Patent ID: 7167562

Claim:
A security system integrated with an optical disk, comprising: a microprocessor; a light sensor coupled to the microprocessor; a sound emitter coupled to the microprocessor; a power source providing power for operation; and executable code in digital memory accessible to the microprocessor; the microprocessor, the light sensor, the sound emitter, the digital memory with executable code, and the power source comprising an electronic security device embedded in a region of the optical disk where data is not store; and a computer having a drive enabled to read the optical disk, a keyboard and a display; wherein the light sensor receives a code modulated in light, the microprocessor, running the executable code, uses the received code to retrieve an associated code from the digital memory, and transmits the associated code by the sound emitter modulated in sound waves understandable by a human operator, who inputs the code to the computer through the keyboard.