Patents for H03H 15 - Transversal filters (1,369)
01/2015
01/20/2015US8937506 Rotating coefficient filter
01/06/2015US8929429 Adaptive pade filter and transceiver
12/2014
12/04/2014US20140354376 High order discrete time charge rotating passive infinite impulse response filter
09/2014
09/30/2014US8849886 Passive discrete time analog filter
09/18/2014WO2014140947A1 Feed-forward linearization without phase shifters
09/16/2014US8836417 Charge-domain filter and method thereof and clock generator
08/2014
08/12/2014US8804225 Signal shaping circuit and light transmitting device
06/2014
06/12/2014WO2014089155A1 High-pass coupling circuit
04/2014
04/16/2014EP2719075A2 Charge sharing time domain filter
04/03/2014US20140091848 Direct sampling circuit and receiver
04/01/2014US8688067 Sampling circuit and receiver using same
03/2014
03/19/2014CN103650339A Charge sharing time domain filter
03/12/2014CN103636125A Discrete-time filter
01/2014
01/29/2014EP2689348A1 Finite impulse response filter for producing outputs having different phases
12/2013
12/27/2013WO2013189546A1 Discrete-time filter
08/2013
08/15/2013US20130207827 Charge sharing analog computation circuitry and applications
07/2013
07/31/2013CN101609695B Optical information recording method, optical information reproduction method and optical disk device
03/2013
03/14/2013WO2013012574A4 Passive discrete time analog filter
02/2013
02/07/2013WO2012170533A3 Charge sharing time domain filter
01/2013
01/24/2013WO2013012574A1 Passive discrete time analog filter
01/01/2013US8346835 Filter structure and method for filtering an input signal
11/2012
11/08/2012US20120280745 Multi-layer switching in charge-domain or sampling if filters
09/2012
09/19/2012CN102684700A 数字扬声器系统 Digital Speaker System
07/2012
07/17/2012US8223756 Network device and computer product
05/2012
05/30/2012CN101356731B Charge sampling filter circuit and charge sampling method
05/23/2012EP2266203B1 Integrated circuit and corresponding method of processing a multitype radio frequency digital signal
04/2012
04/24/2012US8165465 Apparatus and method of controlling tap coefficient of transversal filer, optical receiver apparatus, and optical communication system
04/19/2012DE10235062B4 Filterverfahren und A/D-Wandlergerät mit einer Filterfunktion Filtering process and A / D converter device having a filter function
02/2012
02/14/2012US8117249 Equalizer systems and methods utilizing analog delay elements
02/08/2012CN101490956B 采样滤波器装置以及无线通信装置 Sampling filter apparatus and a wireless communication device
01/2012
01/04/2012CN102308476A Passive switched-capacitor filters conforming to power constraint
10/2011
10/06/2011WO2011008472A3 Receiver filtering devices, systems, and methods
09/2011
09/22/2011WO2011020070A3 Discrete time lowpass filter
08/2011
08/24/2011CN101454975B Discrete filter, sampling mixer, and radio device
07/2011
07/28/2011WO2011090490A1 Passive switched-capacitor filters conforming to power constraint
06/2011
06/28/2011US7970811 Continuous-time multi-gigahertz filter using transmission line delay elements
06/22/2011CN1518220B Band-pass filter of changable and tunable with optimum frequency response
06/22/2011CN102106084A Discrete time multi-rate analog filter
06/09/2011DE102009056489A1 Analog transverse filter comprises matrix, inverter and multi-phase clock generator, where input of device, is connected with input of matrix, where input of device, is also connected with input of inverter
04/2011
04/20/2011EP2066028B1 Charge sampling filter circuit and charge sampling method
04/06/2011EP2304873A1 Discrete time multi-rate analog filter
03/2011
03/23/2011CN101454976B Discrete filter, sampling mixer, and radio device
02/2011
02/17/2011WO2011020070A2 Discrete time lowpass filter
01/2011
01/20/2011WO2011008472A2 Receiver filtering devices, systems, and methods
12/2010
12/29/2010EP2266203A1 Integrated circuitand corresponding method of processing a multitype radio frequency digital signal
12/15/2010CN1647425B Equalizer/forward error correction automatic mode selector
11/2010
11/25/2010WO2010104892A3 Passive switched-capacitor filters
11/24/2010EP1356313B1 High speed filter
09/2010
09/16/2010WO2010104892A2 Passive switched-capacitor filters
06/2010
06/02/2010DE19535839B4 Automatischer Amplitudenentzerrer An automatic amplitude
04/2010
04/07/2010CN1560852B 波形均衡器 Waveform equalizer
12/2009
12/31/2009US20090322418 Discrete time multi-rate analog filter
12/30/2009WO2009158537A1 Discrete time multi-rate analog filter
12/23/2009CN101609695A Optical information recording method, optical information reproduction method and optical disk device
11/2009
11/19/2009WO2009138635A1 Integrated circuitand corresponding method of processing a multitype radio frequency digital signal
11/18/2009EP2119005A1 Apparatus comprising frequency selective circuit and method
10/2009
10/21/2009CN100553166C Channel estimation method based on particle filtering
09/2009
09/10/2009US20090226165 Apparatus and method of controlling tap coefficient of transversal filer, optical receiver apparatus, and optical communication system
09/02/2009EP2095505A1 Analogue implementation of a sampled filter with finite impulse response using a controllable-gain transconductance amplifier
07/2009
07/22/2009EP2081294A1 Programmable filter circuits and methods
07/22/2009CN101490956A Sampling filter device and radio communication device
06/2009
06/18/2009WO2009075105A1 Sampling mixer, quadrature demodulator, and wireless device
06/10/2009EP2068446A2 Charge domain filter circuit
06/10/2009CN101454976A Discrete filter, sampling mixer, and radio device
06/10/2009CN101454975A Discrete filter, sampling mixer, and radio device
06/03/2009EP2066030A1 Charge domain filter circuit
06/03/2009EP2066029A2 Switched capacitor circuit, switched capacitor filter, and sigma-delta A/D converter
06/03/2009EP2066028A1 Charge sampling filter circuit and charge sampling method
04/2009
04/29/2009EP1495564A4 Equalizer/forward error correction automatic mode selector
03/2009
03/04/2009EP2031756A1 Discrete filter, sampling mixer, and radio device
01/2009
01/28/2009CN101356731A Charge sampling filter circuit and charge sampling method
10/2008
10/30/2008WO2008129791A1 Sampling mixer, filter device, and radio device
08/2008
08/26/2008US7418033 Selectively filtering a signal
07/2008
07/31/2008WO2008090054A1 Analogue implementation of a sampled filter with finite impulse response using a controllable-gain transconductance amplifier
07/29/2008US7406121 Adaptive clock-less equalizer circuit
05/2008
05/02/2008WO2008050630A1 Sampling filter device and radio communication device
04/2008
04/08/2008US7356069 Spread spectrum demodulation using a subsampling communication receiver architecture
04/01/2008US7352826 Analog delay circuit
03/2008
03/25/2008US7349932 High performance FIR filter
03/20/2008WO2008032635A1 Charge sampling filter circuit and charge sampling method
03/13/2008WO2008029643A1 Equalization filter circuit
03/04/2008US7339990 Processing a received signal at a detection circuit
01/2008
01/31/2008WO2008011977A1 Filter structure and method for filtering an input signal
01/22/2008US7321621 Differential receiver circuit with electronic dispersion compensation for optical communications systems
01/01/2008US7315876 System and method for providing delay line and/or finite impulse response filters using a lossless and dispersion-free transmission line
12/2007
12/27/2007WO2007148693A1 Discrete filter, sampling mixer, and radio device
12/13/2007WO2007142341A1 Discrete filter, sampling mixer, and radio device
11/2007
11/27/2007US7302461 Analog delay elements
10/2007
10/23/2007CA2287261C Apparatus and method for a low power digital filter bank
10/18/2007WO2007116974A1 Filter device
09/2007
09/18/2007US7271659 High speed amplifier incorporating pre-emphasis
09/11/2007US7269214 Waveform equalizer
09/11/2007US7269213 Waveform equalizer having a tap coefficient monitoring unit
08/2007
08/14/2007US7256720 Output filter for delta sigma modulator and digital signal processor provided with the same
07/2007
07/24/2007US7248628 Method and apparatus for a programmable filter
07/04/2007EP1803130A1 Sample and hold circuits
03/2007
03/29/2007WO2005033902A3 Analog adaptive fir filter having independent coefficient sets for each filter tap
03/13/2007US7190742 Differential receiver circuit with electronic dispersion compensation
03/06/2007US7188135 Analog adaptive FIR filter having independent coefficient sets for each filter tap
02/2007
02/27/2007US7184478 High speed circuits for electronic dispersion compensation
1 2 3 4 5 6 7 8 9 10 11 ... 14