FR1542318A - Focus indicating device for a bright image - Google Patents

Focus indicating device for a bright image

Info

Publication number
FR1542318A
FR1542318A FR127067A FR127067A FR1542318A FR 1542318 A FR1542318 A FR 1542318A FR 127067 A FR127067 A FR 127067A FR 127067 A FR127067 A FR 127067A FR 1542318 A FR1542318 A FR 1542318A
Authority
FR
France
Prior art keywords
indicating device
bright image
focus indicating
focus
bright
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
FR127067A
Other languages
French (fr)
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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
Application filed by Bell and Howell Co filed Critical Bell and Howell Co
Priority to FR127067A priority Critical patent/FR1542318A/en
Application granted granted Critical
Publication of FR1542318A publication Critical patent/FR1542318A/en
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
    • G03B13/18—Focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR127067A 1967-11-06 1967-11-06 Focus indicating device for a bright image Expired FR1542318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR127067A FR1542318A (en) 1967-11-06 1967-11-06 Focus indicating device for a bright image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR127067A FR1542318A (en) 1967-11-06 1967-11-06 Focus indicating device for a bright image

Publications (1)

Publication Number Publication Date
FR1542318A true FR1542318A (en) 1968-10-11

Family

ID=8641279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR127067A Expired FR1542318A (en) 1967-11-06 1967-11-06 Focus indicating device for a bright image

Country Status (1)

Country Link
FR (1) FR1542318A (en)

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