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User input device for a computer system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G09G-005/00
출원번호 US-0818774 (1997-03-14)
발명자 / 주소
  • Graham David S.
  • Francis Daniel A.
출원인 / 주소
  • Poa Sana, LLC
대리인 / 주소
    Beyer & Weaver, LLP
인용정보 피인용 횟수 : 156  인용 특허 : 11

초록 ▼

A user input device for an electronic device is disclosed. The user input device provides positional information using a grid of light. The grid of light is produced from a light source and waveguides. The grid of light is also received and processed using waveguides and a light detector. Optionally

대표청구항 ▼

[ What is claimed is:] [1.] An apparatus, comprising:a light source;a multilayer, multichannel transmission waveguide portion optically coupled to receive light from said light source, said transmission waveguide portion integrally housing a plurality of light transmission waveguides that produce a

이 특허에 인용된 특허 (11)

  1. Beining August H. (Fullerton CA) Dial Larry A. (Diamond Bar CA) Smith William A. (Laguna Hills CA) Rieck Gene W. (Laguna Hills CA), Electromagnetic energy interference seal for light beam touch panels.
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  5. Revelli ; Jr. Joseph F. (Rochester NY) Nutt Alan C. G. (Rochester NY) Schildkraut Jay S. (Rochester NY) Lim Eric J. (Rochester NY) Roberts David A. (Rochester NY) Williams David J. (Fairport NY) Robe, Multichannel optical waveguide page scanner with individually addressable electro-optic modulators.
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  8. Kurokawa Takashi (Mito JPX) Takato Norio (Mito JPX) Oikawa Shigeru (Mito JPX) Katayama Yuzo (Mito JPX), Polymer optical circuit with optical lead-fibers and method of fabricating the same.
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  9. Campbell John W. (Monument CO), Precision infrared position detector apparatus for touch screen system.
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  11. Williams Donald D. (Boca Raton FL), Touch panel display.
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