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Julio C Chaves, Waqidi Falicoff, Juan C Miñano, Pablo Benitez, Oliver Dross, William A Parkyn Jr, Roberto Alvarez: Optical manifold for light-emitting diodes. Light Prescriptions Innovators, Drinker Biddle & Reath, October 23, 2007: US07286296 (113 worldwide citation)

An optical manifold for efficiently combining a plurality of LED outputs into a single, substantially homogeneous output, in a small, cost-effective package. The optical manifolds can be used to combine multiple LEDs of the same color and provide a high intensity output aperture with very high unifo ...


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Julio Cesar Chaves, Juan Carlos Minano, Pablo Benitez, William A Parkyn Jr, Waqidi Falicoff, Fernando Munoz, Yupin Sun, Oliver Dross, Roberto Alvarez: Optical device for LED-based lamp. Light Prescriptions Innovators, Drinker Biddle & Reath, December 13, 2011: US08075147 (40 worldwide citation)

An optical device for coupling the luminous output of a light-emitting diode (LED) to a predominantly spherical pattern comprises a transfer section that receives the LED's light within it and an ejector positioned adjacent the transfer section to receive light from the transfer section and spread t ...


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Juan C Miñano, Pablo Benitez, Waqidi Falicoff, Yupin Sun, William A Parkyn, Roberto Alvarez: Etendue-squeezing illumination optics. Light Prescriptions Innovators, Thomas F Lebens, Sinsheimer Juhnke Lebens & McIvor, March 25, 2008: US07347599 (40 worldwide citation)

In some embodiments, an apparatus for use generating illumination is provided that comprises a reflective base, a first light source positioned proximate the reflective base, and a reimaging reflector positioned partially about the first light source, where a percentage of light emitted from the fir ...


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José Roberto Alvarez: Modifying motion control signals based on input video characteristics. Broadcom Corporation, McAndrews Held & Malloy, March 21, 2006: US07016415 (31 worldwide citation)

A motion detector (300) detects motion of images represented by video pixels. A first motion detector (320) is arranged to generate first motion signals (S) representing detected motion of images represented by the pixel values. A second motion detector (360) is arranged to modify the first motion s ...


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Jose Roberto Alvarez, Jiangtao: System and method for transform coding randomization. Maxim Integrated Products, North Weber & Baugh, August 17, 2010: US07778476 (25 worldwide citation)

A method and system are provided where image data is encoded in the spatial domain, and transformed in a two dimensional transform process to thereby recover a frequency domain representation of the image data. The frequency domain representation is then quantized to obtain an integer representation ...


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Julio C Chaves, Waqidi Falicoff, Juan C Minano, Pablo Benitez, William A Parkyn Jr, Roberto Alvarez, Oliver Dross: Optical manifold for light-emitting diodes. Light Prescriptions Innovators, Drinker Biddle & Reath, June 3, 2008: US07380962 (21 worldwide citation)

An optical manifold for efficiently combining a plurality of blue LED outputs to illuminate a phosphor for a single, substantially homogeneous output, in a small, cost-effective package. Embodiments are disclosed that use a single or multiple LEDs and a remote phosphor, and an intermediate wavelengt ...


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Pablo Benitez, Juan Carlos Minano, Julio Chaves, William A Parkyn, Oliver Dross, Roberto Alvarez, Waqidi Falicoff: Brightness-enhancing film. Light Prescriptions Innovators, Thomas F Lebens, Sinsheimer Juhnke Lebens & McIvor, October 5, 2010: US07806547 (19 worldwide citation)

The present embodiments provide systems, backlights, films, apparatuses and methods of generating back lighting. Some embodiments provide backlights that include a cavity with at least one interior light source and diffusely reflecting wall of high reflectivity, a top surface with multiple intermitt ...


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Juan C Minano, Pablo Benitez, Yupin Sun, William A Parkyn, Roberto Alvarez, Waqidi Falicoff: Etendue-squeezing illumination optics. Light Prescription Innovators, Thomas F Lebens, Sinsheimer Juhnke Lebens & McIvor, April 21, 2009: US07520641 (13 worldwide citation)

In some embodiments, an apparatus for use generating illumination is provided that comprises a reflective base, a first light source positioned proximate the reflective base, and a reimaging reflector positioned partially about the first light source, where a percentage of light emitted from the fir ...


10
José Roberto Alvarez: Apparatus and methods for down-conversion video de-interlacing. Conexant Systems, Thomas Kayden Horstemeyer & Risley, May 24, 2005: US06898243 (12 worldwide citation)

A video converter provides for converting an interlaced video datastream to a de-interlaced form suitable for progressive-input coding. Conversion is conducted in accordance with determined motion of image portions within the video datastream. In a preferred MPEG-1 and MPEG-2 IC pre-processor implem ...