Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 17 - Networks using digital techniques
Patents for H03H 17 - Networks using digital techniques (9,654)
09/2003
09/17/2003CN1442952A Operation program of filter and its digital filter circuit
09/16/2003US6621317 Clock controlling method and circuit
09/12/2003WO2003015269A3 Method and circuit arrangement for filtering signals
09/12/2003WO2002047258A3 Signal processing
09/11/2003US20030172098 Multi-rate digital filter for audio sample-rate conversion
09/11/2003US20030169778 Method and apparatus for reducing latency in a digial signal processing device
09/10/2003CN1441906A Wave form detector and state monitoring system using it
09/09/2003US6618739 Digital filter implementation suitable for execution, together with application code, on a same processor
09/09/2003US6618690 Generalized positioning system based on use of a statistical filter
09/09/2003US6618479 Echo canceler
09/04/2003WO2003073317A1 Digital frequency response compensator and arbitrary response generator system
09/04/2003US20030167164 Frequency thinning device and method for compressing information by thinning out frequency components of signal
09/03/2003CN1440121A Coefficient-setting device of digital electric filter and method thereof
09/03/2003CN1120412C Audio-frequency data processing device
09/02/2003US6614842 FIR filter architecture for 100Base-TX receiver
08/2003
08/28/2003WO2003071683A2 Ordering by hamming value
08/28/2003US20030163501 Implementation to avoid overflow in IIR filter
08/28/2003US20030161420 Digital frequency response compensator and arbitrary response generator system
08/27/2003EP1118196B1 Digital receiver for a signal generated with discrete multi-tone modulation
08/27/2003EP0979554B1 Apparatus and method for a low power digital filter bank
08/27/2003CN1119919C Signal quality determining device and method
08/27/2003CN1119861C Sampling frequency converting apparatus
08/27/2003CN1119860C Filter device
08/27/2003CN1119798C Digital voice signal processor and its gain correction method
08/26/2003US6611602 Adaptive removal of resonance-induced noise
08/26/2003US6611220 Architecture for decimation algorithm
08/26/2003US6611215 System and related methods for processing audio content in a filter graph
08/21/2003WO2003069499A1 Filter set for frequency analysis
08/21/2003US20030158878 Digital filter coefficient setting apparatus for and digital filter coefficient setting method
08/21/2003US20030158877 Methods and systems for efficient filtering of digital signals
08/20/2003EP1337040A1 Efficient multichannel filtering for CDMA modems
08/19/2003US6609080 Multiple-model navigation filter with hybrid positioning
08/19/2003US6608572 Analog to digital converters with integral sample rate conversion and systems and methods using the same
08/19/2003US6608472 Band-gap reference circuit for providing an accurate reference voltage compensated for process state, process variations and temperature
08/14/2003US20030154224 Efficient real-time computation of FIR filter coefficients
08/13/2003EP1074089B1 Cascading of up conversion and down conversion
08/12/2003US6606641 System for varying the dynamic range of coefficients in a digital filter
08/12/2003US6606391 Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signals in hearing aids
08/07/2003WO2003065579A1 Digital filter
08/07/2003US20030149711 Filter bank approach to adaptive filtering method using independent component analysis
08/06/2003EP1332552A2 Digital filter with state storage
08/06/2003EP1125284B1 High frequency content recovering method and device for over-sampled synthesized wideband signal
08/06/2003EP1125276B1 A method and device for adaptive bandwidth pitch search in coding wideband signals
08/06/2003CN1117431C Efficient multichannel filtering for CDMA modems
08/05/2003US6603888 Interpolating apparatus and method
08/05/2003US6603812 Hardware implementation of a decimating finite impulse response filter
08/05/2003US6603804 Upsampling filter having one-bit multipliers for multiple spread-data streams
08/05/2003US6603330 Configuring digital functions in a digital configurable macro architecture
07/2003
07/31/2003WO2003063351A2 Methods and systems for efficient filtering of digital signals
07/31/2003WO2003063350A2 Digital signal filtering method, a frequency synthesiser and the corresponding computer programs
07/31/2003WO2003063346A2 A method for decreasing the dynamic range of a signal and electronic circuit
07/31/2003WO2003062964A2 An adaptive threshold algorithm for real-time wavelet de-noising applications
07/31/2003WO2003028327A3 Efficient methods for filtering to avoid inter-symbol interference and processing digital signals having large frequency guard bands
07/31/2003US20030145025 Method of designing families of boost and cut filters, including treble and bass controls and graphic equalizers
07/31/2003US20030142739 Digital filter for filtering time-division-multiplexed signal
07/31/2003CA2473873A1 Methods and systems for efficient filtering of digital signals
07/30/2003EP1330873A2 Filtering method and filter
07/30/2003EP1125285B1 Periodicity enhancement in decoding wideband signals
07/29/2003US6600788 Narrow-band filter including sigma-delta modulator implemented in a programmable logic device
07/29/2003US6600495 Image interpolation and decimation using a continuously variable delay filter and combined with a polyphase filter
07/29/2003CA2056328C Digital receiver with reduced memory requirement for viterbi equalization
07/24/2003US20030139856 Method for digitally filtering a signal burdened with noise and a control system for a vehicle
07/24/2003US20030139165 Adaptive threshold algorithm for real-time wavelet de-noising applications
07/24/2003US20030137912 Optical disc reproduction apparatus
07/23/2003EP1330029A2 Method for digital filtering of a noisy signal and control system for a vehicle
07/23/2003CN1115777C ROM-based finite impulse response filter for use in mobile telephone
07/23/2003CN1115663C Audio process arrangement with multiple sources
07/17/2003WO2003058814A1 Digital filter designing method and designing apparatus, digital filter designing program, and digital filter
07/17/2003US20030135528 Finite impulse response filter
07/17/2003US20030134058 Coextruding polypropylene and a maleic anhydride modified polypropylene, corona treating, and applying lithium polysilicate barrier; for films and bottles
07/17/2003US20030133505 Compression method and device, decompression method and device, compression/ decompression system, recording medium
07/16/2003EP1327303A1 Digital low pass filter
07/16/2003EP0784816B1 A fast and efficient median search method
07/16/2003CN1430333A One-bit digital signal processing device
07/16/2003CN1430332A Over-sampling digital analogue converter with variable sampling frequency
07/16/2003CN1430223A Digital signal recording device and playback device
07/16/2003CN1115079C Signal quality determining device and method
07/16/2003CN1115027C Adaptive equalizer
07/16/2003CN1115014C Channel characteristics inference device
07/15/2003US6593866 Signal processors
07/10/2003US20030130751 New filter bank for graphics equalizer implementation
07/10/2003US20030128059 Clock controlling method and circuit
07/10/2003US20030128049 Programmable logic device including multipliers and configurations thereof to reduce resource utilization
07/09/2003CN1114287C Digital filter using predetermining filter coefficient and method
07/08/2003US6591282 Apparatus and method for a DC-Insensitive FIR filter for optical PRML channel
07/08/2003US6590975 Echo canceller
07/08/2003US6590947 Correlation detecting method and matched filter unit
07/08/2003US6590931 Reconfigurable FIR filter using CSD coefficient representation
07/03/2003WO2003055195A2 System and method for rate enhanced shdsl
07/03/2003WO2003054726A1 Parallel decimation circuits
07/03/2003US20030126169 Progressive two-dimensional (2D) pyramid filter
07/03/2003US20030123584 Trace video filtering using wavelet de-noising techniques
07/03/2003US20030122596 Clock controlling method and circuit
07/02/2003CN1113469C Signal processing method and apparatus thereof
07/02/2003CN1113461C Transmission system using time dependent filter banks
07/02/2003CN1113333C Estimation method of excitation parameters and voice coding system thereof
07/01/2003US6587504 Adaptive equalizer and designing method thereof
07/01/2003US6587064 Signal processor with local signal behavior and predictive capability
06/2003
06/25/2003EP0976197B1 Dual-processing interference cancelling system and method
06/24/2003US6584481 FPGA implemented bit-serial multiplier and infinite impulse response filter
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