Patent US5249105A successfully refreshed from Google Patents.
US5249105A
Expired / Lapsed
US
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Surface like light emitting ornamental device using optical fibers
Assignee: Aromac Co Ltd
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Filing: 1993-01-26
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Granted: 1993-09-28
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Expires: 2013-01-26
Abstract
Abstract This invention is an optical ornamental device comprising, in combination, a number of optical fibers (1) and at least one light source body (10). The optical fibers (1) are intertwined in the direction of the length to form a surface-like light leakage ornamental section (7) having a light scattering film layer (14) provided on one surface thereof to thereby increase the luminance.
Inventors
- 👤 Yoshimichi Koizumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:53
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; G02B6/001; F; F21; F21W; F21W2121/00; Y; Y10; Y10S; Y10S362/00; Y10S362/806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A surface-like light emitting ornamental device using optical fibers, comprising, in combination, optical fibers having a core portion of relatively high refractivity and a clad portion of lower refractivity than that of said core portion and high transparency, and adapted to lead light incident on one end of said core portion to another end of said core portion with said light repeating total reflection at an interface between said core portion and said clad portion many times, and a light source body disposed at least at one end of said optical fiber, characterized in that: a number of optical fibers are intertwined in a direction of the length of said fibers to form a surface-like light leakage ornamental section which overcomes total reflection, one surface side of said surface-like light leakage ornamental section having a light scattering film layer of a translucent synthetic resin coating integrally formed thereon, a second surface side opposed to said one surface side of said surface-like leakage ornamental section being uncoated by said film layer.
Claim 2
Dependent Claim
170 words
A surface-like light emitting ornamental device using optical fibers, comprising, in combination, optical fibers having a core portion of relatively high refractivity and a clad portion of lower refractivity than that of said core portion and high transparency, and adapted to lead light incident on one end of said core portion to another end of said core portion with said light repeating total reflection at an interface between said core portion and said clad portion many times, and a light source body disposed at least at one end of said optical fiber, characterized in that: a number of optical fibers are intertwined in a direction of the length of said fibers to form a surface-like light leakage ornamental section which overcomes total reflection, one surface side of said surface-like light leakage ornamental section having a light scattering film layer of a translucent synthetic resin coating integrally formed thereon, a second surface side opposed to said one surface side of said surface-like leakage ornamental section being uncoated by said film layer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-09-27 | 1997-03-29 | 1997-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-09-27 | 2001-03-29 | 2001-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-09-27 | 2005-03-29 | 2005-09-28 | $7700.00 | Window Closed / Lapsed |