Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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)
10/1996
10/16/1996CN2237907Y In-line wireless transceiver
10/16/1996CN2237906Y Dual-purpose apparatus for calling and radio
10/16/1996CN2237905Y Pocket charging radio
10/16/1996CN2237904Y Wireless ear piece for TV set
10/16/1996CN1133658A Quadrature multiplexing of two data signals spread by different pnsquences
10/16/1996CN1133656A Digital radio link system and radio link terminal
10/16/1996CN1133521A Communication device
10/16/1996CN1133514A Module interconnected matrix for matrix connecting multiple antenna and radio channel unit
10/16/1996CN1133513A Data transmitter and receiver for pilot frequency channel adopted expanded frequency spectrum communication system
10/16/1996CN1033063C Power-saving operation method for pager
10/15/1996US5566365 Active filter circuit and portable telephone apparatus
10/15/1996US5566363 Transmission power control circuit and mobile communication system incorporating the circuit
10/15/1996US5566362 Wireless voice transmission system
10/15/1996US5566361 Antenna operating mechanism for a portable radio communication apparatus
10/15/1996US5566360 Transmitter/receiver configuration for higher frequencies
10/15/1996US5566359 Prevention of simultaneous transmitter operation in a ground radio transmitting and receiving apparatus
10/15/1996US5566226 Portable telephone apparatus which can be connected to an external apparatus without using an adapter
10/15/1996US5566224 Radio frequency communication device including a mirrored surface
10/15/1996US5566210 Data receiving apparatus
10/15/1996US5566205 Radio transceiver with keyboard control
10/15/1996US5566202 System using a split correlator for frequency compensating a phase modulated pseudonoise sequence signal
10/15/1996US5566201 Digital AGC for a CDMA radiotelephone
10/15/1996US5566154 Digital signal processing apparatus, digital signal processing method and data recording medium
10/15/1996US5565929 Audio-visual control apparatus for determining a connection of appliances and controlling functions of appliances
10/15/1996US5565923 Apparatus for formatting a digital signal to include multiple time stamps for system synchronization
10/15/1996US5565857 Electronic indentification system having remote automatic response capability and automatic identification method thereof
10/15/1996US5565805 Change-over divider for use in satellite broadcast receiving system
10/15/1996CA2174197A1 Pll circuit and method
10/15/1996CA2070603C Speech coders based on analysis-by-synthesis techniques
10/12/1996CA2173791A1 Delay locked loop for use in a gps signal receiver
10/10/1996WO1996032000A1 A motorcycle-shaped radio/cassette player
10/10/1996WO1996031959A1 Artificial window size interrupt reduction system for cdma receiver
10/10/1996WO1996031957A1 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception
10/10/1996WO1996031943A2 Quadrature signal conversion device
10/10/1996WO1996031942A1 Multiple access up converter/modulator and method
10/10/1996WO1996027242A3 Radio frequency transceiver system for digital communication
10/10/1996DE19549356A1 Linear amplifying appts. for use in cellular radio communications
10/09/1996EP0736985A2 FM broadcast receiver for receiving multiplexed character data
10/09/1996EP0736982A2 Digital radio system including repeater equipment, end equipment, and receiver
10/09/1996EP0736978A2 Radio communication transceiver
10/09/1996EP0736851A2 Transmission method and receiving apparatus of emergency information which is frequency-multiplexed on an FM broadcast radio wave
10/09/1996EP0555289B1 Channel equalisation in particular for fading channels
10/09/1996CN2237312Y Signal mutual transfer device for mobile telephone in room and out room
10/09/1996CN1133108A Protection switching apparatus and method
10/09/1996CN1132967A Control apparatus and control method for attenuating radio signal
10/09/1996CN1132962A Highly stable frequency generator
10/09/1996CN1132890A Device for locating moving body having response unit
10/08/1996US5564101 Method and apparatus for transmitter for universal garage door opener
10/08/1996US5564099 Radio signal reception with a PLL frequency controlled for an IF signal depending on coexistence of a spurious signal with the radio signal
10/08/1996US5564098 Ultra low-power integrated circuit for pseudo-baseband down-conversion of GPS RF signals
10/08/1996US5564097 Spread intermediate frequency radio receiver with adaptive spurious rejection
10/08/1996US5564096 Wristwatch radio communication device having an improved noise shielding structure
10/08/1996US5564095 RFI suppression by cascading nonlinear devices
10/08/1996US5564094 Radio receiver providing reduced intermodulation distortion
10/08/1996US5564093 Frequency modulation receiving apparatus having two intermediate-frequency band pass filters
10/08/1996US5564092 Differential feed-forward amplifier power control for a radio receiver system
10/08/1996US5564087 Method and apparatus for a linear transmitter
10/08/1996US5564086 Method and apparatus for enhancing an operating characteristic of a radio transmitter
10/08/1996US5564085 Cellular telephone RF radiation ameliorating device
10/08/1996US5564083 Antenna element mounting in a radio
10/08/1996US5564082 Diversity antenna for a wrist telephone
10/08/1996US5564078 Portable radio apparatus with a folding structure
10/08/1996US5564076 Portable digital signal transceiver providing communication via a terrestrial network and via a satellite network
10/08/1996US5564020 Apparatus for reducing interference between a computer device and a radio transceiver utilizing separated units with an infrared link
10/08/1996US5563952 Automatic dynamic VOX circuit
10/08/1996US5563951 For use with a communication device
10/08/1996US5563913 For processing an input digital signal
10/08/1996US5563910 Recursive baud rate detection method and apparatus
10/08/1996US5563907 For use with a transmitter
10/08/1996US5563906 Method of geometric harmonic modulation (GHM)
10/08/1996US5563886 Address assignment and control of a single connection terminal device on a bus
10/08/1996US5563618 Portable communication device
10/08/1996US5563614 Low noise dual polarization electromagnetic power reception and conversion system
10/08/1996US5563537 Frequency-controlled circuit
10/08/1996US5562467 Electrical interface seal
10/08/1996US5562223 Casing for a miniature portable apparatus
10/08/1996CA2170297A1 Radio communication transceiver
10/08/1996CA2058120C Method and system for making bipolar switching to protection channel
10/03/1996WO1996031068A1 Adapter module for direct-to-home television broadcast receiving system
10/03/1996WO1996031032A1 Process for synchronising the block counter in an rds radio data receiver
10/03/1996WO1996031021A1 Infrared backbone communication network having a radio frequency backup channel
10/03/1996WO1996031014A1 Method and apparatus for performing power control in a mobile communication system
10/03/1996WO1996031010A1 Process and receiver for the reconstruction of signals distorted by multi-directional diffusion
10/03/1996WO1996031009A1 Cellular communications power control system
10/03/1996WO1996031001A1 Digital filter
10/03/1996WO1996030894A1 Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
10/03/1996WO1996030826A1 Method of processing a signal
10/03/1996WO1996030771A2 Narrow field electromagnetic sensor system and method
10/03/1996WO1996022661A3 Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase time and energy
10/03/1996CA2215976A1 Adapter module for direct-to-home television broadcast receiving system
10/03/1996CA2191592A1 Infrared backbone communication network having a radio frequency backup channel
10/02/1996EP0735787A2 Selective call receiver for FM multiplexer broadcast
10/02/1996EP0735750A2 Program guide signal receiver for television
10/02/1996EP0735715A2 Radio communication terminal station
10/02/1996EP0735699A2 Speech signal processing circuit for decoding coded speech signal and speech signal processing method therefor
10/02/1996EP0735698A2 Portable telephone set of a foldable type with earphone jumping up from telephone housing upon unfolding the telephone set
10/02/1996EP0735697A2 Circulator device
10/02/1996EP0735675A2 Radio communication apparatus and adjusting method thereof
10/02/1996EP0735670A2 Transmit power level detection circuit with enhanced gain characteristics
10/02/1996EP0735642A1 Power supply circuit having an auxiliary power source for compensating for main power drop
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