SG34332A1 - Protective filter module - Google Patents

Protective filter module

Info

Publication number
SG34332A1
SG34332A1 SG1995002130A SG1995002130A SG34332A1 SG 34332 A1 SG34332 A1 SG 34332A1 SG 1995002130 A SG1995002130 A SG 1995002130A SG 1995002130 A SG1995002130 A SG 1995002130A SG 34332 A1 SG34332 A1 SG 34332A1
Authority
SG
Singapore
Prior art keywords
filter module
protective filter
protective
module
filter
Prior art date
Application number
SG1995002130A
Inventor
Roland Brenner
Roland Trentin
Original Assignee
Zeiss Stiftung
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 Zeiss Stiftung filed Critical Zeiss Stiftung
Publication of SG34332A1 publication Critical patent/SG34332A1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/023—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light comprising movable attenuating elements, e.g. neutral density filters
    • 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
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Amplifiers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Laser Surgery Devices (AREA)
  • Eye Examination Apparatus (AREA)
SG1995002130A 1994-12-13 1995-12-13 Protective filter module SG34332A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9419931U DE9419931U1 (en) 1994-12-13 1994-12-13 Protection filter module

Publications (1)

Publication Number Publication Date
SG34332A1 true SG34332A1 (en) 1996-12-06

Family

ID=6917341

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995002130A SG34332A1 (en) 1994-12-13 1995-12-13 Protective filter module

Country Status (3)

Country Link
DE (2) DE9419931U1 (en)
GB (1) GB2296103A (en)
SG (1) SG34332A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19930815B4 (en) 1999-07-01 2008-04-17 Carl Zeiss Jena Gmbh Arrangement for blocking radiation in projectors and / or lighting devices
DE102004055655B4 (en) * 2004-11-15 2006-07-27 Carl Zeiss Ag Laser protection system for an optical observation device, comprises a casting polymer matrix filter for absorbing laser radiation, which is brought in before to the objective of the observation device in the radiation detection bands
CN110292483B (en) * 2019-07-05 2021-09-17 山东省眼科医院 A light filtering protective structure for ophthalmology laser surgery

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549787A (en) * 1984-01-12 1985-10-29 Hgm, Inc. Optical shutter
DE3519378A1 (en) * 1985-05-30 1986-12-04 Fa. Carl Zeiss, 7920 Heidenheim Optical safety filter which can be swung in and out in a motorised fashion

Also Published As

Publication number Publication date
GB9525293D0 (en) 1996-02-07
DE29519157U1 (en) 1996-02-01
DE9419931U1 (en) 1995-02-09
GB2296103A (en) 1996-06-19

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