| 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) |
|---|
| 02/25/1997 | CA2085722C Use of a vcxo in the base unit of a two-handset cordless telephone system |
| 02/25/1997 | CA2067301C Receiver having an individual selective call function and a security function for preventing unauthorized use of the receiver |
| 02/24/1997 | CA2183938A1 Data rate estimating device |
| 02/23/1997 | CA2179552A1 Low noise amplifier/mixer/frequency synthesizer circuit for an rf system |
| 02/20/1997 | WO1997006612A1 Process and device for displaying on the display of a wireless receiver the name of a broadcasting station and the type of broadcast program transmitted in a digital data telegram from a wireless broadcasting station |
| 02/20/1997 | WO1997006609A1 Synchronization to pseudo random number sequence with sign ambiguity in communications systems |
| 02/20/1997 | WO1997006608A1 Commonly coupled high frequency transmitting/receiving switching module |
| 02/20/1997 | WO1997006607A1 Automatic tuning of a radio transceiver |
| 02/20/1997 | WO1997006606A1 Cryolectronic receiver front end for mobile radio systems |
| 02/20/1997 | WO1997006604A1 Universal rf receiver |
| 02/20/1997 | WO1997006447A1 Short range radio locator system |
| 02/20/1997 | WO1997006446A2 Multipath error reduction in a spread spectrum receiver for ranging applications |
| 02/20/1997 | WO1997005760A2 Ultra-wideband directional sampler |
| 02/20/1997 | WO1997003511A3 Hand-held radiotelephone |
| 02/20/1997 | WO1997002678A3 Communication system with sliding frequency, and transceiver for the system |
| 02/20/1997 | WO1997002665A3 Automatic power control system for a code division multiple access (cdma) communications system |
| 02/20/1997 | WO1996041425A3 Direct sequence frequency ambiguity resolving receiver |
| 02/20/1997 | WO1996038938A3 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system |
| 02/20/1997 | DE19530721A1 Control unit e.g. for motor vehicle electric windows, anti-theft warning and locks |
| 02/20/1997 | CA2229069A1 Multipath error reduction in a spread spectrum receiver for ranging applications |
| 02/20/1997 | CA2227869A1 Universal rf receiver |
| 02/19/1997 | EP0758823A2 Spread spectrum communication system |
| 02/19/1997 | EP0758821A2 Receiving circuit for a portable telephone set |
| 02/19/1997 | EP0758768A2 An apparatus and method of providing an extremely low-power self-awakening function to a processing unit of a communication system |
| 02/19/1997 | EP0758504A1 A direct sequence cdma coherent uplink detector |
| 02/19/1997 | EP0758501A1 Adaptive predistorter |
| 02/19/1997 | EP0758475A1 A method for reading a plurality of remote meters |
| 02/19/1997 | CN1143433A Method for providing hand-offs in frequency hopping communication system |
| 02/19/1997 | CN1143432A Local oscillator phase noise cancelling modulation technique |
| 02/19/1997 | CN1143302A Foldable telephone set with integrated moveable lid and casing and switch driver and braking mechanism |
| 02/19/1997 | CN1143285A Station selecting and processing device for mobile FM receivor |
| 02/18/1997 | US5604929 System for correcting quadrature gain and phase errors in a direct conversion single sideband receiver independent of the character of the modulated signal |
| 02/18/1997 | US5604927 Receiver having an adjustable bandwidth filter |
| 02/18/1997 | US5604926 Phase locked loop circuit current mode feedback |
| 02/18/1997 | US5604925 Super low noise multicoupler |
| 02/18/1997 | US5604924 Radio communication apparatus in which output power is controlled by pulse width modulation using a mobile attenuation code |
| 02/18/1997 | US5604808 FM signal processor |
| 02/18/1997 | US5604768 Frequency synchronized bidirectional radio system |
| 02/18/1997 | US5604767 Spread spectrum spectral density techniques |
| 02/18/1997 | US5604747 Modular contiguous output multiplexer |
| 02/18/1997 | US5604746 Digital data receiver |
| 02/18/1997 | US5604732 Up-link access apparatus in direct sequence code division multiple access system |
| 02/18/1997 | US5604666 Outdoor communication device having disk-like mounting portion, units stacked on the mounting portion, and fixing members for fixing the units on the mounting portion |
| 02/18/1997 | US5604493 Security system transmitter with opposed concave actuators |
| 02/18/1997 | US5603630 Adaptor system between an antenna plug and a radiotelephone socket |
| 02/18/1997 | US5603515 Cylinder head sealing system with carrier plate and removable engine sealing gaskets |
| 02/18/1997 | CA2098578C Antenna pattern selection for optimized communications and avoidance of people |
| 02/15/1997 | CA2155996A1 Multi-stage transponder wake-up, method and structure |
| 02/13/1997 | WO1997005753A1 Method and apparatus for system determination in a multi-mode subscriber station |
| 02/13/1997 | WO1997005730A1 Assessment of signal quality |
| 02/13/1997 | WO1997005711A1 Self-interference cancellation for two-party relayed communication |
| 02/13/1997 | WO1997005709A1 Adaptive despreader |
| 02/13/1997 | WO1997005708A1 Method and apparatus for cdma signal orthogonalization |
| 02/13/1997 | WO1997005707A1 Process and device for reducing common channel interference in cellular jd-cdma radio systems |
| 02/13/1997 | WO1997005706A1 Method and apparatus for indicating an operable or non-operable connection between a portable radio and a vehicle kit |
| 02/13/1997 | WO1997005705A1 Amps a-band single superhet |
| 02/13/1997 | WO1997005704A1 Multi-channel transceiver having an adaptive antenna array and method |
| 02/13/1997 | WO1997005559A1 Frequency detection |
| 02/13/1997 | WO1997005504A1 Radiofrequency interface device for a transponder |
| 02/13/1997 | WO1997002714A3 Code division multiple access (cdma) communication system |
| 02/13/1997 | DE19529075A1 Verfahren und Vorrichtung zur Anzeige des in einem digitalen Datentelegramm eines Rundfunksenders übertragenen Sendernamens und der Programmart auf einem Rundfunkempfängerdisplay Method and apparatus for displaying the data transmitted in a digital data telegram of a radio transmitter station name and the type of program on a broadcast receiver display |
| 02/13/1997 | CA2228697A1 Radiofrequency interface device for a transponder |
| 02/13/1997 | CA2228131A1 Adaptive despreader |
| 02/13/1997 | CA2227427A1 Method and apparatus for indicating an operable or non-operable connection between a portable radio and a vehicle kit |
| 02/13/1997 | CA2227143A1 Self-interference cancellation for two-party relayed communication |
| 02/13/1997 | CA2226897A1 Digital filter |
| 02/12/1997 | EP0758168A1 Variable rate transmitting method, and transmitter and receiver using it |
| 02/12/1997 | EP0758163A1 Improved distortion creation and reduction circuit |
| 02/12/1997 | EP0757858A1 Method and apparatus for automatic gain control in a digital receiver |
| 02/12/1997 | EP0513313B1 Method for resetting the local oscillators of a receiver and device for implementing such method |
| 02/12/1997 | EP0477288B1 Paging system with energy efficient station location |
| 02/12/1997 | CN1142729A Decoder for compressed digit signals |
| 02/12/1997 | CN1142721A Signal communication system capable of recognizing reception of reception desired signal |
| 02/12/1997 | CN1142711A Recceiver for extending dynamic range of received signal strength indicator for use in cellular communication system |
| 02/12/1997 | CN1034044C Switch circuit and method therefor |
| 02/11/1997 | US5603114 Distortionless receiving circuit |
| 02/11/1997 | US5603111 Synchronous tracking AM receiver |
| 02/11/1997 | US5603110 Process and arrangement for compensating adjacent-channel interference in a double-sideband amplitude modulation system |
| 02/11/1997 | US5603109 Automatic frequency control which monitors the frequency of a voltage controlled oscillator in a PLL demodulator |
| 02/11/1997 | US5603108 Control section for an RDS-TMC radio receiver |
| 02/11/1997 | US5603106 Adjustable transmission power control circuit |
| 02/11/1997 | US5603105 Baseband signal processing circuit for a radio communication apparatus |
| 02/11/1997 | US5603103 Radio telephone with compliant shield and method |
| 02/11/1997 | US5603101 Method of and apparatus for displaying temperature on a radio telephone |
| 02/11/1997 | US5603100 Portable telephone with speaker projected in front upper oblique direction |
| 02/11/1997 | US5603099 Transceiver for preventing the degradation of reception sensitivity and modulation accuracy of a transmitted signal when an external reference signal incorporates noise |
| 02/11/1997 | US5603098 Integrated radiating and coupling device for duplex communications |
| 02/11/1997 | US5603097 Digital radio system capable of high-speed frequency changing at low power consumption |
| 02/11/1997 | US5603087 Interference detection technique |
| 02/11/1997 | US5603000 Integrated circuit memory with verification unit which resets an address translation register upon failure to define one-to-one correspondences between addresses and memory cells |
| 02/11/1997 | US5602922 Method and apparatus for processing an audio signal by surround modes |
| 02/11/1997 | US5602912 Telephone hybrid circuit |
| 02/11/1997 | US5602874 Method and apparatus for reducing quantization noise |
| 02/11/1997 | US5602868 Multiple-modulation communication system |
| 02/11/1997 | US5602854 Wireless personal local area network utilizing removable radio frequency modules with digital interfaces and idle sense communication protocol |
| 02/11/1997 | US5602847 Segregated spectrum RF downconverter for digitization systems |
| 02/11/1997 | US5602832 Receiver device for code division multiplex communication system |
| 02/11/1997 | US5602546 Method and apparatus for the rapid testing and elimination of hypothesis code sequences |
| 02/11/1997 | US5602538 Apparatus and method for identifying multiple transponders |
| 02/11/1997 | US5602484 Delay-spread sensor and detection switching circuit using the same |