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특허 상세정보

Over temperature memory circuit

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02H-005/04   
미국특허분류(USC) 361/104 ; 361/115
출원번호 US-0371235 (1995-01-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 22  인용 특허 : 1
초록

A fusible link provided in a power supply of a computer system for providing evidence of an over temperature condition to document a fan failure in the event of catastrophic failure of the power supply. The power supply typically includes a temperature detection circuit often including a thermistor providing a signal indicative of an over temperature condition in the power supply. A latch circuit coupled to the temperature detection circuit shuts the power supply down in an attempt to prevent such catastrophic failure. In a circuit according to the prese...

대표
청구항

A memory circuit for documenting an over temperature condition in a power supply, the power supply including a temperature sensor circuit asserting a signal indicative of an over temperature condition, said memory circuit comprising: a switch receiving the over temperature condition signal and switching in response thereto for switching a power voltage; and a fuse coupled to said switch for receiving said power voltage wherein said fuse open-circuits in response to said power voltage being applied across it; wherein the power supply includes an external ...

이 특허를 인용한 특허 피인용횟수: 22

  1. Schell, J. David; Ricks, Joe A.; Guerrero, Jr., Edward C.. Circuit for detecting a cooling device in a computer system. USP2003036534995.
  2. Michel, Hartmut; Pluntke, Christian; Thanner, Manfred; Bireckoven, Bernd. Circuit for protection from excess temperature. USP2003076597556.
  3. Claude L. Bertin ; Erik L. Hedberg ; Russell J. Houghton ; Max G. Levy ; Rick L. Mohler ; William R. Tonti ; Wayne M. Trickle. Electrically programmable antifuses and methods for forming the same. USP2002056388305.
  4. Barnette, Jamaica L.; Clemo, Raymond M.; Evans, Douglas I.; Totten, Brian C.. Energy lockout in response to a planar catastrophic fault. USP2016069367110.
  5. Mimberg,Ludger. Fan speed controller. USP2009017479753.
  6. Reddy, Sreenivas Aerra; Arulanandam, Srinivasan; Rajaraman, Venkataraman. Maintaining optimum voltage supply to match performance of an integrated circuit. USP2015099134782.
  7. Gross, Kenny C.; Urmanov, Aleksey M.; McElfresh, David K.. Method and apparatus for using a heater to control the temperature of a power supply in a computer system. USP2011017869905.
  8. Zou, Hua; He, Feng-Long; Wang, Wei. Method and circuit for controlling rotation speed of computer fan. USP2010077756402.
  9. Huang, Jensen; Diard, Franck; Saulters, Scott. Method and system for artificially and dynamically limiting the framerate of a graphics processing unit. USP2016029256265.
  10. Rozas, Guillermo J.. Method and system for automatically calibrating intra-cycle timing relationships for sampling signals for an integrated circuit device. USP2010017646835.
  11. Mimberg, Ludger; Wagner, Barry; Lao, Mau. Method and system for dynamic power supply voltage adjustment for a semiconductor integrated circuit device. USP2005096947865.
  12. Bertin, Claude L.; Hedberg, Erik L.; Houghton, Russell J.; Levy, Max G.; Mohler, Rick L.; Tonti, William R.; Trickle, Wayne M.. Method for forming a voltage programming element. USP2004116812122.
  13. Diard, Franck; Kadaba, Ganesh. Methods and system for artifically and dynamically limiting the display resolution of an application. USP2017119830889.
  14. Li, Sau Yan Keith; Dewey, Thomas Edward; Jamkar, Saket Arun; Parikh, Amit. Power consumption reduction systems and methods. USP2014098839006.
  15. Frid, Aleksandr; Sriram, Parthasarathy. Power management with dynamic frequency adjustments. USP2013028370663.
  16. Frid, Aleksandr; Sriram, Parthasarathy. Power management with dynamic frequency adjustments. USP2014078775843.
  17. Kelleher, Brian M.; Mimberg, Ludger; Kranzusch, Kevin; Lam, John; Velmurugan, Senthil S.. Processor performance adjustment system and method. USP2011027882369.
  18. Alben, Jonah M.; Kranzusch, Kevin. Processor temperature adjustment system and method. USP2011027886164.
  19. Alben, Jonah M.; Kranzusch, Kevin. Processor voltage adjustment system and method. USP2010127849332.
  20. Su,Steven. Switching power supply having cooling fan cooling down system after power turned off. USP2006117137015.
  21. Douglas E. Wallace, Jr.. Thermal management data prediction system. USP2002026349269.
  22. Steiert Greg. Variable speed fan failure detector. USP1998085790430.