Patents Assigned to Lumenyte International Corporation
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Patent number: 6866427Abstract: An LED coupled to a large core plastic optical fiber light guide with a tubular connector having a first bore into which the light guide is inserted, a second bore into which the LED and its attached wires are inserted and a third bore adjacent to the first bore, extending between the first and second bores and into which the LED is positioned so that when illuminated the LED transmits light into the guide with the first bore. The connector includes helical threads formed in the first bore into which the guide is threaded to securely retain the guide within the first bore and which form a seal to prevent contaminants from entering the region in the first bore adjacent the LED.Type: GrantFiled: November 13, 2002Date of Patent: March 15, 2005Assignee: Lumenyte International CorporationInventor: Paul E. Robbins
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Patent number: 6289150Abstract: An optical fiber conduit comprising an optical fiber core surrounded by a cladding with a reflective material or holder and/or reflector attached adjacent to or in contact with the cladding covered optical fiber core along its longitudinal length and includes a plurality of illuminators that are formed by uniform cuts in the optical fiber core to emit reasonably even light perpendicularly along the length of the conduit outwardly. The light pattern can be made to emit various beam patterns from very narrow to very wide by altering the shape of the optical fiber core and/or by the cuts. The cut optical fiber is embedded in a clear environmentally protective coating to protect the cuts from dust and moisture and to maintain the alignment of the holder and/or reflector with optical elements and the optical fiber core.Type: GrantFiled: November 8, 1999Date of Patent: September 11, 2001Assignee: Lumenyte International CorporationInventors: James R. Zarian, John A. Robbins, Dennis Sitar, James A. Holme
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Patent number: 6282355Abstract: The present invention relates to a linear light form, and its method of manufacture, having a light diverting outer layer that reflects and/or refracts ambient light directed towards the light form. The linear light form includes a light transmitting core, clad with a fluoropolymer cladding and subsequently jacketed with a polymeric finish jacket. A light diverting layer either inserted between the cladding and the jacket or surrounding the jacket is included in the linear light form. The light diverting layer preferably has the property of allowing light to be transmitted from the core out of the light form in one direction and reflecting ambient light directed towards the light form.Type: GrantFiled: September 27, 1999Date of Patent: August 28, 2001Assignee: Lumenyte International CorporationInventors: James R. Zarian, John A. Robbins
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Patent number: 5987199Abstract: An optical fiber conduit (32) comprising an optical fiber core (22) surrounded by a cladding (24) with a reflective material or holder and/or reflector (34) attached adjacent to or in contact with the cladding (24) covered optical fiber core (22) along its longitudinal length and includes a plurality of illuminators (28-30) that are formed by uniform cuts (41) in the optical fiber core (22) emit reasonably even light perpendicularly along the length of the conduit (32) outwardly. The light pattern can be made to emit various beam patterns from very narrow to very wide by altering the shape of the optical fiber core (22) and/or by the cuts (41). The cut optical fiber is embedded in a clear environmentally protective coating to protect the cuts (41) from dust and moisture and to maintain the alignment of the holder and/or reflector (34) with optical elements (106) and the optical fiber core (22).Type: GrantFiled: May 21, 1998Date of Patent: November 16, 1999Assignee: Lumenyte International CorporationInventors: James R. Zarian, John A. Robbins, Dennis Sitar, James A. Holme
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Patent number: 5298327Abstract: A plastic light conduit of cross-linked polymer material having good light transmitting characteristics, without voids or noticeable bubbles, is disclosed. Also disclosed is a method of manufacture and an apparatus, involving progressive heating of reactive monomer mixture in a tube which is submerged in a progressive reactor utilizing cold oil to maintain a cold, non-reacting zone, and hot water to create a hot zone that causes reaction, while simultaneously carrying away the excess exothermic heat of reaction.Type: GrantFiled: January 23, 1989Date of Patent: March 29, 1994Assignee: Lumenyte International CorporationInventors: Jamshid Zarian, John A. Robbins
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Patent number: 5225166Abstract: A plastic light conduit of cross-linked polymer material having good light transmitting characteristics, without voids or noticeable bubbles, is disclosed. Also disclosed is a method of manufacture and an apparatus, involving progressive heating of reactive monomer mixture in a tube which is submerged in a progressive reactor utilizing cold oil to maintain a cold, non-reacting zone, and hot water to create a hot zone that causes reaction, while simultaneously carrying away the excess exothermic heat of reaction.Type: GrantFiled: October 11, 1990Date of Patent: July 6, 1993Assignee: Lumenyte International CorporationInventors: Jamshid J. Zarian, John A. Robbins
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Patent number: 5221387Abstract: The present invention is directed to a heat shrink clad core optical conduit and to an optical conduit having either a thermoplastic, thermoset or liquid, light transmitting core surrounded by, preferably a fluoropolymer cladding which is in turn surrounded by a tight-fitting, finish polymer jacket which may be either transparent or translucent, and is preferably made of a polyvinyl chloride, polycarbonate, acrylic or silicone material. Numerous fillers and inserts may be used in the finish jacket polymer and the finish jacket polymer may be formed into various shapes. Bondable jacket materials may be used. The preferred method of forming the manufacturing jacket around a heat shrinkable fluoropolymer cladding is by extruding a low extrusion temperature polymer over a heat shrink clad in its expanded form into which an increased interior pressure is maintained to prevent shrinkage during the extrusion process.Type: GrantFiled: November 6, 1991Date of Patent: June 22, 1993Assignee: Lumenyte International CorporationInventors: John A. Robbins, Jamshid J. Zarian, Sandford R. Willford
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Patent number: 5149467Abstract: A flexible, clad, monofilament optical conduit having a flexible light transmitting polymeric core having a relatively high refractive index which is surrounded by a shrunk, heat shrinkable cladding having a relatively low refractive index in comparison to that of the core and which has a relatively small, uniform gap between the outer periphery of the core and the inner periphery of the heat shrinkable cladding, and a method of manufacture whereby a plurality of such conduits are simultaneously produced by polymerization of the conduit core forming material within a length of unshrunken heat shrinkable material which in turn is contained within a relatively thick, durable protective tubing and removal of the relatively thick protective tubing subsequent to polymerization and then shrinking the heat shrinkable material to form a relatively uniform gap between the core and the clad.Type: GrantFiled: September 30, 1991Date of Patent: September 22, 1992Assignee: Lumenyte International CorporationInventor: Jamshid J. Zarian
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Patent number: 5122580Abstract: A plastic light conduit of cross-linked polymer material having good light transmitting characteristics, without voids or noticeable bubbles, is disclosed. Also disclosed is a method of manufacture and an apparatus, involving progressive heating of reactive monomer mixture in a tube which is submerged in a progressive reactor utilizing cold oil to maintain a cold, non-reacting zone, and hot water to create a hot zone that causes reaction, while simultaneously carrying away the excess exothermic heat of reaction.Type: GrantFiled: October 11, 1990Date of Patent: June 16, 1992Assignee: Lumenyte International CorporationInventors: Jamshid Zarian, John A. Robbins
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Patent number: 5067831Abstract: The present invention is directed to a heat shrink clad core optical conduit and to an optical conduit having either a thermoplastic, thermoset or liquid, light transmitting core surrounded by, preferably a fluoropolymer cladding which is in turn surrounded by a tight-fitting, finish polymer jacket which may be either transparent or translucent, and is preferably made of a polyvinyl chloride, polycarbonate, acrylic or silicone material. Numerous fillers and inserts may be used in the finish jacket polymer and the finish jacket polymer may be formed into various shapes. Bondable jacket materials may be used. The preferred method of forming the manufacturing jacket around a heat shrinkable fluoropolymer cladding is by extruding a low extrusion temperature polymer over a heat shrink clad in its expanded form into which an increased interior pressure is maintained to prevent shrinkage during the extrusion process.Type: GrantFiled: December 13, 1989Date of Patent: November 26, 1991Assignee: Lumenyte International CorporationInventors: John A. Robbins, Jamshid J. Zarian, Sandford R. Willford
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Patent number: 5052778Abstract: A flexible clad, monofilament optical conduit having a flexible light transmitting polymeric core having a relatively high refractive index which is surrounded by a shrunk, heat shrinkable cladding having a relatively low refractive index in comparison to that of the core and which has a relatively small, uniform gap between the outer periphery of the core and the inner periphery of the heat shrinkable cladding, and a method of manufacture whereby a plurality of such conduits are simultaneously produced by polymerization of the conduit core forming material within a length of unshrunken heat shrinkable material which in turn is contained within a relatively thick, durable protective tubing and removal of the relatively thick protective tubing subsequent to polymerization and then shrinking the heat shrinkable material to form a relatively uniform gap between the core and the clad.Type: GrantFiled: August 13, 1990Date of Patent: October 1, 1991Assignee: Lumenyte International CorporationInventor: Zarian Jamshid
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Patent number: 4957347Abstract: A flexible, clad, monofilament optical conduit having a flexible light transmitting polymeric core having a relatively high refractive index which is surrounded by a shrunk, heat shrinkable cladding having a relatively low refractive index in comparison to that of the core and which has a relatively small, uniform gap between the outer periphery of the core and the inner periphery of the heat shrinkable cladding, and a method of manufacture whereby a plurality of such conduits are simultaneously produced by polymerization of the conduit core forming material within a length of unshrunken heat shrinkable material which in turn is contained within a relatively thick, durable protective tubing and removal of the relatively thick protective tubing subsequent to polymerization and then shrinking the heat shrinkable material to form a relatively uniform gap between the core and the clad.Type: GrantFiled: January 30, 1989Date of Patent: September 18, 1990Assignee: Lumenyte International CorporationInventor: Jamshid Zarian