FR2635199B1 - Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement - Google Patents

Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement

Info

Publication number
FR2635199B1
FR2635199B1 FR8810667A FR8810667A FR2635199B1 FR 2635199 B1 FR2635199 B1 FR 2635199B1 FR 8810667 A FR8810667 A FR 8810667A FR 8810667 A FR8810667 A FR 8810667A FR 2635199 B1 FR2635199 B1 FR 2635199B1
Authority
FR
France
Prior art keywords
optical system
visual performance
low illumination
illumination levels
improving visual
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 - Fee Related
Application number
FR8810667A
Other languages
English (en)
Other versions
FR2635199A1 (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.)
BALIVET JEAN CLAUDE
Original Assignee
BALIVET JEAN CLAUDE
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 BALIVET JEAN CLAUDE filed Critical BALIVET JEAN CLAUDE
Priority to FR8810667A priority Critical patent/FR2635199B1/fr
Priority to EP19890911566 priority patent/EP0447407A1/fr
Priority to PCT/FR1989/000519 priority patent/WO1991005286A1/fr
Publication of FR2635199A1 publication Critical patent/FR2635199A1/fr
Application granted granted Critical
Publication of FR2635199B1 publication Critical patent/FR2635199B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02C7/104—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having spectral characteristics for purposes other than sun-protection

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
FR8810667A 1988-08-03 1988-08-03 Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement Expired - Fee Related FR2635199B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8810667A FR2635199B1 (fr) 1988-08-03 1988-08-03 Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement
EP19890911566 EP0447407A1 (fr) 1988-08-03 1989-10-09 Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement
PCT/FR1989/000519 WO1991005286A1 (fr) 1988-08-03 1989-10-09 Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810667A FR2635199B1 (fr) 1988-08-03 1988-08-03 Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement

Publications (2)

Publication Number Publication Date
FR2635199A1 FR2635199A1 (fr) 1990-02-09
FR2635199B1 true FR2635199B1 (fr) 1992-01-31

Family

ID=9369185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8810667A Expired - Fee Related FR2635199B1 (fr) 1988-08-03 1988-08-03 Systeme optique pour l'amelioration des performances visuelles aux bas niveaux d'eclairement

Country Status (3)

Country Link
EP (1) EP0447407A1 (fr)
FR (1) FR2635199B1 (fr)
WO (1) WO1991005286A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243554A1 (de) * 1992-12-22 1994-06-23 Horst Kuropka KFZ-Nacht-Nebel-,+ Regenbrille
DE4303552A1 (de) * 1993-02-08 1994-08-11 Horst Kuropka Sonnenbrille ASS
FR2948467B1 (fr) 2009-07-21 2011-10-21 Bnl Eurolens Masque de vision

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB597583A (en) * 1945-04-09 1948-01-29 Research Corp Optical viewing device
US3877797A (en) * 1973-10-23 1975-04-15 Westinghouse Electric Corp Optical filter combination for improving color discrimination
US3963330A (en) * 1973-12-20 1976-06-15 Vivien Boniuk Apparatus for improving human visual response during conditions of reduced ambient illumination

Also Published As

Publication number Publication date
FR2635199A1 (fr) 1990-02-09
EP0447407A1 (fr) 1991-09-25
WO1991005286A1 (fr) 1991-04-18

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse