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Circuit card with soft power switch 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02H-007/20
출원번호 US-0972753 (1978-12-26)
발명자 / 주소
  • Busby W. Ray (Richardson TX)
출원인 / 주소
  • Rockwell International Corporation (El Segundo CA 02)
인용정보 피인용 횟수 : 29  인용 특허 : 4

초록

A circuit card is disclosed of the type for connection to a system by means of connector pins on the card. The circuit card includes a soft power switch for reducing the power transient effects of inserting the card by gradually coupling the circuit load on the card to the system power supply voltag

대표청구항

In a circuit card of the type having a plurality of connector pins for electrically connecting to a system upon insertion of the card and disconnecting from the system upon removal of the card, and wherein the system includes a power supply voltage, and the circuit card includes an electrical circui

이 특허에 인용된 특허 (4)

  1. Boulanger Henry J. (Cumberland RI) Brassard Theodore (Berkley MA), Current inrush limiter.
  2. Michelet Robert Wilson (Madison NJ) Ostapiak Roman (Pine Brook NJ) Scuderi Rudolph (Mountain Lakes NJ), Inrush current limit circuit with reset response to lowered input voltage.
  3. Ohnuma ; Kunihiko ; Yasuda ; Hajime, Printed circuit board capable of being inserted and withdrawn on on-line status.
  4. Phillips Lewis A. (Rockville MD) Leiby George J. (Mount Airy MD), Printed circuit board connection.

이 특허를 인용한 특허 (29)

  1. Erickson, Michael John; Brush, Richard K., Apparatus for safe installation and removal of a circuit board for hot swap applications.
  2. Rieken Ralf,DEX ; Flotho Helmut,DEX, Arrangement for connection of a module in an appliance.
  3. Nishimura Hisayuki (Kawasaki JPX) Honda Shigeru (Kawasaki JPX) Shibata Naohiro (Kawasaki JPX), Circuit mounting unit.
  4. Jurgen Maul DE, Connecting process and bus interface for connecting a subassembly of a programmable controller to a bus.
  5. Hermann ; Jr. Henry Otto ; Myers Marjorie Kay, Contact for error resistant coupling of electrical signals.
  6. Van Wonterghem Geert Arthur Edith,BEX, Current control interface arrangement.
  7. Moussaoui, Zaki, DC-DC converter having active transient response compensation circuit employing flyback inductor.
  8. Jochum Thomas Andrew ; Walters Michael Mark ; Hawkes Charles Edward ; Harris Matthew, DC-dC converter having dynamic regulator with current sourcing and sinking means.
  9. Janniello Frank (Stamford CT), Detachable plug.
  10. Ozil Maurice (73 ; rue des Morillons 75015 Paris FRX) Finger Ulrich (30 ; rue du Moulin de Pierre 92140 Clamart FRX), Device for indicating the position of printed circuit cards relative to their connectors.
  11. Ran, Haosi; Zhou, Jianlin; Jin, Sheng; Wang, Songping, Device for preventing internal combustion of equipment from spreading outwards.
  12. Huang, Ching-Ming; Sheng, Hsin, Electrical connector assembly and an electronic device incorporating the same.
  13. Faultersack David D. (Escondido CA), Electromechanical assembly for aligning, discharging, and sequentially engaging conductors of a P.C. board with a backpl.
  14. Marshall Peter G. (Grafton MA) Goerke Ulrich B. (Westboro MA), Electronic board identification.
  15. Urbigkeit Frank (Munich DEX), Fault current protection circuit for an auxiliary device in a digital telephone system.
  16. Wood Samuel F., Hot insertion power arrangement.
  17. Austruy Pierre (Nice FRX) Conjeaud Jean-Paul (Antibes FRX) Massi Patrick (St. Laurent du Var FRX) Jacquart Christian (Gattieres FRX), Hot-plugging circuit for the interconnection of cards to boards.
  18. Dodson, III, George Bertran, In-rush current protection.
  19. Priest, Joel F., Inrush limiter circuit.
  20. Herrig Hanz W. (Aurora IL) Horn David N. (Rumson NJ) Peters Daniel V. (Warrenville IL) Pfeifer Randy D. (Warrenville IL) Wilcox Wayne R. (Naperville IL), Method and apparatus for controlled removal and insertion of circuit modules.
  21. Jones James ; Dove Jason W., Multi-stage precharging system to limit power supply transients when printed circuit boards are plugged in.
  22. Barnes Richard A. (Crownsville MD) Bartz Gregory J. (Palm Bay FL), Printed circuit board connection system.
  23. Frank G. Haven (Baltimore MD), Protection circuitry for high voltage drivers.
  24. Erickson, Michael John; Brush, Richard K., State activated one shot with extended pulse timing for hot-swap applications.
  25. Johansson Christopher W. (Horseshoe Bend ID), System for suppressing power transients when connecting a disk drive in an operating raid system.
  26. Rasums Todd Morgan, System with pluggable adapter card and hot-swap interface controller.
  27. Oranski, Michael; Sadot, Avner; Heifetz, Israel; Dracher, Yoav, Water dispenser and filter cartridge for use therein.
  28. Oranski, Michael; Sadot, Avner; Heifetz, Israel; Dracher, Yoav, Water dispenser and filter cartridge for use therein.
  29. Oranski, Michael; Sadot, Avner; Heifetz, Israel; Dracher, Yoav, Water dispenser and filter cartridge for use therein.
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