Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1991-10-28
1993-12-07
Kuntz, Curtis
Pulse or digital communications
Spread spectrum
Direct sequence
H04L 2538
Patent
active
052689344
ABSTRACT:
Formatted serial asynchronous character data is converted to serial synchronous data, where the intracharacter bit rate of the serial asynchronous data and the synchronous bit rate of the serial synchronous data are different. The character data utilizes a start bit - stop bit format which enables the converter to drop or add stop bits occasionally in proportion to the bit rate difference, thus compensating for bit rate mismatch.
REFERENCES:
patent: 3809820 (1974-05-01), Sullivan
patent: 3937882 (1976-02-01), Bingham
patent: 4048440 (1977-09-01), Peck et al.
patent: 4586189 (1986-04-01), Tyrrell
patent: 5054020 (1991-10-01), Meagher
Exhibit A-blueprint of 1200 band transmitter (2 pps.).
Exhibit B-blueprint of 1200 band receiver (2 pages).
Exhibit C-blueprint of 1200 band receiver (2 pages).
Exhibit D-blueprint of 1200 band transmitter (2 pages).
Exhibit E-blueprint of transmitter and receiver (3 pages).
Johnson Greg
Sharma Raghu
Kuntz Curtis
Multi-Tech Systems, Inc.
Vo Don N.
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