Patents by Inventor Paul Constantinou
Paul Constantinou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240117135Abstract: A system including an injector, a press, and a robotic conveyance is used to form a physically foamed article of footwear component from a single-phase solution of a polymeric composition and a supercritical fluid. The parameters and features of the system are configured for the formation of the footwear component in an automated manner with enhanced throughput by the system.Type: ApplicationFiled: December 14, 2023Publication date: April 11, 2024Inventors: Paul Irving Archer, Hossein Allen Baghdadi, Jay Constantinou, Gregory Paul Dufour, Sami Mohamad Fakhouri, Floyd Whitney Miles, Joseph Thomas Muth, Bradley C. Tutmark
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Patent number: 11921251Abstract: Inductive position sensors for sensing relative position (e.g., relative rotary position) between members are provided. In one example implementation, the inductive position sensor includes a transmit aerial having at least one transmit winding. The inductive position sensor can include a receive aerial having one or more receive windings. The inductive position sensor can include a coupling element operable to be disposed on the second member. The inductive position sensor can include processing circuitry configured to provide one or more signals indicative of the position of the first member relative to the second member based on current induced in the one or more receive windings resulting from an oscillating signal provided to the transmit winding. The inductive position sensor includes at least one electrostatic shield. The electrostatic shield can include a plurality of conductive traces arranged so that no current loops are formed in the electrostatic shield.Type: GrantFiled: January 13, 2023Date of Patent: March 5, 2024Assignee: KYOCERA AVX Components (Werne) GmbHInventors: David Witts, Peter Constantinou, Paul Smith
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Publication number: 20230314924Abstract: A system may include a projector subsystem in a theatre projecting fight toward a screen, a sensor measuring light levels of the projected light, and a processing device. The projector subsystem may project light such that there is a hazardous light area and a non-hazardous light area of an audience seating area. The processing device may receive a measured light level of projected light from the sensor. The processing device may determine a second light level between the hazardous light area and the non-hazardous light area based on the measured light level and the position of the light projected over the audience seating area. The processing device may compare the second light level to an unsafe threshold light level. The processing device may determine a configuration for the system such that the light level of projected light in the non-hazardous light area is less than the unsafe threshold light level.Type: ApplicationFiled: August 6, 2021Publication date: October 5, 2023Inventors: John William Bowron, Paul Constantinou, Anton Leonard Baljet
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Patent number: 11307241Abstract: A method is disclosed for maintaining a desired optical output in a solid state illumination device, where the device is configured to accommodate multiple light emitting diodes (LEDs) and to combine light from the LEDs to produce a single optical output. The method includes testing the LEDs before adding them into the device. The testing produces characterizing information that describes how one or more optical properties (e.g., optical power and/or peak wavelength) of the tested LED change with temperature. This characterizing information is stored in a computer-based memory of the device, and the tested LED is added (connected) into the device. Then, during operation, temperature sensors measure a temperature associated with each respective LED in the device, and electrical current to one or more of the LEDs can be adjusted based on the measured temperatures associated with each LED and its stored characterizing information.Type: GrantFiled: January 24, 2019Date of Patent: April 19, 2022Assignee: Excelitas Canada, Inc.Inventors: Erik Sorensen, Douglas MacDonald, Paul Constantinou, Yong Wang
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Publication number: 20210037624Abstract: A method is disclosed for maintaining a desired optical output in a solid state illumination device, where the device is configured to accommodate multiple light emitting diodes (LEDs) and to combine light from the LEDs to produce a single optical output. The method includes testing the LEDs before adding them into the device. The testing produces characterizing information that describes how one or more optical properties (e.g., optical power and/or peak wavelength) of the tested LED change with temperature. This characterizing information is stored in a computer-based memory of the device, and the tested LED is added (connected) into the device. Then, during operation, temperature sensors measure a temperature associated with each respective LED in the device, and electrical current to one or more of the LEDs can be adjusted based on the measured temperatures associated with each LED and its stored characterizing information.Type: ApplicationFiled: January 24, 2019Publication date: February 4, 2021Inventors: Erik Sorensen, Douglas MacDonald, Paul Constantinou, Yong Wang
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Patent number: 10788678Abstract: An illumination system includes a phosphor to emit light in a wavelength band ??PHOSPHOR, a second light source to emit light at a second wavelength ?2 within an absorption band of the phosphor, a third light source to emit light at a third wavelength ?3 and a fourth light source to emit light at a fourth wavelength ?4. A controller drives the second, third and fourth light sources. A first dichroic optical element: 1) directs light from the phosphor to an optical output of the system, 2) directs light from the third light source to the optical output, and 3) directs light from the fourth light source to the optical output. A second dichroic optical element: 1) directs light from the third light source to the first dichroic optical element, and 2) directs the light from the fourth light source to the first dichroic optical element.Type: GrantFiled: December 12, 2018Date of Patent: September 29, 2020Assignee: Excelitas Canada, Inc.Inventors: Yong Wang, Paul Constantinou, Sola Anne Kuk
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Patent number: 10730072Abstract: A dispensing and ultraviolet (UV) curing system is disclosed with low backscatter. The system includes a dispenser for dispensing an ultraviolet (UV) curable material onto a substrate and a UV radiation source assembly coupled to the dispenser and operable to facilitate curing the UV curable material that has been dispensed onto the substrate. The UV radiation source assembly has a UV radiation source with a first optical axis and an optical element with a second optical axis. The second optical axis is different than the first optical axis. The optical element is configured such that, during operation, UV radiation from the UV radiation source passes through the optical element.Type: GrantFiled: March 13, 2015Date of Patent: August 4, 2020Assignee: Excelitas Canada, Inc.Inventors: Yong Wang, Erik Sorensen, Paul Constantinou
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Publication number: 20190121146Abstract: An illumination system includes a phosphor to emit light in a wavelength band ??PHOSPHOR, a second light source to emit light at a second wavelength ?2 within an absorption band of the phosphor, a third light source to emit light at a third wavelength ?3 and a fourth light source to emit light at a fourth wavelength ?4. A controller drives the second, third and fourth light sources. A first dichroic optical element: 1) directs light from the phosphor to an optical output of the system, 2) directs light from the third light source to the optical output, and 3) directs light from the fourth light source to the optical output. A second dichroic optical element: 1) directs light from the third light source to the first dichroic optical element, and 2) directs the light from the fourth light source to the first dichroic optical element.Type: ApplicationFiled: December 12, 2018Publication date: April 25, 2019Inventors: Yong Wang, Paul Constantinou, Sola Anne Kuk
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Publication number: 20180275416Abstract: An illumination system includes a phosphor to emit light in a wavelength band ??PHOSHPOR, a second light source to emit light at a second wavelength ?2 within an absorption band of the phosphor, a third light source to emit light at a third wavelength ?3 and a fourth light source to emit light at a fourth wavelength ?4. A controller drives the second, third and fourth light sources. A first dichroic optical element: 1) directs light from the phosphor to an optical output of the system, 2) directs light from the third light source to the optical output, and 3) directs light from the fourth light source to the optical output. A second dichroic optical element: 1) directs light from the third light source to the first dichroic optical element, and 2) directs the light from the fourth light source to the first dichroic optical element.Type: ApplicationFiled: March 19, 2018Publication date: September 27, 2018Inventors: Yong Wang, Paul Constantinou, Sola Anne Kuk
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Patent number: 10082658Abstract: A high power microscopy illumination system is disclosed, having a liquid cooled, Solid State Light Source (SSLS) unit including one or more LED light sources, thermally mounted on a cold plate, which is cooled by a closed-loop liquid cooling system including a remote unit housing a heat exchanger. The SSLS unit with the LED light source is compact and lightweight, and is mechanically and optically directly coupled to the illumination port of the microscope, for efficient optical coupling to the imaging plane. High capacity cooling of the LEDs, enables the LEDs to be driven at higher current densities for increased optical output and for operation with improved thermal stability. The LED driver circuitry may also be housed within the SSLS unit and liquid cooled. The SSLS unit is vibrationally isolated from vibration-causing components of the cooling system, such as cooling fans and other bulky components, which are housed in the remote unit.Type: GrantFiled: June 25, 2014Date of Patent: September 25, 2018Assignee: Excelitas Canada, Inc.Inventor: Paul Constantinou
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Patent number: 9952442Abstract: An illumination system includes a phosphor to emit light in a wavelength band ??PHOSPHOR, a second light source to emit light at a second wavelength ?2 within an absorption band of the phosphor, a third light source to emit light at a third wavelength ?3 and a fourth light source to emit light at a fourth wavelength ?4. A controller drives the second, third and fourth light sources. A first dichroic optical element: 1) directs light from the phosphor to an optical output of the system, 2) directs light from the third light source to the optical output, and 3) directs light from the fourth light source to the optical output. A second dichroic optical element: 1) directs light from the third light source to the first dichroic optical element, and 2) directs the light from the fourth light source to the first dichroic optical element.Type: GrantFiled: September 23, 2015Date of Patent: April 24, 2018Assignee: Excelitas Canada, Inc.Inventors: Yong Wang, Paul Constantinou, Sola Anne Kuk
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Patent number: 9904045Abstract: A device for increasing the optical power of a solid state light source in the green and/or yellow bands, is disclosed. The device has an integral body having an ingress surface configured to receive light from an emitting portion of the solid state light source, an egress surface substantially opposite the ingress surface, and a recess formed within the body. The recess has an input opening in the ingress surface, an output opening in the egress surface, and a recess surface within the body extending between the input opening and the output opening. The recess surface is configured to reflect visible light with Lambertian scatter characteristics.Type: GrantFiled: February 23, 2017Date of Patent: February 27, 2018Assignee: Excelitas Canada, Inc.Inventors: Yong Wang, Paul Constantinou, Sola Anne Kuk
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Publication number: 20170160530Abstract: A device for increasing the optical power of a solid state light source in the green and/or yellow bands, is disclosed. The device has an integral body having an ingress surface configured to receive light from an emitting portion of the solid state light source, an egress surface substantially opposite the ingress surface, and a recess formed within the body. The recess has an input opening in the ingress surface, an output opening in the egress surface, and a recess surface within the body extending between the input opening and the output opening. The recess surface is configured to reflect visible light with Lambertian scatter characteristics.Type: ApplicationFiled: February 23, 2017Publication date: June 8, 2017Inventors: Yong Wang, Paul Constantinou, Sola Anne Kuk
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Patent number: 9581314Abstract: A device for increasing the optical power of a solid state light source in the green and/or yellow bands, is disclosed. The device has an integral body having an ingress surface configured to receive light from an emitting portion of the solid state light source, an egress surface substantially opposite the ingress surface, and a recess formed within the body. The recess has an input opening in the ingress surface, an output opening in the egress surface, and a recess surface within the body extending between the input opening and the output opening. The recess surface is configured to reflect visible light with Lambertian scatter characteristics.Type: GrantFiled: April 21, 2015Date of Patent: February 28, 2017Assignee: Excelites Canada, Inc.Inventors: Yong Wang, Paul Constantinou, Sola Kuk
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Publication number: 20160370567Abstract: A high power microscopy illumination system is disclosed, having a liquid cooled, Solid State Light Source (SSLS) unit including one or more LED light sources, thermally mounted on a cold plate, which is cooled by a closed-loop liquid cooling system including a remote unit housing a heat exchanger. The SSLS unit with the LED light source is compact and lightweight, and is mechanically and optically directly coupled to the illumination port of the microscope, for efficient optical coupling to the imaging plane. High capacity cooling of the LEDs, enables the LEDs to be driven at higher current densities for increased optical output and for operation with improved thermal stability. The LED driver circuitry may also be housed within the SSLS unit and liquid cooled. The SSLS unit is vibrationally isolated from vibration-causing components of the cooling system, such as cooling fans and other bulky components, which are housed in the remote unit.Type: ApplicationFiled: June 25, 2014Publication date: December 22, 2016Applicant: EXCELITAS CANADA, INC.Inventor: Paul Constantinou
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Publication number: 20160312980Abstract: A device for increasing the optical power of a solid state light source in the green and/or yellow bands, is disclosed. The device has an integral body having an ingress surface configured to receive light from an emitting portion of the solid state light source, an egress surface substantially opposite the ingress surface, and a recess formed within the body. The recess has an input opening in the ingress surface, an output opening in the egress surface, and a recess surface within the body extending between the input opening and the output opening. The recess surface is configured to reflect visible light with Lambertian scatter characteristics.Type: ApplicationFiled: April 21, 2015Publication date: October 27, 2016Inventors: Yong Wang, Paul Constantinou, Sola Kuk
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Publication number: 20160263619Abstract: A dispensing and ultraviolet (UV) curing system is disclosed with low backscatter. The system includes a dispenser for dispensing an ultraviolet (UV) curable material onto a substrate and a UV radiation source assembly coupled to the dispenser and operable to facilitate curing the UV curable material that has been dispensed onto the substrate. The UV radiation source assembly has a UV radiation source with a first optical axis and an optical element with a second optical axis. The second optical axis is different than the first optical axis. The optical element is configured such that, during operation, UV radiation from the UV radiation source passes through the optical element.Type: ApplicationFiled: March 13, 2015Publication date: September 15, 2016Inventors: Yong Wang, Erik Sorensen, Paul Constantinou
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Publication number: 20160076735Abstract: An illumination system includes a phosphor to emit light in a wavelength band ??PHOSPHOR, a second light source to emit light at a second wavelength ?2 within an absorption band of the phosphor, a third light source to emit light at a third wavelength ?3 and a fourth light source to emit light at a fourth wavelength ?4. A controller drives the second, third and fourth light sources. A first dichroic optical element: 1) directs light from the phosphor to an optical output of the system, 2) directs light from the third light source to the optical output, and 3) directs light from the fourth light source to the optical output. A second dichroic optical element: 1) directs light from the third light source to the first dichroic optical element, and 2) directs the light from the fourth light source to the first dichroic optical element.Type: ApplicationFiled: September 23, 2015Publication date: March 17, 2016Inventors: Yong Wang, Paul Constantinou, Sola Anne Kuk
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Patent number: 9250431Abstract: A high power microscopy illumination system is disclosed, including a solid state illumination source. A diffusing collection lens having a diffusing surface is configured to collect and diffuse light emission from the solid state illumination source. An emitting surface is disposed substantially opposite the diffusing surface. An optical coupling element couples the light emission from the diffusing collection lens emitting surface along an optical axis to an optical output. The diffusing collection lens provides improved uniformity of illumination with direct coupling, without significant power loss.Type: GrantFiled: September 5, 2014Date of Patent: February 2, 2016Assignee: Excelitas Canada, Inc.Inventors: Yong Wang, Paul Constantinou
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Patent number: 9239133Abstract: A solid state illumination system is disclosed, wherein a light source module comprises a first light source, comprising an LED and a phosphor layer, the LED emitting a wavelength ?1 in an absorption band of the phosphor layer for generating longer wavelength broadband light emission from the phosphor, ??PHOSPHOR, and a second light source comprising a laser emitting a wavelength ?2 in the absorption band of the phosphor layer. While operating the LED, concurrent laser pumping of the phosphor layer increases the light emission of the phosphor, and provides high brightness emission, e.g. in green, yellow or amber spectral regions. Additional modules, which provide emission at other wavelengths, e.g. in the UV and near UV spectral bands, together with dichroic beam-splitters/combiners allow for an efficient, compact, high-brightness illumination system, suitable for fluorescence imaging and analysis.Type: GrantFiled: May 17, 2013Date of Patent: January 19, 2016Assignee: Excelitas Canada, Inc.Inventors: Yong Wang, Paul Constantinou