| 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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| 02/11/1997 | US5602456 Hand held computerized data collection terminal with rechargeable battery pack sensor and battery power conservation |
| 02/11/1997 | US5601109 Fluid flow monitor |
| 02/06/1997 | WO1997004550A1 System for synchronizing the block counter in a radio-data-system (rds) receiver |
| 02/06/1997 | WO1997004538A2 A wireless digital communication device, and a peak-detector |
| 02/06/1997 | WO1997004536A1 Method and apparatus for spread-spectrum channel estimation |
| 02/06/1997 | WO1997004535A1 Compander-type dynamic noise suppression device |
| 02/06/1997 | WO1997004534A1 Amplifier for antennas |
| 02/06/1997 | WO1997004533A1 Antenna switch |
| 02/06/1997 | WO1997004532A1 Reducing power consumption in portable radiotelephone |
| 02/06/1997 | WO1997004531A1 Low power data receiver combined with audio receiver |
| 02/06/1997 | WO1997004529A1 Method and apparatus for reduction of transmitter-chain noise in portable duplex transceivers |
| 02/06/1997 | WO1997004523A1 Improvements to a logarithmic converter |
| 02/06/1997 | WO1997004431A1 Remote control device for an entertainment system |
| 02/06/1997 | CA2226081A1 Remote control device for an entertainment system |
| 02/06/1997 | CA2221742A1 Low power data receiver combined with audio receiver |
| 02/05/1997 | EP0757466A2 Mobile telephone terminal with power saving means |
| 02/05/1997 | EP0757455A2 Data transmission system with cyclic redundancy checksum value |
| 02/05/1997 | EP0757454A1 Radio Data System - Traffic Message Channel broadcast receiver |
| 02/05/1997 | EP0757450A2 Acquisition and tracking filter for spread spectrum signals |
| 02/05/1997 | EP0757446A2 Analogue to digital and digital to analogue converters |
| 02/05/1997 | EP0756805A1 A method and apparatus having time dependent sleep modes |
| 02/05/1997 | EP0756802A1 Multi-channel common-pool distributed data storage and retrieval system |
| 02/05/1997 | EP0756794A1 Receiving method and receiver |
| 02/05/1997 | EP0756780A1 Improvements in or relating to communications receivers |
| 02/05/1997 | EP0699361A4 Method and apparatus for transmission of data using radio frequency signals |
| 02/05/1997 | EP0630538A4 Binary phase shift keying modulation system or frequency multiplier. |
| 02/05/1997 | CN1142304A Receiver |
| 02/05/1997 | CN1142293A Multi-channel digital transceiver and method thereof |
| 02/05/1997 | CN1142292A Method and apparatus for automatic modulation calibration in a radio transmitter |
| 02/05/1997 | CN1142291A Frequency band separation signal digitizer and method thereof |
| 02/04/1997 | US5600754 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors |
| 02/04/1997 | US5600730 Swimming training device |
| 02/04/1997 | US5600711 Apparatus and methods for providing initializing settings to an appliance |
| 02/04/1997 | US5600683 Communication data format |
| 02/04/1997 | US5600670 Dynamic channel allocation for GPS receivers |
| 02/04/1997 | US5600656 Remote loopback apparatus and method for telephone line repeaters |
| 02/04/1997 | US5600573 Operations center with video storage for a television program packaging and delivery system |
| 02/04/1997 | US5600364 Network controller for cable television delivery systems |
| 02/04/1997 | US5600336 Antenna device and satellite communication reception system |
| 02/04/1997 | US5600328 Demodulator circuit in global positioning system receiver |
| 02/04/1997 | US5600223 Battery case for portable terminal unit |
| 01/30/1997 | WO1997003534A1 Battery powered device |
| 01/30/1997 | WO1997003532A1 Arrangement for wireless communications |
| 01/30/1997 | WO1997003511A2 Hand-held radiotelephone |
| 01/30/1997 | WO1997003503A1 Multipath resistant, orthogonal code-division multiple access system |
| 01/30/1997 | WO1997003502A1 Digital transmission system, transmitter, receiver, equivalent analog signal, and transmission method |
| 01/30/1997 | WO1997003501A2 Dual mode satellite/cellular terminal |
| 01/30/1997 | WO1996036137A3 A direct-sequence spread spectrum communication system, a primary radio station, and a secondary radio station |
| 01/30/1997 | CA2226513A1 Battery powered device |
| 01/29/1997 | EP0756431A2 Power shared linear amplifier network |
| 01/29/1997 | EP0756395A2 Spreading code generator and CDMA communication system |
| 01/29/1997 | EP0756391A1 Method of selecting radio wave propagation paths in a spread spectrum communication system |
| 01/29/1997 | EP0756387A2 Serial acquisition system with adaptive threshold and optimal decision for spread spectrum systems |
| 01/29/1997 | EP0756386A2 Method and apparatus for coding a digital, acoustic signal |
| 01/29/1997 | EP0756378A1 Matched filter circuit |
| 01/29/1997 | EP0756377A1 Matched filter circuit |
| 01/29/1997 | EP0756376A1 Matched filter, reception device and communication system using the same |
| 01/29/1997 | EP0756267A1 Method and system for silence removal in voice communication |
| 01/29/1997 | EP0756261A1 RDS-TMC radio receiver |
| 01/29/1997 | EP0756260A1 RDS-TMC radio receiver |
| 01/29/1997 | EP0756259A1 RDS-TMC radio receiver |
| 01/29/1997 | EP0756258A1 RDS-TMC radio receiver |
| 01/29/1997 | EP0756257A1 RDS-TMC radio receiver |
| 01/29/1997 | EP0755590A1 Receiver and method for generating spreading codes in a receiver |
| 01/29/1997 | EP0700528A4 Electromagnetic hidden object detector |
| 01/29/1997 | EP0689739B1 Radio frequency radiation shield for hand-held radio phone |
| 01/29/1997 | CN2246356Y Calling signal translator of BP |
| 01/29/1997 | CN1141708A Consumer interface for digital TV system |
| 01/29/1997 | CN1141707A Digital TV system channel guid having ltd. lifetime |
| 01/29/1997 | CN1141705A Clear channel selection system for cordless telephone |
| 01/29/1997 | CN1141699A Encoding and decoding of wideband digital information signal |
| 01/29/1997 | CN1141541A Integrated circuit and transmitter/receiver |
| 01/29/1997 | CN1141540A Transmitter-receiver for radio communication apparatus |
| 01/29/1997 | CN1141534A Level control circuit for receiver |
| 01/29/1997 | CN1141517A Transmitting and receiving apparatus |
| 01/28/1997 | US5598523 For controlling devices from a remote location |
| 01/28/1997 | US5598506 Apparatus and a method for concealing transmission errors in a speech decoder |
| 01/28/1997 | US5598448 Method and apparatus for controlling a digital phase lock loop and within a cordless telephone |
| 01/28/1997 | US5598431 Method and apparatus for signal quality detection in a communication system |
| 01/28/1997 | US5598430 Analog/digital receiver |
| 01/28/1997 | US5598429 Multi-level correlation system for synchronization detection in high noise and multi-path environments |
| 01/28/1997 | US5598428 DS/CDMA diversity receiver with despreading filters using combiner wherein first and second despreading filters are delayed with respect to each other by a period of half the chip rate |
| 01/28/1997 | US5598427 Wireless alarm system |
| 01/28/1997 | US5598405 Time division multiple access time division duplex type transmitter-receiver |
| 01/28/1997 | US5598402 Multiplexer with transmission back-up function |
| 01/28/1997 | US5598278 System configuration method for audio-video apparatus with digital bus interface |
| 01/28/1997 | US5598154 Apparatus and method for generating and utilizing pseudonoise code sequences |
| 01/28/1997 | US5598126 Method and arrangement for controlling the operation of a high-frequency power amplifier |
| 01/28/1997 | US5597102 Attachment device for a mobile station |
| 01/28/1997 | US5596840 Garage door opener with remote safety sensors |
| 01/28/1997 | CA2181637A1 Spreading code generator and cdma communication system |
| 01/28/1997 | CA2107767C Radio frequency error detection and correction system |
| 01/26/1997 | CA2181670A1 Method of selecting propagation delays retained for receiving messages transmitted by spread spectrum radio communication |
| 01/23/1997 | WO1997002714A2 Code division multiple access (cdma) communication system |
| 01/23/1997 | WO1997002678A2 Communication system with sliding frequency, and transceiver for the system |
| 01/23/1997 | WO1997002675A2 Cdma modem |
| 01/23/1997 | WO1997002666A1 Reception method and base station receiver |
| 01/23/1997 | WO1997002665A2 Automatic power control system for a code division multiple access (cdma) communications system |
| 01/23/1997 | WO1997002663A1 Code acquisition in a cdma communication system using multiple walsh channels |
| 01/23/1997 | WO1997002662A1 A data access arrangement having improved transmit-receive separation |