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)
05/1996
05/22/1996CN1123073A Method and apparatus for providing a communication link quality indication
05/22/1996CN1122993A Transmitting/receiving signal processing circuit in digital cordless telephone
05/22/1996CN1122974A Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode
05/22/1996CN1031843C A pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacin g between early and late correctors
05/21/1996US5519890 Method of selectively reducing spectral components in a wideband radio frequency signal
05/21/1996US5519888 Receiver incorporating an other users noise simulator (OUNS) for use in a communication system
05/21/1996US5519887 Switchable filter phase-locked loop frequency synthesizer device and method for achieving dual-mode cellular communications
05/21/1996US5519886 Method and apparatus for controlling device temperature during transmissions
05/21/1996US5519885 Method to generate different frequency signals in a digital radio telephone
05/21/1996US5519757 Wireless telephone set
05/21/1996US5519736 Synchronous pseudo-noise code sequence generation circuit
05/21/1996US5519730 Communication signal having a time domain pilot component
05/21/1996US5519727 Adaptive equalizer
05/21/1996US5519725 Geometric harmonic modulation (GHM) for combined analog/digital transmissions
05/21/1996US5519718 Remote unit for use with remote pager
05/21/1996US5519717 Method for time drift reduction of frequency hopping network clock
05/21/1996US5519711 Switch-mode power supply for time division multiple access radio phone systems
05/21/1996US5519702 Digital communication system
05/21/1996US5519692 Geometric harmonic modulation (GHM)-digital implementation
05/21/1996US5519457 Remote controller apparatus and an audio-video combination system using the same
05/21/1996US5519402 Doppler shift compensation apparatus
05/21/1996US5519394 Coding/decoding apparatus and method
05/21/1996US5519386 Data exchange system
05/21/1996US5519385 Circuit for switching signal processing circuits
05/21/1996US5519381 Detection of multiple articles
05/21/1996US5519376 Antitheft apparatus for automotive vehicle
05/21/1996US5519364 High-frequency switch
05/21/1996US5519346 Selective restart circuit for an electronic device
05/21/1996CA2059189C Adapter unit for adaptively supplying a portable radio telephone with power
05/17/1996WO1996014716A1 Selective call system
05/17/1996WO1996014697A1 Correlation system for use in wireless direct sequence spread spectrum systems
05/17/1996WO1996014695A1 Encoding and decoding of a wideband digital information signal
05/17/1996WO1996014693A1 Differential feed-forward amplifier power control for a radio receiver system
05/17/1996WO1996014691A1 Method and apparatus for a linear transmitter
05/17/1996WO1996008877A3 Hitless ultra small aperture terminal satellite communication network
05/15/1996EP0712226A1 Battery pack for a mobile telephone
05/15/1996EP0712218A1 A method and an arrangement for sound reconstruction during erasures
05/15/1996EP0712214A2 Satellite communication power management system
05/15/1996EP0712213A2 An integrated circuit that performs multiple communication tasks
05/15/1996EP0712212A2 Conformal antenna for wireless local area network transceivers
05/15/1996EP0712210A1 Transmission circuit for data in asynchronous mode via a free receiving frequency coupled with the sending frequency
05/15/1996EP0712104A2 Multi-channel transponder with channel amplification at a common lower frequency
05/15/1996EP0711477A1 Method for synchronizing subscriber equipments, a base station and a subscriber equipment
05/15/1996EP0711473A1 Ambiguity resolution in direct sequence spread spectrum modulation systems
05/15/1996EP0711417A1 Method and apparatus for controlling the exposure to rf transmissions
05/15/1996DE4440113A1 Amplitude-keyed VHF or UHF signal receiver
05/15/1996DE19520180A1 Fernbedienung für ein Empfangsgerät Remote control for a receiver
05/15/1996CN1122560A Method of and apparatus for displaying temperature on a radio telephone
05/15/1996CN1122542A Radio transmission output control circuit for TDMA communication
05/15/1996CN1122536A 无线电接收机 Radio receiver
05/15/1996CA2158774A1 Method and circuit for creating frequencies for a radio telephone
05/15/1996CA2158773A1 Method and circuit for regulating the power of and linearizing a transmission signal of a radio device
05/14/1996US5517687 Subharmonic image rejection and image enhancement mixer
05/14/1996US5517686 Diversity receiver for FM stereo utilizing a pilot tone multiple for phase alignment of received signals
05/14/1996US5517684 Radio communication system having current control circuit
05/14/1996US5517683 Conformant compact portable cellular phone case system and connector
05/14/1996US5517682 Class I cellular mobile telephone apparatus
05/14/1996US5517679 Mobile radio telecommunications system with a battery saving
05/14/1996US5517676 Portable radio and telephones having notches therein
05/14/1996US5517531 Kernel adaptive interference suppression system
05/14/1996US5517521 Method and apparatus for synchronization between real-time sampled audio applications operating full-duplex over a half-duplex radio link
05/14/1996US5517518 Method and arrangement for recognition of a coded transmitted signal
05/14/1996US5517505 Synchronization method and apparatus for a wireless packet network
05/14/1996US5517500 Packet handling method
05/14/1996US5517434 Data capture system with communicating and recharging docking apparatus and hand-held data terminal means cooperable therewith
05/14/1996US5517345 Electronic apparatus for an automobile
05/14/1996US5517256 Reservation codes to automatically control a TV and VCR when set to either a TV mode or a VCR mode
05/14/1996US5517198 Ultra-wideband directional sampler
05/14/1996US5517179 Signal-powered frequency-dividing transponder
05/14/1996CA2086009C Power control of a direct sequence cdma radio
05/10/1996CA2135434A1 Vibrator alerters
05/09/1996WO1996013897A1 Communication device with reduced sensitivity to in-channel interference
05/09/1996WO1996013804A1 Contactless energy and data transmission system
05/09/1996WO1996013793A1 Method of making radio frequency identification tags
05/09/1996WO1996013792A1 Contactless energy and data transmission system
05/09/1996DE4438287C1 System zur kontaktlosen Energie- und Datenübertragung System for contactless energy and data transmission
05/09/1996DE4438286C1 System zur kontaktlosen Energie- und Datenübertragung System for contactless energy and data transmission
05/09/1996CA2160276A1 Satellite communication power management system
05/08/1996EP0730796A4 Apparatus and methods for displaying text in conjunction with recorded audio programs
05/08/1996EP0711089A2 Energy saving protocol for a communication system
05/08/1996EP0711057A2 A cordless telephone arranged for operating with multiple portable units in a frequency hopping system
05/08/1996EP0711056A2 Transmission bit rate discrimination method and apparatus
05/08/1996EP0711044A2 Channel estimation in a CDMA receiver using multiple access interference cancellation
05/08/1996EP0711040A1 Frequency generator wit a high stability
05/08/1996EP0710999A1 Installation structure of an outdoor communication device
05/08/1996EP0710908A2 A co-processor that performs multiple communication tasks on an integrated circuit
05/08/1996EP0710907A2 Integrated circuit to perform multiple communication tasks
05/08/1996EP0710853A2 Transponder system
05/08/1996EP0710412A1 A radio housing assembly with a plugable control module
05/08/1996EP0710411A1 A method for a transmitter to compensate for varying loading without an isolator
05/08/1996CN1122176A Adaptive spread spectrum receiver
05/08/1996CN1122174A Carry case
05/08/1996CN1122091A Communication system interconnecting telephone line and signgle-frequency simultaneous transmission/reception radio system
05/08/1996CN1122083A Portable telephone apparatus which can be connected to an external apparatus without using an adapter
05/08/1996CN1122074A Radio set with antenna
05/08/1996CN1122056A Method and apparatus for multi-position antenna
05/08/1996CA2162066A1 Alert receiver
05/07/1996US5515429 Backup apparatus against line defect and backup method against line defect
05/07/1996US5515369 Method for frequency sharing and frequency punchout in frequency hopping communications network
05/07/1996US5515364 Radio frequency telecommunications transceiver
1 ... 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 ... 1886