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| Number | Title | Issue Date |
| 7248374 | Spherically mounted light source with angle measuring device, tracking system, and method for determining coordinates A device for use in conjunction with a coordinate measuring device, a three-dimensional coordinate measuring system and a method of measuring three-dimensional coordinates are described. The device includes a light source mounted substantially within the center of a... | 07/24/2007 |
| 7010158 | Method and apparatus for three-dimensional scene modeling and reconstruction A three-dimensional model of a scene is obtained from a plurality of three-dimensional panoramic images of a scene, wherein each three-dimensional panoramic image is derived from a plurality of range images captured from a distinct spatial position. Transformations ... | 03/07/2006 |
| 6954557 | Foot measurement system and method There are disclosed foot measurement systems and methods to scan someone's foot from the bottom and/or oblique topside directions for generating pixel data for the foot shape, and then to calculate and obtain main foot-dimensions and other information required for l... | 10/11/2005 |
| 5973839 | Optical homogenizer An optical homogenizer is disclosed which enables an optical system to obtain the benefits of a high quantum efficiency photon detector without suffering from its non-uniform response. The optical homogenizer has an input end for receiving light emitted f... | 10/26/1999 |
| 5715050 | Optical inspection apparatus including a telecentric optical system, an aperture stop and a screen There is provided an optical inspection apparatus including an illuminating block for emitting light and illuminating a sample with the emitted light, an observing optical system for forming an image from transmitted light or reflected light from the samp... | 02/03/1998 |
| 5557099 | Signal device for turbo-engines using an optical probe with an elliptical shaped light beam A signal device for turbo-engines which, by way of moving blades arranged on a rotor, when passing through a defined circumferential position of the housing, generates signals which are precise with respect to time. The device includes a probe which has f... | 09/17/1996 |
| 5532473 | Reflection shadow sensor with light directing diffusive surface A reflective shadow sensor is disclosed for use in detecting the position of a moving object by directing a flow of light towards that object and detecting the amount of light reflected by a surface of the moving object.... | 07/02/1996 |
| 5172003 | Reflex type optical sheet sensor having a dustproof plate with a roughed surface An optically transparent dustproof plate provided to a reflex type optical sheet sensor being for detecting passage of a sheet, transferred in front of the sheet sensor, by irradiating light from a light source provided in the sheet sensor to the sheet an... | 12/15/1992 |
| 5157266 | Method and device for testing transparent sheets Method and device for inspecting transparent webs for the presence of defects which include scanning the web to be tested with a flying spot, directing the light passing through the web to a receiver system which has transparent and opaque regions, supply... | 10/20/1992 |
| 5155371 | Apparatus for detecting deformations in pressed members A device for detecting deformations in the surface of a workpiece includes a light source for illuminating the surface of the workpiece; a detector situated at a fixed predetermined distance from the light source and a displacing arrangement for effecting... | 10/13/1992 |
| 5072127 | Engineered video inspecting lighting array An engineered video inspection lighting system includes a three-dimensional array of solid-state light emitting diodes focused to an inspection area. A single high-current, low-duration pulse is applied to selected elements of the array. Light thus genera... | 12/10/1991 |
| 5043589 | Semiconductor device inspection apparatus using a plurality of reflective elements An improved optical inspection apparatus, especially suited for inspecting semiconductor devices using a single camera. A highly polished mirrored stage is provided with a light source extending upwardly therethrough and providing a pedestal upon which th... | 08/27/1991 |
| 5012115 | Device for optically detecting hold position of electronic component with dual emitters A detecting device for detecting a position of an electronic component in which the component is held by a holder is disclosed. The detecting device includes a first light emitter for emitting a first radiation toward a vicinity of the electronic componen... | 04/30/1991 |
| 4977330 | In-line photoresist thickness monitor An in-line photoresist thickness measuring device wherein a plurality of projection optical fibers are disposed over a wafer processing track for illuminating portions of a wafer as the wafer proceeds along the track. The light scattered back from each il... | 12/11/1990 |
| 4945253 | Means of enhancing the sensitivity of a gloss sensor A gloss sensor for optically measuring the gloss or reflectance of a surface. The gloss sensor includes a light source of emitting a light beam toward a surface to be measured. The gloss sensor also includes a light detecting device arranged to preferenti... | 07/31/1990 |
| 4933568 | Device for testing web-like planar structures moving at high speed Web-like planar structures 10 are tested by means of a light source 11 which directs a light beam 4 onto a rotating mirror wheel 5. The light beam is projected onto the web 10 to be tested via a stationary folding mirror 1 which is centered above the web ... | 06/12/1990 |
| 4912336 | Surface shape and reflectance extraction system An photometric sampling apparatus for an object surface shape and reflectance extraction system includes an array of point light sources spaced apart from one another in an arcuate configuration about a common site at which an object is placed from inspec... | 03/27/1990 |
| 4866288 | Apparatus for optically scanning a web of material The sharply bounded entry pupil (13) of an optical web monitoring apparatus is imaged by the system after passage through or reflection at the material web onto a dark field stop (16). This stop is provided at its periphery with light receiving surfaces h... | 09/12/1989 |
| 4812665 | Method and apparatus for measuring of humidity The object of the invention is a method for measuring humidity in material to be produced in the form of a web, particularly paper and carton material. According to the method, a chopper in part cuts infrared light brought on the other side of the web thr... | 03/14/1989 |
| 4767935 | System and method for measurement of traveling webs A system and method for optically measuring parameters such as dry basis weight of fibrous sheet materials during manufacture without scanning. The system includes mirror sections for reflecting modulated light as parallel rays perpendicularly incident up... | 08/30/1988 |
| 4745290 | Method and apparatus for use in making custom shoes The disclosure is directed to a method and apparatus for making a custom shoe based on non-contact measurements of a particular subject's foot. A foot is placed at an inspection position, and a laser beam is directed at the foot, and scanned in a predeter... | 05/17/1988 |
| 4703187 | Method and apparatus for the determination of the thickness of transparent layers of lacquer The invention relates to a method and apparatus for the determination of the thickness of transparent, clear or colored, layers of lacquer on bright rolled, metallic foil or thin strip, in particular of aluminium or aluminium alloys, wherein the optical t... | 10/27/1987 |
| 4695157 | Solder process inspection diffuser assembly An optical unit for inspecting the soldered surface of a printed circuit board incorporates a thick-walled translucent concave diffuser dome with a hollow central cavity facing the surface under inspection, lamps directing illumination on the exterior of ... | 09/22/1987 |
| 4555635 | Surface flaw inspection apparatus for a convex body A surface flaw inspection apparatus for a convex body having a light source for irradiating a surface of an object to be inspected with a luminous flux, an image sensor for receiving the reflected light on the surface of the object and producing a corresp... | 11/26/1985 |
| 4532430 | Fault detection apparatus for material webs Faults in a material web are detected by scanning the web with a beam of light along a line transverse to its direction of movement and by detecting the angular ranges into which the incident light is scattered by these faults. For this purpose a light co... | 07/30/1985 |
| 4450359 | Fault detection apparatus for material webs Faults in a material web 47 are detected by scanning the web with a beam of light 37 along a line transversely to its direction of movement F and by detecting the angular ranges into which the incident light is scattered by these faults. For this purpose ... | 05/22/1984 |
| 4319847 | Apparatus to measure select properties of a moving sheet with improved standardization means An apparatus to measure select properties such as color, brightness or gloss, of a moving sheet, is insensitive to flutter in the sheet. The apparatus comprises a housing to one side of said sheet. A source is located in the housing; the source is capable... | 03/16/1982 |
| 4277177 | Apparatus to measure select properties of a moving sheet An apparatus to measure select properties such as color, brightness or gloss, of a moving sheet, is insensitive to flutter in the sheet. The apparatus comprises a housing to one side of said sheet. A source is located in the housing; the source is capable... | 07/07/1981 |
| 4224513 | Apparatus for the on-line measurement of the opacity of a paper sheet A method of on-line control of opacity of moving sheet material being produced by a paper making machine includes an opacity control loop where an opacity additive is controlled and a basis weight control loop where the stock input to a headbox is control... | 09/23/1980 |
| 4159874 | Optical property measurement system and method In an illustrated embodiment, brightness, color, opacity and fluorescent contribution to brightness of single thickness sheet material are measured by an optical measuring system providing for simultaneous measurement of transmitted and reflected light. O... | 07/03/1979 |
| 4004152 | Apparatus for monitoring a moving web of material for faults Apparatus for inspecting a web of material for faults or aberrations which affect the remission and reflection of light incident on the material. A first cylindrical lens focuses light scanned over the length of the lens on the material and intercepts lig... | 01/18/1977 |
| 3953739 | Method and apparatus for the continuous monitoring and control of cell size in a foam structure A method and apparatus are provided to continuously monitor and measure the average size of individual foam cells contained in a foam structure, such as polystyrene foam for example, as it is being fabricated. Such an arrangement permits the prompt adjust... | 04/27/1976 |
| 3931525 | Detection of blemishes in surfaces A detector of blemishes in a surface comprises a transmitting station from which a beam of light is caused to scan a moving surface to produce a raster pattern thereon. Light specularly reflected from, or transmitted by, the surface is collected at a rece... | 01/06/1976 |
