Cryptography – Communication system using cryptography – Fiber optic network
Reexamination Certificate
2007-01-23
2007-01-23
Revak, Christopher (Department: 2131)
Cryptography
Communication system using cryptography
Fiber optic network
C380S201000, C380S227000, C713S165000, C713S183000, C713S184000, C713S194000, C726S026000, C705S055000, C382S115000, C382S116000
Reexamination Certificate
active
09900716
ABSTRACT:
An electronic security device has a light-receiving interface that receives a modulated light signal emitted by the screen of a computer making use of the data medium, an output interface adapted to emit output information as a function of the received input information, and an electronic central unit connected to the receive and emit interfaces and adapted to determine the output information as a function of the input information and to cause said output information to be emitted.
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Boys Donald R.
Central Coast Patent Agency Inc
DHVA, Inc.
Moorthy Aravind K
Revak Christopher
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