Product lighting refrigeration door

An illustrative refrigeration unit door includes a transparent window portion that receives light from a light source such that the light exhibits total internal reflection within the window portion. A series of uniformly-sized prisms with non-uniform spacing ejects light from one face of the transp...

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Bibliographische Detailangaben
1. Verfasser:	Pelka, David G
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COFFEE MILLS COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS DOMESTIC ARTICLES OR APPLIANCES FURNITURE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT PUMP SYSTEMS HEATING HUMAN NECESSITIES ICE-BOXES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PAYING COUNTERS REFRIGERATION OR COOLING REFRIGERATORS SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS,STOREHOUSES, BARS, RESTAURANTS OR THE LIKE SPICE MILLS SUCTION CLEANERS IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	An illustrative refrigeration unit door includes a transparent window portion that receives light from a light source such that the light exhibits total internal reflection within the window portion. A series of uniformly-sized prisms with non-uniform spacing ejects light from one face of the transparent window portion at angles around 60 degrees and 30 degrees. Collimated light can be used to reduce the amount of light ejected from a second face of the transparent window that is opposite the first face.