FR2191145A1 - - Google Patents

Info

Publication number
FR2191145A1
FR2191145A1 FR7320291A FR7320291A FR2191145A1 FR 2191145 A1 FR2191145 A1 FR 2191145A1 FR 7320291 A FR7320291 A FR 7320291A FR 7320291 A FR7320291 A FR 7320291A FR 2191145 A1 FR2191145 A1 FR 2191145A1
Authority
FR
France
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.)
Granted
Application number
FR7320291A
Other languages
French (fr)
Other versions
FR2191145B1 (enrdf_load_stackoverflow
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.)
Optische Werke G Rodenstock
Original Assignee
Optische Werke G Rodenstock
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 Optische Werke G Rodenstock filed Critical Optische Werke G Rodenstock
Publication of FR2191145A1 publication Critical patent/FR2191145A1/fr
Application granted granted Critical
Publication of FR2191145B1 publication Critical patent/FR2191145B1/fr
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
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • 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
    • G02C7/102—Photochromic filters

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
FR7320291A 1972-06-30 1973-06-05 Expired FR2191145B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722232105 DE2232105A1 (de) 1972-06-30 1972-06-30 Phototropes mehrstaerkenbrillenglas

Publications (2)

Publication Number Publication Date
FR2191145A1 true FR2191145A1 (enrdf_load_stackoverflow) 1974-02-01
FR2191145B1 FR2191145B1 (enrdf_load_stackoverflow) 1976-11-12

Family

ID=5849295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7320291A Expired FR2191145B1 (enrdf_load_stackoverflow) 1972-06-30 1973-06-05

Country Status (2)

Country Link
DE (1) DE2232105A1 (enrdf_load_stackoverflow)
FR (1) FR2191145B1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4302359A1 (de) * 1993-01-28 1994-08-18 Hellmut Dr Worch Sehhilfe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7018042U (de) * 1970-05-14 1970-12-17 Soehnges Optik Contactlinse aus phototropem material.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7018042U (de) * 1970-05-14 1970-12-17 Soehnges Optik Contactlinse aus phototropem material.

Also Published As

Publication number Publication date
FR2191145B1 (enrdf_load_stackoverflow) 1976-11-12
DE2232105A1 (de) 1974-01-17

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Legal Events

Date Code Title Description
ST Notification of lapse