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Class Information
Number: 375/238
Name: Pulse or digital communications > Pulse width modulation
Description: Subject matter in which the width of a transmitted pulse conveys the transmitted information.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8710767 Control device with adjusting pulse width modulation function and the backlight module thereof Apr. 29, 2014
8693578 Transmission device Apr. 8, 2014
8681853 Pulse density modulation method and apparatus Mar. 25, 2014
8675781 Radio frequency receiver system for wideband signal processing Mar. 18, 2014
8675725 Integrated circuit, communication unit and method for improved amplitude resolution of an RF-DAC Mar. 18, 2014
8660172 Pulse signal receiving apparatus and transmission system Feb. 25, 2014
8659181 Power line communication method for transmitting data signal with splitting of power transmission interval Feb. 25, 2014
8654832 Apparatus and method for coding and modulation Feb. 18, 2014
8655301 Frequency agile duplex filter Feb. 18, 2014
8644360 System and method for transmitting and receiving ultra wide band pulse or pulse sequence Feb. 4, 2014
8638242 Digital power management using serial data transfer Jan. 28, 2014
8633779 Pulse width modulator Jan. 21, 2014
8634941 System and method for multi-channel control system Jan. 21, 2014
8630359 Radio transmission method, radio reception method, radio transmission apparatus and radio reception apparatus Jan. 14, 2014
8626063 Wireless telemetry auto tuning for torque measurement system Jan. 7, 2014
8625661 Pulse edge modulation Jan. 7, 2014
8619578 Communications switching architecture Dec. 31, 2013
8619849 Digital pulse width modulator Dec. 31, 2013
8614634 8b/9b encoding for reducing crosstalk on a high speed parallel bus Dec. 24, 2013
8605778 Adaptive radio controlled clock employing different modes of operation for different applications and scenarios Dec. 10, 2013
8599915 Phase-shifted pulse width modulation signal generation device and method therefor Dec. 3, 2013
8594174 Rotating pulse-width modulator Nov. 26, 2013
8589016 Motor vehicle monitoring apparatus and associated method for controlling the electric current of an actuator Nov. 19, 2013
8576003 Cascaded class D amplifier with improved linearity Nov. 5, 2013
8576904 Method and device for processing a pulse train of a modulated signal, in particular an ultra wideband signal modulated by a digital pulse interval modulation Nov. 5, 2013
8570102 Switching amplifier Oct. 29, 2013
8571096 Ultra-wideband communication system for very high data rates Oct. 29, 2013
8564379 Device and method for testing a frequency-modulated clock generator Oct. 22, 2013
8564365 Wide input bit-rate, power efficient PWM decoder Oct. 22, 2013
8558598 Phase shift generating circuit Oct. 15, 2013
8558497 Reduced electromagnetic interference for pulse-width modulation Oct. 15, 2013
8553821 Adaptive non-linear model for highly-spectrally-efficient communications Oct. 8, 2013
8553756 Data transmission system and method, and data sending apparatus and receiving apparatus Oct. 8, 2013
8531326 Method and apparatus for pulse width modulation signal processing Sep. 10, 2013
8526829 System, method and apparatus for clockless PPM optical communications Sep. 3, 2013
8519802 Pulse width modulation driving IC and pulse width modulation output signal generating method Aug. 27, 2013
8509342 System and method for delivery of video, content on demand and IP packets Aug. 13, 2013
8509300 Transmitter with reduced power consumption and increased linearity Aug. 13, 2013
8503576 Mirror signal IQ-imbalance correction Aug. 6, 2013
8483333 Methods for adjusting system clock in terms of operational status of non-baseband module, methods for peripheral device control adjustment, and electronic devices using the same Jul. 9, 2013
8472563 Signal processing apparatus, signal processing method and storage system Jun. 25, 2013
8467441 Pulse width modulation communication system Jun. 18, 2013
8467689 Parallel-serial converter for optical transmission, optical transmission system, and electronic apparatus Jun. 18, 2013
8462036 Digital-to-analog converter with non-uniform resolution Jun. 11, 2013
8457192 Pulse width modulator Jun. 4, 2013
8457243 Transmitter comprising a pulse width pulse position modulator and method thereof Jun. 4, 2013
8457246 Apparatus and method for envelope tracking power amplifier in wireless communication system Jun. 4, 2013
8451886 Apparatus method and computer readable medium for a transmitter May. 28, 2013
8451887 Phase interleaving control method for a multi-channel regulator system May. 28, 2013
8451888 Communication apparatus May. 28, 2013

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