Modulators inventions

Recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing format for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 11/12/2009 > patent applications in patent subcategories.

20090278621 - Pulse width modulation dead time compensation method and apparatus: Dead time compensated complementary pulse width modulation (PWM) signals are derived from a PWM generator by first applying time period compensation to the PWM generator signal based upon the direction of current flow in an inductive load being controlled by the PWM generator. Dead time is then applied to the... Agent: King & Spalding LLP

11/05/2009 > patent applications in patent subcategories.
10/29/2009 > patent applications in patent subcategories.

20090267701 - Quadrature modulator and calibration method: A quadrature modulator and a method of calibrating same by applying a first test tone signal to an in-phase modulation branch input of the modulator and a ninety degree phase-shifted version of the first test tone signal to a quadrature modulation branch input of the modulator. The carrier leakage level... Agent: Seed Intellectual Property Law Group PLLC

10/22/2009 > patent applications in patent subcategories.

20090261918 - Dc offset cancellation circuit for modulator using 1-bit signal conversion: A DC offset cancellation circuit used for compensating a carrier leak at an output signal of a modulator has a sign extraction unit for extracting sign of an information signal which is applied to the modulator, an envelope detecting unit for performing envelope detection on the output signal of the... Agent: Sughrue Mion, PLLC

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