| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 06/02/2005 | US20050118970 Method of measuring and calibrating frequency down converter |
| 06/02/2005 | US20050117489 Data reproduction device |
| 06/02/2005 | DE19737639B4 Digitales Filter der Rekursiv-Bauart Digital filter the recursive type |
| 06/01/2005 | EP1536667A2 Digital signal processing apparatus, method thereof and headphone apparatus |
| 06/01/2005 | EP1535028A1 Methods and apparatus for generating a sinusoidal motor drive signal for a mems gyroscope |
| 06/01/2005 | CN1622592A Method of converting resolution of video signals and apparatus using the same |
| 05/31/2005 | US6901141 Echo canceller |
| 05/31/2005 | US6900680 Clock controlling method and circuit |
| 05/26/2005 | WO2004094965A3 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same |
| 05/26/2005 | US20050114427 Transmission apparatus with variable impedance matching |
| 05/26/2005 | US20050111748 Method for designing nearly circularly symmetric descreening filters that can be efficiently implemented in VLIW (very long instruction word) media processors |
| 05/26/2005 | US20050111562 Tone quality adjustment device designing method and designing device, tone quality adjustment device designing program, and tone quality adjustment device |
| 05/26/2005 | US20050110667 Method and apparatus for converting PCM to PWM |
| 05/25/2005 | EP1533899A1 Method of converting resolution of video signals and apparatus using the same |
| 05/25/2005 | EP1533898A1 Digital filter designing method, digital filter designing program, digital filter |
| 05/25/2005 | EP1532735A2 Sample rate converter with rational numerator or denominator |
| 05/25/2005 | CN1620756A Filter apparatus, reception apparatus, transmission apparatus, diffusion modulation apparatus, pseudo-random number sequence output apparatus, filter method, reception method, transmission method, dif |
| 05/25/2005 | CN1620142A Reversible wavelet transform and embedded codestream manipulation |
| 05/25/2005 | CN1620108A Bidimonsional digit filter |
| 05/25/2005 | CN1619644A Transmission apparatus with variable impedance matching |
| 05/24/2005 | US6898281 System and method for filtering echo/NEXT signal interferrence |
| 05/24/2005 | US6898255 Filter coefficient generator |
| 05/19/2005 | WO2005045829A1 Filter coefficient adjusting circuit |
| 05/19/2005 | WO2005031738A8 Itr data reproduction device, recording/reproduction system, and interpolation filter |
| 05/19/2005 | US20050108581 System and method for self-configuring and self-optimizing filters |
| 05/19/2005 | US20050108311 Method and filter arrangement for digital recursive filtering in the time domain |
| 05/19/2005 | US20050108007 Perceptual weighting device and method for efficient coding of wideband signals |
| 05/19/2005 | US20050108005 Method and device for adaptive bandwidth pitch search in coding wideband signals |
| 05/19/2005 | US20050108002 Signal analyzing method, signal synthesizing method of complex exponential modulation filter bank, program thereof and recording medium thereof |
| 05/19/2005 | US20050104536 Device and method for operating a discharge lamp |
| 05/18/2005 | EP1531546A2 Method and filter arrangement for digital recursive filtering in the time domain |
| 05/18/2005 | CN1618063A Parallel decimation circuits |
| 05/17/2005 | US6894966 Interpolation circuit |
| 05/12/2005 | WO2003049395A8 Multirate digital transceiver |
| 05/12/2005 | US20050102339 Method of setting a transfer function of an adaptive filter |
| 05/12/2005 | US20050102338 Signal processing |
| 05/12/2005 | US20050099907 Training method for recording medium reproduction equalizer and recording medium reproduction apparatus |
| 05/11/2005 | CN1615580A A method for decreasing the dynamic range of a signal and electronic circuit |
| 05/11/2005 | CN1201502C Echo compensation device |
| 05/11/2005 | CN1201491C Over-sampling digital analogue converter with variable sampling frequency |
| 05/10/2005 | US6892214 Digital filter and method for producing an output by multiplying an input data unit only once by a coefficient |
| 05/06/2005 | WO2005041407A1 Digital filtering |
| 05/05/2005 | US20050094754 Data regeneration apparatus |
| 05/05/2005 | US20050094751 Variable gain integrator |
| 05/05/2005 | US20050094604 Initial power control for spread-spectrum communications |
| 05/04/2005 | EP1528560A1 Adaptive equalizer decoding device and error detecting device |
| 05/04/2005 | EP1528408A1 Radar system with decomposition of the wideband transmitted signal |
| 05/04/2005 | EP1528407A1 Decomposition of a wideband random signal |
| 05/04/2005 | EP1527517A2 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 05/04/2005 | EP1527516A2 Data processing circuit |
| 05/04/2005 | CN1612477A Adaptive equalizer, decoding device and error detecting device |
| 05/04/2005 | CN1612476A Interpolator, interpolating method and signal processing circuit |
| 05/04/2005 | CN1612475A 可变增益积分器 Variable gain integrator |
| 05/04/2005 | CN1612254A Data regenerating device |
| 05/04/2005 | CN1612212A Data regeneration apparatus |
| 05/04/2005 | CN1611963A Signal analysis |
| 05/03/2005 | US6889239 Digital filter and data processing method thereof |
| 05/03/2005 | US6888904 108-tap 1:4 interpolation FIR filter for digital mobile telecommunication |
| 05/03/2005 | US6888387 Clock controlling method and circuit |
| 04/28/2005 | WO2005039048A1 Time base adjustment in a data processing device |
| 04/28/2005 | WO2004088642A3 Frequency shaping stream signal processor |
| 04/28/2005 | US20050091296 Method and device for filtering a signal |
| 04/27/2005 | EP1526649A2 Matched filter circuit and correlation calculation method |
| 04/27/2005 | EP1526641A1 A method for determining a filter, a filter, and a telecommunication device |
| 04/27/2005 | CN1610342A Method and equipment for interpolating or garbling signals |
| 04/27/2005 | CN1609948A Method and apparatus for signal discrimination |
| 04/27/2005 | CN1199179C Audio coding for attenuating spectral adjacent channel interference at frame boundaries |
| 04/26/2005 | US6885980 Signal-processing method, signal-processing program, recording medium, storing the signal-processing program and signal processor |
| 04/21/2005 | US20050085237 System and method to perform adaptive channel filtering on a radio frequency burst in a cellular wireless network |
| 04/21/2005 | DE10033575B4 Verfahren und Vorrichtung zur Abschätzung der Frequenz eines digitalen Signals Method and apparatus for estimating the frequency of a digital signal |
| 04/20/2005 | EP1524773A2 System and method to perform adaptive channel filtering on a radio frequency burst in a cellular wireless network |
| 04/20/2005 | EP1216014B1 Cochlear implant |
| 04/20/2005 | EP1142134A4 Method and apparatus for implementing wavelet filters in a digital system |
| 04/20/2005 | CN1607728A Method and apparatus for transformation from impulse code modulation to impulse-width modulation |
| 04/20/2005 | CN1198413C Improved infrared ray and ultrasonic wave receiver |
| 04/19/2005 | US6883013 Control of low frequency noise floor in upsampling |
| 04/19/2005 | US6882693 Digital signal receiver |
| 04/14/2005 | US20050078020 Re-sampling with an arbitrary scaling ratio |
| 04/13/2005 | CN1197243C Digital filter design method and apparatus for noise suppression by spectral substraction |
| 04/13/2005 | CN1197242C Digit filter design |
| 04/07/2005 | WO2005031738A1 Itr data reproduction device, recording/reproduction system, and interpolation filter |
| 04/07/2005 | US20050076073 Biquad digital filter operating at maximum efficiency |
| 04/07/2005 | US20050076071 Ordering by hamming value |
| 04/07/2005 | US20050074058 Methods and apparatus for snapshot-based equalization of a communications channel |
| 04/06/2005 | EP1520343A1 Frequency content separation using complex frequency shifting converters |
| 04/06/2005 | EP1520288A2 Multirate processing for metrology of plasma rf source |
| 04/06/2005 | EP0920757B1 Signal transformation method and apparatus |
| 04/06/2005 | CN1196261C Filter and method for getting filter coefficient |
| 04/05/2005 | US6876698 Tunable narrow-band filter including sigma-delta modulator |
| 04/05/2005 | US6876319 Integrated modulator and demodulator configuration |
| 03/31/2005 | US20050069064 Digital equalization process and mechanism |
| 03/30/2005 | EP0920743B1 Symbol-matched filter having a low silicon and power requirement |
| 03/30/2005 | CN1602006A Methods and apparatus for snapshot-based equalization of a communications channel |
| 03/30/2005 | CN1195352C Sample data digital filter system, and method for filtering such sample data |
| 03/24/2005 | WO2005015752A3 Noise shaped interpolator and decimator apparatus and method |
| 03/23/2005 | EP1516203A2 Method for the suppression of disturbances in systems for detecting objects |
| 03/23/2005 | EP1439779B1 Cardiac event detector |
| 03/23/2005 | EP1348253B1 GENERATING TWO SIGNALS HAVING A MUTUAL PHASE DIFFERENCE OF 90o |
| 03/22/2005 | US6871207 Techniques for spreading zeros in a digital filter with minimal use of registers |
| 03/22/2005 | US6870879 Interpolation filter circuit |