Apparatus and method for identification of message initiation in

Details Apparatus and method for identification of message initiation in Apparatus and method for identification of message initiation in

1987-11-17

1989-10-03

Safourek, Bendict V.

Pulse or digital communications

Spread spectrum

Direct sequence

370 49, 370101, H04L 2548

Patent

active

048721867

ABSTRACT:
In order to insure the accuracy of information transmitted over a network, the initiation of the message must be unambiguously identified. In the present invention, the intermessage spacing consists of a series of identical logic signals that exceeds a minimum value distinguishing this interval from a message character. The message character has predefined length, with a start bit position logic signal and a stop bit position logic signal bounding the character that has the same number of predetermined logic signals for every message character. The character has at least one additional non-data bit position that has a first logic signal for the initial character of a message and the complementary logic signal for the remaining characters in the message.

REFERENCES:
patent: 4310922 (1982-01-01), Lichtenberger et al.
patent: 4471481 (1984-09-01), Shaw et al.
patent: 4748643 (1983-05-01), Setoguchi et al.

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