecting errors and perceptible interference in the transmission of frequency-coded digital signals, in particular audio signals transmitted as data blocks from a transmitter to a receiver. The invention is characterized in that a decision function is generated from the frequency coefficients of past or, optionally, future blocks, and the occurrence of an error is determined by means of this decision function, frequency coefficients with an error not being used in the evaluation of subsequent blocks.
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