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2 236 759

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(51)

IPC

(21) (22)

Application

2003106073/09, 2003-03-03

(24)

Start date

2003-03-03

(22)

Actual filing date

2003-03-03

(45)

Published

2004-09-20

(72)

Inventor

Funtikov V.A.Nikolaev V.Ju.Stepin E.M.Kotov V.I.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Ehlektrotekhnicheskij Institut"

METHOD FOR PROTECTING INFORMATION PROCESSING HARDWARE AGAINST INFORMATION DRAIN THROUGH STRAY ELECTROMAGNETIC RADIATION AND PICK-UP CHANNELS Russian patent published in 2004 - IPC

Abstract RU 2236759 C1

FIELD: communications engineering; protection of hardware-processed information against information drain.

SUBSTANCE: proposed method includes conversion of electromagnetic field around information exchange hardware using random mechanism without adding energy of additional masking field in this field to improve electromagnetic and environmental situation in vicinity of information exchange hardware. The latter is disposed close to antenna in Fresnel region and electromagnetic field is converted using random mechanism by varying resistance of antenna controlled load in step with noise signal, noise generator being connected to input of antenna controlled load.

EFFECT: improved electromagnetic and environmental situation in vicinity of information exchange hardware.

1 cl, 1 dwg

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RU 2 236 759 C1

Authors

Funtikov V.A.

Nikolaev V.Ju.

Stepin E.M.

Kotov V.I.

Dates

2004-09-20—Published

2003-03-03—Filed