FR2208131A1 - Anti laser composite lens of two different glasses - with non brittle interlayer, esp of polyvinyl butyral, between them - Google Patents

Anti laser composite lens of two different glasses - with non brittle interlayer, esp of polyvinyl butyral, between them

Info

Publication number
FR2208131A1
FR2208131A1 FR7343532A FR7343532A FR2208131A1 FR 2208131 A1 FR2208131 A1 FR 2208131A1 FR 7343532 A FR7343532 A FR 7343532A FR 7343532 A FR7343532 A FR 7343532A FR 2208131 A1 FR2208131 A1 FR 2208131A1
Authority
FR
France
Prior art keywords
esp
polyvinyl butyral
composite lens
different glasses
laser composite
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.)
Granted
Application number
FR7343532A
Other languages
English (en)
Other versions
FR2208131B3 (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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of FR2208131A1 publication Critical patent/FR2208131A1/fr
Application granted granted Critical
Publication of FR2208131B3 publication Critical patent/FR2208131B3/fr
Granted 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/02—Goggles
    • A61F9/022—Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/16—Laminated or compound lenses
FR7343532A 1972-11-29 1973-11-29 Anti laser composite lens of two different glasses - with non brittle interlayer, esp of polyvinyl butyral, between them Granted FR2208131A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31031572A 1972-11-29 1972-11-29

Publications (2)

Publication Number Publication Date
FR2208131A1 true FR2208131A1 (en) 1974-06-21
FR2208131B3 FR2208131B3 (fr) 1976-10-15

Family

ID=23201959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343532A Granted FR2208131A1 (en) 1972-11-29 1973-11-29 Anti laser composite lens of two different glasses - with non brittle interlayer, esp of polyvinyl butyral, between them

Country Status (4)

Country Link
JP (1) JPS4984665A (fr)
CA (1) CA993697A (fr)
DE (1) DE2347019A1 (fr)
FR (1) FR2208131A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1837698A1 (fr) * 2004-12-28 2007-09-26 Yamamoto Kogaku Co., Ltd. Verre de lunette pour lunettes de protection

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648321B2 (ja) * 1983-09-26 1994-06-22 筒中プラスチツク工業株式会社 近赤外線透過フイルタ−用組成物およびこれを用いた近赤外線透過フイルタ−
JPH0621903B2 (ja) * 1986-04-01 1994-03-23 ホ−ヤ株式会社 レ−ザ保護眼鏡レンズ
US20120075577A1 (en) 2006-03-20 2012-03-29 Ishak Andrew W High performance selective light wavelength filtering providing improved contrast sensitivity
US8882267B2 (en) 2006-03-20 2014-11-11 High Performance Optics, Inc. High energy visible light filter systems with yellowness index values

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267807A (en) * 1964-03-12 1966-08-23 American Optical Corp Plurality of shield units for absorbing energy from a laser beam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1837698A1 (fr) * 2004-12-28 2007-09-26 Yamamoto Kogaku Co., Ltd. Verre de lunette pour lunettes de protection
EP1837698A4 (fr) * 2004-12-28 2009-09-23 Yamamoto Kogaku Verre de lunette pour lunettes de protection
US7901074B2 (en) 2004-12-28 2011-03-08 Yamamoto Kogaku Co., Ltd. Lens for safety glasses

Also Published As

Publication number Publication date
CA993697A (en) 1976-07-27
DE2347019A1 (de) 1974-06-06
JPS4984665A (fr) 1974-08-14
FR2208131B3 (fr) 1976-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse