Spread-spectrum communication apparatus

Details Spread-spectrum communication apparatus Spread-spectrum communication apparatus

1992-11-19

1994-04-19

Cain, David C.

Pulse or digital communications

Repeaters

Testing

380 46, 380 34, H04L 900

Patent

active

053053486

ABSTRACT:
A spread-spectrum communication apparatus has code generators for generating spread-spectrum and reverse spread-spectrum codes. Rather than using a code generator which differs for every apparatus, the code generators have an identical construction for every apparatus. Specifically, each apparatus is provided with a programmable ROM storing a value specific to each apparatus. When power is introduced to the apparatus, the value specific to the apparatus is read out of the programmable ROM first. Each apparatus generates a code, which is specific to the apparatus, used in spreading and reverse-spreading in dependence upon the specific value that has been read out of the ROM.

REFERENCES:
patent: 3947674 (1976-03-01), Gutleber
patent: 4872200 (1989-10-01), Jansen
patent: 4958359 (1990-09-01), Kato
patent: 5068872 (1991-11-01), Schroter
patent: 5128998 (1992-07-01), Kurihara
patent: 5157689 (1992-10-01), Kurihara
patent: 5202694 (1993-04-01), Farmer et al.

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