| 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) |
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| 07/05/1995 | EP0661829A2 Direct sequence spread spectrum receiver using pilot signal averaged over a fixed moving time interval |
| 07/05/1995 | EP0661828A2 Spread spectrum signal reception with differential demodulation |
| 07/05/1995 | EP0661827A2 Subband filtering using inverse discrete cosine transform |
| 07/05/1995 | EP0661826A2 Perceptual subband coding in which the signal-to-mask ratio is calculated from the subband signals |
| 07/05/1995 | EP0661825A1 Portable radio apparatus with rotating antenna |
| 07/05/1995 | EP0661824A1 Foldable portable telephone with improved antenna gain |
| 07/05/1995 | EP0661823A1 Portable radio communication apparatus |
| 07/05/1995 | EP0661822A1 Circuit for suppressing noises |
| 07/05/1995 | EP0661821A1 Encoding and decoding apparatus causing no deterioration of sound quality even when sinewave signal is encoded |
| 07/05/1995 | EP0661689A2 Noise reducing method, noise reducing apparatus and telephone set |
| 07/05/1995 | EP0660985A1 Adaptive data recovery for spread spectrum systems |
| 07/05/1995 | EP0660983A1 Method and apparatus for separating channels from a radio frequency transmitter |
| 07/05/1995 | EP0393089B1 Transponder |
| 07/05/1995 | CN1104820A Detectors |
| 07/05/1995 | CN1104819A Selective-calling radio receiver |
| 07/04/1995 | US5430894 Radio receiver noise suppression system |
| 07/04/1995 | US5430893 For processing an input signal |
| 07/04/1995 | US5430892 Receiver having an individual selective call function and a security function for preventing unauthorized use of the receiver |
| 07/04/1995 | US5430891 Tuning detection circuit for a high-frequency receiver, and receiver including such detection circuit |
| 07/04/1995 | US5430890 Radio receiver for mobile reception with sampling rate oscillator frequency being an integer-number multiple of reference oscillation frequency |
| 07/04/1995 | US5430889 Automatic power control system for a mobile radio system |
| 07/04/1995 | US5430775 Method and apparatus for a radio communication system |
| 07/04/1995 | US5430770 Method and apparatus for composite signal separation and PSK/AM/FM demodulation |
| 07/04/1995 | US5430766 Burst mode digital data receiver |
| 07/04/1995 | US5430759 Low-power frequency-hopped spread spectrum reverse paging system |
| 07/04/1995 | US5430416 Power amplifier having nested amplitude modulation controller and phase modulation controller |
| 07/04/1995 | US5430410 Amplifier bias control system |
| 07/04/1995 | US5429363 Radio transmission system for TV game machine |
| 07/04/1995 | CA2048646C Fractional n/m synthesis |
| 06/30/1995 | CA2139191A1 Transmit reference oscillator of a vsat for satellite communications |
| 06/29/1995 | WO1995017793A1 Device for programming a receiving device by means of a smart card reader |
| 06/29/1995 | WO1995017786A1 An apparatus and method for digitally processing signals in a radio frequency communication system |
| 06/29/1995 | WO1995017785A1 Direct conversion cdma receiver |
| 06/29/1995 | WO1995014289A3 Identification/authentication coding method and apparatus |
| 06/29/1995 | DE4446298A1 Programm-Reservierungssystem Program Reservation System |
| 06/29/1995 | DE4445342A1 Redn. of current consumption of radio telephone used in mobile system |
| 06/29/1995 | DE4344529A1 Wearable radiotelephone set with clip on one side of elongated housing |
| 06/29/1995 | DE4344249A1 Battery-powered transceiver with replaceable radio equipment unit |
| 06/28/1995 | EP0660559A1 Multicarrier frequency-hopping communication system |
| 06/28/1995 | EP0660542A1 Sytem for wireless information transmission between two different rooms |
| 06/28/1995 | EP0660541A2 PN code synchronizing method and transmitter and receiver in spread spectrum communication systems |
| 06/28/1995 | EP0660540A2 Decoder for decoding an encoded digital signal and a receiver comprising the decoder |
| 06/28/1995 | EP0660539A2 RF Receiver using IF amplifier operative during low level reception |
| 06/28/1995 | EP0660538A2 Remote control system |
| 06/28/1995 | EP0660537A1 Remote control devices for electronic devices |
| 06/28/1995 | EP0660536A2 Microcomputer-based carrier detection system for a cordless telephone |
| 06/28/1995 | EP0660511A2 Automatic gain control in radio receivers |
| 06/28/1995 | EP0660505A2 Error-free pulse noise canceler used in FM tuner |
| 06/28/1995 | EP0660504A1 Oscillator circuit |
| 06/28/1995 | EP0660288A1 Control module for a RDS-TMS radio receiver |
| 06/28/1995 | EP0660246A2 Signal processor |
| 06/28/1995 | EP0659317A1 Cdma transmission system |
| 06/28/1995 | EP0659315A1 Shock isolation for selective call receivers |
| 06/28/1995 | EP0413707B1 Time domain radio transmission system |
| 06/28/1995 | CN2202380Y Emergency supply for wireless telephone |
| 06/28/1995 | CN2202379Y Charging and power supply unit for movable telephone set |
| 06/28/1995 | CN1104392A Apparatus and method for identifying broadcast programs and accessing information relating thereto |
| 06/28/1995 | CN1029182C Noise eliminating element and electrical circuit having same |
| 06/27/1995 | US5428839 Planar magic-tee double balanced mixer |
| 06/27/1995 | US5428836 Radio receiver for forming a baseband signal of time-varying frequencies |
| 06/27/1995 | US5428835 AM receiver on semi-conductor with internally generated oscillation signal representing if band pass filter center frequency deviation |
| 06/27/1995 | US5428833 Arrangement for suppressing spurious signals occurring in the reception signal of a receiver of a high-frequency message transmission system |
| 06/27/1995 | US5428832 Noise suppression apparatus |
| 06/27/1995 | US5428831 Signal path length correlator and method and an interference cancellation system using the same |
| 06/27/1995 | US5428830 Concealed antenna system with remote variable gain RF amplifier |
| 06/27/1995 | US5428827 Radio receiver with a radio data signal (RDS) decoder |
| 06/27/1995 | US5428826 High-speed scanning radio receiver |
| 06/27/1995 | US5428825 Method of selecting receiving frequency for RDS receiver |
| 06/27/1995 | US5428824 Radio transceiver capable of avoiding intermodulation distortion |
| 06/27/1995 | US5428820 Adaptive radio receiver controller method and apparatus |
| 06/27/1995 | US5428666 Automatic number assignment module selection for mobile telephone |
| 06/27/1995 | US5428647 Method and apparatus for synchronizing a received signal in a digital radio communication system |
| 06/27/1995 | US5428638 Method and apparatus for reducing power consumption in digital communications devices |
| 06/27/1995 | US5428637 Method for reducing synchronizing overhead of frequency hopping communications systems |
| 06/27/1995 | US5428636 Radio frequency local area network |
| 06/27/1995 | US5428602 Frequency-hopping arrangement for a radio communication system |
| 06/27/1995 | US5428593 Digital audio signal transforming method and apparatus |
| 06/27/1995 | US5426825 Device and method for flexibly attaching a pager |
| 06/22/1995 | WO1995017058A2 Local communication system including means for displaying messages |
| 06/22/1995 | WO1995017057A2 Local communication system including means for dividing messages into display field portions |
| 06/22/1995 | WO1995017056A2 Local communication system including means for time limiting of message displays |
| 06/22/1995 | WO1995017047A1 Radio transceiver comprising an arrangement for compensating for a dc component |
| 06/22/1995 | WO1995017045A1 Mobile cordless telephone |
| 06/22/1995 | WO1995017044A1 Average rf exposure control |
| 06/22/1995 | WO1995017043A1 Apparatus and method for controlling the loop bandwidth of a phase locked loop |
| 06/22/1995 | WO1995017042A1 An amplifier for use in a radiotelephone |
| 06/22/1995 | DE4343294A1 Hand-held radio communicator or telephone |
| 06/21/1995 | EP0658991A1 Mobile communication system capable of transmitting and receiving a radio signal obtained by TDMA and CDMA without interference |
| 06/21/1995 | EP0658985A2 CDMA receiver base station having common control channel |
| 06/21/1995 | EP0658984A2 Perceptual audio coding allocating non-used bits to data channel |
| 06/21/1995 | EP0658878A2 System for transmitting a speech signal |
| 06/21/1995 | EP0658864A1 Marking device |
| 06/21/1995 | EP0658292A1 Surface acoustic wave device for a differential phase-shift direct-sequence spread-spectrum signal receiver |
| 06/21/1995 | EP0658280A1 Antenna for an electronic apparatus |
| 06/21/1995 | EP0608281B1 Process for reducing frequency crosstalk during acoustic or optical signal transmission and/or recording |
| 06/21/1995 | CN1104024A Method and circuit for retuning of a radio receiver |
| 06/21/1995 | CN1104023A Switch circuit and method therefor |
| 06/21/1995 | CN1104006A Temperature coefficient controlled radio frequency signal detecting circuitry |
| 06/21/1995 | CN1104005A Radio receiving |
| 06/21/1995 | CN1104003A Satellite receiver turning device |