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)
11/1996
11/19/1996US5575544 Vehicle-mounted equipment anti-theft mechanism
11/19/1996CA2091504C Case for housing an electronic apparatus, and method and mold for molding the case
11/19/1996CA2074702C Programmable transponder
11/14/1996WO1996036145A1 Data transmission system with a low peak-to-average power ratio based on distorting frequently occurring signals
11/14/1996WO1996036144A1 Digital cdma multiplexer with adaptable number of channels
11/14/1996WO1996036137A2 A direct-sequence spread spectrum communication system, a primary radio station, and a secondary radio station
11/14/1996WO1996036132A1 Method and equipment for multirate coding and detection in a multiple access mobile communication system
11/14/1996WO1996036131A1 Spurious signal reduction in rf transmitter integrated circuits
11/14/1996WO1996036114A1 Bidirectional transmission line driver/receiver
11/14/1996WO1996036104A1 A direct conversion receiver
11/14/1996WO1996036098A1 Intelligent battery charging in a hand-held phone
11/14/1996DE19619304A1 Radio receiver with intermodulation prediction circuit
11/14/1996DE19510064A1 Satellite receiver for direct reception
11/14/1996CA2218861A1 Spurious signal reduction in rf transmitter integrated circuits
11/14/1996CA2216367A1 Bidirectional transmission line driver/receiver
11/13/1996EP0742668A2 Method for retrieving data signals from video or radio program channels
11/13/1996EP0742647A1 Receiving circuit
11/13/1996EP0742642A2 Level control circuit for receiver
11/13/1996EP0741932A1 Method and apparatus for a radio communication system
11/13/1996CN2240198Y Open convenient power case for handset
11/13/1996CN1135816A Receiver for multiplex broadcasting
11/13/1996CN1135815A Multipath search processor for a spread spectrum multiple access communication system
11/13/1996CN1135814A Receiving method and receiver of CDMA
11/13/1996CN1135812A Satellite communications adapter for cellular handset
11/13/1996CN1135707A Electronic device
11/13/1996CN1135696A Tuning circuit for receiver, especially for television receiver
11/13/1996CN1135688A 接收装置 Receiver
11/12/1996US5575001 Direct broadcasting satellite tuner with a negative feedback and image compression circuit
11/12/1996US5574997 Auto-selecting circuit of an intermediate frequency
11/12/1996US5574994 Method of correcting carrier leak in a transmitter
11/12/1996US5574992 Method and apparatus for reducing off-channel interference produced by a linear transmitter
11/12/1996US5574991 Transmission power control circuit
11/12/1996US5574990 Predistortion technique for communications systems
11/12/1996US5574987 Antenna switching apparatus
11/12/1996US5574986 Telecommunication system, and a first station, a second station, and a transceiver for use in such a system
11/12/1996US5574985 Radio transmitter receiver for operation in plural radio systems having unequal bands of operating frequencies represented by channel numbers
11/12/1996US5574979 Periodic interference avoidance in a wireless radio frequency communication system
11/12/1996US5574978 Interference cancellation system and radio system for multiple radios on a small platform
11/12/1996US5574972 Mobile radio system having power level control signalling
11/12/1996US5574967 Waste energy control and management in power amplifiers
11/12/1996US5574965 Local communication bus system and apparatuses for use in such a system
11/12/1996US5574964 Signal distribution system
11/12/1996US5574775 Universal wireless radiotelephone system
11/12/1996US5574749 Line interface apparatus and method for isolating data terminal equipment from the line
11/12/1996US5574748 Spread spectrum communications system for network
11/12/1996US5574747 Spread spectrum adaptive power control system and method
11/12/1996US5574721 Orthogonal code tracking system having phantom carrier signal
11/12/1996US5574718 Signal protection and monitoring system
11/12/1996US5574514 Audio/video device for a communication system
11/12/1996US5574405 Low noise amplifier/mixer/frequency synthesizer circuit for an RF system
11/12/1996CA2064758C Communication signal having a time domain pilot component
11/07/1996WO1996035293A1 Tv set top box using gps
11/07/1996WO1996035270A1 Method and apparatus for despreading spread spectrum signals
11/07/1996WO1996035268A1 Method of receiving and searching a signal transmitting in bursts
11/07/1996WO1996035267A1 Method and apparatus for providing acknowledgments within a communication system
11/07/1996WO1996035265A1 Spread spectrum communication network with adaptive frequency agility
11/07/1996WO1996035189A2 Communication data format
11/07/1996WO1996035152A1 Remote function-control system for computer peripherals
11/07/1996DE19532989C1 Multiplicative mixer with three or four-pole compensation stage
11/07/1996CA2219921A1 Spread spectrum communication network with adaptive frequency agility
11/06/1996EP0741495A2 Program-related information display method and apparatus
11/06/1996EP0741479A2 Cordless telephone apparatus having a remote control function for selecting a video program
11/06/1996EP0741469A2 Apparatus and methods for decoding a communication signal
11/06/1996EP0741468A2 Network karaoke system of broadcast type having supplementary communication channel
11/06/1996EP0741467A2 A method and apparatus for power control in wireless networks
11/06/1996EP0741464A2 Transceiver synchronisation in a frequency hopping wireless LAN
11/06/1996EP0741463A2 Half duplex RF transceiver having low transmit path signal loss
11/06/1996EP0741462A2 Portable wireless apparatus
11/06/1996EP0741461A1 Receiver for fm multiplex broadcasting with detachable storing medium
11/06/1996EP0741452A2 Attenuator unit, step attenuator, and electronic apparatus
11/06/1996EP0740887A1 Improvements in or relating to spread spectrum signalling schemes
11/06/1996EP0740865A1 Process for finding the receivability of radio signals in a radio system
11/06/1996EP0740864A1 Cdma receiving method, and receiver
11/06/1996EP0740857A1 Broadband aerial means
11/06/1996EP0716788A4 Apparatus for performing frequency conversion in a communication system
11/06/1996CN1135126A Frequency-modulation multiple station broadcast receiving circuit and receiver using circuit thereof
11/06/1996CN1135125A Radio communication apparatus and adjusting method thereof
11/06/1996CN1135124A Housing latch system utilizing elastomeric interlocking band
11/06/1996CN1135123A FM receiver and signal treatment device used for receiver thereof
11/06/1996CN1135119A Power sharing system for high power RF amplifier
11/05/1996US5572622 Rejected frame concealment
11/05/1996US5572516 Mobile unit communication system
11/05/1996US5572262 Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
11/05/1996US5572226 Spherical antenna pattern(s) from antenna(s) arranged in a two-dimensional plane for use in RFID tags and labels
11/05/1996US5572224 Multiple winding whip antenna assembly for radio circuit and method therefor
11/05/1996US5572223 Apparatus for multi-position antenna
11/05/1996US5572213 Parameter encoder architecture
11/05/1996US5572201 Alerting device and system for abnormal situations
11/05/1996US5572194 Broadcast receiver and signal reproduction apparatus controlled using RDS data
11/05/1996US5572171 Signal distribution system with plural lines segments in a path and having varying sensitivities
11/05/1996US5570827 Holster
11/05/1996CA2088280C Vehicle mounted adaptor for a portable radio transceiver
10/1996
10/31/1996WO1996034501A1 An autonomous remote measurement unit for a personal communications service system
10/31/1996WO1996034462A1 Full duplex ultrawide-band communication system and method
10/31/1996WO1996034461A1 Antenna guided power control
10/31/1996WO1996034460A1 Super low noise multicoupler
10/31/1996WO1996034453A1 Tunable interstage filter
10/31/1996WO1996034452A1 Agc circuit arrangement for a tuner
10/31/1996WO1996034374A2 Wireless communication system for reliable communication between a group of apparatuses
10/31/1996WO1996034299A1 Interrogator for electronic identification system
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