H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 14/02 (2006.01) H04B 10/00 (2006.01) H04L 9/00 (2006.01) H04L 9/28 (2006.01)
Patent
CA 2573981
A method and apparatus for secure transmission of an information-containing optical signal. An optical signal is divided into a first plurality of sub- bands. Each of the sub-bands is modified to encrypt the information contained in the optical signal. The modified sub-bands are combined into a combined optical signal. The combined optical signal is divided into a second plurality of sub-bands. Each of the second plurality of sub-bands is modified to decrypt the previously encrypted information contained in the optical signal.
La présente invention concerne un procédé et un appareil de transmission sécurisée d'un signal optique contenant de l'information. On divise un signal optique en une première pluralité de sous-bandes dont chacune est modifiée pour crypter l'information contenue dans le signal optique. On combine les sous-bandes modifiées en un signal optique combiné. On divise ce signal en une seconde pluralité de sous-bande dont chacune est modifiée pour décrypter l'information préalablement cryptée contenue dans le signal optique.
Essex Corporation
Oyen Wiggs Green & Mutala Llp
LandOfFree
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