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,…

Wideband Direct DCO Modulator With In-Band Compensation
US 08803627 B1, Aug. 12, 2014, Phase Modulator, Yang Xu et al. / Innophase Inc. (Chicago, US)
An apparatus 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…

Decomposer and Amplifier
US 08766738 B2, July 1, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Manel Collados et al. / NXP, B.V. (Eindhoven, NL)
A quadrature out-phasing system comprising:…

Polar Modulation Apparatus and Method With Common-Mode Control
US 08736395 B2, May 27, 2014, Including amplitude modulator, Mihai A. T Sanduleanu et al. / NXP, B.V. (Eindhoven, NL)
A wireless communication apparatus comprising:…

Trigger Activated Adjustable Pulse Width Generator Circuit for Automotive Exhaust After-Treatment and Injection
US 08723614 B2, May 13, 2014, Pulse width modulator, Perry Robert Czimmek et al. / Continental Automotive Systems, Inc. (Auburn Hills, US)
A method of adjusting a pulse width of a signal, the method comprising:…

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

Pulse Width Modulation Circuits, Systems and Methods
US 08525609 B1, Sept. 3, 2013, Pulse width modulator, Kannan Sadasivam et al. / Cypress Semiconductor Corporation (San Jose, US)
A pulse width modulation (PWM) system, comprising:…

Polar Feedback Architecture
US 08493158 B2, July 23, 2013, Phase Modulator, Sofoklis Plevridis / Broadcom Corporation (Irvine, US)
An apparatus, comprising:…

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