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2-Dimensional code pattern, 2-dimensional code pattern supporting medium, 2-dimensional code pattern generating method, and 2-dimensional code reading apparatus and method

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-007/10
출원번호 US-0447223 (2003-05-29)
우선권정보 JP-0015275 (2002-05-30); JP-0201611 (2002-07-10); JP-0375260 (2002-12-25)
발명자 / 주소
  • Takahashi, Sadao
  • Asano, Taiga
  • Yamasaki, Makoto
  • Beppu, Tomohiko
  • Furuta, Toshiyuki
  • Doi, Nobuyuki
  • Hattori, Hitoshi
출원인 / 주소
  • Ricoh Company, Ltd.
대리인 / 주소
    Oblon, Spivak, McClelland, Maier &
인용정보 피인용 횟수 : 9  인용 특허 : 15

초록

A 2-dimensional code reading apparatus includes a code position detector receiving an input image that is formed by optically reading 2-dimensional codes, and extracting a 2-dimensional codes from the input image. A data acquisition unit acquires identification information of a document page and pos

대표청구항

1. A 2-dimensional code reading apparatus, comprising:a code position detector configured to receive an input image formed by optically reading 2-dimensional codes, which are constituted by dots and printed on a print medium together with a document page, the code position detector configured to ext

이 특허에 인용된 특허 (15)

  1. Omura, Katsuyuki; Tsuda, Kunikazu; Tanaka, Makoto; Kitaguchi, Takashi; Beppu, Tomohiko; Furuta, Toshiyuki; Inoue, Takao; Yano, Takashi, Electronic blackboard system.
  2. Masafumi Torii JP; Hiroaki Matsui JP; Kyoji Tsutsui JP; Hitoshi Hattori JP; Toshiyuki Furuta JP; Tomohiko Beppu JP, Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material.
  3. Ohuchi Satoshi,JPX ; Takahashi Sadao,JPX, Image processing apparatus for discriminating image characteristics using image signal information obtained in an image.
  4. Chan John Paul,GBX, Machine readable binary codes.
  5. Dymetman Marc,FRX ; Copperman Max, Marking medium area with encoded identifier for producing action through network.
  6. Hattori Hitoshi (Sagamihara JPX), Optical transmission module and method of forming the same.
  7. Lazzouni Mohamed (Worcester MA) Yousaf Mohamed (Shrewsbury MA) Qureshi Rizwan A. (Worcester MA) Nazir Naveed A. (Shrewsbury MA), Pen and paper information recording system using an imaging pen.
  8. Sato Yasuhiro,JPX ; Inoue Takao,JPX ; Fujisawa Etsuko,JPX ; Kitaguchi Takashi,JPX ; Furuta Toshiyuki,JPX ; Murata Norihiko,JPX ; Shingyouchi Mitsuru,JPX, Pen-shaped handwriting input apparatus using accelerometers and gyroscopes and an associated operational device for dete.
  9. Sato Yasuhiro,JPX ; Inoue Takao,JPX ; Fujisawa Etsuko,JPX ; Kitaguchi Takashi,JPX ; Furuta Toshiyuki,JPX ; Murata Norihiko,JPX ; Shingyouchi Mitsuru,JPX, Pen-shaped handwriting input apparatus using accelerometers and gyroscopes and an associated operational device for dete.
  10. Sato Yasuhiro,JPX ; Inoue Takao,JPX ; Fujisawa Etsuko,JPX ; Kitaguchi Takashi,JPX ; Furuta Toshiyuki,JPX ; Murata Norihiko,JPX ; Shingyouchi Mitsuru,JPX, Pen-shaped handwriting input apparatus using accelerometers and gyroscopes and an associated operational device for determining pen movement.
  11. Sato Yasuhiro,JPX ; Inoue Takao,JPX ; Fujisawa Etsuko,JPX ; Kitaguchi Takashi,JPX ; Furuta Toshiyuki,JPX ; Murata Norihiko,JPX ; Shingyouchi Mitsuru,JPX, Pen-shaped handwriting input apparatus using accelerometers and gyroscopes and an associated operational device for determining pen movement.
  12. Winterburn Charles B. (Cheshire GBX), Printing and packaging system and identifying an item of printed matter.
  13. Furuta Toshiyuki (Yokohama JPX) Motomura Shuji (Yokohama JPX) Watanabe Takahiro (Sagamihara JPX) Stork David G. (Menlo Park CA), Signal processing apparatus.
  14. Furuta Toshiyuki (Yokohama JPX) Kitaguchi Takashi (Yokohama JPX) Eguchi Hirotoshi (Yokohama JPX), Signal processing apparatus having at least one neural network.
  15. Ohuchi Satoshi,JPX ; Takahashi Sadao,JPX, Spatial-filtering unit for performing adaptive edge-enhancement process.

이 특허를 인용한 특허 (9)

  1. Ladas,Corey; Larsen,Glen, Coded pattern for an optical device and a prepared surface.
  2. Ladas,Corey; Larsen,Glen, Coded pattern for an optical device and a prepared surface.
  3. Furuta, Toshiyuki; Beppu, Tomohiko; Kozuka, Naoki; Suga, Satoshi; Takahashi, Sadao; Sato, Yasuhiro; Ohkuma, Takashi; Ono, Yasuhiro; Horikawa, Hirofumi, Document processing system.
  4. Rezende, Marcelo Amaral, Dot code pattern for absolute position and other information using an optical pen, process of printing the dot code, process of reading the dot code.
  5. Stucke, Jr., Donald W.; Clark, Bradley; Salmon, Robert W.; Aiken, Brian; McIlvain, Scott H., Electronic device for enhancing an interactive experience with a tangible medium of expression.
  6. Lapstun,Paul; Silverbrook,Kia; Walmsley,Simon Robert, Identity-coded surface with reference points.
  7. Asano, Taiga, Image reading device and associated method for job execution.
  8. Asano, Taiga, Information processing system reducing inconvenience relating to distance between computer and printer or the like.
  9. Chisholm, Alex; Petitt, Eric; Schmidt, Chris, Interactive system including interactive apparatus and game.
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