Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1989-08-29
1991-09-10
Chin, Stephen
Pulse or digital communications
Spread spectrum
Direct sequence
3701055, H04L 704
Patent
active
050480618
ABSTRACT:
A method of transmitting information in the form of electrical signals over a bidirectional link including a central station (S. C.) and a peripheral station (S. P.) connected to the central station via a bidirectional transmission bus (10), where the central station (S. C.) is provided with a clock (14) furnishing a synchronizing signal to the peripheral station (S. P.) is proposed, the method being characterized in that the synchronization is effected in the biphase mode upon transmission from the central station (S. C.), and in the monophase mode upon transmission from the peripheral station (S. P.). The invention is applicable to data transmission over a bidirectional link between various subsystems of a data processing system. The invention also relates to an apparatus for performing the above method.
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patent: 4637016 (1987-01-01), Ciancibello
patent: 4644525 (1987-02-01), Ellis et al.
patent: 4670874 (1987-06-01), Sato et al.
patent: 4757521 (1988-07-01), Korsky et al.
patent: 4847867 (1989-07-01), Nasu et al.
Bull S.A.
Chin Stephen
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