| 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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| 03/03/1998 | US5724650 Radio receiving selecting broadcast frequencies based upon stored time data |
| 03/03/1998 | US5724649 Voltage regulation circuit for a radio with plural receivers |
| 03/03/1998 | US5724644 Method of and receiver for processing and reproducing a message |
| 03/03/1998 | US5724393 For cooling product merchandisers |
| 03/03/1998 | US5724384 PN code sync device using an adaptive threshold |
| 03/03/1998 | US5724383 Method for generating and encoding signals for spread spectrum communication |
| 03/03/1998 | US5724382 Multimode spread spectrum communication system tolerant to varying channel characteristics |
| 03/03/1998 | US5724381 Receiver for spread spectrum communication |
| 03/03/1998 | US5724380 Radio transmission system |
| 03/03/1998 | US5724378 CDMA multiuser receiver and method |
| 03/03/1998 | US5724341 Network control apparatus |
| 03/03/1998 | US5724277 Background noise generating apparatus |
| 03/03/1998 | US5724106 Hand held remote control device with trigger button |
| 03/03/1998 | US5724038 Noise cancelling circuit and arrangement |
| 03/03/1998 | US5724005 Linear power amplifier with automatic gate/base bias control for optimum efficiency |
| 03/01/1998 | CA2184541A1 Method and apparatus for wavelet modulation of signals for transmission and/or storage |
| 02/26/1998 | WO1998008319A1 Rake receiver for spread spectrum signal demodulation |
| 02/26/1998 | WO1998008313A1 Symbol-matched filter having a low silicon and power requirement |
| 02/26/1998 | WO1998008312A1 An apparatus and a method for a telecommunication system |
| 02/26/1998 | WO1998008103A1 Diagnostic procedure for electrical appliances |
| 02/26/1998 | WO1998002967A3 A delay estimation method and a receiver |
| 02/26/1998 | WO1997050202A3 Method and apparatus for communicating information |
| 02/26/1998 | WO1997040398A3 Spread spectrum receiver with multi-bit correlator |
| 02/26/1998 | DE19735391A1 Digital transmitter and receiver system using direct modulation and demodulation processes |
| 02/26/1998 | DE19731904A1 Protective anti-radiation casing e.g. for RF device |
| 02/26/1998 | DE19633785A1 Diagnoseverfahren für elektrische Geräte Diagnostic methods for electrical appliances |
| 02/26/1998 | CA2204718A1 Method and system for programming a cellular phone |
| 02/25/1998 | EP0825737A1 Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system |
| 02/25/1998 | EP0825734A2 Self-testing transceiver |
| 02/25/1998 | EP0825729A2 A CDMA communication system |
| 02/25/1998 | EP0825727A1 Rake receiver |
| 02/25/1998 | EP0825725A1 Subband coding with adaptive bit allocation |
| 02/25/1998 | EP0825723A1 Method of suppressing a disturbance during the analysis of a bio-electric measurement signal |
| 02/25/1998 | EP0825711A2 Method for automatically matching a receiver to differennt signal levels and receiver perfoming this method |
| 02/25/1998 | EP0825571A1 Display apparatus and radio selective calling receiver |
| 02/25/1998 | EP0825452A2 Monolithic, low-noise, synchronous direct detection receiver for passive microwave/millimeter-wave radiometric imaging systems |
| 02/25/1998 | EP0824811A1 Data transmission system with a low peak-to-average power ratio based on distorting frequently occurring signals |
| 02/25/1998 | EP0824810A1 Digital cdma multiplexer with adaptable number of channels |
| 02/25/1998 | EP0824802A1 Method of receiving and searching a signal transmitting in bursts |
| 02/25/1998 | EP0824797A1 Spread spectrum communication network with adaptive frequency agility |
| 02/25/1998 | EP0824796A1 Method and equipment for multirate coding and detection in a multiple access mobile communication system |
| 02/25/1998 | EP0824795A2 Circuit arrangement with a filter quadripole |
| 02/25/1998 | EP0824794A2 Improvements in or relating to radio receivers |
| 02/25/1998 | EP0824793A1 Spurious signal reduction in rf transmitter integrated circuits |
| 02/25/1998 | EP0824784A1 Temperature compensated automatic gain control |
| 02/25/1998 | EP0824782A2 Receiver with digital processing of a phase-splitted input signal |
| 02/25/1998 | EP0824778A1 Intelligent battery charging in a hand-held phone |
| 02/25/1998 | EP0744104A4 Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission |
| 02/25/1998 | CN2275305Y Multifunctional four machine-in-one visual intercommunication anti-theft main machine |
| 02/25/1998 | CN2275304Y Ultra-high frequency transmitter |
| 02/25/1998 | CN2275303Y Adapter for radio transmission of microphone |
| 02/25/1998 | CN2275286Y Ericsson type direct charging battery |
| 02/25/1998 | CN2275285Y Motorola type direct charging battery |
| 02/25/1998 | CN1174638A Rodio broadcasting system, transmitter and receiver for use in such a system, radio broadcasting method and radio broadcasing signal |
| 02/25/1998 | CN1174637A System for transferring data in re-assignable groups, transmitter and receiver for use in such a system, and method for transferring, transmitting and receiving such data |
| 02/25/1998 | CN1174636A Method to realize discontinuous transmission in mobile phone system |
| 02/25/1998 | CN1174484A Portable radio communication apparatus |
| 02/25/1998 | CN1174453A Variable correlator |
| 02/25/1998 | CN1174449A AM data multiple modulation wave signal demodulator |
| 02/24/1998 | US5722089 Antenna control device for a radio communication apparatus having a plurality of antennas |
| 02/24/1998 | US5722079 Two band 25 channel cordless telephone system |
| 02/24/1998 | US5722071 Portable receiver including transducer for notifying user of messages received in a remote mobile communications device |
| 02/24/1998 | US5722063 Method and apparatus for increasing receiver immunity to interference |
| 02/24/1998 | US5722062 Linear receiver having dual automatic gain control loops |
| 02/24/1998 | US5722061 Method and apparatus for increasing receiver immunity to interference |
| 02/24/1998 | US5722060 Radio receiver |
| 02/24/1998 | US5722054 Communication apparatus |
| 02/24/1998 | US5722053 Multiple frequency communication device |
| 02/24/1998 | US5722050 Transmitter-receiver system for use in an audio equipment |
| 02/24/1998 | US5722048 Apparatus for improving the signal to noise ratio in wireless communication systems through message pooling and method of using the same |
| 02/24/1998 | US5722046 Method of operation of a radio system |
| 02/24/1998 | US5722040 Method and apparatus of frequency generation for use with digital cordless telephones |
| 02/24/1998 | US5721806 Method for allocating optimum amount of bits to MPEG audio data at high speed |
| 02/24/1998 | US5721787 Speaker porting for a communication device |
| 02/24/1998 | US5721771 Hands-free speaking device with echo canceler |
| 02/24/1998 | US5721734 Code division multiple access unit and code division multiple access method |
| 02/24/1998 | US5721678 Arrangement for a use billing system |
| 02/24/1998 | US5721535 Tag responsive to high frequency for varying capacitance of capacitor in power source |
| 02/24/1998 | CA2153380C Antenna positioning apparatus |
| 02/24/1998 | CA2149050C Method and apparatus for controlling a peak envelope power of a power amplifier |
| 02/24/1998 | CA2147250C Method and apparatus in a communication device for automatic transfer of control from an internal processor to an external computer |
| 02/24/1998 | CA2114730C Apparatus for accepting and retaining an information card |
| 02/19/1998 | WO1998007269A1 Emergency location system and method |
| 02/19/1998 | WO1998007246A1 Communication apparatus and communication system |
| 02/19/1998 | WO1998007239A1 Body conformal portable radio and method of constructing the same |
| 02/19/1998 | WO1997050186A3 System and method for adaptive interference cancelling |
| 02/19/1998 | DE19711157A1 Case especially for mobile telecommunication apparatus |
| 02/19/1998 | DE19638404C1 Symbol value sequence evaluation method for CDMA receiver |
| 02/18/1998 | CN1173951A Method and appts. for parking a combiner filter and activating an alternate combiner filter at a radio base station |
| 02/18/1998 | CN1173797A Bit synchronization circuit and method |
| 02/17/1998 | US5720039 Satellite multiple access system with distortion cancellation and compression compensation |
| 02/17/1998 | US5719937 Multi-media copy management system |
| 02/17/1998 | US5719900 Dual-threshold spread spectrum correlator |
| 02/17/1998 | US5719899 Multiple access digital transmission system and a radio base station and a receiver for use in such a system |
| 02/17/1998 | US5719898 Fuzzy-logic spread-spectrum adaptive power control |
| 02/17/1998 | US5719857 Method and apparatus for implementing frequency-hopping in a base station |
| 02/17/1998 | US5719856 Transmitter/receiver interface apparatus and method for a bi-directional transmission path |
| 02/17/1998 | US5719852 Spread spectrum CDMA subtractive interference canceler system |
| 02/17/1998 | US5719827 Highly stable frequency generator |
| 02/17/1998 | US5719586 Spherical antenna pattern(s) from antenna(s) arranged in a two-dimensional plane for use in RFID tags and labels |