IT1228653B - Mezzo ottico, da impiegare in occhiali, visiere, maschere e schermi, atto a ridurre sensibilmente i tempi di percezione delle immagini ed a migliorare la definizione dei loro contorni - Google Patents

Mezzo ottico, da impiegare in occhiali, visiere, maschere e schermi, atto a ridurre sensibilmente i tempi di percezione delle immagini ed a migliorare la definizione dei loro contorni

Info

Publication number
IT1228653B
IT1228653B IT8919365A IT1936589A IT1228653B IT 1228653 B IT1228653 B IT 1228653B IT 8919365 A IT8919365 A IT 8919365A IT 1936589 A IT1936589 A IT 1936589A IT 1228653 B IT1228653 B IT 1228653B
Authority
IT
Italy
Prior art keywords
perception
visors
masks
screens
definition
Prior art date
Application number
IT8919365A
Other languages
English (en)
Other versions
IT8919365A0 (it
Inventor
Giuseppe Iori
Paolo Baiocchi
Original Assignee
Intercast Europ Spa
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 Intercast Europ Spa filed Critical Intercast Europ Spa
Priority to IT8919365A priority Critical patent/IT1228653B/it
Publication of IT8919365A0 publication Critical patent/IT8919365A0/it
Priority to EP90830033A priority patent/EP0382684B1/en
Priority to DE69033671T priority patent/DE69033671T2/de
Priority to AT90830033T priority patent/ATE197995T1/de
Priority to US07/473,339 priority patent/US5006409A/en
Priority to JP2028124A priority patent/JPH02262103A/ja
Application granted granted Critical
Publication of IT1228653B publication Critical patent/IT1228653B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/32—Compounds containing nitrogen bound to oxygen
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Eyeglasses (AREA)
  • Optical Filters (AREA)
  • Helmets And Other Head Coverings (AREA)
IT8919365A 1989-02-09 1989-02-09 Mezzo ottico, da impiegare in occhiali, visiere, maschere e schermi, atto a ridurre sensibilmente i tempi di percezione delle immagini ed a migliorare la definizione dei loro contorni IT1228653B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8919365A IT1228653B (it) 1989-02-09 1989-02-09 Mezzo ottico, da impiegare in occhiali, visiere, maschere e schermi, atto a ridurre sensibilmente i tempi di percezione delle immagini ed a migliorare la definizione dei loro contorni
EP90830033A EP0382684B1 (en) 1989-02-09 1990-01-29 Use of an azobenzene in an optical element for use in eyeglasses, visors, masks and screens to reduce the image perception time and improve the contour definition thereof
DE69033671T DE69033671T2 (de) 1989-02-09 1990-01-29 Verwendung eines Azobenzoles in einem optischen Element zur Anwendung in Augengläsern, Sichtgläsern, Masken und Schirmen zur Reduzierung der Bildperzeptionszeit und zur Verbesserung der Konturdefinition
AT90830033T ATE197995T1 (de) 1989-02-09 1990-01-29 Verwendung eines azobenzoles in einem optischen element zur anwendung in augengläsern, sichtgläsern, masken und schirmen zur reduzierung der bildperzeptionszeit und zur verbesserung der konturdefinition
US07/473,339 US5006409A (en) 1989-02-09 1990-02-01 Optical element used to reduce the image perception time
JP2028124A JPH02262103A (ja) 1989-02-09 1990-02-07 光学素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8919365A IT1228653B (it) 1989-02-09 1989-02-09 Mezzo ottico, da impiegare in occhiali, visiere, maschere e schermi, atto a ridurre sensibilmente i tempi di percezione delle immagini ed a migliorare la definizione dei loro contorni

Publications (2)

Publication Number Publication Date
IT8919365A0 IT8919365A0 (it) 1989-02-09
IT1228653B true IT1228653B (it) 1991-06-27

Family

ID=11157074

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8919365A IT1228653B (it) 1989-02-09 1989-02-09 Mezzo ottico, da impiegare in occhiali, visiere, maschere e schermi, atto a ridurre sensibilmente i tempi di percezione delle immagini ed a migliorare la definizione dei loro contorni

Country Status (6)

Country Link
US (1) US5006409A (it)
EP (1) EP0382684B1 (it)
JP (1) JPH02262103A (it)
AT (1) ATE197995T1 (it)
DE (1) DE69033671T2 (it)
IT (1) IT1228653B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592245A (en) * 1994-08-10 1997-01-07 Moore; J. Paul Apparatus for enhancing visual perception of selected objects in recreational and sporting activities
CA2162451A1 (en) * 1994-12-22 1996-06-23 John P. Murphy Anti-reflective clarifier film for eyeglasses
US5975695A (en) * 1997-09-10 1999-11-02 Intercast Europe S.P.A. Optical element for use in eye-protecting devices
EP0992832A1 (en) * 1998-10-07 2000-04-12 Intercast Europe S.P.A. Optical element for use in eye-protecting devices
CA2314137C (en) * 2000-07-14 2007-09-18 Thomas J. Chapman Ball detection viewer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826751A (en) * 1970-12-07 1974-07-30 American Optical Corp Selective optical filter and method of manufacture
DE2300488A1 (de) * 1973-01-05 1974-07-11 Bayer Ag Vic-triazolverbindungen

Also Published As

Publication number Publication date
EP0382684A2 (en) 1990-08-16
DE69033671D1 (de) 2001-01-11
ATE197995T1 (de) 2000-12-15
US5006409A (en) 1991-04-09
DE69033671T2 (de) 2001-06-07
EP0382684A3 (en) 1991-11-13
IT8919365A0 (it) 1989-02-09
EP0382684B1 (en) 2000-12-06
JPH02262103A (ja) 1990-10-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950217