GB2140168B - Automatic focusing - Google Patents

Automatic focusing

Info

Publication number
GB2140168B
GB2140168B GB08408769A GB8408769A GB2140168B GB 2140168 B GB2140168 B GB 2140168B GB 08408769 A GB08408769 A GB 08408769A GB 8408769 A GB8408769 A GB 8408769A GB 2140168 B GB2140168 B GB 2140168B
Authority
GB
United Kingdom
Prior art keywords
automatic focusing
focusing
automatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08408769A
Other versions
GB8408769D0 (en
GB2140168A (en
Inventor
Michio Cho
Masane Suzuki
Takayuki Saito
Hirokazu Yokoo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP5972883A external-priority patent/JPS59185319A/en
Priority claimed from JP13115383A external-priority patent/JPS6023838A/en
Priority claimed from JP13115483A external-priority patent/JPS6023837A/en
Priority claimed from JP17265083A external-priority patent/JPS6064334A/en
Priority claimed from JP58172653A external-priority patent/JPS6064337A/en
Priority claimed from JP17265283A external-priority patent/JPS6064336A/en
Priority claimed from JP22754283A external-priority patent/JPS60119530A/en
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB8408769D0 publication Critical patent/GB8408769D0/en
Publication of GB2140168A publication Critical patent/GB2140168A/en
Publication of GB2140168B publication Critical patent/GB2140168B/en
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/10—Viewfinders adjusting viewfinders field
    • G03B13/14—Viewfinders adjusting viewfinders field to compensate for parallax due to short range
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/10—Viewfinders adjusting viewfinders field
    • G03B13/12—Viewfinders adjusting viewfinders field to compensate for change of camera lens or size of picture
GB08408769A 1983-04-05 1984-04-05 Automatic focusing Expired GB2140168B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP5972883A JPS59185319A (en) 1983-04-05 1983-04-05 Device for converting field frame of camera finder
JP13115483A JPS6023837A (en) 1983-07-19 1983-07-19 Camera finder
JP13115383A JPS6023838A (en) 1983-07-19 1983-07-19 Changer for visual field frame of finder of autofocusing camera
JP58172653A JPS6064337A (en) 1983-09-19 1983-09-19 Warning device for unreachable distance of stroboscopic light
JP17265083A JPS6064334A (en) 1983-09-19 1983-09-19 Viewfinder of automatic focusing camera
JP17265283A JPS6064336A (en) 1983-09-19 1983-09-19 Short distance warning device of camera
JP22754283A JPS60119530A (en) 1983-12-01 1983-12-01 Display device for visual field frame of camera viewfinder

Publications (3)

Publication Number Publication Date
GB8408769D0 GB8408769D0 (en) 1984-05-16
GB2140168A GB2140168A (en) 1984-11-21
GB2140168B true GB2140168B (en) 1987-06-24

Family

ID=33437302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08408769A Expired GB2140168B (en) 1983-04-05 1984-04-05 Automatic focusing

Country Status (4)

Country Link
CA (1) CA1250472A (en)
DE (1) DE3412674A1 (en)
FR (1) FR2544091B1 (en)
GB (1) GB2140168B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658926A1 (en) * 1990-02-14 1991-08-30 Asahi Optical Co Ltd Photographic apparatus with a zoom lens including a macro view taking function
US5218393A (en) * 1990-04-12 1993-06-08 Asahi Kogaku Kogyo Kabushiki Kaisha Viewfinder with field of view indicating frame
JP3164247B2 (en) * 1992-06-15 2001-05-08 富士写真フイルム株式会社 ID photo camera
FI118452B (en) * 2005-01-13 2007-11-15 Jot Automation Oy Procedure for creating an image, procedure for testing an electronic device and test apparatus, test chamber and test system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB488775A (en) * 1936-10-24 1938-07-13 Askania Werke Ag Improvements in view finders for photographic cameras, particularly cinematographic cameras
FR1532389A (en) * 1967-05-10 1968-07-12 Comp Generale Electricite Device providing a mark image in an optical device
US3737212A (en) * 1970-12-14 1973-06-05 Gen Electric Diffraction optics head up display
JPS5332048A (en) * 1976-09-07 1978-03-25 Canon Inc Information mark display device
GB1579214A (en) * 1978-05-26 1980-11-12 Central Electr Generat Board Screens for optical imaging systems
US4374612A (en) * 1980-07-25 1983-02-22 Canon Kabushiki Kaisha Mark indicating device for optical apparatus
JPS57204028A (en) * 1981-06-10 1982-12-14 Canon Inc Parallax correcting device for viewfinder

Also Published As

Publication number Publication date
GB8408769D0 (en) 1984-05-16
FR2544091A1 (en) 1984-10-12
CA1250472A (en) 1989-02-28
FR2544091B1 (en) 1987-09-18
DE3412674A1 (en) 1984-10-25
GB2140168A (en) 1984-11-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee