Featured patents

Phase and Amplitude Modulator
US 08860522 B2, Oct. 14, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Bengt-Erik Olsson / Telefonaktiebolaget L M Ericsson (Publ) (Stockholm, SE
A modulator for an electrical signal, comprising:…

Polar Signal Generator
US 08872596 B2, Oct. 28, 2014, Including amplitude modulator, Paulus T. M. Van Zeijl et al. / NXP, B.V. (Eindhoven, NL)
A polar signal generator for deriving phase and amplitude components…

Pulse Width Modulation Circuit and Voltage-Feedback Class-D Amplifier Circuit
US 08860523 B2, Oct. 14, 2014, Pulse width modulator, Naoya Odagiri / Renesas Electronics Corporation (Kawasaki-Shi, Kanagawa, JP)
An amplifier circuit 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:…

Method and Apparatus for Modifying a Characteristic of a Complex-Valued Signal
US 08717116 B2, May 6, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Andreas Menkhoff / Intel Mobile Communications GmbH (Neubiberg, DE)
A method for modifying a characteristic of a representation of a complex-valued…

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:…

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:…

Transmission Circuit, Communication Apparatus, and Transmission Method
US 08653902 B2, Feb. 18, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Ryo Kitamura / Panasonic Corporation (Osaka, JP)
A transmission circuit 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 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:…

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