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Thermal Protector Circuit

IP.com Disclosure Number: IPCOM000064229D
Original Publication Date: 1985-Jun-01
Included in the Prior Art Database: 2005-Feb-18

Publishing Venue

IBM

Related People

Authors:
Blanc, A Morin, B [+details]

Abstract

Thermal detectors are commonly used to switch circuits off whenever the temperature raises above a given threshold. When the circuit is connected to a host, the switching off should be identified and reported to the host for maintenance purposes. This is achieved by separating thermal condition reporting from switching-off command. A number of the thermal detectors are connected to a local processor, which reports to the host any critical thermal condition, close to switching-off threshold. Separately, the thermal detector is connected to a disjunction command to report thermal conditions at threshold and thus switch the power supply off.