Pulse or digital communications – Repeaters – Testing
Patent
1990-07-18
1992-04-14
Gregory, Bernarr E.
Pulse or digital communications
Repeaters
Testing
380 34, 375 81, 375120, H04L 2730
Patent
active
051054361
ABSTRACT:
A spread spectrum receiver using a correlator includes a pattern matching circuit for deciding presence or absence of a pulse output which is obtained upon coincidence between the pattern of a correlator output and a predetermined pattern, so as to switch a PN code inside the receiver or the center frequency of a received signal when absence of the pulse output is acknowledged.
REFERENCES:
patent: 4112372 (1978-09-01), Holmes et al.
patent: 4327438 (1982-04-01), Baier et al.
patent: 4601047 (1986-07-01), Horwitz et al.
patent: 4943975 (1990-07-01), Kurihara et al.
Hamatsu Masahiro
Minagawa Shoichi
Mori Masaharu
Clarion Co. Ltd.
Gregory Bernarr E.
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