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[미국특허] Power supply circuit and a voltage level adjusting circuit and method for a portable battery-powered electronic device 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02J-001/10
출원번호 US-0301608 (1999-04-29)
우선권정보 KR0015301 (1998-04-29)
발명자 / 주소
  • Choo Yeon-Chul,KRX
출원인 / 주소
  • SamSung Electronics Co., Ltd., KRX
대리인 / 주소
    Bushnell, Esq.
인용정보 피인용 횟수 : 102  인용 특허 : 38

초록

A power supply circuit for AC/DC adapter-powered or battery-powered portable electronic devices, which has a linear regulator, and includes a voltage level adjusting circuit coupled to the linear regulator. The voltage level adjusting circuit lowers a voltage supplied from the AC/DC adapter to a pre

대표청구항

[ What is claimed is:] [1.] A portable electronic device having a level-adjusted voltage, comprising:a voltage level adjusting circuit for selectively receiving a first power supply voltage from a first power source, and for selectively receiving a second power supply voltage from a second power sou

이 특허에 인용된 특허 (38) 인용/피인용 타임라인 분석

  1. Joo Yeong J. (Kwangmyung KRX), Apparatus for controlling charging of a storage battery.
  2. Bartlett Donald M. (Fort Collins CO), Battery back-up for electronic circuits.
  3. Dias Donald R. (Carrollton TX) Lee Robert D. (Denton TX), Battery charger.
  4. Mino Takayuki (Mihara-gun JPX), Battery charger having a temperature sensor and a rechargeable battery charging method.
  5. Goedken Terrance J. (Schaumburg IL), Battery charger having variable-magnitude charging current source.
  6. Krainer Erich (St. Veit an der Glan ATX) Sonnek Martin (St. Veit an der Glan ATX), Charging arrangement for the time-controlled charging of at least one rechargeable cell.
  7. Eguchi Yasuhito (Kanagawa JPX) Sato Masayuki (Tokyo JPX) Narushima Toshio (Kanagawa JPX) Sanpei Akira (Fukushima JPX) Murano Kanji (Tokyo JPX), Circuit for preventing overcharge and overdischarge of secondary batteries.
  8. Tamai Mikitaka (Sumoto JPX), Circuit to prevent excessive rechargeable battery discharge.
  9. Sengupta Upal (St. Joseph MI) Turnbull Robert R. (Buchanan MI) Shah Rajesh A. (St. Joseph MI) Fritz Brian C. (St. Joseph MI), Computer power supply and battery recharging system.
  10. Allen Paul M. (Cincinnati OH) Kuhn John R. (West Chester OH), Connecting multiple batteries to battery powered devices.
  11. Allen Paul M. (Cincinnati OH) Kuhn John R. (West Chester OH), Connection multiple batteries to battery powered devices.
  12. Parker Keith Philip,GBX, Converter for a DC power supply having an input resistance in series with a DC regulating circuit.
  13. Willis Scott C. (Manassas VA), Efficient fault tolerant switching circuit for redundant d. c. power supplies.
  14. Odaohara Shigefumi,JPX, Electronic apparatus having a power supply unit that can switch between internal and external power sources.
  15. Johnson William A. (Holliston MA) Budzyna W. James (Whitinsville MA) Smilanich Nicholas J. (Rocky River OH) Doan Chi-Thien (Olmstead Falls OH), Electronic battery charger device and method.
  16. Asai Takayuki (Tokyo JPX) Sato Yukio (Shizuoka JPX), Hand-held electronic apparatus using two batteries sequentially supplying current to inductive element.
  17. Salmonson Richard B. (Chippewa Falls WI) Greener Robert J. (Chippewa Falls WI) Sikkink Mark Ronald (Chippewa Falls WI) Lutz Robert J. (Chippewa Falls WI) Logan Max C. (Chippewa Falls WI) Finstad Rich, Method and apparatus for adjusting the power supply voltage provided to a microprocessor.
  18. Kan John T. C. (Chicago IL) Kan John F. (Chicago IL) Habermann Joseph P. (Hartland WI), Method and apparatus for charging a battery in high amp and automatic charging modes.
  19. Patino Joseph (Plantation FL), Method and apparatus for determining battery characteristics.
  20. Patino Joseph (Plantation FL) Nigro Daniel M. (Lauderhill FL) Fiske ; II John D. (Pompano Beach FL), Method and apparatus for rapidly charging a battery at high temperature.
  21. Stockstad Troy L. (Phoenix AZ), Method for balancing power sources and structure therefor.
  22. Fernandez Jose M. (Plantation FL) Meadows Vernon (Coral Springs FL) Anani Anaba A. (Lauderhill FL), Method for charging a multiple voltage electrochemical cell.
  23. Nagai Tamimi (Kanagawa JPX) Akiho Hitoshi (Miyagi JPX), Method for charging a secondary battery and charger used therefor using constant current and constant voltage.
  24. Brainard Gerald L. (San Jose CA), Non-dissipative battery charger equalizer.
  25. Staarman John L. (Boulder CO) Ziemkowski Theodore B. (Boulder CO), Over-discharge protection for rechargeable batteries.
  26. Kasashima Masahiko (Tokyo JPX) Nanno Nobuyuki (Tokyo JPX) Takeguchi Kouichirou (Tokyo JPX) Akashi Kazuo (Tokyo JPX) Suzuki Yoshiaki (Tokyo JPX) Ando Makoto (Tokyo JPX) Yamanaka Yuji (Tokyo JPX), Personal computer for performing charge and switching control of different types of battery packs.
  27. Nanno Nobuyuki (Tokyo JPX) Akashi Kazuo (Tokyo JPX) Ando Makoto (Tokyo JPX) Takeguchi Kouichirou (Tokyo JPX) Yamanaka Yuji (Tokyo JPX) Saito Toshimitsu (Tokyo JPX) Oka Mayumi (Tokyo JPX) Ootake Atsuh, Portable computer powered by rechargeable batteries.
  28. Makino Toshihiko (Sagamihara JPX), Portable electronic equipment with attachment for supplying power and charging battery.
  29. Ishida Hideo (Nagoya JPX) Tanahashi Toshitaka (Okazaki JPX) Banzai Keiichiro (Toyota JPX), Power source apparatus for vehicles.
  30. Morita Hideyo (Sumoto JPX) Mino Takayuki (Mihara-gun JPX), Power supply apparatus to provide power to electrical equipment from a plurality of battery packs and its method of powe.
  31. Lee Chang-Hum,KRX, Rechargeable battery charging circuit.
  32. Takao Mitsunori (Sumoto JPX) Kokuga Toshiharu (Sumoto JPX) Matsumoto Takanao (Itano-gun JPX) Sakurai Hiroaki (Itano-gun JPX), Rechargeable battery charging circuit which sets supplemental charging capacity according to ambient temperature.
  33. Shiojima Nobuo (Tokyo JPX), Secondary battery charging circuit.
  34. Shiojima Nobuo (Tokyo JPX) Enomoto Sadakazu (Tokyo JPX), Secondary battery charging circuit.
  35. Kim Dong-Hwan,KRX, Selection circuit for dual batteries in a battery powered electronic device.
  36. Saint-Pierre Roland S. ; Vashi Dipti V. ; Fernandez Jose' M., Tracking circuit for power supply output control.
  37. Hutchings Phillip D. (Calne GBX), Universal battery charging system and a method.
  38. Hutchings Phillip D. (Wiltshire GBX), Universal battery charging system and a method.

이 특허를 인용한 특허 (102) 인용/피인용 타임라인 분석

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