Security system with serial number coding and methods therefor

Details Security system with serial number coding and methods therefor Security system with serial number coding and methods therefor

2006-10-10

2006-10-10

Smithers, Matthew (Department: 2137)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C700S090000

Reexamination Certificate

active

07120795

ABSTRACT:
Using an existing system of formatting for RF message transmission and receiving, additional information can be sent to an alarm control panel to sort classes of messages (and hence equipment) without changing hardware, RF or baseband timing, power levels, etc., and therefore not affect FCC rules and registration of many individual products. A plurality of security devices are programmed with a unique identification number by generating a series of initial serial numbers, and then applying a masking algorithm to the serial number. Only if the masking application provides a true result will the security device be programmed with that serial number. At installation, the serial number is obtained from the security device, and the masking algorithm is applied to the serial number. Depending on its use in the security system, registration is allowed only if the masking algorithm application provides a true result.

REFERENCES:
patent: 5970148 (1999-10-01), Meier
patent: 6400265 (2002-06-01), Saylor et al.
patent: 6552647 (2003-04-01), Thiessen et al.
patent: 2002/0091805 (2002-07-01), Phillips et al.
patent: 2003/0023874 (2003-01-01), Prokupets et al.
patent: 2003/0063742 (2003-04-01), Neufeld et al.

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