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Computer display switching circuit and method thereof

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06F-001/00
출원번호 US-0999195 (1997-12-19)
우선권정보 KR-0069870 (1996-08-21)
발명자 / 주소
  • Oh Jae-choeul,KRX
출원인 / 주소
  • SamSung Electronics Co., Ltd., KRX
대리인 / 주소
    Bushnell, Esq.
인용정보 피인용 횟수 : 14  인용 특허 : 24

초록

A computer display switching circuit employed in a computer system having an external display and a notebook computer having an internal display includes an external display sensor for checking the state of the external display connector to sense whether the external display is receiving an image si

대표청구항

[ What is claimed is:] [1.] A display switching circuit employed in a computer system having an external display and a notebook computer including an internal display, comprising:external display sensor means for checking a state of said external display to sense whether said external display is rec

이 특허에 인용된 특허 (24)

  1. DeSchepper Todd J. ; Reif James R. ; Edwards James R. ; Collins Michael J. ; Larson John E., Apparatus and method for entering low power mode in a computer system.
  2. Solhjell Erik (Oslo NOX) San Tang P. (Singapore SGX), Apparatus for automatically reducing the power consumption of a CRT computer monitor.
  3. Carter R. Richard (Cypress TX) Mitchell Thomas (Houston TX) Bushman Douglas C. (Houston TX), Arrangement of components in a laptop computer system.
  4. Shahbazi Horyeh D. (1 Driftwood Irvine CA 92714), CRT monitor power control unit.
  5. Boothroyd Allen (Little Shelford GB2) Jackson Martin (Withersfield GB2), Case for portable computer having display accessible when lid is closed over the keyboard.
  6. Hawkins Jeff C. (Redwood City CA) Daly John J. (San Carlos CA), Combination laptop and pad computer.
  7. Walker Richard E. (The Woodlands TX), Computer system with power-down mode for monitor.
  8. Ma Hsi K. (4F. ; No. 48 ; Sec. 2 ; Chung Cherng Rd. Taipei TWX), Detachable portable personal computer.
  9. Nishizawa Yoshiyuki (Hadano JPX), Display control system.
  10. Tomiyasu Yuichi (Higashimurayama JPX), Display controller.
  11. Inoue Kazuaki (Suwa JPX), Emulation device for driving a LCD with a CRT display.
  12. Bartlett Richard A. (Middletown NJ) Cot Edward A. (Califon NJ), Flip screen for notebook computers.
  13. Sugino Toshio (Tokyo JPX), Information processing apparatus for performing operations in response to the opening and the closing of a cover thereof.
  14. Judd Thomas W. (Peterborough NH), Lap top computer work station.
  15. West Roderick M. P. (Colchester VT) Rickard Kathryn E. (Romsey VT GBX) Grupp Richard J. (Milton VT), Method and apparatus for power management in video subsystems.
  16. Tanaka Nobuyoshi,JPX, Method and apparatus for setting the reduced power mode of a processing system in accordance with the type of peripheral.
  17. Kelly Edward J. (3317 Skyview Lynchburg VA 24501) Howard Joseph P. (25 Cedar Dr. Lebanon OR 97355), Mobile data processing and communcations system with removable portable computer.
  18. Nishigaki Nobutaka (Fussa JPX), Personal computer system allowing selective use of built-in and external keyboards by means of selector.
  19. Sakai Makoto (Tokyo JPX) Dewa Koichi (Tokyo JPX) Tsukada Hiroyuki (Tokyo JPX) Uehara Keiichi (Tokyo JPX) Mamata Tohru (Tokyo JPX) Nishino Yasuhiro (Tokyo JPX) Oda Hiroyuki (Tokyo JPX), Portable computer having dedicated register group and peripheral controller bus between system bus and peripheral contro.
  20. Tsunoda Takeo (Suwa JPX) Aizawa Hitomi (Suwa JPX) Hama Yuji (Suwa JPX), Power saving display subsystem for portable computers.
  21. Herrick Gregory E. (Minneapolis MN), Projection display system for a laptop computer or a notebook computer.
  22. Kannan Krishnamurthi (Yorktown Heights NY) Jones Christopher D. (Georgetown KY) Lee Nathan J. (New City NY) Leontiades Kyriakos (Boca Raton FL) Novak Frank P. (Park Ridge NJ) Sharma Vikram (Pleasantv, System for distributed power management in portable computers.
  23. Chang Bo E. (22 Yearling Ct. Rockville MD 20850), Three layered laptop computer.
  24. Kunieda Yoshio (Nagoya JPX) Okamoto Toshishige (Nagoya JPX) Furukawa Satoshi (Suzuka JPX), Word processing system having small-sized and large-sized displays for simultaneous display and automatic power shut-off.

이 특허를 인용한 특허 (14)

  1. Lee, Yong-Der, Circuit for detecting an external display device adapted to notebook computer and detecting method thereof.
  2. Koo, Ja-goun, Computer system and control method thereof.
  3. Takasu, Shigeru, Display apparatus having a power saving mode.
  4. Kim, Kyoung-wook, Electronic apparatus and control method thereof.
  5. Wu,Shuguang; Awan,Faisal; Rigueira,Orlando; Taylor,Aaron, Information handling system including detection of inappropriate video connection.
  6. Numano, Fujihito; Saikawa, Yuuki, Information-processing apparatus and clock information display control method for use in the apparatus.
  7. Numano,Fujihito; Saikawa,Yuuki, Information-processing apparatus and clock information display control method for use in the apparatus.
  8. Kim, Si Han; Kim, Hyun Hee; Kim, Jang Ho, Portable multi-display device.
  9. Kim, Si Han; Kim, Hyun Hee; Kim, Jang Ho, Portable multi-display device.
  10. Machida, Akihiro, Producing display control signals for handheld device display and remote display.
  11. Huber, Gary Douglas; Shoobe, Howard A.; Watts, Jr., La Vaughn F., Removable personal digital assistant in a dual personal computer/personal digital assistant computer architecture.
  12. Huber,Gary Douglas; Shoobe,Howard A.; Watts, Jr.,La Vaughn F., Removable personal digital assistant in a dual personal computer/personal digital assistant computer architecture.
  13. Myers, Robert L., Switching between internal and external display adapters in a portable computer system.
  14. Juenger, Randall E., System and method for DVI native and docking support.
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