Thanh C Le

US Patent 7383026 Wideband retroreflector

US Patent 7400873 Method and system for image rejection by using post mixer I/Q equalization

US Patent 7409186 Detection and elimination of oscillation within cellular network amplifiers

US Patent 7409237 Clip assembly with lateral lock and interchangeable clip arm interface and method

US Patent 7412210 High frequency module

US Patent 7412211 Method for implementing enhanced hand shake protocol in microelectronic communication systems

US Patent 7412262 Mobile communication terminal including of which menu can be constructed by using mobile flash

US Patent 7415296 Antenna for sending and receiving signals in a plurality of frequency bands

US Patent 7418277 Hands-free apparatus working with Bluetooth earphone

US Patent 7421262 Tuning method and apparatus for reducing interference between adjacent channels

US Patent 7421263 Circuit for reducing second order intermodulation

US Patent 7421288 Multi-antenna system and antenna unit

US Patent 7424308 Mobile terminal device and antenna switch

US Patent 7426378 Separation of cochannel FM signals

US Patent 7426402 System and method for connecting peripheral devices with mobile communication terminal

US Patent 7433720 Built-in antenna apparatus of portable wireless terminal

US Patent 7440727 Handling transfer of management data to and from a telecommunications unit of a telecommunications system

US Patent 7440781 System and method for power conservation in a wireless device

US Patent 7447482 Antenna selection system and method, and radio communication apparatus using the same

US Patent 7447484 Timing controller and timing control method

US Patent 7447532 Handheld electronic device with shockproof mechanism

US Patent 7450902 Continuous phase frequency shift keying modulation during wireless transmissions in a closed system while minimizing power consumption

US Patent 7450916 Excess current and saturation detection and correction in a power amplifier

US Patent 7450960 System, method and mobile unit to sense objects or text and retrieve related information

US Patent 7460833 Transmitting apparatus of communication system

US Patent 7466972 System and method for optimized receiver performance in a low intermediate frequency architecture for edge

US Patent 7469130 Polar modulator and method for determining an amplitude offset in a polar modulator

US Patent 7471930 High frequency module

US Patent 7471938 Power clipping circuit and power clipping method

US Patent 7471939 Multiplier and radio communication apparatus using the same

US Patent 7477886 Cascading-synchronous mixer and method of operation

US Patent 7480483 Mobile broadcast receiving apparatus and control method therefor

US Patent 7483687 Quadrature sub-harmonic frequency down-converter

US Patent 7483716 Method and system for mobile receiver architecture for US band cellular and VHF/UHF broadcasting

US Patent 7486929 Processor-controlled variable gain cellular network amplifiers with oscillation detection circuit

US Patent 7486937 Efficient RF amplifier topologies

US Patent 7486941 Method and apparatus for dynamic gain and phase compensations

US Patent 7509102 DAC based switching power amplifier

US Patent 7509105 Radio frequency excitation arrangement including a limiting circuit

US Patent 7509152 Mast-based detachable controller device

US Patent 7512401 Method and system for updating capabilities of a device

US Patent 7512406 Personnel tracking system

US Patent 7515888 Systems and method for a highly integrated, multi-mode tuner

US Patent 7515946 Semiconductor device and control method for power saving

US Patent 7519349 Transceiver development in VHF/UHF/GSM/GPS/bluetooth/cordless telephones

US Patent 7522890 Communication system, base station, radio network controller, and transmission power controlling method

US Patent 7522895 Receiver monitoring and alert system

US Patent 7522897 Adaptable DC offset correction

US Patent 7522899 Image rejection scheme for receivers

US Patent 7526258 Method and apparatus for transmitting signals, method and apparatus for receiving the signals, and communication system utilizing the same

US Patent 7526266 Adaptive coherent RFID reader carrier cancellation

US Patent 7526279 Communication device

US Patent 7526310 Methods and apparatus to initiate the transmission of user data from a mobile device

US Patent 7529523 N-th order curve fit for power calibration in a mobile terminal

US Patent 7529570 Folding cellular phone

US Patent 7529572 Mobile electric device

US Patent 7532879 Communication device

US Patent 7532907 Method of providing multiple data paths using a mobile terminal and related devices

US Patent 7542735 Multi-octave differential upconverter

US Patent 7551910 Translation and filtering techniques for wireless receivers

US Patent 7551943 Wireless communication method, wireless communication system, and wireless communication device

US Patent 7558538 Quadrature sub-harmonic frequency up-converter

US Patent 7558550 Versatile system for multimode, wireless communication receiver with ZIF and Near-ZIF operations

US Patent 7558555 Self-structuring subsystems for glass antenna

US Patent 7561850 Wireless receiving apparatus and antenna verification method

US Patent 7561857 Model network of a nonlinear circuitry

US Patent 7561861 Tuning circuit

US Patent 7561901 Adaptation of push mail filters to save UE battery power

US Patent 7565117 Control of power amplifiers in devices using transmit beamforming

US Patent 7565120 Semiconductor integrated circuit and semiconductor integrated circuit for radio communication

US Patent 7565185 Three-axial rotation type mobile communication terminal

US Patent 7567790 Receiving device and integrated circuit for reception

US Patent 7570936 Sub-harmonically pumped mixer

US Patent 7574181 System and method for preprocessing a signal for transmission by a power amplifier

US Patent 7574184 Method and device for detecting occupation by a signal of an adjacent channel

US Patent 7574190 Signal-processing electronics

US Patent 7577414 Methods and apparatus for automatic gain control in broadband tuners

US Patent 7577419 Digital mixer system and method

US Patent 7580683 Radio transceiver on a chip

US Patent 7580688 Weak battery warning circuit

US Patent 7583941 Apparatus and method to adjust and filter current DAC signals

US Patent 7583945 Amplifier with improved noise performance and extended gain control range

US Patent 7583981 Mobile station and weighting control method

US Patent 7587190 Systems and methods for low power clock generation

US Patent 7587191 High-quality detection based on sequential interference cancellation techniques

US Patent 7593690 Signal converter, RFID tag having signal converter, and method of driving RFID tag

US Patent 7596356 On-chip baseband-to-RF interface and applications thereof

US Patent 7599673 Receiver architectures utilizing coarse analog tuning and associated methods

US Patent 7603149 Swivel-type mobile terminal and control method thereof

US Patent 7610010 Broadcast receiver with selectively storing channel and antenna information

US Patent 7610033 Radio frequency tuner

US Patent 7613439 Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment

US Patent 7613441 Radio wave reception device and radio wave clock

US Patent 7620377 Bandwidth enhancement for envelope elimination and restoration transmission systems

US Patent 7620420 Signal transmission apparatus and signal transmission method

US Patent 7623830 Auto-calibrating receiver and methods for use therewith

US Patent 7627294 Radio transmitter front-end with amplitude and phase correction and methods for use therewith

US Patent 7630697 Local oscillator control in radio receivers

US Patent 7634237 Method and system for a fractional-N synthesizer for a mobile digital cellular television environment

US Patent 7634242 Systems and methods for filter center frequency location

US Patent 7634292 Portable terminal, and radio quality display method, program, and system

US Patent 7636559 RF filter adjustment based on LC variation

US Patent 7639990 Wireless communications device

US Patent 7639992 Digital compensation for nonlinearities in a phase-locked loop of a polar transmitter

US Patent 7639997 Radio communication system

US Patent 7639999 System for diverse path antenna selection

US Patent 7643791 Method and apparatus for optimizing signal processing

US Patent 7643853 Apparatus and method for selecting an antenna in a communication system

US Patent 7650113 Apparatus for receiving wide-band pulse signal in communication channel using human body

US Patent 7650120 High frequency module

US Patent 7650127 Gain controlled external low noise amplifier

US Patent 7653358 RF integrated circuit having an on-chip pressure sensing circuit

US Patent 7653368 Radio receiver and a method thereof

US Patent 7660571 Programmable attenuator using digitally controlled CMOS switches

US Patent 7660584 Using an access point name to select an access gateway node

US Patent 7664477 Communications system using a low cost oscillator and related method thereof

US Patent 7664528 Method and system for mobile receiver antenna architecture for European band cellular and broadcasting services

US Patent 7668521 Method and system for RF front-end calibration scheme using fractional-N frequency synthesized signals and RSSI

US Patent 7668525 System and method of a stereo receiving system

US Patent 7668569 Mobile communication terminal including menu that can be constructed by using mobile flash

US Patent 7680471 System and method for prolonging wireless data product's life

US Patent 7684828 Mobile terminal and method for outputting image

US Patent 7689174 Voice data RF GPS integrated circuit

US Patent 7689177 Method and apparatus for transmitting/receiving feedback information and system supporting the same in a multi-user multi-antenna system

US Patent 7689184 Method of tuning frequency and apparatus therefor

US Patent 7697914 Radio receiver and radio receiver front-end

US Patent 7702286 RDS data security apparatus and method

US Patent 7702300 Envelope modulator saturation detection using a DC-DC converter

US Patent 7702337 Method and system for providing quick service access

US Patent 7702360 Communication system equipped with a shared antenna and expansion card thereof

US Patent 7706766 Method and system for a programmable biasing mechanism for a mobile digital television environment

US Patent 7706820 Conversion adapter, medical system and communication method

US Patent 7715812 RF power amplifier

US Patent 7715867 Mobile communication terminal and wireless communication module thereof

US Patent 7720486 Method and system for providing personalized services to a mobile vehicle

US Patent 7729674 Multiband or multimode receiver with shared bias circuit

US Patent 7734265 Audio muting circuit and audio muting method

US Patent 7734276 Retrofit automobile radio for older automobiles

US Patent 7738929 Mobile terminal having a buffer

US Patent 7742749 Method and device for processing signals received by a receiver of radiophonic signals and car radio comprising such a device

US Patent 7747229 Electronic antenna beam steering using ancillary receivers and related methods

US Patent 7756466 Audio control apparatus, audio system, and navigation apparatus

US Patent 7756549 Dialing screen method and layer structure for a mobile terminal

US Patent 7761065 RF power amplifier controller circuit with compensation for output impedance mismatch

US Patent 7761124 Sliding mechanism for slide-type portable electronic device

US Patent 7769359 Adaptive wireless receiver

US Patent 7773969 Current converter, frequency mixer, radiofrequency transmission system and method for frequency mixing

US Patent 7783253 Security system and method for protecting electronic devices

US Patent 7787848 Automatic gain control method for receiver and apparatus thereof

US Patent 7792508 Radio frequency signal receiver for controlling bias current and method for controlling bias current

US Patent 7792513 Distributed RF front-end for UWB receivers

US Patent 7797013 Radio communications using scheduled power amplifier backoff

US Patent 7801496 Method to enable open loop antenna transmit diversity on channels having dedicated pilots

US Patent 7801498 Transmission of analog signals in a system-on-chip

US Patent 7801502 Method for implementing continuous radio frequency (RF) alignment in advanced electronic warfare (EW) signal stimulation systems

US Patent 7805160 Method and system for mobile receiver architecture for US band cellular and VHF/UHF broadcasting

US Patent 7805170 System and method for efficient power supply regulation compatible with radio frequency operation

US Patent 7809340 Apparatus for implementing enhanced hand shake protocol in microelectronic communication systems

US Patent 7813707 High-performance bipolar tuner solution systems and methods

US Patent 7831211 Auto-calibrating receiver and methods for use therewith

US Patent 7831227 DAC based switching power amplifier

US Patent 7835708 Radio transmitter front-end with amplitude and phase correction and methods for use therewith

US Patent 7835715 Log-antilog mixer circuit and method for producing frequency conversion

US Patent 7840191 Baluns for multiple band operation

US Patent 7853226 Peak-hold circuit and signal strength indicator using the peak-hold circuit

US Patent 7853229 Methods and apparatus for calibration of automatic gain control in broadcast tuners

US Patent 7856207 Apparatus and systems for electrically isolating and transmitting RF signals between two devices

US Patent 7860467 Power control for a dual mode transmitter

US Patent 7860476 Narrowband interference excision in the external controller of an implanted microstimulator network

US Patent 7865154 Tunable microwave devices with auto-adjusting matching circuit

US Patent 7865216 Communication device

US Patent 7869783 Extended smart antenna system

US Patent 7869806 Method and apparatus for saving power of multi standby mobile terminal

US Patent 7877068 Semiconductor device

US Patent 7877074 Adaptive coherent RFID reader carrier cancellation

US Patent 7881747 Method and system for a mobile architecture that supports a cellular or wireless network and broadcast utilizing an integrated single chip cellular and broadcast silicon solution

US Patent 7885611 RF integrated circuit having an on-chip pressure sensing circuit

US Patent 7885621 Receiver and electronic apparatus using the same

US Patent 7890069 Selectable low noise amplifier for wireless communication

US Patent 7890071 Handheld audio system

US Patent 7894793 Portable electronic device with fastening mechanism

US Patent 7899414 Control of power amplifiers in devices using transmit beamforming

US Patent 7899416 RF transmitter with heat compensation and method therefor

US Patent 7899428 Radio receiver and radio receiver front-end

US Patent 7904043 Method for implementing continuous radio frequency (RF) alignment in advanced electronic warfare (EW) signal stimulation systems

US Patent 7907928 High speed, wide frequency-range, digital phase mixer and methods of operation

US Patent 7907942 Communication device

US Patent 7917105 RF power amplifier controller circuit with compensation for output impedance mismatch

US Patent 7920835 FM transmitter

US Patent 7925227 Multi-band amplifier module with harmonic suppression

US Patent 7925311 Keypad for mobile phone

US Patent 7933564 Method for the multi-antenna transmission of a linearly-precoded signal, corresponding devices, signal and reception method

US Patent 7937051 Apparatus and method for measuring the level of RF signals, and a transmitter including a wide band measurement circuit

US Patent 7941185 Mobile terminal and data display method by individual SIM cards

US Patent 7945217 Multi-mode baseband-IF converter

US Patent 7949311 RF integrated circuit with transmitter and multipurpose output ports and methods for use therewith

US Patent 7953375 Communication module with dual systems and method for defining operating mode thereof

US Patent 7953377 WCDMA transmit architecture

US Patent 7953435 Method and system for a mobile architecture that supports a cellular or wireless network and broadcast utilizing an integrated single chip cellular and broadcast silicon solution

US Patent 7953456 Acoustic echo reduction in mobile terminals

US Patent 7957715 Spectrally constrained local oscillator switching

US Patent 7957747 Method and system for providing quick service access

US Patent 7974592 Linearization in a transmission chain

US Patent 7974663 Mast-based detachable controller device

US Patent 7979042 Generating phase shift based on adding two vectors with variable gains

US Patent 7979046 Transceiver development in VHF/UHF/GSM/GPS/bluetooth/cordless telephones

US Patent 7979093 Portable terminal and method for displaying preference item therein

US Patent 7986984 Electronic device with protection cover

US Patent 7991365 Method, system and apparatus for estimation of propagation path variability of a transmit diversity channel

US Patent 7991368 Integrated RF-IF converter

US Patent 7991370 Amplifier circuit and receiving device

US Patent 7991429 Communication system equipped with shared antenna and circuit board thereof

US Patent 8005439 Radio transceiver on a chip

US Patent 8010054 Voice data RF GPS integrated circuit