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The scattered, inconsistent and incomplete data in the literature have prompted a comprehensive study of the physical and optical properties of projection screens. A large sample number of front and rear projection screens was obtained, representing the industry line of January 1965. The reflected and transmitted flux distribution of each sample was measured using a small, collimated test beam of white light incident normally and at 45 degrees. A vacuum photodetector, spectrally matched to the eye, was situated on a radius arm and capable of viewing the test sample at any angle in a plane. The reflectance or transmittance of the samples was calculated using data from the measured reflected flux distribution of an easily reproduced magnesium oxide standard. Measurements were made of resolving power and physical properties, and the maximum angular viewing field of each screen was determined for a typical projection geometry and tolerable field brightness gradient. (Author).
Book Synopsis Physical and Optical Properties of Projection Screens by : Robert J. Klaiber
Download or read book Physical and Optical Properties of Projection Screens written by Robert J. Klaiber and published by . This book was released on 1966 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scattered, inconsistent and incomplete data in the literature have prompted a comprehensive study of the physical and optical properties of projection screens. A large sample number of front and rear projection screens was obtained, representing the industry line of January 1965. The reflected and transmitted flux distribution of each sample was measured using a small, collimated test beam of white light incident normally and at 45 degrees. A vacuum photodetector, spectrally matched to the eye, was situated on a radius arm and capable of viewing the test sample at any angle in a plane. The reflectance or transmittance of the samples was calculated using data from the measured reflected flux distribution of an easily reproduced magnesium oxide standard. Measurements were made of resolving power and physical properties, and the maximum angular viewing field of each screen was determined for a typical projection geometry and tolerable field brightness gradient. (Author).
Book Synopsis Technical Report by : Human Resources Research Organization
Download or read book Technical Report written by Human Resources Research Organization and published by . This book was released on 1968 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Scientific and Technical Aerospace Reports by :
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Book Synopsis Abstracts of Photographic Science & Engineering Literature by :
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Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1966 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt: