FR318557A - Automatic frosted glass for hand-held cameras - Google Patents

Automatic frosted glass for hand-held cameras

Info

Publication number
FR318557A
FR318557A FR318557DA FR318557A FR 318557 A FR318557 A FR 318557A FR 318557D A FR318557D A FR 318557DA FR 318557 A FR318557 A FR 318557A
Authority
FR
France
Prior art keywords
hand
frosted glass
held cameras
automatic
automatic frosted
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
Other languages
French (fr)
Inventor
Hurst
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR318557A publication Critical patent/FR318557A/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
    • G03B13/24—Focusing screens
    • G03B13/26—Focusing screens with magnifiers for inspecting image formed on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR318557D 1902-02-10 1902-02-10 Automatic frosted glass for hand-held cameras Expired FR318557A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR318557T 1902-02-10

Publications (1)

Publication Number Publication Date
FR318557A true FR318557A (en) 1902-10-18

Family

ID=1369192

Family Applications (1)

Application Number Title Priority Date Filing Date
FR318557D Expired FR318557A (en) 1902-02-10 1902-02-10 Automatic frosted glass for hand-held cameras

Country Status (1)

Country Link
FR (1) FR318557A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015310B (en) * 1952-11-19 1957-09-05 Rupert Doess Reproduction device with a ground glass and cover panels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015310B (en) * 1952-11-19 1957-09-05 Rupert Doess Reproduction device with a ground glass and cover panels

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