IT1308844B1 - LIGHT ATTENUATION DEVICE, IN PARTICULAR FOR THE REALIZATION OF VARIABLE TRANSPARENCY TRANSPARENT ELEMENTS. - Google Patents

LIGHT ATTENUATION DEVICE, IN PARTICULAR FOR THE REALIZATION OF VARIABLE TRANSPARENCY TRANSPARENT ELEMENTS.

Info

Publication number
IT1308844B1
IT1308844B1 ITTO990825A IT1308844B1 IT 1308844 B1 IT1308844 B1 IT 1308844B1 IT TO990825 A ITTO990825 A IT TO990825A IT 1308844 B1 IT1308844 B1 IT 1308844B1
Authority
IT
Italy
Prior art keywords
realization
light attenuation
attenuation device
transparent elements
variable transparency
Prior art date
Application number
Other languages
Italian (it)
Inventor
Francesco Murano
Original Assignee
Focchi Giuseppe Spa
Francesco Murano
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 Focchi Giuseppe Spa, Francesco Murano filed Critical Focchi Giuseppe Spa
Priority to IT1999TO000825 priority Critical patent/IT1308844B1/en
Priority to AU75551/00A priority patent/AU7555100A/en
Priority to PCT/IT2000/000374 priority patent/WO2001022150A1/en
Publication of ITTO990825A1 publication Critical patent/ITTO990825A1/en
Application granted granted Critical
Publication of IT1308844B1 publication Critical patent/IT1308844B1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
IT1999TO000825 1999-09-24 1999-09-24 LIGHT ATTENUATION DEVICE, IN PARTICULAR FOR THE REALIZATION OF VARIABLE TRANSPARENCY TRANSPARENT ELEMENTS. IT1308844B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT1999TO000825 IT1308844B1 (en) 1999-09-24 1999-09-24 LIGHT ATTENUATION DEVICE, IN PARTICULAR FOR THE REALIZATION OF VARIABLE TRANSPARENCY TRANSPARENT ELEMENTS.
AU75551/00A AU7555100A (en) 1999-09-24 2000-09-22 Light attenuating device having variable transparency
PCT/IT2000/000374 WO2001022150A1 (en) 1999-09-24 2000-09-22 Light attenuating device having variable transparency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999TO000825 IT1308844B1 (en) 1999-09-24 1999-09-24 LIGHT ATTENUATION DEVICE, IN PARTICULAR FOR THE REALIZATION OF VARIABLE TRANSPARENCY TRANSPARENT ELEMENTS.

Publications (2)

Publication Number Publication Date
ITTO990825A1 ITTO990825A1 (en) 2001-03-24
IT1308844B1 true IT1308844B1 (en) 2002-01-11

Family

ID=11418094

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999TO000825 IT1308844B1 (en) 1999-09-24 1999-09-24 LIGHT ATTENUATION DEVICE, IN PARTICULAR FOR THE REALIZATION OF VARIABLE TRANSPARENCY TRANSPARENT ELEMENTS.

Country Status (3)

Country Link
AU (1) AU7555100A (en)
IT (1) IT1308844B1 (en)
WO (1) WO2001022150A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060193046A1 (en) * 2005-02-28 2006-08-31 Azgad Yellin Controllable transparence device controlled by linearly translated polarizers and method of making same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617329A (en) * 1947-07-22 1952-11-11 John F Dreyer Variable light transmission device comprising relatively movable polarized members
US4364375A (en) * 1980-08-04 1982-12-21 Exxon Research And Engineering Co. Thermal solar energy collector
EP0150667A3 (en) * 1983-11-25 1986-01-02 Collinucci, Luigi Vitreous article with variable light transmission
GB8403092D0 (en) * 1984-02-06 1984-03-07 Gardner H I Polarshade
US4902112A (en) * 1986-04-17 1990-02-20 Lowe Gregory E Variable density light transmitting device
US5164856A (en) * 1991-02-19 1992-11-17 Yongfeng Zhang Transmittance-adjustable window
WO1994010621A1 (en) * 1992-10-24 1994-05-11 Joo Sang Lim A light-adjustment screen by use of the polarizing strips
DE4327095A1 (en) * 1993-08-12 1994-07-28 Daimler Benz Ag Varying transparency of motor vehicle windows
US5940216A (en) * 1996-08-09 1999-08-17 Gibbs; Kirk Window tinting apparatus

Also Published As

Publication number Publication date
AU7555100A (en) 2001-04-24
WO2001022150A1 (en) 2001-03-29
ITTO990825A1 (en) 2001-03-24

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