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Class Information
Number: 375/353
Name: Pulse or digital communications > Pulse amplitude modulation
Description: Subject matter in which the amplitude of the transmitted pulses represents the transmitted information.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8675781 Radio frequency receiver system for wideband signal processing Mar. 18, 2014
8594262 Apparatus and method thereof for clock and data recovery of N-PAM encoded signals using a conventional 2-PAM CDR circuit Nov. 26, 2013
8594575 Shifted channel characteristics for mitigating co-channel interference Nov. 26, 2013
8537907 Receiving system for use in near field communication and mode detection method therefore Sep. 17, 2013
8532831 Data communication in a multi-wire irrigation control system Sep. 10, 2013
8525585 Demodulation circuit and RFID tag including the demodulation circuit Sep. 3, 2013
8515474 System and method for scheduling users on a wireless network Aug. 20, 2013
8509318 Multiple-channel transmission over a single-wire bus 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
8433017 System and method for transmit signal pulse shaping in automotive applications Apr. 30, 2013
8428195 Methods and apparatus for detecting and decoding adaptive equalization training frames Apr. 23, 2013
8422591 System and method for high speed communications using digital signal processing Apr. 16, 2013
8406425 Method and apparatus for minimizing co-channel interference Mar. 26, 2013
8379758 Power supply apparatus and power supply method Feb. 19, 2013
8374350 Quantum communication system Feb. 12, 2013
8331402 Optical transmission device, scrambling method, and descrambling method Dec. 11, 2012
8320494 Method and apparatus for generating reference voltage to adjust for attenuation Nov. 27, 2012
8315331 Transmission method, transmission circuit and transmission system Nov. 20, 2012
8311171 Distributing clock associated with a wired communication channel over wireless interfaces by sending a clock correction message to the receiving side Nov. 13, 2012
8295485 Quantum communication system Oct. 23, 2012
8279989 Device and process for data rate acquisition Oct. 2, 2012
8270534 Method and apparatus for signal quality estimation Sep. 18, 2012
8258862 Demodulation circuit and RFID tag including the demodulation circuit Sep. 4, 2012
8260465 Data communication in a multi-wire irrigation control system Sep. 4, 2012
8254489 Transmission method and multiple input multiple output wireless communication system using the same Aug. 28, 2012
8238495 Method and apparatus for reducing the interferences between a wideband device and a narrowband interferer Aug. 7, 2012
8229007 High bandwidth data transport system Jul. 24, 2012
8217812 Adjustable sampling rate converter Jul. 10, 2012
8199775 Optical transmission device and optical transmission method Jun. 12, 2012
8199859 Integrating receiver with precharge circuitry Jun. 12, 2012
8184742 RF receiver having timing offset recovery function and timing offset recovery method using thereof May. 22, 2012
8175540 Intermodulation distortion control May. 8, 2012
8165194 Space-time encoding method for a multi-antenna communication system of the UWB pulse type Apr. 24, 2012
8138825 Multi-chip stack structure and signal transmission method thereof Mar. 20, 2012
8130883 Pulse signal reception device, pulsed QPSK signal reception device, and pulse signal reception method Mar. 6, 2012
8116387 Method and system for a digital polar transmitter Feb. 14, 2012
8111783 Capturing and using radio events Feb. 7, 2012
8072873 Adaptive coding and modulation using linked list data structures Dec. 6, 2011
8068571 Featureless coherent chaotic amplitude modulation Nov. 29, 2011
8059709 Space-time coding/decoding method for a dual-antenna pulse UWB communication system Nov. 15, 2011
8059710 Space-time coding method for a multi-antenna system of the UWB pulse type Nov. 15, 2011
8059766 Communications device and related method with reduced false detects during start of message bit correlation Nov. 15, 2011
8059767 Communications device and related method that detects symbol timing Nov. 15, 2011
8054920 Communications device and related method with improved acquisition estimates of frequency offset and phase error Nov. 8, 2011
8041484 Abnormality reporting device for vehicle and control program Oct. 18, 2011
8032085 Spectrum-blind sampling and reconstruction of multi-band signals Oct. 4, 2011
7995453 Orthogonal code division multiplexing for twisted pair channels Aug. 9, 2011
7920597 Method and system for low power idle signal transmission in ethernet networks Apr. 5, 2011
7907005 Demodulation circuit for ASK coded or amplitude modulated signals as wells as NFC and RFID devices comprising the same Mar. 15, 2011

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