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

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)
11/1997
11/25/1997	US5691978 Self-cancelling full-duplex RF communication system
11/25/1997	US5691974 Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
11/25/1997	US5691730 Retractable broad-band antenna for portable telephones
11/25/1997	US5691729 Aperture-to-receiver gain equalization in multi-beam receiving systems
11/25/1997	US5691710 Self learning IR remote control transmitter
11/25/1997	US5691698 Identification and/or sensor system
11/25/1997	US5691676 Strip line filter, receiver with strip line filter and method of tuning the strip line filter
11/25/1997	US5690262 Pager mounting system
11/25/1997	CA2145652C Method and apparatus for controlling a peak envelope power of a pa
11/20/1997	WO1997043889A1 Apparatus for receiving and/or reproducing sound signals
11/20/1997	WO1997043864A1 Call forwarding function for a portable radio communications device
11/20/1997	WO1997043740A1 Radio frequency data communications device
11/20/1997	WO1997043736A1 Computer system linked by using information in data objects
11/20/1997	WO1997039550A3 Equalizer with a sequence estimation method with state reduction for a receiver in a digital transmission system
11/20/1997	WO1997036369A3 Oscillator
11/20/1997	DE19715542A1 Notebook computer has radio link, barcode reader and interface
11/20/1997	DE19709014C1 Television antenna distributor for satellite and terrestrial signals
11/20/1997	DE19619815A1 Rundfunkempfänger mit integrierter Fernsprecheinrichtung Radio receiver with integrated telephone device
11/20/1997	DE19619272A1 Automatic modulation method for electrical signal before transmission or storage
11/20/1997	DE19618532A1 Netzungebundene Telekommunikationsanlage Network-independent telecommunications system
11/19/1997	EP0808060A2 Amplifier circuit with filter for digital and analog signals
11/19/1997	EP0808041A2 Data processor for scrambling or descrambling supplementary data transmitted in a broadcast programme
11/19/1997	EP0808032A2 Spread spectrum modulator
11/19/1997	EP0808030A2 A radio frequency noise reduction arrangement
11/19/1997	EP0807989A1 Devices for transmitter path weights and methods therefor
11/19/1997	EP0807988A1 Coupling element for a radio telephone antenna
11/19/1997	EP0807350A1 Wrist-watch wireless telephone
11/19/1997	EP0807345A1 Data transmission method, transmitter, and receiver
11/19/1997	EP0807342A1 Dab receiver, apparatus and method for a format conversion of a dab data sequence
11/19/1997	EP0807338A1 Differential feed-forward amplifier power control for a radio receiver system
11/19/1997	EP0807337A1 Cooling system for telecommunication equipment arranged in a cabinet or similar
11/19/1997	EP0807331A1 Radio receiver with a potentiometer as volume regulator
11/19/1997	EP0807304A1 Time compression/expansion without pitch change
11/19/1997	EP0807286A1 Communication terminal device
11/19/1997	CN2268314Y Portable mobile-telephone-set charger suitable to multiple voltages
11/19/1997	CN1165598A Incoming calling system
11/19/1997	CN1165596A Transmission system using time dependent filter banks
11/19/1997	CN1165587A Dual-band antenna system
11/19/1997	CN1165466A Amplifier and portable telephone using the same
11/19/1997	CN1165465A Receiver integrated circuit for mobile telephone
11/19/1997	CN1165461A Telephone system and voice encoding/decoding method
11/19/1997	CN1165460A CDMA cellular radio transmission system
11/19/1997	CN1165447A Data receiving apparatus
11/19/1997	CN1165442A Wireless accompaniment apparatus
11/19/1997	CN1165431A Monolithic surface, acoustic wave duplexer
11/19/1997	CN1165430A Amplifier circuit for transmitter
11/19/1997	CN1165408A Battery latch for communication device
11/18/1997	US5689825 Method and apparatus for downloading updated software to portable wireless communication units
11/18/1997	US5689823 Radio having an option board interface and an option board for use therewith
11/18/1997	US5689822 Wireless coupled adapter for decoding information from a broadcast signal to which a radio is tuned
11/18/1997	US5689819 Transmitter-receiver
11/18/1997	US5689818 Mobile terminal device for telecommunications, including a switch circuit
11/18/1997	US5689817 RF duplexer bypassing techniques for transceivers
11/18/1997	US5689815 Saturation prevention system for radio telephone with open and closed loop power control systems
11/18/1997	US5689528 Decision feedback equalizer with adaptive filter array operating as feedforward filter of the equalizer
11/18/1997	US5689526 Method and apparatus for synchronizing a plurality of code division multiple access signals to enable acquisition and tracking based upon a single pseudonoise spreading code
11/18/1997	US5689525 Direct-sequence spread-spectrum communication system
11/18/1997	US5689524 PN code synchronizing method and transmitter and receiver in spread spectrum communication systems
11/18/1997	US5689513 Data transmission system having a backup testing facility
11/18/1997	US5689511 Data receiver for receiving code signals having a variable data rate
11/18/1997	US5689477 Method and apparatus for storing and presenting visual and audible information to an individual
11/18/1997	US5689440 Voice compression method and apparatus in a communication system
11/18/1997	US5689403 Intercooled electronic device
11/18/1997	US5689353 Remote control with two-way data coupling
11/18/1997	US5689244 Communication system and electronic apparatus
11/18/1997	US5689219 Summing network
11/18/1997	US5689081 Network karaoke system of broadcast type having supplementary communication channel
11/18/1997	US5688618 Millimeter wave device and method of making
11/18/1997	CA2150818C Automatic frequency control apparatus
11/18/1997	CA2106440C Method and apparatus for reducing correlated errors in subband coding systems with quantizers
11/16/1997	CA2205325A1 Spread spectrum modulator
11/13/1997	WO1997042721A1 Method and apparatus for detecting interference in a receiver for use in a wireless communication system
11/13/1997	WO1997042717A1 Telecommunications system not connected to the network
11/13/1997	WO1997042578A1 Method for selecting an electronic module from a plurality of modules present in the query field of a terminal
11/13/1997	WO1997042385A1 A wake-up detector system
11/13/1997	WO1997041774A1 A system for measuring and indicating changes in the resistance of a living body
11/13/1997	DE2738466C1 Radio system for digital information transmission
11/13/1997	DE2706616C1 Radio system for transmission of digital information
11/13/1997	DE19624092A1 Amplification circuit e.g. for analogue or digital hearing aid
11/13/1997	DE19618148A1 High-frequency band-pass signal digitalisation method
11/12/1997	EP0806844A1 Diversity receiver and control method therefor
11/12/1997	EP0806842A1 Method for operating a network of secondary users
11/12/1997	EP0806841A1 Elimination of D.C. offset and spurious AM suppression in a direct conversion receiver
11/12/1997	EP0806840A2 Radio frequency transceiver and subassemblies thereof
11/12/1997	EP0806809A1 Hand-held communication equipment with a radiation shielding antenna apparatus
11/12/1997	EP0806121A1 Method and apparatus for providing redundant radio coverage within a cellular communication system
11/12/1997	EP0806119A1 Method and arrangement for inteference-protected power supply
11/12/1997	EP0806091A1 Transmission system for a non linear transmission medium
11/12/1997	EP0806089A1 A method and circuit for creating a modulated signal in a transceiver
11/12/1997	EP0806087A1 Method and apparatus for a linear transmitter
11/12/1997	EP0806082A1 Wide frequency spectrum television tuner with single local oscillator
11/12/1997	EP0806081A1 Circuit for briefly muting the reproduction of a low-frequency signal in a radio receiver
11/12/1997	EP0806079A1 Transmission and reception of cpm spread-spectrum communications
11/12/1997	EP0805988A1 Method for automatically lowering the acquisition and tracking thresholds of spread spectrum codes received in orbit
11/12/1997	EP0671097B1 Radio system and mobile station with user-selectable operating mode
11/12/1997	CN2267580Y Keyboard structure for paging device
11/12/1997	CN2267579Y High sound frequency remote control arrangement
11/12/1997	CN1164943A Code acquisition in cdma communication system using multiple walsh channel
11/12/1997	CN1164942A Digital transmission system, transmitter, receiver, equivalent analog signal, and transmission method
11/12/1997	CN1164795A Input circuit for television tuner

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