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특허 상세정보

Initialization control for light beam position indicator

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G08C-021/00   
미국특허분류(USC) 340/365P ; 178/18 ; 250/553 ; 340/712
출원번호 US-0102586 (1979-12-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 29  인용 특허 : 1
초록

A crossed light beam position indicator includes orthogonal arrays of paired light emitters and detectors for covering a display surface with crossed light beams and scanning means coupled to the emitters and detectors for electronically scanning the orthogonal arrays such that a single emitter at any one time is emitting light. Improved initialization means detect the first occurrence of an interrupted light beam and in response to the first detection, reset the scanning means to the initial reset position to thus avoid transmitting an address that migh...

대표
청구항

In a scanning system for scanning a display surface with light beams including a plurality of paired light emitting sources and oppositely positioned light detectors adjacent respective opposite edges of a display surface and scan means for sequentially activating said emitting sources and oppositely positioned detectors in predetermined patterns to scan said display surface with light beams emitted by said sources and impinging on said detectors, the improvement comprising: means responsive to the first detection by one of said detectors of an interrupt...

이 특허를 인용한 특허 피인용횟수: 29

  1. Igaki, Seigo; Nakakuki, Tadao; Inagaki, Takefumi; Oikawa, Shuetsu; Fujimura, Takashi. Apparatus for detecting edge of semitransparent plane substance. USP1985124559452.
  2. Miyagisima Takao (Tokyo JPX) Oohashi Kazuyuki (Tokyo JPX). Automatic transaction apparatus. USP1989024804830.
  3. Smith Mark L. (Seattle WA). Battery-operated data collection apparatus having an infrared touch screen data entry device. USP1990054928094.
  4. Gisoni Gregory A. (Murrysville PA) Forker James M. (Monroeville PA). Bi-directional keyboard interface circuit. USP1989104875043.
  5. Weissmueller William W. (Wildwood IL) Fitzgibbon James (Lombard IL). Co-ordinate detection system. USP1984074459476.
  6. Kley Victor B. (1119 Park Hill Rd. Berkeley CA 94708) Talken Daniel J. (Quincy IL). Computer control. USP1988114782327.
  7. Corren Dean R. (46 Stuyvesant St. New York NY 10003). Computer system user interface. USP1989054827410.
  8. Mizuno Sakuyuki (Kunitachi JPX). Coordinates detector wherein X and Y emitting elements are enabled independently of each other. USP1988014719339.
  9. Carroll Arthur B. (Georgetown TX) Carstedt John K. (Round Rock TX). Early fault detection in an opto-matrix touch input device. USP1987024645920.
  10. Ando Noriyoshi (Kariya JPX) Mikuni Hajime (Kariya JPX) Kishigami Tomohisa (Kariya JPX). Electric control system for photoelectric touch input apparatus. USP1990024904857.
  11. Lapeyre James M. (New Orleans LA). Electro-optical position determining system. USP1987084688933.
  12. Deck Leslie L. (Eden Prairie MN). Electronic sensing screen for measuring projectile parameters. USP1989094864515.
  13. Kaneko Kenichi (Yokohama JPX) Hikosaka Koji (Yokohama JPX) Katsuta Hiroichi (Tokyo JPX). Finger-touch coordinate input apparatus including a supply of air for dust removal. USP1988104777482.
  14. Bures Milan (Tabaccoville NC) Kratochvil Paul P. (Kernersville NC) Rowlette John R. (Clemmons NC). Infrared touch input device having ambient compensation. USP1989084855590.
  15. Strong David (Millersville MD). Inspection workstation data entry method. USP1987024641250.
  16. Yost Jerald W. ; Beachy Evelyn K. ; Kaiser Timothy D.. Laser beam receiver circuit. USP1999035886776.
  17. Drumm, Owen. Low power operation of an optical touch-sensitive device for detecting multitouch events. USP2018039916041.
  18. Drumm, Owen. Low power operation of an optical touch-sensitive device for detecting multitouch events. USP2016129524060.
  19. Meyer, Paul; Tegelhütter, Stefan; Witte, Udo. Measuring frame for contactless optical determination of a gunshot position and associated measurement process. USP2017119823051.
  20. Tallman James L. (Hillsboro OR) Sherbeck Terry G. (Aloha OR). Method which provides debounced inputs from a touch screen panel by waiting until each x and y coordinates stop altering. USP1991065025411.
  21. Ouchi Junichi (Furukawa JPX). Optical coordinate input apparatus. USP1990024905174.
  22. Hasegawa Kazuo (Furukawa JPX) Ohuchi Junichi (Furukawa JPX) Sasaki Hiroaki (Furukawa JPX). Optical coordinate system input device. USP1989034812642.
  23. Ohuchi Junichi (Furukawa JPX) Hasegawa Kazuo (Furukawa JPX) Sasaki Hiroaki (Furukawa JPX). Optical coordinate system input device. USP1989024806749.
  24. Ohouchi Junichi (Furukawa JPX) Sasaki Hiroaki (Furukawa JPX) Hasegawa Kazuo (Furukawa JPX). Optical position input device. USP1989014801797.
  25. Goertz, Magnus. Scanning of a touch screen. USP2014048711127.
  26. Goodwin Max W. (P.O. Box 233 Mesa CO 81643) Melsheimer Thomas T. (Longmont CO). Target scoring and display system. USP1990084949972.
  27. Tamaru Hideshi (Kanagawa JPX). Touch panel apparatus. USP1989124888479.
  28. Araki Morio (Saitama JPX) Mori Shigeto (Saitama JPX) Kaneko Michihiro (Saitama JPX) Go Yasunao (Saitama JPX). Touch panel control device with touch time and finger direction discrimination. USP1990024899138.
  29. Sherbeck Terry G. (Hillsboro OR). Touch panel input apparatus. USP1987104703316.