Pulse or digital communications – Repeaters – Testing
Patent
1983-10-04
1985-11-12
Griffin, Robert L.
Pulse or digital communications
Repeaters
Testing
455608, 360 40, H03K 515
Patent
active
045532494
ABSTRACT:
With the aid of a delay element and an EXCLUSIVE OR gate, from a binary input signal, upon the occurrence of a level change, an inhibit signal is obtained which blocks a freely-oscillating renewal pulse generator at its output, upon occurrence of level changes in the binary signal, so that the pulse transmission can proceed undisturbed by the renewal pulses through data pulse generators which are activated by the level changes of the binary signal occurring at a tap of the delay element, this is for the purpose of emitting a data pulse which is chronologically offset relative to a level change. The renewal pulses can follow a data pulse, however, at random times within a maximum time interval which is determined by the repetition frequency of the renewal pulses, since no chronological synchronization of the renewal pulses to a preceding data pulse is provided.
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patent: 3873977 (1975-03-01), McIntosh
patent: 4027152 (1977-05-01), Brown et al.
patent: 4347617 (1982-08-01), Murano et al.
patent: 4397042 (1983-08-01), Tsujii et al.
patent: 4468789 (1984-08-01), Gromen
patent: 4475212 (1984-10-01), McLean et al.
Goerne Jan
Toussaint Hans-Norbert
Chin Stephen
Griffin Robert L.
Siemens Aktiengesellschaft
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