| 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) |
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| 06/07/2000 | CN1255792A Device in CDMA cellular mobile ratio system |
| 06/07/2000 | CN1255791A Data transmitting device in CDMA communication system and method thereof |
| 06/07/2000 | CN1255790A Method and system for controlling searching device in code division multi-rute access system |
| 06/07/2000 | CN1255788A Method and appts. for improving speech signal quality transmitted in radio communication installation |
| 06/07/2000 | CN1255787A Asymmetrical digital user's line RTD unit card and its control method |
| 06/07/2000 | CN1255786A Releasing-amplifying circuit and releasing-amplifying method in CDMA receiving equipment |
| 06/07/2000 | CN1255785A Mounting structure of key pressuring device |
| 06/07/2000 | CN1255784A 内置天线 Built-in antenna |
| 06/07/2000 | CN1255783A Multifrequency mixer with general native oscillator |
| 06/07/2000 | CN1255782A Phase-locked loop and method thereof |
| 06/07/2000 | CN1255780A Matched filter circuit |
| 06/07/2000 | CN1255689A Electronic identification system |
| 06/07/2000 | CN1255673A Voice-frequency coding device, radio microphone and voice-frequency decoding device |
| 06/07/2000 | CN1053316C 电子设备 Electronic equipment |
| 06/07/2000 | CN1053304C Frequency-hopping signal direction finding and intercept receiving method based on first-order bandpass sampling |
| 06/07/2000 | CN1053303C Transmitting and receiving signal switching circuit for wireless communication terminal |
| 06/06/2000 | US6073035 System unavailablity power reduction method with early failure and no rotation |
| 06/06/2000 | US6073031 Desktop docking station for use with a wireless telephone handset |
| 06/06/2000 | US6073022 Radio channel initial transmission scheme for mobile communication system |
| 06/06/2000 | US6073002 Mixer circuit and communication device using the same |
| 06/06/2000 | US6073001 Down conversion mixer |
| 06/06/2000 | US6073000 Direct conversion receiving circuit and direct conversion receiver |
| 06/06/2000 | US6072999 Receiving apparatus |
| 06/06/2000 | US6072998 Radio receiver for receiving a modulated digital signal |
| 06/06/2000 | US6072997 Frequency discriminator for a direct conversion receiver |
| 06/06/2000 | US6072996 Dual band radio receiver |
| 06/06/2000 | US6072994 Digitally programmable multifunction radio system architecture |
| 06/06/2000 | US6072993 Portable radio transceiver with diplexer-switch circuit for dual frequency band operation |
| 06/06/2000 | US6072991 Compact microwave terrestrial radio utilizing monolithic microwave integrated circuits |
| 06/06/2000 | US6072987 Method for transmitting and receiving address information within a communication system |
| 06/06/2000 | US6072882 Method and apparatus for sensing an audio signal that is sensitive to the audio signal and insensitive to background noise |
| 06/06/2000 | US6072845 Simplified interference suppressor |
| 06/06/2000 | US6072824 Circuit arrangement for reducing intermodulation in a bandpass filter system |
| 06/06/2000 | US6072822 Terminal unit for use with radio system and searching method |
| 06/06/2000 | US6072807 Searching for signals to assign to the fingers of a rake receiver |
| 06/06/2000 | US6072802 Initial synchronization method in code division multiple access reception system |
| 06/06/2000 | US6072792 Power control apparatus, and an associated method, for TDMA transmitter |
| 06/06/2000 | US6072791 CDMA spread spectrum mobile phone |
| 06/06/2000 | US6072753 Automatic radio program recorder |
| 06/06/2000 | US6072442 Local communication system and station for use in such a system |
| 06/06/2000 | US6072411 Method and apparatus for message correction |
| 06/06/2000 | US6072401 Portable messaging and scheduling device with homebase station |
| 06/06/2000 | US6072383 RFID tag having parallel resonant circuit for magnetically decoupling tag from its environment |
| 06/06/2000 | US6071640 Battery mounting assembly for a radio |
| 06/06/2000 | US6070803 Reading device for a transponder |
| 06/06/2000 | CA2187479C Complex signal limiting |
| 06/06/2000 | CA2184286C Remote meter reading power reduction method |
| 06/06/2000 | CA2176945C Method and apparatus for coherent communication reception in a spread-spectrum communication system |
| 06/06/2000 | CA2064820C System with compact spectrum |
| 06/02/2000 | WO2000031990A2 Thermal transmission control of wireless data modem |
| 06/02/2000 | WO2000031935A1 Multi-mode transmitter and receiver |
| 06/02/2000 | WO2000031909A1 Receiver and demodulator applied to mobile communication system |
| 06/02/2000 | WO2000031904A1 Method and apparatus for spreading and despreading data in a spread-spectrum communication system |
| 06/02/2000 | WO2000031889A1 Processing signals of different data rates |
| 06/02/2000 | WO2000031887A1 Mobile communication terminal |
| 06/02/2000 | WO2000031886A1 A transceiver |
| 06/02/2000 | WO2000031885A1 Method and arrangement for transmitting and receiving rf signals through various radio interfaces of communication systems |
| 06/02/2000 | WO2000031884A1 A communication signal receiver and an operating method therefor |
| 06/02/2000 | WO2000031883A1 Method and arrangement for reducing distortion in a radio receiver arrangement |
| 06/02/2000 | WO2000031882A1 Method and device for recognising and removing parasitic pulses in an utility signal |
| 06/02/2000 | WO2000031881A1 Linear rf power amplifier and transmitter |
| 06/02/2000 | WO2000031870A2 Methods and systems for frequency generation for wireless devices |
| 06/02/2000 | WO2000031867A1 Automatic gain control for slotted mode operation |
| 06/02/2000 | WO2000031866A2 Temperature self-compensating filter for high frequency transceivers |
| 06/02/2000 | WO2000031704A1 A safety device |
| 06/02/2000 | WO2000031659A1 Reduced power matched filter |
| 06/02/2000 | WO2000014972A3 Afc device and method of controlling reception frequency in a dual-mode terminal |
| 06/02/2000 | WO2000014915A3 Method for forming or detecting a signal sequence and transmitter unit and receiver unit |
| 06/02/2000 | WO2000008864A3 Transmitter of multiple frequency radio communication system |
| 06/02/2000 | CA2351317A1 Processing signals of different data rates |
| 06/02/2000 | CA2287049A1 Methods and apparatus for enhanced power ramping via multi-threshold detection |
| 06/01/2000 | CA2254810A1 Improved device of a micro mobile phone battery charger |
| 05/31/2000 | EP1005211A2 Communication device with operation mode selection according to its position with respect to an independent reference system |
| 05/31/2000 | EP1005202A2 Frequency modulation circuit |
| 05/31/2000 | EP1005185A2 Receiver for receiving frequency modulated (FM) transmissions, comprising supplementary information transmitted on a subcarrier |
| 05/31/2000 | EP1005178A2 Cell searching method in asynchronons wideband code division multiple access system |
| 05/31/2000 | EP1005177A2 Method and apparatus for controlling a searcher in a CDMA communication system |
| 05/31/2000 | EP1005174A2 Response determination method, communication method, and wireless transceiver |
| 05/31/2000 | EP1005172A2 Digital signal processing apparatus using frequency-hopping |
| 05/31/2000 | EP1005020A2 Subband audio coding apparatus and wireless microphone using the same |
| 05/31/2000 | EP1004477A1 Device for attaching a portable phone in a vehicle |
| 05/31/2000 | EP1004217A1 A method and apparatus for maximizing standby time using a quick paging channel |
| 05/31/2000 | EP1004170A1 Device for playing back audio signals in a motor vehicle |
| 05/31/2000 | EP1004167A2 Method and device for maintaining a time grid defined by a high clock frequency by means of a low clock frequency |
| 05/31/2000 | EP1004156A2 Electrical device |
| 05/31/2000 | EP1003397A1 Clamping assembly |
| 05/31/2000 | EP0932940B1 Radio receiver with a recording unit |
| 05/31/2000 | EP0875099A4 Method for assigning band port channels in an unlicensed personal communications system |
| 05/31/2000 | EP0699342B1 Method for realizing frequency hopping and a base station equipment |
| 05/31/2000 | EP0642716B1 Circuit for deriving a signal dependent on the direction of change of the reception field intensity |
| 05/31/2000 | EP0642713B1 Circuit for deriving a signal indicating interference in a received stereo multiplex signal |
| 05/31/2000 | EP0642712B1 Circuit for deriving in a signal indicating interference in a received stereo multiplex signal |
| 05/31/2000 | DE19951255A1 Elektronisch geregeltes Audiosystem mit Drehknopfregler Electronically controlled audio system with rotary control |
| 05/31/2000 | DE19923819A1 Crystal transceiver system for electromechanically generated free electric waves for independent radio traffic, has crystal resonator coupled to DC supply |
| 05/31/2000 | DE19855242A1 Drahtloses Netzwerk Wireless network |
| 05/31/2000 | DE19854820A1 Wireless network with base stations and terminals, optionally mobile |
| 05/31/2000 | DE19853899A1 Vorrichtung zur elektrischen Verbindung eines Handys mit einer Tastatur Device for electrical connection of a mobile phone with a keyboard |
| 05/31/2000 | CN2381067Y Radio playback device |
| 05/31/2000 | CN2380267Y Swimming-training electronic instrument |
| 05/31/2000 | CN2380129Y Pillow-type multifunction stereo set on bed |