FR1031699A - Dispositif de lunettes à absorption variable - Google Patents

Dispositif de lunettes à absorption variable

Info

Publication number: FR1031699A
Authority: FR; France
Prior art keywords: spectacle device; variable absorption; absorption; variable; spectacle
Prior art date: 1950-12-11
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

Inventor

Luis Rodriguez Aparicio

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.)

1950-12-11

Filing date

1950-12-11

Publication date

1953-06-25

1950-12-11 Application filed filed Critical

1953-06-25 Application granted granted Critical

1953-06-25 Publication of FR1031699A publication Critical patent/FR1031699A/fr

Status Expired legal-status Critical Current

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)

FR1031699D 1950-12-11 1950-12-11 Dispositif de lunettes à absorption variable Expired FR1031699A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1031699T		1950-12-11

Publications (1)

Publication Number	Publication Date
FR1031699A true FR1031699A (fr)	1953-06-25

Family

ID=9583306

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1031699D Expired FR1031699A (fr)	1950-12-11	1950-12-11	Dispositif de lunettes à absorption variable

Country Status (1)

Country	Link
FR (1)	FR1031699A (fr)

1950
- 1950-12-11 FR FR1031699D patent/FR1031699A/fr not_active Expired

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