FR715191A - Binocular - Google Patents

Binocular

Info

Publication number
FR715191A
FR715191A FR715191DA FR715191A FR 715191 A FR715191 A FR 715191A FR 715191D A FR715191D A FR 715191DA FR 715191 A FR715191 A FR 715191A
Authority
FR
France
Prior art keywords
binocular
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
Felix Petit
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 filed Critical
Application granted granted Critical
Publication of FR715191A publication Critical patent/FR715191A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length
FR715191D 1931-04-13 1931-04-13 Binocular Expired FR715191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR715191T 1931-04-13

Publications (1)

Publication Number Publication Date
FR715191A true FR715191A (en) 1931-11-26

Family

ID=9088784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715191D Expired FR715191A (en) 1931-04-13 1931-04-13 Binocular

Country Status (1)

Country Link
FR (1) FR715191A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300384A2 (en) * 1987-07-20 1989-01-25 Kanda Optical Co., Ltd. Optical device for precision work
EP0382446A2 (en) * 1989-02-06 1990-08-16 Bernard Kaye Optical Device
EP1130441A2 (en) * 2000-03-04 2001-09-05 Johannes Büttgenbach Eyepiece

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300384A2 (en) * 1987-07-20 1989-01-25 Kanda Optical Co., Ltd. Optical device for precision work
EP0300384A3 (en) * 1987-07-20 1990-06-13 Kanda Optical Co., Ltd. Optical device for precision work
EP0382446A2 (en) * 1989-02-06 1990-08-16 Bernard Kaye Optical Device
EP0382446A3 (en) * 1989-02-06 1991-07-24 Bernard Kaye Optical device
EP1130441A2 (en) * 2000-03-04 2001-09-05 Johannes Büttgenbach Eyepiece

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