Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE466597ApublicationCriticalpatent/BE466597A/xx
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/38—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
H04B1/40—Circuits
H04B1/54—Circuits using the same frequency for two directions of communication
H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses