FR790522A - Self-illuminating optical device - Google Patents

Self-illuminating optical device

Info

Publication number
FR790522A
FR790522A FR790522DA FR790522A FR 790522 A FR790522 A FR 790522A FR 790522D A FR790522D A FR 790522DA FR 790522 A FR790522 A FR 790522A
Authority
FR
France
Prior art keywords
self
optical device
illuminating optical
illuminating
optical
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
Pierre Angenieux
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 FR790522A publication Critical patent/FR790522A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR790522D 1935-05-24 1935-05-24 Self-illuminating optical device Expired FR790522A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR790522T 1935-05-24

Publications (1)

Publication Number Publication Date
FR790522A true FR790522A (en) 1935-11-22

Family

ID=9222583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790522D Expired FR790522A (en) 1935-05-24 1935-05-24 Self-illuminating optical device

Country Status (1)

Country Link
FR (1) FR790522A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726371A1 (en) * 1994-10-31 1996-05-03 Sopelem Sofretec Reflecting target for e.g optical distance measurement
WO2014045028A3 (en) * 2012-09-18 2014-05-30 Retro Reflective Systems Limited Retroreflective material and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726371A1 (en) * 1994-10-31 1996-05-03 Sopelem Sofretec Reflecting target for e.g optical distance measurement
WO2014045028A3 (en) * 2012-09-18 2014-05-30 Retro Reflective Systems Limited Retroreflective material and system

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