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Image reading device 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-005/232
출원번호 US-0874589 (1997-06-13)
우선권정보 JP0145815 (1997-05-20)
발명자 / 주소
  • Horie Mikio,JPX
  • Suzuki Minoru,JPX
출원인 / 주소
  • Asahi Kogaku Kogyo Kabushiki Kaisha, JPX
대리인 / 주소
    Greenblum & Bernstein, P.L.C.
인용정보 피인용 횟수 : 26  인용 특허 : 6

초록

An image reading device is provided that includes a linear image sensor (such as a CCD), a contrast detecting system, and a focus condition judging system. The focus condition judging system is arranged to detect when the image reading device is in an in-focus condition based on output of the image

대표청구항

[ What is claimed is:] [1.] An image reading device, comprising:a focusing lens for forming an image of an object;a linear image sensor for capturing said image, said image sensor including a plurality of image receiving elements arranged in a line along a predetermined direction, said plurality of

이 특허에 인용된 특허 (6)

  1. Hamada Masataka (Osaka JPX) Ishida Tokuji (Osaka JPX) Akada Yasuaki (Sakai JPX), Automatic focus adjusting apparatus.
  2. Fujii Norio (Urawa JPX) Kawahara Atsushi (Tokyo JPX) Sawada Masahiro (Kawasaki JPX), Automatic focusing device of a microscope.
  3. Matsui Toru (Sakai JPX) Karasaki Toshihiko (Sakai JPX), Focus detecting system for camera utilizing correction data on the aberration of the photographic lens.
  4. Biber Conrad H. (Needham MA) Vetterling William T. (Lexington MA) Levinstone Donald S. (Cambridge MA) Brown ; III Olin C. (Lynnfield MA), Focusing system for camera apparatus.
  5. Kubo Kazutoshi (Kawasaki JPX), In-focus detection method and method and apparatus using the same for non contact displacement measurement.
  6. Koshiishi Shinichirou (7-8-547 Higashihirayama 1-chome Hino-shi ; Tokyo JPX), Method of extracting automatic-focusing information.

이 특허를 인용한 특허 (26)

  1. Conard, Todd; Stachowski, Breanna; Galewyrick, Seth, Articulated desktop magnifier.
  2. Steinberg,Eran; Prilutsky,Yury; Corcoran,Peter; Bigioi,Petronel; Zamfir,Adrian; Buzuloiu,Vasile; Ursu,Danutz; Zamfir,Marta, Automated statistical self-calibrating detection and removal of blemishes in digital images based on a dust map developed from actual image data.
  3. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel; Zamfir, Adrian; Buzuloiu, Vasile; Ursu, Danutz; Zamfir, Marta, Automated statistical self-calibrating detection and removal of blemishes in digital images based on determining probabilities based on image analysis of single images.
  4. Steinberg,Eran; Prilutsky,Yury; Corcoran,Peter; Bigioi,Petronel; Zamfir,Adrian; Buzuloiu,Vasile; Ursu,Danutz; Zamfir,Marta, Automated statistical self-calibrating detection and removal of blemishes in digital images based on determining probabilities based on image analysis of single images.
  5. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel; Zamfir, Adrian; Buzuloiu, Vasile; Ursu, Danutz; Zamfir, Marta, Automated statistical self-calibrating detection and removal of blemishes in digital images based on multiple occurrences of dust in images.
  6. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel; Zamfir, Adrian; Buzuloiu, Vasile; Ursu, Danutz; Zamfir, Marta, Automated statistical self-calibrating detection and removal of blemishes in digital images dependent upon changes in extracted parameter values.
  7. Steinberg,Eran; Prilutsky,Yury; Corcoran,Peter; Bigioi,Petronel; Zamfir,Adrian; Buzuloiu,Vasile; Ursu,Danutz; Zamfir,Marta, Automated statistical self-calibrating detection and removal of blemishes in digital images dependent upon changes in extracted parameter values.
  8. Chou, Chan-Min; Tsai, Chia-Lun; Yen, Chih-Pin, Continuous focusing method for digital camera.
  9. Steinberg, Eran; Bigioi, Petronel; Zamfir, Adrian, Detection and removal of blemishes in digital images utilizing original images of defocused scenes.
  10. Steinberg, Eran; Bigioi, Petronel; Zamfir, Adrian, Detection and removal of blemishes in digital images utilizing original images of defocused scenes.
  11. Steinberg,Eran; Bigioi,Petronel; Zamfir,Adrian, Detection and removal of blemishes in digital images utilizing original images of defocused scenes.
  12. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Zamfir, Adrian; Bigioi, Petronel, Digital camera with built-in lens calibration table.
  13. Steinberg, Eran; Zamfir, Adrian; Petrescu, Stefan, Digital image acquisition device with built in dust and sensor mapping capability.
  14. Kazumi, Kenichi, Document format identification apparatus and method.
  15. Suda, Yasuo, Focus detecting device with photoelectric conversion portion having microlens and with light blocking portion having first and second openings.
  16. Nakahara, Naoto, Focus detection method and focus detection apparatus.
  17. Zamfir, Marta; Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel; Zamfir, Adrian, Image defect map creation using batches of digital images.
  18. Shiraishi,Kenji, Imaging apparatus for determining a focused state.
  19. Steinberg,Eran; Prilutsky,Yury; Corcoran,Peter; Bigioi,Petronel; Zamfir,Adrian; Buzuloiu,Vasile; Ursu,Danutz; Zamfir,Marta, Method of detecting and correcting dust in digital images based on aura and shadow region analysis.
  20. Chen, Yen-Cheng, Multi-stage scanning method for increasing scanning speed and enhancing image quality.
  21. Nakahara,Naoto, Passive autofocus system for a camera.
  22. Hayashi,Yoshihiko; Fujibayashi,Keizo; Hosaka,Naoki; Sado,Tetsuo, Scanning type image pick-up apparatus and a scanning type laser beam receive apparatus.
  23. Hayashi,Yoshihiko; Fujibayashi,Keizo; Hosaka,Naoki; Sado,Tetsuo, Scanning type image pick-up apparatus and a scanning type laser beam receive apparatus.
  24. Yoshihiko Hayashi JP; Keizo Fujibayashi JP; Naoki Hosaka JP; Tetsuo Sado JP, Scanning type image pick-up apparatus and a scanning type laser beam receive apparatus.
  25. Hildebrandt, Peter W.; Dunn, Michael H.; Hutchinson, Ian G.; Wilson, Scott E.; Williams, Guy L.; Mintz, Jake; Brown, Stephen L.; Cote, Marie; Michalski, James L., Visual communication system.
  26. Hildebrandt,Peter W.; Hutchinson,Ian G.; Wilson,Scott E.; Williams,Guy L.; Mintz,Jake; Brown,Stephen G.; Cote,Marie; Michalski,James E.; Dunn,Michael H., Visual communication system.
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