US20060070348A1 - Collision-deterrent, energy-efficient window - Google Patents
Collision-deterrent, energy-efficient window Download PDFInfo
- Publication number
- US20060070348A1 US20060070348A1 US10/948,648 US94864804A US2006070348A1 US 20060070348 A1 US20060070348 A1 US 20060070348A1 US 94864804 A US94864804 A US 94864804A US 2006070348 A1 US2006070348 A1 US 2006070348A1
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- US
- United States
- Prior art keywords
- window
- arrangement
- panes
- pane
- reflection
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/06—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
- B44F1/066—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings comprising at least two transparent elements, e.g. sheets, layers
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/6604—Units comprising two or more parallel glass or like panes permanently secured together comprising false glazing bars or similar decorations between the panes
Definitions
- Embodiments relate to windows for edifices, such as houses and office buildings. More particularly, embodiments relate to windows incorporating arrangements to reduce the likelihood of birds flying into and colliding with windows. Additionally, embodiments relate to windows incorporating arrangements to reduce thermal load on a structure.
- a semi-transparent, semi-reflective coating, or tinting can be incorporated, which significantly improves the thermal insulating properties.
- that arrangement exacerbates the already serious problem of bird collisions, which unintentionally cause millions of unnatural deaths and injuries every year, which is a serious concern to many people.
- a window includes at least one layer of semi-reflective material, such as Mylar® or acetate with a metallized coating, imbued with a distortion.
- the layer can be hung between and/or adjacent window panes, can be a coating on one or more of the panes, or can be a shade or drape mounted in, on, or adjacent the window.
- FIG. 1 is a schematic front view of a picture window incorporating an embodiment of the invention.
- FIG. 2 is a cross section of the window of FIG. 1 taken along the line 2 - 2 .
- FIGS. 3 and 4 show an alternate implementation of the window of FIGS. 1 and 2 in which the semi-reflective layer can be moved.
- FIG. 5 is a schematic front view of a window incorporating an embodiment of the invention using a different distortion.
- FIG. 6 is a schematic cross section of an alternate implementation of the window of FIGS. 1-4 in which an alternate distortion induction method is used.
- FIGS. deal with a picture window, but many other types of windows can use embodiments, including, but not limited to, casement windows, double-hung windows, sliding glass doors, French doors and windows, and louvered windows. Further, while the description and FIGS. deal with double pane windows, triple and other multi-pane windows can employ embodiments, and even single pane windows can employ aspects of embodiments.
- embodiments are employed in a window 10 with a frame 11 and a casing 12 , and preferably including at least two panes 13 , 14 .
- the panes are preferably glass, but can be plastic or any other suitable material. Further, not all of the panes need be of the same material(s).
- Embodiments incorporate a semi-reflective material 15 , such as metallic coated Mylar® or acetate, that is imbued with a distortion so as to confuse the apparent reflected image, while leaving the transmission characteristics essentially unaffected.
- the material 15 can be intentionally distorted, warped, or embossed, or otherwise imbued with an image confusing distortion or the like.
- the material 15 takes the form of a thin layer of material hung between the panes 13 , 14 or applied to one of the panes 13 , 14 .
- the material 15 When employed in the typical situation where external illumination is significantly greater than inside ambient light level, outward viewing is transmission dominated, while the view from the exterior would seem mostly reflective. Confounding or confusing the reflected image breaks up any natural scene that might be seen from an exterior of a building in which the window 10 is installed, which can prevent wildlife from inadvertently interpreting the window as an open passage. Embodiments could also be useful in architectural situations where intense non-diffused reflections are undesirable, or in such applications as “one-way” security mirrors.
- a particular example according to embodiments includes the semi-reflective material 15 in the form of a membrane or film suspended between two separated window panes 13 , 14 , effectively forming a triple glazing.
- Standard glass panes can be mounted in the frame 11 or the casing 12 about, for example, 20 millimeters apart, while the material 15 can be hung between the two panes 13 , 14 or otherwise attached to the casing 12 between the two panes.
- a material such as chrome or silver
- some optically desirable material such as a glass pane or a plastic film like Mylars, acetate, or the like
- Thinner films or materials will likely work better and should preferably provide about equal transmission and reflection; some absorption loss may occur, likely on the order of about 30%.
- Multi-layer coatings are also contemplated in embodiments inasmuch as they can be more efficient and can offer colored films. Additionally, chemical treatments of the optical material, as well as sprayed on coatings, might be used.
- the material 15 is imbued with a distortion 16 , such as a wavy distortion.
- a distortion 16 such as a wavy distortion.
- One way to effect the distortion 16 is to treat the material 15 so that is has a “natural” set or warping that causes it to hold a wavy surface when suspended. For example, embossing, crinkling, or otherwise imposing a shape memory into the material 15 .
- the material can be wrapped over a plurality of rods 60 or the like, such as dowel pins, along the sides of the frame, as seen, for example, in FIG. 6 .
- 10 mm diameter dowel pins can be arranged on 20 mm centers to create membrane waves with a 40 mm period and 10 mm amplitude, which would tend to appear like a series of odd-looking horizontal bars.
- Additional embodiments can employ a warped pattern embossed in the film to distort the reflected imagery, where various patterns or textures or diffusive characteristics could be offered.
- the particular pattern or distortion used can vary as desired and will have an aesthetic variable in the decision. “Wavy lines” are easy to implement and suffice, but a circular pattern or distortion, such as that shown in FIG. 5 , may be preferred by others, and other, more intricate patterns or distortions could be used, too.
- tint the internal transparent window pane it is also advantageous to tint the internal transparent window pane.
- tinting can reduce the reflective properties of the glass when viewing from inside outward, since reflected light would have to pass through the attenuating tint twice, compared to once for the transmitted light, thereby effectively reducing the reflective appearance.
- Other typical anti-reflection methods can also be employed, such as a circular-polarizing anti-reflection film, which would nearly eliminate the inside reflective component.
- standard anti-reflection coatings on the flat glass surfaces can also reduce the unwanted specular reflections from treated flat transparent surfaces, although the warped semi-reflective component would tend to overwhelm such reflections.
- Such circular-polarizing and other anti-reflective films and/or coatings can be had from many vendors, such as American Polarizers, Inc., of Reading, Pa.
- Alternative embodiments can employ the semi-reflective plastic film as a window shade, such as Roman blinds, a zigzag or fan-fold form, or a wavy form like ribbon candy pierced by cords, which could be retractable like typical accessory shades for standard windows.
- a typical roll shade would also be possible, if the material is made to automatically assume a non-flat profile.
- FIGS. 4 and 5 An example of an embodiment employing a folding film is seen in FIGS. 4 and 5 .
- the reflection disruptive material 15 is affixed at its top edge to the casing 12 or frame 11 .
- a folding system 30 includes a line 31 extending from the exterior of the window 10 over a pulley 32 through the material 15 to a batten 33 .
- the batten 33 in the bottom edge of the material serves as a downward biasing element as well as an attachment point for the line 31 .
- the batten 33 rises, folding the material 15 up out of the way—substantially out of interposition between the panes 13 , 14 as seen in FIG. 5 .
- Embodiments could further use a distorting semi-reflective surface embedded within a glass or plastic window pane, or even a composite structure such as safety glass. With the external surfaces flat and the index of refraction constant, the transmitted imaging would be optically faithful, while reflection off the embedded layer would be intentionally confused.
- Such an embedded layer could be achieved, for example, by forming one of the panes 13 , 14 as a composite pane having end portions and the middle embedded layer. The end portions would each have a planar surface and complementary wavy surfaces. One of the wavy surfaces would support the embedded layer, as by static, gluing, coating, or the like. The other wavy surface would then be affixed, yielding a composite pane with two planar surfaces and a semi-reflective embedded layer.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Blinds (AREA)
Abstract
A window design that includes a thin semi-transparent reflective surface that is intentionally distorted, so as to disrupt and confuse reflected images without significantly impairing transmitted viewing, thereby providing energy-efficient properties while reducing inadvertent collisions, particularly from birds. The surface can be a layer of material suspended or supported between two panes of a window or sliding glass door, or can be a coating on a pane.
Description
- Embodiments relate to windows for edifices, such as houses and office buildings. More particularly, embodiments relate to windows incorporating arrangements to reduce the likelihood of birds flying into and colliding with windows. Additionally, embodiments relate to windows incorporating arrangements to reduce thermal load on a structure.
- In order to improve the energy efficiency of traditional glass windows, a semi-transparent, semi-reflective coating, or tinting can be incorporated, which significantly improves the thermal insulating properties. However, that arrangement exacerbates the already serious problem of bird collisions, which unintentionally cause millions of unnatural deaths and injuries every year, which is a serious concern to many people.
- Embodiments thus contemplate an arrangement of glass and/or plastic and a semi-reflective material arranged to reduce the likelihood of a bird colliding with a window using embodiments while still reducing thermal load on the structure in which such a window is installed. In embodiments, a window includes at least one layer of semi-reflective material, such as Mylar® or acetate with a metallized coating, imbued with a distortion. The layer can be hung between and/or adjacent window panes, can be a coating on one or more of the panes, or can be a shade or drape mounted in, on, or adjacent the window.
- Embodiments will be described with reference to the accompanying Figures.
-
FIG. 1 is a schematic front view of a picture window incorporating an embodiment of the invention. -
FIG. 2 is a cross section of the window ofFIG. 1 taken along the line 2-2. -
FIGS. 3 and 4 show an alternate implementation of the window ofFIGS. 1 and 2 in which the semi-reflective layer can be moved. -
FIG. 5 is a schematic front view of a window incorporating an embodiment of the invention using a different distortion. -
FIG. 6 is a schematic cross section of an alternate implementation of the window ofFIGS. 1-4 in which an alternate distortion induction method is used. - The description that follows and the accompanying FIGS. deal with a picture window, but many other types of windows can use embodiments, including, but not limited to, casement windows, double-hung windows, sliding glass doors, French doors and windows, and louvered windows. Further, while the description and FIGS. deal with double pane windows, triple and other multi-pane windows can employ embodiments, and even single pane windows can employ aspects of embodiments.
- Beginning with
FIGS. 1 and 2 , embodiments are employed in awindow 10 with aframe 11 and acasing 12, and preferably including at least twopanes panes panes window 10 is installed, which can prevent wildlife from inadvertently interpreting the window as an open passage. Embodiments could also be useful in architectural situations where intense non-diffused reflections are undesirable, or in such applications as “one-way” security mirrors. - A particular example according to embodiments, as seen in
FIGS. 2-4 , includes the semi-reflective material 15 in the form of a membrane or film suspended between two separatedwindow panes frame 11 or thecasing 12 about, for example, 20 millimeters apart, while the material 15 can be hung between the twopanes casing 12 between the two panes. - With regard to the coating, deposition of a material, such as chrome or silver, on some optically desirable material, such as a glass pane or a plastic film like Mylars, acetate, or the like, would likely be appropriate. Thinner films or materials will likely work better and should preferably provide about equal transmission and reflection; some absorption loss may occur, likely on the order of about 30%. Multi-layer coatings are also contemplated in embodiments inasmuch as they can be more efficient and can offer colored films. Additionally, chemical treatments of the optical material, as well as sprayed on coatings, might be used.
- To achieve the desired reflection confusing or altering effect, the material 15 is imbued with a
distortion 16, such as a wavy distortion. One way to effect thedistortion 16 is to treat the material 15 so that is has a “natural” set or warping that causes it to hold a wavy surface when suspended. For example, embossing, crinkling, or otherwise imposing a shape memory into the material 15. Alternatively, the material can be wrapped over a plurality ofrods 60 or the like, such as dowel pins, along the sides of the frame, as seen, for example, inFIG. 6 . For example, 10 mm diameter dowel pins can be arranged on 20 mm centers to create membrane waves with a 40 mm period and 10 mm amplitude, which would tend to appear like a series of odd-looking horizontal bars. Additional embodiments can employ a warped pattern embossed in the film to distort the reflected imagery, where various patterns or textures or diffusive characteristics could be offered. - The particular pattern or distortion used can vary as desired and will have an aesthetic variable in the decision. “Wavy lines” are easy to implement and suffice, but a circular pattern or distortion, such as that shown in
FIG. 5 , may be preferred by others, and other, more intricate patterns or distortions could be used, too. - In embodiments, it is also advantageous to tint the internal transparent window pane. Such tinting can reduce the reflective properties of the glass when viewing from inside outward, since reflected light would have to pass through the attenuating tint twice, compared to once for the transmitted light, thereby effectively reducing the reflective appearance. Other typical anti-reflection methods can also be employed, such as a circular-polarizing anti-reflection film, which would nearly eliminate the inside reflective component. Additionally, standard anti-reflection coatings on the flat glass surfaces can also reduce the unwanted specular reflections from treated flat transparent surfaces, although the warped semi-reflective component would tend to overwhelm such reflections. Such circular-polarizing and other anti-reflective films and/or coatings can be had from many vendors, such as American Polarizers, Inc., of Reading, Pa.
- Alternative embodiments can employ the semi-reflective plastic film as a window shade, such as Roman blinds, a zigzag or fan-fold form, or a wavy form like ribbon candy pierced by cords, which could be retractable like typical accessory shades for standard windows. In such embodiments, a typical roll shade would also be possible, if the material is made to automatically assume a non-flat profile. An example of an embodiment employing a folding film is seen in
FIGS. 4 and 5 . The reflection disruptive material 15 is affixed at its top edge to thecasing 12 orframe 11. Afolding system 30 includes aline 31 extending from the exterior of thewindow 10 over apulley 32 through the material 15 to abatten 33. Thebatten 33 in the bottom edge of the material to serves as a downward biasing element as well as an attachment point for theline 31. By pulling theline 31, thebatten 33 rises, folding the material 15 up out of the way—substantially out of interposition between thepanes FIG. 5 . - Embodiments could further use a distorting semi-reflective surface embedded within a glass or plastic window pane, or even a composite structure such as safety glass. With the external surfaces flat and the index of refraction constant, the transmitted imaging would be optically faithful, while reflection off the embedded layer would be intentionally confused. Such an embedded layer could be achieved, for example, by forming one of the
panes - The claims, as originally presented and as they may be amended, encompass variations, alternatives, modifications, improvements, equivalents, and substantial equivalents of the embodiments and teachings disclosed herein, including those that are presently unforeseen or unappreciated, and that, for example, may arise from applicants/patentees and others.
Claims (29)
1. A collision deterrent window treatment comprising an at least semi-reflective material imbued with a reflection disruptive distortion so that when the material is arranged in proximity to a window pane, a reflection of the exterior is substantially disrupted when viewed from the exterior.
2. The window treatment of claim 1 wherein the distortion is embossed in the material.
3. The window treatment of claim 1 wherein the distortion is imposed by wrapping the material over objects.
4. The window treatment of claim 4 further comprises a plurality of spaced apart dowels mounted along a line in proximity to and substantially parallel to a window pane and the material wraps over alternate sides of the dowels, thereby giving a substantially sinusoidal cross section to the material that appears as a series of alternating light and dark bands when viewed from an exterior of a structure in which the window pane is installed.
5. The window treatment of claim 1 wherein the material is collapsible, allowing easy temporary removal and further comprising an actuator that, when activated, folds the material away from the window pane.
6. The window treatment of claim 1 wherein the material is easily rollable and further comprising a spring-loaded roller that, when activated, will selectively remove and replace the material in proximity to a window pane.
7. The window treatment of claim 1 wherein the material comprises acetate.
8. The window treatment of claim 1 wherein the material comprises Mylar®.
9. The window treatment of claim 1 comprising a composite pane with an embedded semi-reflective surface.
10. The window treatment of claim 1 comprising a first pane having a first planar surface and a first distorted surface, a second pane having a second planar surface and a second distorted surface that complements and mates with the first distorted surface, the at least semi-reflective material being mounted on one of the first and second distorted surfaces, thereby being distorted, and being sandwiched between the distorted surfaces of the first and second panes.
11. A window collision deterrent method comprising providing an at least semi-reflective material, imbuing the material with a reflection disruptive distortion, and arranging the material in proximity to a window pane, thereby disrupting a reflection ordinarily visible from an exterior of a structure in which the window pane is disposed.
12. The method of claim 11 wherein imbuing comprises embossing the distortion into the material.
13. The method of claim 11 wherein imbuing comprises shaping the material in situ.
14. The method of claim 13 wherein shaping includes wrapping the material over objects.
15. The method of claim 14 wherein shaping further includes mounting a plurality of spaced apart dowels in proximity to and substantially parallel to the window pane and wrapping the material over alternate sides of the dowels, thereby providing the material with a substantially sinusoidal distortion appearing as a plurality of alternating light and dark bands when viewed from a side of the window pane having substantially greater ambient light than another side of the window pane.
16. The method of claim 11 wherein arranging comprises fixedly attaching the material to a casing of the window.
17. The method of claim 11 wherein arranging comprises providing an actuator that selectively substantially removes the material from view.
18. The method of claim 17 wherein the material is rollable and providing an actuator comprises providing a window shade roller.
19. The method of claim 17 wherein the material is predisposed toward collapsing and providing an actuator comprises connecting at least one line to a bottom edge of the material, providing a pulley, receiving the line over the pulley, and selectively lifting and lowering the bottom edge with the line, thereby selectively folding and unfolding the material.
20. A collision deterrent window arrangement comprising at least two spaced-apart panes mounted in a frame, a reflection disruptive material disposed in proximity to at least one of the panes, thereby disrupting a reflection ordinarily visible from an exterior of a structure in which the window is installed.
21. The arrangement of claim 20 further comprising a plurality of dowels mounted in and across the frame substantially parallel to the panes, the material being wrapped over alternate sides of the dowels to impart a substantially sinusoidal cross section to the material.
22. The arrangement of claim 20 wherein the reflection disruptive material comprises a reflection disruptive distortion embossed thereon.
23. The arrangement of claim 20 further comprising an anti-reflection coating disposed on at least one of the panes.
24. The arrangement of claim 20 further comprising a circular polarizing material disposed in an interior of the window.
25. The arrangement of claim 20 wherein the material comprises acetate.
26. The arrangement of claim 20 wherein the material comprises Mylar®.
27. The arrangement of claim 20 further comprising a roller mounted in and across a top of the frame, a bottom edge of the material being biased toward a bottom of the arrangement, and a top edge of the material being secured to the roller so that the material can be selectively rolled and unrolled on the roller, thereby selectively moving the material substantially in and out of interposition between the panes.
28. The arrangement of claim 20 further comprising a batten mounted across a bottom edge of the material, a line connected to the batten and to a pull, and a pulley over which the line is received, so that pulling the line raises the batten and folds the material, substantially removing the material from interposition between the panes, and subsequently releasing the line lowers the batten and unfolds the material, interposing the material between the panes.
29. The arrangement of claim 28 wherein the material comprises pleats to enhance folding.
Priority Applications (1)
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US10/948,648 US20060070348A1 (en) | 2004-09-24 | 2004-09-24 | Collision-deterrent, energy-efficient window |
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US10/948,648 US20060070348A1 (en) | 2004-09-24 | 2004-09-24 | Collision-deterrent, energy-efficient window |
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US20060070348A1 true US20060070348A1 (en) | 2006-04-06 |
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US10/948,648 Abandoned US20060070348A1 (en) | 2004-09-24 | 2004-09-24 | Collision-deterrent, energy-efficient window |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100011702A1 (en) * | 2008-07-15 | 2010-01-21 | The Boeing Company. | Opaque fiber reinforcement of composites |
DE102009039885B3 (en) * | 2009-09-03 | 2011-03-31 | Saint-Gobain Sekurit Deutschland Gmbh & Co. Kg | Illuminated pane arrangement |
US20170020123A1 (en) * | 2014-02-27 | 2017-01-26 | Boraident Gmbh | Method for Producing a Bird Protection Device and Bird Protection Device |
US20190263232A1 (en) * | 2018-02-28 | 2019-08-29 | Deep View, Llc | Adjustable Polar Blind Assembly for a Window |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE102009039885B3 (en) * | 2009-09-03 | 2011-03-31 | Saint-Gobain Sekurit Deutschland Gmbh & Co. Kg | Illuminated pane arrangement |
US20170020123A1 (en) * | 2014-02-27 | 2017-01-26 | Boraident Gmbh | Method for Producing a Bird Protection Device and Bird Protection Device |
US9974298B2 (en) * | 2014-02-27 | 2018-05-22 | Boraident Gmbh | Method for producing a bird protection device and bird protection device |
US20190263232A1 (en) * | 2018-02-28 | 2019-08-29 | Deep View, Llc | Adjustable Polar Blind Assembly for a Window |
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