System to monitor the temperature of an integrated circuit and t

Details System to monitor the temperature of an integrated circuit and t System to monitor the temperature of an integrated circuit and t

1995-09-29

1997-03-18

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340521, 340599, 340611, 340653, 364185, G08B 2100

Patent

active

056126778

ABSTRACT:
A system to monitor the temperature of an integrated circuit and to dissipate heat generated thereby includes a heat sink to overlie the integrated circuit. A temperature sensor is located on the heat sink to detect the temperature adjacent the integrated circuit. Temperature signal conditioning circuitry is responsive to the temperature sensor and generates a temperature alarm signal when the temperature at the integrated circuit reaches a threshold level. A fan overlies the heat sink and draws air across and then away from the heat sink to cool it. A pressure transducer is mounted on the fan and detects air flow through the fan. Pressure signal conditioning circuitry is responsive to the pressure transducer and generates a pressure alarm signal when the air flow through the fan falls below a threshold level. Alarms are triggered by the temperature and pressure alarm signals to warn a user.

REFERENCES:
patent: 4479115 (1984-10-01), Holzhauer
patent: 4630036 (1986-12-01), Ford
patent: 5355123 (1994-10-01), Nishiura et al.

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