| 摘要 |
1394077 Transmission DDI COMMUNICATIONS Inc 21 June 1972 [30 June 1971] 28990/72 Heading G4H An interval detector for a pulsed message train with pulses occurring at a first frequency, comprises means comparing pulses at the same frequency from receiver means with pulses obtained by decoding one of n pulses from means developing checking pulses at n times the first frequency, so that a noise pulse out of order in the message pulse train changes the comparator output, the comparator controlling acceptance of the message train. The disclosure is included in Specification 1,394,075 (referred to). |
