CA993697A - Multiwavelength laser eye protective safety filter - Google Patents

Multiwavelength laser eye protective safety filter

Info

Publication number
CA993697A
CA993697A CA180,293A CA180293A CA993697A CA 993697 A CA993697 A CA 993697A CA 180293 A CA180293 A CA 180293A CA 993697 A CA993697 A CA 993697A
Authority
CA
Canada
Prior art keywords
safety filter
laser eye
multiwavelength laser
protective safety
eye protective
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
CA180,293A
Other versions
CA180293S (en
Inventor
Richard F. Woodcock
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
Application granted granted Critical
Publication of CA993697A publication Critical patent/CA993697A/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
    • G02C7/104—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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Toxicology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
  • Eyeglasses (AREA)
CA180,293A 1972-11-29 1973-09-05 Multiwavelength laser eye protective safety filter Expired CA993697A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA993697A true CA993697A (en) 1976-07-27

Family

ID=23201959

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,293A Expired CA993697A (en) 1972-11-29 1973-09-05 Multiwavelength laser eye protective safety filter

Country Status (4)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648321B2 (en) * 1983-09-26 1994-06-22 筒中プラスチツク工業株式会社 Composition for near-infrared transmitting filter and near-infrared transmitting filter using the same
JPH0621903B2 (en) * 1986-04-01 1994-03-23 ホ−ヤ株式会社 Laser protective eyeglass lens
JP4811701B2 (en) 2004-12-28 2011-11-09 山本光学株式会社 Protective eyeglass lenses
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

Also Published As

Publication number Publication date
FR2208131B3 (en) 1976-10-15
FR2208131A1 (en) 1974-06-21
DE2347019A1 (en) 1974-06-06
JPS4984665A (en) 1974-08-14

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