Solar windshield system
First Claim
1. A solar windshield system for a vehicle having a front windshield, a rear windshield and at least one side window comprising:
- (a) a first transition lens material having a first darkening strength when exposed to ultraviolet light;
(b) a second transition lens material having a second darkening strength when exposed to ultraviolet light, said second darkening strength being greater than said first darkening strength, and (c) a third transition lens material having a third darkening strength when exposed to ultraviolet light, said third darkening strength being greater than said second darkening strength.
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Accused Products
Abstract
A vehicle solar windshield system comprising a front windshield composed of a first transition lens material, at least one side window composed of a second transition lens material and a rear windshield composed of a third transition lens material. In one embodiment, the first transition lens material has a first darkening strength, the second lens material has a second darkening strength which is greater than the first darkening strength and the third lens material has a third darkening strength which is greater than the second darkening strength. In a preferred embodiment, the transitional lens material is a photochromic lens material.
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Citations
17 Claims
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1. A solar windshield system for a vehicle having a front windshield, a rear windshield and at least one side window comprising:
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(a) a first transition lens material having a first darkening strength when exposed to ultraviolet light;
(b) a second transition lens material having a second darkening strength when exposed to ultraviolet light, said second darkening strength being greater than said first darkening strength, and (c) a third transition lens material having a third darkening strength when exposed to ultraviolet light, said third darkening strength being greater than said second darkening strength. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16)
(a) said first transition lens material has a darkening strength of about 10 to about 35 percent when exposed to ultraviolet light; (b) said second transition lens material has a darkening strength of about 25 to about 55 percent when exposed to ultraviolet light, and (c) said third transition lens material has a darkening strength of about 45 to about 97 percent when exposed to ultraviolet light.
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3. The solar windshield system in accordance with claim 2, wherein
(a) said first transition lens material has a darkening strength of about 20 to about 30 percent when exposed to ultraviolet light; -
(b) said second transition lens material has a darkening strength of about 35 to about 50 percent when exposed to ultraviolet light, and (c) said third transition lens material has a darkening strength of about 65 to about 97 percent when exposed to ultraviolet light.
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4. The solar windshield system in accordance with claim 2, wherein
(a) said first transition lens material has a darkening strength of about 30 percent when exposed to ultraviolet light; -
(b) said second transition lens material has a darkening strength of about 50 percent when exposed to ultraviolet light, and (c) said third transition lens material has a darkening strength of about 97 percent when exposed to ultraviolet light.
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5. The solar windshield system in accordance with claim 1, wherein
(a) said front windshield is composed of said first transition lens material; -
(b) said at least one side window is composed of said second transition lens material, and (c) said rear windshield is composed of said third transition lens material.
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6. The solar windshield in accordance with claim 5, wherein
(a) said first transition lens material has a darkening strength of about 10 to about 35 percent when exposed to ultraviolet light; -
(b) said second transition lens material has a darkening strength of about 25 to about 55 percent when exposed to ultraviolet light, and (c) said third transition lens material has a darkening strength of about 45 to about 97 percent when exposed to ultraviolet light.
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7. The solar windshield system in accordance with claim 6, wherein
(a) said first transition lens material has a darkening strength of about 20 to about 30 percent when exposed to ultraviolet light; -
(b) said second transition lens material has a darkening strength of about 35 to about 50 percent when exposed to ultraviolet light, and (c) said third transition lens material has a darkening strength of about 65 to about 97 percent when exposed to ultraviolet light.
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8. The solar windshield system in accordance with claim 6, wherein
(a) said first transition lens material has a darkening strength of about 30 percent when exposed to ultraviolet light; -
(b) said second transition lens material has a darkening strength of about 50 percent when exposed to ultraviolet light, and (c) said third transition lens material has a darkening strength of about 97 percent when exposed to ultraviolet light.
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9. The solar windshield system in accordance with claim 5, further comprising a fourth transition lens material having a fourth darkening strength when exposed to ultraviolet light.
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10. The solar windshield system in accordance with claim 9, wherein said vehicle further comprises a sun/moon roof composed of said fourth transition lens material.
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11. The solar windshield in accordance with claim 1, wherein each of said first transition lens material, said second transition lens material and said third transition lens material is a photochromic lens material.
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12. The solar windshield in accordance with claim 5, wherein each of said first transition lens material, said second transition lens material and said third transition lens material is a photochromic lens material.
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14. The solar windshield in accordance with claim 1, wherein
(a) said first photochromic lens material has a darkening strength of about 10 to about 35 percent when exposed to ultraviolet light; -
(b) said second photochromic lens material has a darkening strength of about 25 to about 55 percent when exposed to ultraviolet light, and (c) said third photochromic lens material has a darkening strength of about 45 to about 97 percent when exposed to ultraviolet light.
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15. The solar windshield system in accordance with claim 2, wherein
(a) said first photochromic lens material has a darkening strength of about 20 to about 30 percent when exposed to ultraviolet light; -
(b) said second photochromic lens material has a darkening strength of about 35 to about 50 percent when exposed to ultraviolet light, and (c) said third photochromic lens material has a darkening strength of about 65 to about 97 percent when exposed to ultraviolet light.
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16. The solar windshield system in accordance with claim 2, wherein
(a) said first photochromic lens material has a darkening strength of about 30 percent when exposed to ultraviolet light; -
(b) said second photochromic lens material has a darkening strength of about 50 percent when exposed to ultraviolet light, and (c) said third photochromic lens material has a darkening strength of about 97 percent when exposed to ultraviolet light.
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13. A vehicle solar windshield system comprising:
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(a) a front windshield composed of a first photochromatic lens material having a first darkening strength when exposed to ultraviolet light;
(b) at least one side window composed of a second photochromic lens material having a second darkening strength when exposed to ultraviolet light, said second darkening strength being greater than said first darkening strength, and (c) a rear windshield composed of a third photochromic lens material having a third darkening strength when exposed to ultraviolet light, said third darkening strength being greater than said second darkening strength. - View Dependent Claims (17)
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Specification