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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Automatic focusing position detection apparatus

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G03B-003/00    G01J-001/44   
미국특허분류(USC) 354/25 ; 250/201
출원번호 US-0201528 (1980-10-28)
우선권정보 JP-0141107 (1979-10-31); JP-0152731 (1979-11-26); JP-0152732 (1979-11-26); JP-0156657 (1979-12-03)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 51  인용 특허 : 7
초록
▼

An automatic focusing position detection apparatus of a double image overlapping type having a plurality of photoelectric element groups capable of detecting rays of light from an object separately, which can detect the focusing position from the output signals from the photoelectric element groups, and which includes a shifting circuit capable of shifting the output signals from one photoelectric element group relative to the output signals of other photoelectric group, and a circuit for calculating the defocusing distance by obtaining the correlation d...

대표
청구항
▼

An automatic focusing position detection apparatus including a plurality of photoelectric element groups, each photoelectric element group capable of separately detecting light from an object, which is capable of detecting the focusing position by the output of said plurality of photoelectric element groups, comprising: shift means for shifting the output signals from a first photoelectric element group of said photoelectric element groups relative to the output signals of a second photoelectric element group of said photoelectric element groups; and def...

이 특허에 인용된 특허 (7)

  1. Isono Tadao (Kokubunji JPX). Automatic focus adjusting system. USP1979064157217.
  2. Hosoe Kazuya (Machida JPX) Niwa Yukichi (Yokohama JPX) Tsunekawa Tokuichi (Yokohama JPX) Owada Mitsutoshi (Yokohama JPX) Asano Noriyuki (Kawasaki JPX) Masunaga Makoto (Tokyo JPX). Device for focus detection or distance detection. USP1981034257705.
  3. Biber Conrad H. (Needham MA) Shenk Edwin K. (Westford MA) Tam Shirley Y. (Arlington MA). Focus control system for interchangeable adjustable focus lenses. USP1980014182563.
  4. Wick Richard (Munich DEX). Photographic apparatus with automatic focusing means. USP1980124240726.
  5. Asano Noriyuki (Kawasaki JPX) Niwa Yukichi (Yokohama JPX) Owada Mitsutoshi (Yokohama JPX) Yamagata Takaaki (Yokohama JPX) Tsuda Shin (Kawagoe JPX). Range detecting method and apparatus. USP1980024189232.
  6. Stauffer ; Norman L.. Single pass distance determining and automatic focusing apparatus with separately adjusted optical element. USP1978034080531.
  7. Schickedanz Willi (Offenbach am Main DEX). System for controlling the exposure in a camera. USP1980084218119.

이 특허를 인용한 특허 피인용횟수: 51

  1. Hayashi, Asao; Oinoue, Kenichi; Aoki, Masahiro; Ida, Masatoshi. Apparatus and method for detecting focus condition of imaging optical system employing both sharpness detection and lateral shift detection. USP1985124562346.
  2. Akashi Akira (Yokohama JPX) Ishizaki Akira (Yokohama JPX) Suda Yasuo (Yokohama JPX) Ohnuki Ichiro (Tokyo JPX) Ohtaka Keiji (Tokyo JPX) Koyama Takeshi (Tokyo JPX). Apparatus for detecting focusing state of objective lens. USP1988124792668.
  3. Kusaka Yosuke (Kawasaki JPX) Utagawa Ken (Kawasaki JPX). Auto focus camera and method of auto focus control. USP1996125587579.
  4. Suzuki, Noboru; Toji, Shigeo; Kawasaki, Masahiro. Autofocusing system for camera. USP1991075036349.
  5. Hamada Masataka (Minamikawachi JPX) Ishida Tokuji (Osaka JPX) Akada Yasuaki (Sakai JPX). Automatic focus adjusting apparatus. USP1989124888609.
  6. Hamada Masataka (Minamikawachi JPX) Ishida Tokuji (Osaka JPX) Akada Yasuaki (Sakai JPX). Automatic focus adjusting apparatus. USP1990054922279.
  7. Hamada Masataka (Osaka JPX) Ishida Tokuji (Osaka JPX) Akada Yasuaki (Sakai JPX). Automatic focus adjusting apparatus. USP1990064931821.
  8. Hamada Masataka (Osaka) Ishida Tokuji (Osaka) Akada Yasuaki (Sakai JPX). Automatic focus adjusting apparatus. USP1991035001509.
  9. Utagawa Ken (Kawasaki JPX). Automatic focus adjusting apparatus. USP1990124980715.
  10. Norita Toshio (Osaka JPX) Ishida Tokuji (Osaka JPX) Hamada Masataka (Osaka JPX) Ishibashi Kenji (Osaka JPX). Automatic focus adjusting apparatus of a camera. USP1991045005040.
  11. Akada Yasuaki (Sakai JPX) Ishikawa Norio (Osaka JPX) Egawa Takeshi (Osaka JPX) Taniguchi Nobuyuki (Tondabayashi JPX). Automatic focus control camera. USP1989054827299.
  12. Akada Yasuaki (Sakai JPX) Ishikawa Norio (Osaka JPX) Egawa Takeshi (Osaka JPX) Taniguchi Nobuyuki (Tondabayashi JPX). Automatic focus control camera. USP1988124791445.
  13. Akada Yasuaki (Sakai JPX) Ishikawa Norio (Osaka JPX) Egawa Takeshi (Osaka JPX) Taniguchi Nobuyuki (Tondabayashi JPX). Automatic focus control camera. USP1987064671640.
  14. Taniguchi Nobuyuki (Tondabayashi JPX) Omaki Takanobu (Sennan JPX) Ishikawa Norio (Osaka JPX) Nakai Masaaki (Kawachinagano JPX) Ishida Tokuji (Osaka JPX) Hamada Masataka (Minamikawachi JPX). Automatic focusing camera. USP1987104702584.
  15. Hamada Masataka (Osaka JPX) Ishida Tokuji (Daito JPX). Automatic focusing device. USP1989084860045.
  16. Hamada Masataka (Osaka JPX) Ishida Tokuji (Daito JPX). Automatic focusing device. USP1990104967224.
  17. Sakai Shinji (Tokyo JPX) Kawabata Takashi (Kanagawa JPX). Automatic focusing device. USP1987074681419.
  18. Covey Robert L. (Hightstown NJ). Automatic focussing system. USP1989034814889.
  19. Taniguchi Nobuyuki (Tondabayashi JPX) Ishikawa Norio (Osaka JPX) Akada Yasuaki (Sakai JPX) Egawa Takeshi (Sennan JPX) Kawamura Kunio (Sakai JPX). Camera system capable of automatic focus control. USP1988094774540.
  20. Taniguchi Nobuyuki (Tondabayashi JPX) Ishikawa Norio (Osaka JPX) Akada Yasuaki (Sakai JPX) Egawa Takeshi (Sennan JPX) Kawamura Kunio (Sakai JPX). Camera system capable of automatic focus control. USP1986114623238.
  21. Taniguchi Nobuyuki (Nishinomiya JPX) Ishida Tokuji (Daito JPX) Norita Toshio (Sakai JPX) Hamada Masataka (Osaka JPX) Karasaki Toshihiko (Sakai JPX). Camera with a multi-zone focus detecting device. USP1990034910548.
  22. Taniguchi Nishinomiya (Nishinomiya JPX) Ishida Tokuji (Daito JPX) Norita Toshio (Sakai JPX) Hamada Masataka (Minamikawachi JPX) Karasaki Toshihiko (Sakai JPX). Camera with an automatic focusing device. USP1989114882601.
  23. Akada Yasuaki (Sakai JPX) Ishikawa Norio (Osaka JPX) Egawa Takeshi (Sennan JPX) Taniguchi Nobuyuki (Tondabayashi JPX). Control device for use in a camera system. USP1990094958183.
  24. Yoshida,Hideo; Mihara,Yoshikazu. Distance measuring apparatus using passive AF sensor. USP2006117132634.
  25. Aihara Yoshihiko (Kanagawa JPX). Exposure control circuit for a camera having a load circuit. USP1986084607931.
  26. Norita Toshio (Sakai JPX) Ishida Tokuji (Daito JPX) Hamada Masataka (Minamikawachi JPX) Karasaki Toshihiko (Sakai JPX) Taniguchi Nobuyuki (Nishinomiya JPX). Focus condition detecting device. USP1989054835562.
  27. Norita Toshio (Sakai JPX) Ishida Tokuji (Daito JPX) Hamada Masataka (Minamikawachi JPX) Karasaki Toshihiko (Sakai JPX) Taniguchi Nobuyuki (Nishinomiya JPX). Focus condition detecting device. USP1990074942418.
  28. Taniguchi Nobuyuki (Nishinomiya JPX) Ishida Tokuji (Daito JPX) Hamada Masataka (Minamikawachi JPX) Karasaki Toshihiko (Sakai JPX) Norita Toshio (Sakai JPX). Focus condition detecting device. USP1989034816861.
  29. Taniguchi Nobuyuki (Nishinomiya JPX) Ishida Tokuji (Daito JPX) Hamada Masataka (Minamikawachi JPX) Karasaki Toshihiko (Sakai JPX) Norita Toshio (Sakai JPX). Focus condition detecting device. USP1987124716434.
  30. Ishida Tokuji (Osaka JPX) Norita Toshio (Sakai JPX). Focus condition detecting device for use in a camera. USP1987044660955.
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  32. Tsunekawa Tokuichi (Kanagawa JPX) Hosoe Kazuya (Tokyo JPX) Kinoshita Takao (Tokyo JPX) Kawabata Takashi (Kanagawa JPX) Sakai Shinji (Tokyo JPX) Taguchi Tatsuya (Tokyo JPX). Focus detecting and/or focus adjustment method. USP1987034647174.
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  47. Oinoue Kenichi (Tokyo JPX) Hayashi Asao (Hachioji JPX) Ida Masatoshi (Hachioji JPX) Aoki Masahiro (Fussa JPX) Nakamura Junichi (Hachioji JPX) Fukuoka Kenji (Fussa JPX). Method and apparatus for detecting focus condition of objective lens. USP1984044443079.
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  51. Taniguchi Nobuyuki (Nishinomiya JPX) Ishimura Toshihiko (Habikino JPX) Ishikawa Norio (Osaka JPX) Seki Reiji (Sakai JPX) Akada Yasuaki (Osaka JPX). Photo signal processing apparatus. USP199705RE35515.

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