FR446801A - Viewfinder and focusing device for cameras - Google Patents

Viewfinder and focusing device for cameras

Info

Publication number
FR446801A
FR446801A FR446801DA FR446801A FR 446801 A FR446801 A FR 446801A FR 446801D A FR446801D A FR 446801DA FR 446801 A FR446801 A FR 446801A
Authority
FR
France
Prior art keywords
viewfinder
cameras
focusing device
focusing
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
Adolf Herz
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 FR446801A publication Critical patent/FR446801A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0417—Cases or cabinets of the closed type with natural air circulation
    • A47F3/0421—Cases or cabinets of the closed type with natural air circulation without refrigeration

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
FR446801D 1911-07-09 1912-07-04 Viewfinder and focusing device for cameras Expired FR446801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT446801X 1934-09-19

Publications (1)

Publication Number Publication Date
FR446801A true FR446801A (en) 1912-12-16

Family

ID=3674335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446801D Expired FR446801A (en) 1911-07-09 1912-07-04 Viewfinder and focusing device for cameras

Country Status (2)

Country Link
FR (1) FR446801A (en)
GB (1) GB446801A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20030023U1 (en) * 2003-06-04 2004-12-05 Ind Scaffalature Arredamenti Isa Spa EXHIBITOR FOR FOOD

Also Published As

Publication number Publication date
GB446801A (en) 1936-05-06

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