Patents
Patents for H03C 1 - Amplitude modulation (2,214)
03/2015
03/05/2015DE102013014536A1 Verfahren zur Übertragung von Information und Vorrichtung zur Durchführung des Verfahrens Method for transmission of information and device for carrying out the method
02/2015
02/24/2015US8965312 Momentary burst protocol for wireless communication
02/24/2015US8965307 Cryogenic high power filters for high frequency shipboard applications
02/24/2015US8963635 Apparatus and method for producing signals coded with amplitude shift keying
02/17/2015US8958761 Determining on chip loading impedance of RF circuit
02/10/2015US8954022 Feedback receiver for antenna tuner calculations
02/10/2015US8952765 System and methods of bimodal automatic power and frequency tuning of RF generators
02/03/2015US8948713 Antenna impedance/power amplifier source impedance measurement circuitry and device operation based thereon
02/03/2015US8948307 Ask signal generator
02/03/2015US8948306 Broadband high efficiency amplifier system
01/2015
01/28/2015EP2830213A1 Apparatus, method, and computer program for generating an oscillating signal
01/22/2015WO2015008449A1 Orthogonal modulator
01/21/2015CN102395982B 用于具有规定调制系数的载波信号调幅的方法和电路 For having a predetermined modulation factor amplitude modulated carrier signal method and circuit
01/20/2015US8938027 Distortion compensation circuit, and transmission device using distortion compensation circuit and high-frequency power amplifier
01/08/2015WO2015001116A1 Rf mimo transmitter with load modulation
01/07/2015CN104270097A 一次上变频发射机本振泄漏及边带抑制的处理系统及方法 Once the conversion transmitter LO leakage and processing system and method sideband suppression
01/06/2015US8929842 Apparatus and method for body protection from electromagnetic fields
01/06/2015US8929480 Transmitter
01/01/2015US20150006343 Power supply device, power receiving device, billing method, and program
01/01/2015US20150004922 Modulation circuit and wireless communication apparatus
01/01/2015US20150002090 Power supply device, power receiving device, charging system, and obstacle detection method
12/2014
12/30/2014US8923436 Transmitter and method for controlling same
12/25/2014US20140375393 Digital amplitude modulator and control method for digital amplitude modulator
12/23/2014US8918068 Wide bandwidth RF power limiter
12/23/2014US8918067 Servo loop for quality-factor compensation in a capacitor array
12/23/2014US8917152 Spin wave device
12/18/2014US20140368053 Method and apparatus for setting frequency of wireless power transmission
12/17/2014CN104218894A 调幅信号包络检波方法和系统 AM signal envelope detection method and system
12/09/2014US8909381 Data communication in a multi-wire irrigation control system
12/09/2014US8907738 Suppressed carrier harmonic amplitude modulator
11/2014
11/27/2014US20140346890 Feed unit and feed system
11/25/2014US8897728 Method for memory effects quantification and comparison in RF transmitters and amplifiers
11/25/2014US8897726 Block sharing using three-way transformers in wireless circuits
11/18/2014US8892061 Methods, devices, and computer program products for tracking receipt and determining effectiveness of radio broadcast signals
11/18/2014US8892060 Method for tuning a digital compensation filter within a transmitter, and associated digital compensation filter
11/18/2014US8892059 Wireless communication circuit capable of adaptively adjusting circuit configuration thereof according to change in surroundings and related wireless communication method
11/18/2014US8891679 Polar transmitter suitable for monolithic integration in SoCs
10/2014
10/30/2014US20140320226 Synthesizer for transmitter and digital amplitude modulator
10/28/2014US8874049 Configurable transceiver
10/28/2014US8874048 Wireless device, and information processing apparatus and storage device including the wireless device
10/28/2014US8873667 Digital modulation
10/28/2014US8872567 High speed pulse shaping technology
10/21/2014US8868011 Power amplifier with fast loadline modulation
10/21/2014US8868010 RF transmitter for electrically short antenna
10/21/2014US8866548 High speed power supply system
10/16/2014US20140308912 Methods and Systems for Down-Converting a Signal Using a Complementary Transistor Structure
10/16/2014US20140308909 Up-Conversion Based on Gated Information Signal
10/14/2014US8862076 Method and device in a communication network
10/14/2014US8861627 Direct mm-wave m-ary quadrature amplitude modulation (QAM) modulator operating in saturated power mode
10/14/2014US8860524 Polar modulator
10/09/2014US20140300197 Amplitude modulation circuit and non-contact power feeding device
10/07/2014US8855584 Matching network for transmission circuitry
10/07/2014US8855236 Digital amplitude modulation
09/2014
09/25/2014US20140284451 Reducing localized high electric fields in photoconductive wide bandgap semiconductors
09/23/2014US8842777 Highly optimized digital IQ transmitter chain
09/23/2014US8842768 Radio communication system, a radio station, and method of transmitting data
09/18/2014WO2014142943A1 Single-sideband transmitter using class-s amplifier
09/16/2014US8836446 Methods and apparatus for terahertz wave amplitude modulation
09/09/2014CA2573862C System and method for current-mode amplitude modulation
09/02/2014US8823518 Method of sensor cluster processing for a communication device
08/2014
08/28/2014US20140241464 Method and System for Down-Converting an Electromagnetic Signal, and Transforms for Same, and Aperture Relationships
08/26/2014US8818303 Matching network for transmission circuitry
08/26/2014US8817909 Polar modulator arrangement, polar modulation method, filter arrangement and filtering method
08/13/2014EP2764733A1 Transmitter for waking up electronic systems, receiver, aircraft and spacecraft and method
08/13/2014CN103986417A 一种可实现自动检测和控制的零频幅度抑制电路及方法 Which can realize the automatic detection and control of zero-frequency amplitude suppression circuit and method
08/12/2014US8805308 Radio transmission modules having intrinsic safety
08/12/2014US8805306 Method for determining optimum power amplifier configurations using list mode testing
08/12/2014US8805305 Method and system for power control of a wireless communication device
08/05/2014US8797889 Multi-carrier CQI feedback method and apparatus
08/05/2014US8797112 Modulator, mixer and method for amplitude shift keying modulation
07/2014
07/22/2014US8787851 System and method for quickly power amplifier control
07/22/2014US8787497 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
07/15/2014US8781416 Adapting transmit parameters in highly dynamic channel
07/15/2014US8781397 System and method for initiating a secure communication link based on proximity and functionality of wireless communication devices
07/09/2014CN102047443B 用光电导宽带隙半导体作可变电阻器来调制电信号的系统和方法 System and method for photoconductive wide bandgap semiconductor variable resistor to modulate the electrical signal
07/08/2014US8771184 Wireless medical diagnosis and monitoring equipment
06/2014
06/24/2014US8761697 Signal processing device and method for providing a first analog signal and a second analog signal
06/24/2014US8761696 Highly linear and very low-noise down-conversion mixer for extracting weak signals in the presence of very strong unwanted signals
06/24/2014US8761298 Apparatus and method for transmitting and receiving signal in multiple input multiple output system
06/11/2014CN103858490A Transmitter for waking up electronic systems, receiver, aircraft and spacecraft and method
06/10/2014US8747321 Structured random permutation pulse compression systems and methods
06/05/2014WO2014085097A1 Linearization circuits and methods for multilevel power amplifier systems
06/03/2014US8744539 Method and apparatus for controlling radiation characteristics of transmitter of wireless device in correspondence with transmitter orientation
06/03/2014US8744379 Temperature independent CMOS radio frequency power detector
06/03/2014US8742865 Polar modulation transmission circuit and polar modulation transmission method
06/03/2014CA2636481C Am transmitter and modulation method using same
05/2014
05/27/2014US8737531 Vector generator using octant symmetry
05/27/2014US8736395 Polar modulation apparatus and method with common-mode control
05/22/2014WO2014078311A2 Frequency synthesis using a phase locked loop
05/20/2014US8731494 Device, system and method of detecting transmitter power
05/13/2014US8725214 Method of tuning a frequency agile electrically small tactical AM broadcast band antenna system
05/13/2014US8725091 Transmitter control
05/06/2014US8718576 Radio frequency modulator and method thereof
05/06/2014US8718567 Methods for calibrating radio-frequency receivers using code division multiple access test equipment
04/2014
04/29/2014US8712347 Wireless communication system
04/22/2014US8705640 Digital broadcast transmission and receiving system having an improved receiving performance and signal processing method thereof
04/22/2014US8704607 Pulse modulated RF power control method and pulse modulated RF power supply device
04/17/2014US20140104013 Bipolar microelectronic device
04/15/2014US8699958 Wireless communication device and radiation directivity estimating method
04/08/2014US8693578 Transmission device
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