FR998738A - Improvements to reflector devices - Google Patents

Improvements to reflector devices

Info

Publication number
FR998738A
FR998738A FR998738DA FR998738A FR 998738 A FR998738 A FR 998738A FR 998738D A FR998738D A FR 998738DA FR 998738 A FR998738 A FR 998738A
Authority
FR
France
Prior art keywords
improvements
reflector devices
reflector
devices
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
Auguste Vocanson
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
Priority to FR998738T priority Critical
Application granted granted Critical
Publication of FR998738A publication Critical patent/FR998738A/en
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/126Reflex reflectors including curved refracting surface
FR998738D 1949-10-07 1949-10-07 Improvements to reflector devices Expired FR998738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR998738T 1949-10-07

Publications (1)

Publication Number Publication Date
FR998738A true FR998738A (en) 1952-01-22

Family

ID=9559584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998738D Expired FR998738A (en) 1949-10-07 1949-10-07 Improvements to reflector devices

Country Status (1)

Country Link
FR (1) FR998738A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005382A (en) * 1957-11-25 1961-10-24 Minnesota Mining & Mfg Reflex-reflecting sheet materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005382A (en) * 1957-11-25 1961-10-24 Minnesota Mining & Mfg Reflex-reflecting sheet materials

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