223419 ⎘
Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission; Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving; Circuits using the same frequency for two directions of communication; Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or using sampling gates
MULTI-FREQUENCY SAMPLING SYSTEM
#2Obtaining accurate timing of analog to digital converter samples in cellular modem
#3Communication apparatus
#4Noise reducing receiver
#5Noise reducing receiver
#6Noise reducing receiver
#7Noise reducing receiver