摘要:
An engineered lighting system for use in an inspection system is comprised of an array of light emitting diodes. A specimen is brought into the viewing area, and a current pulse is provided to the diodes of the array to selectively flash all or a portion of the diodes of the array. Reflected light from the specimen is sensed and a digitized image is generated therefrom. An illumination level of the digitized image is adjustable, in whole or in part, by varying the effective lighting intensity of one or more of the diodes of the array during a flash period. The digitized image of the specimen is compared to data indicative of acceptability of the specimen, and acceptance or rejection of the specimen is decided on a basis of a comparison therebetween.
摘要:
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 generated is passed through a diffuser and to a specimen. Light reflected from the specimen is received by a lens of a video camera disposed in an interior of the three-dimensional array. Data thus obtained is used to determine acceptability of the specimen in accordance with preselected standards.
摘要:
An engineered lighting system for high speed video inspection includes an array of light emitting diodes including light emitting diodes for use in time delay integration (TDI) inspection of web materials. The light emitting diodes of the array are selectively controllable to accomplish sequential illumination and carefully controllable imaging of a specified section of a continuously moving specimen or specimens. The system also includes an array of optional backlighting elements to aid in illumination of semi-opaque specimens to accomplish inspection thereof.
摘要:
An engineered lighting system for use in an inspection system is comprised of an array of light emitting diodes. A specimen is brought into the viewing area, and a current pulse is provided to the diodes of the array to selectively flash all or a portion of the diodes of the array. Reflected light from the specimen is sensed and a digitized image is generated therefrom. An illumination level of the digitized image is adjustable, in whole or in part, by varying the effective lighting intensity of one or more of the diodes of the array during a flash period. The digitized image of the specimen is compared to data indicative of acceptability of the specimen, and acceptance or rejection of the specimen is decided on a basis of a comparison therebetween.
摘要:
A video inspection system includes first and second video cameras mounted along parallel axes. A lighting array is pulsed, and resultant light is reflected from a specimen to both cameras. Orientation of the specimen is determined in accordance with an image generated from a first camera. This data is used to isolate a selected portion of the specimen for analysis by an image generated from the second camera.
摘要:
A methodology and product or system configurations are provided which allow food to be directly irradiated for cooking applications which involve the impingement of direct radiant energy on food or comestible items. Cooking vessels or cook-packs are used that are optically transmissive in visible or infrared narrow wavelength bands emitted in suitable narrowband cooking or heating systems.
摘要:
A technique is provided to model a heat penetration profile for various targets which are non-planar or three-dimensionally shaped targets for use in a heating system. The relative volume of material that is irradiated at various depths may have an impact on the absorbed heat profile through the target. For example, a hollow cylindrical product has substantially more material per micro-meter near the outside diameter than it does near the inside diameter. Accordingly, the thickness of the wall or the diameter of the hollow inside the cylinder, as well as the outer diameter of the cylinder, have a substantial impact on the ultimate heat profile through the wall.
摘要:
A methodology and product or system configurations are provided which allow food to be directly irradiated for cooking applications which involve the impingement of direct radiant energy on food or comestible items. Cooking vessels or cook-packs are used that are optically transmissive in visible or infrared narrow wavelength bands emitted in suitable narrowband cooking or heating systems.
摘要:
This application relates to an apparatus and method for providing snapshot action thermal infrared imaging within automated process control article inspection applications. More specifically, it pertains to the use of snapshot mode lead salt area-array imaging sensors (20) as the imaging front-end in high-speed machine vision inspection systems (12). the relatively low-cost, good measurement sensitivity at temperatures consistent with thereto-electric cooling means, and the ability to be operated in snap-shot mode enables lead salt-based image acquisition sensors (20) to be used in a variety of automated process control and article inspection applications.
摘要:
A methodology and product or system configurations are provided which allow food to be directly irradiated for cooking applications which involve the impingement of direct radiant energy on food or comestible items. Cooking vessels or cook-packs are used that are optically transmissive in visible or infrared narrow wavelength bands emitted in suitable narrowband cooking or heating systems.