FR623931A - Protective glass against glare, and its manufacturing processes - Google Patents

Protective glass against glare, and its manufacturing processes

Info

Publication number
FR623931A
FR623931A FR623931DA FR623931A FR 623931 A FR623931 A FR 623931A FR 623931D A FR623931D A FR 623931DA FR 623931 A FR623931 A FR 623931A
Authority
FR
France
Prior art keywords
manufacturing processes
protective glass
glass against
against glare
glare
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)
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.)
OPTIQUE TELEGIC SOC D
Original Assignee
OPTIQUE TELEGIC SOC D
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 OPTIQUE TELEGIC SOC D filed Critical OPTIQUE TELEGIC SOC D
Application granted granted Critical
Publication of FR623931A publication Critical patent/FR623931A/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
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/105—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR623931D 1926-10-30 1926-10-30 Protective glass against glare, and its manufacturing processes Expired FR623931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR623931T 1926-10-30

Publications (1)

Publication Number Publication Date
FR623931A true FR623931A (en) 1927-07-04

Family

ID=8986740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623931D Expired FR623931A (en) 1926-10-30 1926-10-30 Protective glass against glare, and its manufacturing processes

Country Status (1)

Country Link
FR (1) FR623931A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301029A1 (en) * 1975-02-12 1976-09-10 Therol Marcel Protective glasses which increase visual acuity - by contrast enhancement using absorption, partial reflection or other effect
FR2483631A1 (en) * 1980-05-30 1981-12-04 Giroldi Giovanni Shading of sunglasses lenses - with respect to notch to give accurate location of shading
FR2684771A1 (en) * 1991-12-05 1993-06-11 Pujolle Michel Principle of colouring spectacle lenses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301029A1 (en) * 1975-02-12 1976-09-10 Therol Marcel Protective glasses which increase visual acuity - by contrast enhancement using absorption, partial reflection or other effect
FR2483631A1 (en) * 1980-05-30 1981-12-04 Giroldi Giovanni Shading of sunglasses lenses - with respect to notch to give accurate location of shading
FR2684771A1 (en) * 1991-12-05 1993-06-11 Pujolle Michel Principle of colouring spectacle lenses

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