Proportional integral cooling device controller for electronic device
US6191546A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1999 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | Oct 1, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S388/934
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic device has a heat producing component thermally coupled to a heat dissipation structure. The electronic device further has control circuitry connected to a temperature sensor that senses the component temperature of the heat producing component. The control circuit is further connected to a cooling device also thermally coupled to the heat dissipation structure. The control circuit varies the cooling rate in a manner that cancels out a lag time which occurs during a change from a steady state condition of the component temperature. The cooling rate of the cooling device is varied by the control circuit in proportion to variation in sensed component temperature from the temperature sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.