Featured patents

Methods and Apparatus for Terahertz Wave Amplitude Modulation
US 08836446 B2, Sept. 16, 2014, Including electron discharge device, Michelle M. Kelly et al. / University of Notre Dame du Lac (Notre Dame, US)
A wave amplitude modulator for modulating a transmitted electromagnetic wave,…

Hybrid Modulation Method for Parametric Audio System
US 08866559 B2, Oct. 21, 2014, Including amplitude modulator, Frank Joseph Pompei
A method of modulating a carrier signal in a parametric audio system, comprising…

Polar Modulator
US 08860524 B2, Oct. 14, 2014, Amplitude Modulator, Shigeru Morimoto et al. / Panasonic Corporation (Osaka, JP)
A polar modulator comprising:…

Polar Modulation Transmission Circuit and Polar Modulation Transmission Method
US 08742865 B2, June 3, 2014, Including amplitude modulator, Maki Nakamura / Paansonic Corporation (Osaka, JP)
A polar modulation transmission circuit comprising:…

Wideband Phase Modulator
US 08723613 B2, May 13, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Bo Sun / QUALCOMM Incorporated (San Diego, US)
An apparatus for phase modulation, comprising:…

Pulse Width Modulator
US 08633779 B2, Jan. 21, 2014, Pulse width modulator, Gerhard Pfaffinger / Harman Becker Automotive Systems GmbH (Karlsbad, DE)
A pulse width modulator for modulating a rectangular carrier signal…

Device and Method for Testing a Frequency-Modulated Clock Generator
US 08564379 B2, Oct. 22, 2013, Pulse width modulator, Hans-Georg Drotleff / Robert Bosch GmbH (Stuttgart, DE)
A device for testing a frequency-modulated clock generator, comprising:…

Pulse Width Modulation Driving IC and Pulse Width Modulation Output Signal Generating Method
US 08519802 B2, Aug. 27, 2013, Pulse width modulator, Kun-Min Chen et al. / Anpec Electronics Corporation (Hsinchu Science Park, Hsin-Chu, TW)
A pulse width modulation (PWM) driving IC, comprising:…

Variable Inductor, and Oscillator and Communication System Using the Same
US 08502614 B2, Aug. 6, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Takahiro Nakamura et al. / Renesas Electronics Corporation (Kanagawa, JP)
A communication system comprising:…

Method and Arrangement for Generating a Frequency-Modulated Signal
US 08476985 B2, July 2, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Petr Lorenz et al. / Rohde & Schwarz GmbH & Co. KG (Munich, DE)
A method, comprising:…

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