[특허]Lighting system for commercial refrigerator doors

[미국특허] Lighting system for commercial refrigerator doors 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F21V-005/02 F25D-027/00
출원번호	US-0163741 (1993-12-06)
발명자 / 주소	Mamelson Richard A. (Crown Point IN) Kim Richard C. (Ann Arbor MI) Kvamme Damon F. (Plymouth MI)
출원인 / 주소	Ardco, Inc. (Chicago IL 02)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

A commercial refrigerator cabinet is illuminated by fluorescent lamps which are located closely behind insulated glass doors for closing the cabinet. Each lamp is located behind a reflector and is at least partially enclosed by a clear plastic lens having multiple facets on its inner side. The reflector and the lens cause the light emitted from the lamp to reflect and refract in such a manner as to distribute the light substantially uniformly on products located at various distances from the lamp and to reduce glare in the immediate vicinity of the lamp.

대표청구항 ▼

A refrigerator cabinet light fixture assembly comprising an elongated base for mounting within the refrigerator cabinet, an elongated fluorescent lamp bulb spaced from said base and having an axis extending substantially parallel to said base, a reflector located between said base and said bulb, a lens extending from said base and at least partially enclosing said bulb and said reflector in spaced relation with said bulb, said lens having a one-piece plastic construction and including a first portion connected to said base adjacent one side of said bulb and inclined at an acute included angle relative to said base so as to converge toward said bulb upon progressing away from said base, said first portion extending away from said base to a location beyond the axis of said bulb, said lens including a second portion inclined at an obtuse included angle relative to said first portion and extending away from said location and toward a second plane containing said axis and disposed perpendicular to a predetermined target plane parallel to said base, said second portion extending beyond said bulb, and said first and second portions having inner sides with multiple facets which coact with said reflector to redistribute light energy radiating from said bulb substantially uniformly across said target plane.

이 특허를 인용한 특허 (31) 인용/피인용 타임라인 분석

Conti, Chris, Clamp for an elongated lamp.
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Pfund, David, Contoured lens for task ambient luminaires.
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Upton, Ronald D.; Brancheau, Harry A., Display case having a mullion with recessed light fixtures.
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Ronald D. Upton ; Harry A. Brancheau, Display case with door-mounted internal lighting.
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Santosuosso Joseph R. ; Downing Bennie Reed ; Calderon Fernando ; Severloh Paul ; Calderon Raymundo, Display case with lens lighting system.
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Santosuosso Joseph R. ; Downing Bennie Reed ; Calderon Fernando ; Severloh Paul ; Calderon Raymundo, Display case with lens lighting system.
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Buelow, II, Roger F.; Davenport, John M.; Cassarly, William J.; Davenport, Thomas L. R.; Frankiewicz, Gregory P.; Jenson, Chris H.; Caywood, Robert H., Elongated solid luminaire with light-emitting portion with first and second extraction regions spatially divided along the longitudinal axis thereof.
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Michael A. Branz ; Hing Wah Chiu, Environmentally controlled cabinet with sliding door within hinged door.
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Weber Ronald J., Fluorescent lamp lens assembly.
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Marquardt, Craig Eugene; Ibanez, Miguel Angel; Sicking, Daniel Edward; Miller, Michael Ray, LED luminaire for display cases.
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Li, Ming; Yang, Yi, Lens generating a batwing-shaped beam distribution, and method therefor.
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Buelow, II, Roger F.; Davenport, John M.; Cassarly, William J.; Davenport, Thomas L. R.; Frankiewicz, Gregory P.; Jenson, Chris H.; Caywood, Robert H., Lighted refrigerated display case with remote light source.
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Parkyn, William A.; Pelka, David G., Linear lenses for LEDs.
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Ter Hovhannisian,Artak, Low temperature LED lighting system.
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Hutchens, Daniel C., Luminaires and lighting structures.
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John M. Roche ; John A. Behr ; John M. Rasch, Method of making reach-in door for refrigerated merchandiser.
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Saraiji, Riad; Daniels, Mark A.; Reese, Robert J.; Kenney, Stephen; Drago, Thomas E., Multiple door display merchandiser with lighting enhancement.
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Harruff Robert J ; Gross Philip R, Neon lighting fixture.
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Ter-Hovhannisian Artak ; Ter-Oganesian Zorak, Process for manufacturing a neon tube, and related low temperature lighting system.
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Pelka, David G., Product lighting refrigeration door.
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Roche John M. ; Behr John A. ; Rasch John M., Reach-in door for refrigerated merchandiser.
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John M. Roche ; John A. Behr ; John M. Rasch, Reach-in refrigerated merchandiser.
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Madireddi, Sesha C.; Roche, John M., Refrigerated merchandiser with LED lighting.
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Yang, Yi; Harriott, Douglas; Li, Li, Retrofit-style lamp and fixture, each including a one-dimensional linear batwing lens.
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Yang, Yi; Harriott, Douglas; Li, Li, Retrofit-style lamp and fixture, each including a one-dimensional linear batwing lens.
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Lu, Dong; Pickard, Paul Kenneth, Reverse total internal reflection features in linear profile for lighting applications.
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Lu, Dong; Pickard, Paul Kenneth, Reverse total internal reflection features in linear profile for lighting applications.
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Rogers Thomas, See through refrigerator door construction.
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Tanaka, Tsutomu, Showcase.
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Nagengast, William E.; Nagengast, Judy; Tregilgas, Steven F.; Heiniger, Jerry D., Solar-powered LED module and lighting fixtures.
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Ryu, Seung Ryeol; Bae, Sang Geun; Hong, Seung Sik; Park, Kwang Ii, Tube-type or channel-type LED lighting apparatus.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Lighting system for commercial refrigerator doors 원문보기