Data transmission security arrangement for a plurality of...

Details Data transmission security arrangement for a plurality of... Data transmission security arrangement for a plurality of...

H - Electricity

04

L

354/233, 340/70

H04L 12/22 (2006.01) H04L 12/40 (2006.01)

Patent

CA 1275506

DATA TRANSMISSION SECURITY ARRANGEMENT FOR A PLURALITY OF DATA STATIONS SHARING ACCESS TO A COMMUNICATION NETWORK Abstract An arrangement for securing data transmissions to and from one data device from among a plurality of data devices sharing a common interface is disclosed. In a data communication network, a master communication bus connects to a plurality of data transmitting and receiving devices via a single interface. The disclosed arrangement provides circuitry in the common interface which generates a jamming signal to all devices connected to the interface except for that one device which is either transmitting or receiving a data- transmission. The jamming signal inhibits all the connected devices from monitoring and detecting the data transmission processes of the interface. The one transmitting and receiving device is enabled to either transmit or receive data during the generation of the jamming signal which ensures a secure data transmission and prevents "eavesdropping" by the other devices. The jamming signal is removed at the conclusion of the data transmission to or from the one device.

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