Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1987-06-30
1989-08-22
Safourek, Benedict V.
Pulse or digital communications
Spread spectrum
Direct sequence
371 47, 341 59, H04B 166
Patent
active
048603244
ABSTRACT:
An information data recovering apparatus which recovers the original information data from transmitted data of (2, 7, 1, 2, 3) Run Length Limited code to which the original data is converted. When 7 successive "0"-bits of a train of transmitted data are input to the apparatus, bit data at a position spaced by a predetermined number of bits from that time is converted as the head of original data and the input transmitted data subsequent to the bit data is converted to the original data.
REFERENCES:
patent: 3689899 (1972-09-01), Franaszek
patent: 3883847 (1975-05-01), Frank
patent: 4207599 (1980-06-01), Murayama et al.
patent: 4691193 (1987-09-01), Khu
United Kingdom Search Report of Apr. 9, 1986.
Official Letter from German Patent Office dated Dec. 15, 1986 with Translation.
Canon Kabushiki Kaisha
Huseman Marianne
Safourek Benedict V.
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