Other

Al Messano

Alan Ross

The invention relates to a method of rendering telecommunication devices ineffective, by creating a substantially radio frequency radiation-free environment by providing an interference generating pattern (IGP) adjacent to the environment in a position between the environment and a source of radio frequency radiation signals so as to substantially reduce, or interfere with such signals thus preventing typical operation of the wireless telecommunications devices. The IGP is generally one that is non-conductive and is or includes a diffraction grating. The IGP is positioned adjacent the environment between the environment and a source of radio frequency radiation signals. Preferably, the IGP is provided as a support member configured in the shape of a diffraction grating, and includes a paint or coating of a non-conductive material having a high dielectric constant thereon.

Technology for creating a RF radiation-free environment

A method for reducing radar cross section of an object that has conductive portions and that is expected to be scanned by radar, which includes providing the object with a multiple layer radar cross section reducing structure that reduces or entraps or dissipates radar waves therein so that the size or configuration of the object cannot be correctly detected by radar scanning. The invention also relates to the radar cross section reducing structure alone or associated with an object such as a vehicle that transports personnel or equipment. The structure can be provided on an object that previously has no stealth capability or it can be applied to an object that already has stealth capability for increasing its capability to prevent correct detection by radar scanning.

Method of agile reduction of radar cross section using electromagnetic channelization

The invention relates to a method of rendering telecommunication devices ineffective by creating a substantially radio frequency radiation-free environment. An interference generating pattern is provided adjacent the environment in a position between the environment and a source of radio frequency radiation signals so as to substantially reduce, or interfere with such signals thus preventing typical operation of the telecommunications devices therein. Preferably, the interference generating pattern is provided by applying silicon carbide as a coating or as part of a building material onto a structure to reduce attenuation by at least 20 to 50 decibels. Other aspects of the invention include the building materials that have the interference generating pattern associated therewith and the substantially radio frequency radiation-free environments that are created according to the methods disclosed herein.

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Harrington Park, NJ, United States of America

Al Messano