Featured patents

Power Amplifier, Wireless Communication Device, and Power Amplification Method
US 08797113 B2, Aug. 5, 2014, Plural modulation, Shingo Yamanouchi / NEC Corporation (Tokyo, JP)
A power amplifier comprising:…

Comparator-Less Pulse-Width Modulation
US 08872594 B2, Oct. 28, 2014, Including discrete semiconductor device having three or more electrodes, Christophe Curis et al. / STMicroelectronics SA (Montrouge, FR)
A pulse width modulation device, comprising:…

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…

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:…

Frequency Synthesis
US 08581672 B2, Nov. 12, 2013, Pulse amplitude modulator, Eira Seppala et al. / Nokia Corporation (Espoo, FI)
An apparatus comprising:…

Resilient Channel and Broadcast Modulation
US 08558631 B1, Oct. 15, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Francis Joseph O'Keeffe et al. / ARRIS Enterprises, Inc. (Suwanee, US)
An edge modulation system, comprising:…

Repetitive Single Cycle Pulse Width Modulation Generation
US 08558632 B2, Oct. 15, 2013, Pulse width modulator, Bryan Kris / Microchip Technology Incorporated (Chandler, US)
An apparatus for generating a repetitive single cycle PWM signal, comprising:…

Method and Device for Generating PWM Signals
US 08508310 B2, Aug. 13, 2013, Pulse width modulator, Claude Froidevaux / Etel S.A. (Motiers, CH)
A method for generating a PWM signal with the aid of a digital circuit…

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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