Method and apparatus to ensure intrinsically safe operation...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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Details

C455S557000, C455S418000

Reexamination Certificate

active

07130665

ABSTRACT:
Intrinsically safe operation (100, 200) of a communication device (202) and a peripheral device (204) coupled thereto is provided. By storing communication device type certification parameters within the communication device (202) and storing peripheral device type certification parameters within the peripheral device (204), the communication device can determine (110) whether the peripheral device is intrinsically compatible (108) with the communication device and restrict operation (114, 116, 118) of either device as needed.

REFERENCES:
patent: 5450613 (1995-09-01), Takahara et al.
patent: 6164547 (2000-12-01), Vapaakoski et al.
patent: 6272560 (2001-08-01), Kenton et al.
patent: 6725061 (2004-04-01), Hutchison et al.
patent: 2004/0192274 (2004-09-01), Vuori

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