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Class 356/236 - Integrating spheres


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter including a hollow body of spherical interior
No. of patents: 157
Last issue date: 03/27/2012


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NumberTitleIssue Date
8144316Instrument and method for measuring total luminous flux of luminous elements
The present invention provides an instrument and method for measuring total luminous flux of luminous elements, which forms an approximately uniform spatial intensity distribution by simultaneously lighting a plurality of luminous elements for measurement in an inte...
03/27/2012
7663744Integrating photometer for measuring total flux of light generated from light source to be measured, and method for measuring total flux of light through use of the same
A mirror is provided with a light source window and an illumination window each establishing communicative connection between an inner face side and an outer side of a hemispherical unit. The light source window is an opening to which a light source OBJ to be measur...
02/16/2010
7535559Object digitizing device using integrating sphere wave source
An object image digitizing device using an integrating sphere wave source is provided which makes the degree of spatial uniformity and temporal stability of the spatial uniformity of the wave irradiation distribution over the output port surface of the integrating s...
05/19/2009
7508503Integrating sphere having means for temperature control
The present invention relates to an integrating sphere for measuring a light-emitting property of a light source, and more particularly, to an integrating sphere having a means for controlling temperature inside the integrating sphere. An integrating sphere for meas...
03/24/2009
7365925Method of aligning optical elements
A method of aligning an optomechanical assembly and an optomechanical assembly are described. ...
04/29/2008
7352459Scanning Spectrophotometer for high throughput fluorescence detection and fluorescence polarization
A fluorescence spectrophotometer system may be implemented in scanning fluorescence polarization detection applications. A wavelength and area scanning fluorescence spectrophotometer system may include a light source, an excitation double monochromator, an excitatio...
04/01/2008
7319524Air purged optical densitometer
An advanced gas purged optical densitometer that significantly decreases the likelihood of optical component contamination and unstable optical path reduction includes an optical emitter, an optical receiver, and an optical path purge device. The optical emitter emi...
01/15/2008
7304310Methods and systems for inspecting a specimen using light scattered in different wavelength ranges
Methods and systems for inspecting a specimen are provided. One method includes directing ultraviolet light to a specimen. The method also includes detecting light scattered from the specimen having a selected wavelength range. In addition, the method includes detec...
12/04/2007
7304726Auto distinction system
An auto distinction system images an assembled fiber band which continuously moves on the front side of a background plate applies sync-separating to a video signal by a sync-separating circuit 5a, and clamps the video signal by a clamping circuit 5...
12/04/2007
7283222Optical measuring device
An optical measuring device according to the present invention includes: a plane mirror (3), which has a central opening that functions as either a light entering window or a light source fitting hole (5) and an observation window 6′ that enab...
10/16/2007
7280196Spectrophotometer and subassemblies thereof
A spectrophotometric system includes a zoom lens assembly that is mounted for axial translation relative to an integrating sphere. The zoom lens assembly includes first and second focusing lens mounted to an axially movable lens carrier. The lens carrier is position...
10/09/2007
7274445Confocal scatterometer and method for single-sided detection of particles and defects on a transparent wafer or disk
A problem in the inspection of transparent wafers and disks is the detection of top surface particles. More precisely, it is being able to assign a scattering site as being due to a particle at the top or bottom surface of a transparent wafer. A method of the presen...
09/25/2007
7256895Spherical scattering-light device for simultaneous phase and intensity measurements
A far-field measurement instrument has multiple imaging lenses cut into a pentagon shape and arranged in geodesic spherical configuration with a common field of view focused on the source of the scattered light to be measured. Aspheric lenses are used to facilitate ...
08/14/2007
7182480System and method for manipulating illumination created by an array of light emitting devices
The present invention provides an illumination optical system that enables the direction and mixing of light from light emitting devices. The optical system comprises a plurality of light emitting devices that are spatially arranged in an array, wherein this array c...
02/27/2007
7173697Low truncation loss, non-reciprocal nephelometer with integrating sphere
A non-reciprocal nephelometer is disclosed herein that uses an integrating sphere with attached truncation-reduction tubes to contain the sample volume and to integrate the scattered light. The disclosed nephelometer improves on the imperfect angular response by usi...
02/06/2007
7122800Optical density sensor
An optical density sensor disposed over a target surface in an image formation apparatus comprises an integrating cavity having a diffuse, reflective interior surface and a view port formed therein. An optical source directs light through the view port onto the targ...
10/17/2006
7075636Apparatus and methods for evaluating performance of endoscopy devices and systems
A test and measurement system to assess performance characteristics of an endoscope or other optically based diagnostic or treatment devices. The performance characteristics can include the photometric characteristics, the imaging characteristics and the physical ch...
07/11/2006
7007788Banknote validator
A banknote validator for determining the value and authenticity of a banknote is provided. The banknote validator includes a magnetic sensor, an optical sensor, and a non-return gate. The magnetic sensor includes a magnetic circuit and an electronic circuit. The opt...
03/07/2006
6969843Light standard for microscopy
The disclosed light standard system provides flat field illumination through the use of an integrating light chamber which is in communication with a microprocessor. The light chamber has at least one high performance light source, such as LED's, recessed within the...
11/29/2005
6914670Defect detection with enhanced dynamic range
Apparatus for optical inspection includes a source of optical radiation, which is adapted to scan a spot of the radiation over a sample, whereby the radiation is scattered from the spot. A detection system includes at least first and second detectors optically coupl...
07/05/2005
6781697Portable system and method for determining one or more reflectance properties of a surface
A method is provided for determining one or more reflectance properties of a surface using a portable apparatus that includes reflecting a first beam of electromagnetic energy off of a measured surface, the first beam contacting the measured surface at an angle that...
08/24/2004
6737637Illuminator for illuminating multiple targets
A plurality of image sensors are tested concurrently by supplying light emitted by a light source to a first integrating sphere having an input port that receives the light emitted by the light source and having an output port providing output light. The output ligh...
05/18/2004
6734959Prober for testing light-emitting devices on a wafer
A prober for measuring the light output of digital devices integrally formed on a single wafer. The prober includes a light-integrating sphere sequentially aligned with selected devices. Each time that a device is aligned with the sphere, the device aligned with the...
05/11/2004
6734958Apparatus and methods for evaluating performance of endoscopy devices and systems
A test and measurement system to assess performance characteristics of an endoscope or other optically based diagnostic or treatment devices. The performance characteristics can include the photometric characteristics, the imaging characteristics and the physical ch...
05/11/2004
6724472Light monitoring device
Object: provide an accurate monitor of light of even intensity light. Construction: A beam splitter (4) being fixed on a base (1) in the path of a main beam (2) of a light system, a reflecting mirror (5) being fixed on a side of the beam ...
04/20/2004
6721048Detector for spectrometry and integrating sphere measuring device, and spectrophotometer using the same
In a detector for spectrometry attached to an integrating sphere, a plurality of detection elements having different spectral sensitivity characteristics is arranged side by side in the same plane on a base, and a side cover is provided such that the detection eleme...
04/13/2004
6710329Light integrator for film scanning with enhanced suppression of artifacts due to scratches and debris
A light integrator produces diffuse illumination from a beam of light wherein image artifacts due to debris within the integrator are suppressed. The light integrator includes an integrator block having an elongated cylindrical light integrating cavity enclosed by e...
03/23/2004
6700657System and method for detecting surface roughness
A method for characterizing a surface are disclosed. The system includes a light source optic which direct a beam of light toward the surface. Scattered light and a spectacular beam are reflected from the surface. A collector collects the scattered light ...
03/02/2004
6650397Media width detecting system for an imaging apparatus
A media width detecting system is adapted to measure an absolute width of media without the need for human intervention or without the need for media to be referenced against a known location. The media width detecting system includes a measuring pattern ...
11/18/2003
6626052Method and apparatus for artificial weathering
A method and apparatus for irradiating a specimen with a beam of radiation are provided. The method comprises the steps of providing an integrating sphere, a radiation source radiatively communicating with the sphere, and a specimen, the integrating spher...
09/30/2003
6618135Laser beam inspection apparatus
A laser beams inspection apparatus suitable for inspecting electronic components such as ICs mounted on a substrate. The inspection apparatus includes a scan mechanism. The scan mechanism works to move a laser beam emitted from a laser emitter to scan a t...
09/09/2003
6603555Gas detecting apparatus using laser absorption spectroscopy
A gas detecting apparatus includes a gas cell, a laser source, a light diffuser and a photodetector. The gas cell has a gas inlet hole for letting the target gas come inside and a gas discharge hole for discharging the target gas, and retains a target gas...
08/05/2003
6597457Calibration of solar reflectance panel
Calibration is provided for a diffuser panel (30) on board a spacecraft (10) employed in measuring the intensity of sunlight reflected from subjects on the earth. The calibration is accomplished by comparing the intensity of solar radiation reflected from...
07/22/2003
6583879Benchtop spectrophotometer with improved targeting
A color measurement instrument with improved sample targeting or positioning. The system includes an integrating sphere, a beam splitter, a video camera, and a spectrograph. The beam splitter is aligned with the viewing port of the spectrophotometer to de...
06/24/2003
6570177System, apparatus, and method for detecting defects in particles
A method and apparatus for automatically inspecting transparent or translucent materials, especially plastic materials, the apparatus including a light container, at least one camera, a digital processor, and a reject mechanism, the method comprising conv...
05/27/2003
6444976System and method for reflecting and deflecting light utilizing spherical shaped devices
A system and method of utilizing spherical and hemispherical shaped devices to function as an optical switch is disclosed. The optical switch can contain mirrors that turn on and off, or are fixed in place with a movable spherical device. Additionally, th...
09/03/2002
6437861Compact light integration interface
A light integrating interface having a housing made substantially of pressed polytetrafluoroethylene powder. The interface has a non-spherical integrating cavity with a reflective inner surface, as well as a light energy input port and a light energy outp...
08/20/2002
6429931Method and apparatus for article inspection including speckle reduction
A method and apparatus for reducing speckle during inspection of articles used in the manufacture of semiconductor devices, including wafers, masks, photomasks, and reticles. The coherence of a light beam output by a coherent light source, such as a pulse...
08/06/2002
6424413Multi-channel integrating sphere
An integrating sphere, and an integrating sphere-based reflectance colorimeter/spectrophotometer for the measurement of color and appearance, having multiple receivers capable of concurrently receiving optical radiation scattered/reflected from a diffusel...
07/23/2002
6369883System and method for enhanced mass splice measurement
The present invention introduces system and method for an enhanced mass splice measurement system for testing a plurality of optical fiber splices and also the reliability of the mass fusion splicer itself. In one embodiment, a first light signal may be t...
04/09/2002
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