Pulse or digital communications – Repeaters – Testing
Patent
1987-04-15
1988-11-08
Griffin, Robert L.
Pulse or digital communications
Repeaters
Testing
375 82, H04B 336
Patent
active
047837918
ABSTRACT:
A multiple reproducing repeater station system having a plurality of repeater stations connected in tandem. Each of the repeater stations comprises a logical circuit for decoding data from a pulse-modulated signal transmitted from the preceding repeater station and delivering decoded data to a processing circuit, and a PLL for extracting a clock signal from the pulse-modulated signal. The PLL has an operational response time which is so adjusted as to be different from a data delay time due to a logical operation within the logical circuit.
REFERENCES:
patent: 4438520 (1984-03-01), Saltzer
patent: 4495617 (1985-01-01), Ampulski et al.
patent: 4503533 (1985-03-01), Tobagi et al.
patent: 4587650 (1986-05-01), Bell
Techinal Committee Computer Communications of IEEE "An American National Standard IEEE Standard for Local Area Network pp. 74-86 & Mar. 19, 1985.
Von Roland Best "Der Elektoniker Nr." 6/1975 pp. 9-16.
Von Roland Best "Der Elektoniker Nr." 8/1975 pp. 13-22.
Von Roland Best "Der Elektoniker Nr" 10/1975 pp. 24-32.
Chin Stephen
Griffin Robert L.
Hitachi , Ltd.
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