Patents
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
09/2008
09/10/2008CN201113997Y Answering machine message reading device
09/10/2008CN201113996Y Radio microphone system
09/10/2008CN201113995Y Mobile phones box
09/10/2008CN201113994Y Mobile phone seat
09/10/2008CN201113993Y Radio receiving and dispatching equipment
09/10/2008CN201113992Y Wireless call rescuing device
09/10/2008CN201113991Y Vehicle mounted telephone operation terminal device
09/10/2008CN201113990Y Theft-proof casing for mobile telephone set
09/10/2008CN201113989Y Wireless medium playing terminal
09/10/2008CN201113988Y Receiving apparatus
09/10/2008CN201113987Y Portable radio
09/10/2008CN201113986Y Device and mobile phone for preventing terminal radio frequency interference between terminal frequency range
09/10/2008CN201113985Y Slow pivoting device
09/10/2008CN201113984Y Short wave reception optical fiber transmission system
09/10/2008CN201113983Y Multi- carrier synthesized network device
09/10/2008CN201113982Y USB wireless audio frequency emitting set
09/10/2008CN201112529Y Mobile phone spare battery
09/10/2008CN201112501Y Mobile phone battery
09/10/2008CN201112461Y Multi-plug mobile phone spare battery
09/10/2008CN201112426Y Spare battery with card-reading function
09/10/2008CN101263662A 自适应影响区域滤波器 Adaptive area of ​​influence filter
09/10/2008CN101263661A Communication system, communication apparatus, communication method, and program
09/10/2008CN101263660A Signal processing task scheduling in a communication apparatus
09/10/2008CN101263659A Reception amplitude correction circuit, reception amplitude correction method, and receiver using the same
09/10/2008CN101263651A Oscillator, PLL circuit, receiver and transmitter
09/10/2008CN101262701A A dynamic channel allocation method based on generic algorithm
09/10/2008CN101262687A Sequence allocation method and device
09/10/2008CN101262605A Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
09/10/2008CN101262573A Receiving apparatus, method of controlling the apparatus, and program for implementing the method
09/10/2008CN101262569A 接收系统 Receiving system
09/10/2008CN101262532A Keyless entry multi-channel RKE system
09/10/2008CN101262531A Remote access system
09/10/2008CN101262515A Portable electronic device
09/10/2008CN101262511A A mobile microphone structure
09/10/2008CN101262468A Digital communication system and method for using pilot freqency signal transmission technique
09/10/2008CN101262467A Realization method and realization device for digital baseband frequency spreading modulation system
09/10/2008CN101262462A Transmission method and device for downlink control information
09/10/2008CN101262459A Ask transmitter in capable of controlling the modulation index
09/10/2008CN101262458A Method for modulating digital signal to RF signals and digital RF converter
09/10/2008CN101262393A Industrial wireless sensing network and communication method based on distributed coordinated frequency
09/10/2008CN101262388A Method of transmitting and receiving internet address in mobile communication terminal
09/10/2008CN101262313A A device and method for realizing virtual multi-antenna multiplexing in middle-range sensing network
09/10/2008CN101262311A Pre-processing method for information data of downlink transmission end in multi-user MIMO system
09/10/2008CN101262300A Chaos interference system for chaos synchronization
09/10/2008CN101262290A Fm tuning circuit
09/10/2008CN101262287A Cluster pulse signal energy synchronization detection method in pulse ultra-broadband communication system
09/10/2008CN101262286A A novel ultra-broadband (UWB) energy detection circuit
09/10/2008CN101262280A A method for inter-frequency transmission of multicast broadcast and multicast service
09/10/2008CN101262267A Method and apparatus for hopping code division multiple access control segment in mobile communication system
09/10/2008CN101262265A A delay diversity transmission and receiving method for time division duplex wireless communication system
09/10/2008CN101262264A Wireless communication system, and wireless communication device and method
09/10/2008CN101262262A Power amplifier circuit, control method thereof and control program thereof
09/10/2008CN101262258A Demodulation device for microwave signal transmitter
09/10/2008CN101262250A Joint transmission and receiving method for chirp direct frequency spreading signal and frequency jump signals
09/10/2008CN101262249A Transmission and receiving method and device for fraction Fourier domain and frequency domain joint frequency spreading signals
09/10/2008CN101262248A Ultra-wide wireless multi-hop and multi-terminal grid computer cluster and its construction method
09/10/2008CN101262247A Method and apparatus for chip-rate processing in a CDMA system
09/10/2008CN101262245A Channel estimating method for multimedia broadcast and multicast service based on multi-carrier time slot
09/10/2008CN101262244A A transmission energy proliferation, signal receiving/transmission method and transmission and receiving device
09/10/2008CN101262243A Mixer with self-calibrating carrier leakage mechanism and carrier leakage calibrating method
09/10/2008CN101262242A N+1 dual frequency channel mixing method and its special channel mixer
09/10/2008CN101262241A Sending/receiving circuit module
09/10/2008CN101262240A An easy-to-realize method and device for full digital frequency conversion
09/10/2008CN101262239A Mm wave RF receiving/transmission device
09/10/2008CN101262238A An electronic device and communication access cycle control method based on electronic device
09/10/2008CN101262237A FM circuit for handheld mobile device
09/10/2008CN101262236A A RF device of single-side belt digital short wave receiver for sensor network gateway
09/10/2008CN101262235A Car top-set wireless device and its wireless amplifier
09/10/2008CN101262234A Data transmission device for wireless microphone system
09/10/2008CN101262080A Battery charger and electronic element using power tool battery
09/10/2008CN101261747A Charging type vehicle-mounted unit
09/10/2008CN101261318A High dynamic state spread-spectrum precise distance measurement receiving machine
09/10/2008CN101261316A Distance-measuring device, positioning device, distance-measuring method and positioning method
09/10/2008CN100418391C Case for mobile communication terminal
09/10/2008CN100418383C Method and system for connecting a mobile terminal to a database
09/10/2008CN100418377C Streaming contents recording method of mobile communication terminal
09/10/2008CN100418362C Tuner circuit and digital broadcast receiver with the same
09/10/2008CN100418335C Data transfer control device and electronic instrument
09/10/2008CN100418311C Apparatus and method for sign mapping transmission format combined indicating sign bit
09/10/2008CN100418307C Apparatus and method for transmitting/receiving an emergency rescue request using UWB signals
09/10/2008CN100418306C Satellite broadcasting converter, and detector circuit used therein
09/10/2008CN100418305C Method and apparatus for compensating phase errors in a base station
09/10/2008CN100418304C Transmission device and adjustment method thereof
09/10/2008CN100418104C Surface acoustic wave converter and identification system using the same
09/10/2008CN100418042C Portable terminal having motion-recognition capability and motion recognition method therefor
09/09/2008US7424628 Serial type interface circuit, power saving method thereof, and device having serial interface
09/09/2008US7424618 Biometric access control and time and attendance network including configurable system-on-chip (CSOC) processors with embedded programmable logic
09/09/2008US7424434 Unified lossy and lossless audio compression
09/09/2008US7424332 Audio signal processing apparatus and related computer program
09/09/2008US7424316 Body-worn personal communications apparatus
09/09/2008US7424315 Communication bus system operable in a sleep mode and a normal mode
09/09/2008US7424314 Mobile phone charger with sterilization function and method for sterilizing mobile phone using the same
09/09/2008US7424313 Public land mobile network/private wireless network-integrated service network and system for the same
09/09/2008US7424312 Interface system for an accessory and a communication device
09/09/2008US7424308 Mobile terminal device and antenna switch
09/09/2008US7424286 Transmitter/receiver system, mobile transmitter/receiver apparatus, communication management apparatus, broadcasting station carrier receiver apparatus, and method of attempting communication of call origination information
09/09/2008US7424281 Image-rejection mixers having high linearity and high gain and RF circuits using the same
09/09/2008US7424279 Method for enhancing in real-time the playback of an audio broadcast signal
09/09/2008US7424278 Low IF mixer with improved selectivity performance
09/09/2008US7424276 Transmitter and wireless communication apparatus using the transmitter