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:…

Binary Bi-Phase Shift Modulator
US 08872595 B2, Oct. 28, 2014, Phase Modulator, Sarah Bedair et al. / The United States of America as represented by the Secretary of the Army (Washington, US)
A binary bi-phase shift modulator comprising:…

Method and Digital Circuit for Generating a Waveform From Stored Digital Values
US 08742864 B2, June 3, 2014, Phase or frequency locked loop, Xiaohua Kong et al. / QUALCOMM Incorporated (San Diego, US)
A method comprising:…

Pulse Modulated RF Power Control Method and Pulse Modulated RF Power Supply Device
US 08704607 B2, April 22, 2014, Amplitude Modulator, Yoshihisa Hata et al. / Kyosan Electric Mfg. Co., Ltd. (Yokohama-shi, JP)
A pulse modulated RF power control method for controlling RF power to be supplied…

PWM Control Circuit and Motor Equipped With the Same
US 08633780 B2, Jan. 21, 2014, Pulse width modulator, Kesatoshi Takeuchi / Seiko Epson Corporation JP
A pulse width modulation control circuit, 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:…

Wideband Phase Modulation Methods and Apparatus
US 08508309 B2, Aug. 13, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Earl W. McCune, Jr.
A wideband phase modulator, 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…

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