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Automatic focus adjusting device 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G03B-013/00
출원번호 US-0834971 (1992-02-11)
우선권정보 JP-0077063 (1989-03-28); JP-0091143 (1989-04-11); JP-0102344 (1989-04-21)
발명자 / 주소
  • Yamada Kunihiko (Tokyo JPX) Fujiwara Akihiro (Kanagawa JPX) Suda Hirofumi (Kanagawa JPX) Toyama Masamichi (Kanagawa JPX) Kaneda Kitahiro (Kanagawa JPX)
출원인 / 주소
  • Canon Kabushiki Kaisha (Tokyo JPX 03)
인용정보 피인용 횟수 : 35  인용 특허 : 0

초록

An automatic focus adjusting device comprises an image sensor arranged to convert into a video signal an object image formed on its image sensing plane by a photo-taking lens optical system and to produce the video signal; a circuit which detects a high-frequency component included in the video sign

대표청구항

An automatic focus adjusting device comprising: (a) image sensing means for converting an object image formed on an image sensing plane by a photo-taking lens optical system into a video signal; (b) first detecting means for detecting a predetermined high-frequency component from the video signal; (

이 특허를 인용한 특허 (35)

  1. Yasuda, Hitoshi, Auto-focusing apparatus and image pickup apparatus including the same.
  2. Hirasawa Masahide,JPX, Autofocusing camera device.
  3. Kazakevich, Yuri, Autofocusing endoscopic system.
  4. Iijima Ryunosuke,JPX, Automatic focus adjusting apparatus.
  5. Yasuda, Hitoshi, Automatic focus adjusting device using luminance and illuminance detection.
  6. Suda Hirofumi,JPX ; Arai Hideyuki,JPX, Automatic focusing device using a plurality of different frequency components extracted at the same point.
  7. Sasaki, Tadashi; Wada, Masao; Inoue, Tetsuji; Kumaki, Ryoji; Nakamura, Shinobu; Tominaga, Haruo; Horiguchi, Hiroyuki; Sugiura, Hideaki; Sugawara, Masayuki, Device for determining focused state of taking lens.
  8. Senba, Takehiko, Electronic camera having improved focus performance.
  9. Wong, Earl Quong; Nakamura, Makibi; Kushida, Hidenori; Triteyaprasert, Soroj; Murakami, Yoshihiro; Li, Pingshan; Sugiura, Mamoru, Fast camera auto-focus.
  10. Maeda, Yukari, Film image reading device and method with focus adjustment.
  11. Ito Yujiro,JPX, Focus control method and video camera apparatus.
  12. Ito Yujiro,JPX ; Inomata Naoki,JPX ; Ikeyama Chiaki,JPX ; Kurita Susumu,JPX, Focus control method and video camera apparatus.
  13. Yahagi,Satoshi; Sasaki,Tadashi, Focus detecting system.
  14. Nakahara,Naoto, Focus detection method and focus detection apparatus.
  15. Kawai, Atsushi, Focus estimating device, imaging device, and storage medium storing image processing program.
  16. Kawai, Atsushi, Focus estimating device, imaging device, and storage medium storing image processing program.
  17. Toyomura, Kouichi, Focusing apparatus.
  18. Uenishi, Masaaki, Focusing device and image-capturing device provided with the same.
  19. Vaughnn, David, Focusing method and apparatus.
  20. Tamura Kyoji,JPX, Image pickup apparatus.
  21. Abe, Miki, Image pickup apparatus having a common circuit portion for autofocusing and outline emphazising circuits.
  22. Aoyama, Tatsuya, Image processing method, apparatus, and program.
  23. Takahashi, Koji, Image recording device with structure for adjusting the device based on the video signal.
  24. Yamada Kunihiko,JPX ; Hirasawa Masahide,JPX, Image sensing apparatus.
  25. Kawai, Atsushi, Image-capturing device.
  26. Park, Kyong-Tae; Lee, Jeong-Won; Moon, Kyoung-Hwan, Imaging apparatus performing auto focusing function with plurality of band pass filters and auto focusing method applied to the same.
  27. Okawara Hiroto,JPX, Lens control apparatus.
  28. Hirasawa, Masahide, Lens control device.
  29. Wong, Earl Quong; Murakami, Yoshihiro; Li, Pingshan; Edwards, Eric D.; Triteyaprasert, Soroj; Kushida, Hidenori; Nakamura, Makibi; Sugiura, Mamoru, Method and apparatus for super-resolution imaging using digital imaging devices.
  30. Inoue Akira,JPX, Method of and apparatus for calculating sharpness of image and apparatus for sharpening image.
  31. Ohta,Seiya, Optical equipment and it control method, and computer-readable storage medium.
  32. Ohta, Seiya, Optical equipment and its control method, and computer-readable storage medium.
  33. Wong, Earl Quong; Kushida, Hidenori; Nakamura, Makibi, Simple method for calculating camera defocus from an image scene.
  34. Wong, Earl Quong; Kushida, Hidenori; Nakamura, Makibi, Simple method for calculating camera defocus from an image scene.
  35. Wong, Earl Quong; Li, Pingshan; Triteyaprasert, Soroj; Kushida, Hidenori; Nakamura, Makibi; Murakami, Yoshihiro, .
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