An Evaluation of Nonbroadcast Television Facilities for Educational Institutions

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 77, No. 10, pp. 1037–1042
Abstract: Use of the vidicon tube, helical-scan video-tape recording and solid-state circuitry has brought closed-circuit television within the budgetary reach of even small schools. New models of equipment are continually being offered; specifications and prices vary widely, with no clear set of criteria for selection. The technical characteristics, typical applications and initial operating costs of the equipment are discussed, with emphasis on cameras and recorders. Cameras using vidicon, Plumbicon and image-orthicon tubes are compared as to image quality, ease of operation and maintenance and cost. The comparative features of recorders include tape-scanning format, compatibility between machines, editing, color capability and acceptability of tapes for broadcast.
Publication Date: 1968-10-01
DOI: 10.5594/J13635
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J13635
Author(s): E. B. CrutchfieldRadio-Television Center, 134 New Cabell Hall, University of Virginia, Charlottesville, Va. 22903; Graduate School, American University, Washington, D.C.,
Copyright: © 1968 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

New Television Camera Tubes in Perspective [Active]
1. Wigren Harold E. Ingle Henry T. Molenda Michael , A National Survey of Current Utilization of In School Closed-Circuit Television and Instructional Television Fixed Services , Department of Audiovisual Instruction, National Education Assn. , Washington, D.C. , p. 1 , 1967 . EXTERNAL
2. Brugger John R. , A Survey of Television Equipment and Facilities Used for Purposes of Instruction by Public Schools, Colleges and Universities , prepared for the Office of Education, Department of Health, Education, and Welfare , by the Board of Education of Washington County, Hagerstown, Md. , pp. 28 – 33 , 1961 . EXTERNAL
3. Kessler Wm. J. , Instructional Television Fixed Service, An Assessment of Technical Requirements , Division of Educational Technology, National Education Assn. , Washington, D.C. , 1967 . EXTERNAL
4. Penn Roger , A Comparative Study of the Picture Quality Obtained From Four Types of Television Cameras , (unpublished report) Department of Communications, American University , Washington, D.C. , Sept. 18, 1965 . EXTERNAL
5. Wentworth John W. , “Camera tubes for studio use — A semi-technical appraisal for educators,” Jour. SMPTE , 72 : 153 – 157 , Mar. 1963 . EXTERNAL
6. Camera Tubes: Image Orthicon, Vidicon , Radio Corp. of America , Camden, N. J. , 1966 . EXTERNAL
8. de Haan E. F. van der Drift A. Schampers P. P. M. , “The ‘Plumbicon,’ a new television camera tube,” Philips Technical Rev. , 25 ( 6/7 ): 133 – 151 , 1963 /64, p. 133 . EXTERNAL
9. Wiens Jacob H. , A Comparative Study of Video Tape Recorders , issued by Television Advisory Committee , Department of General Services and Bureau of Audio-Visual and School Library Education, State Department of Education, Sacramento, Calif. , p. 86 , 1967 . EXTERNAL

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E. B. Crutchfield; An Evaluation of Nonbroadcast Television Facilities for Educational Institutions, Journal of the SMPTE ( Volume: 77, Issue: 10, October 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J13635

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E. B. Crutchfield; An Evaluation of Nonbroadcast Television Facilities for Educational Institutions, Journal of the SMPTE ( Volume: 77, Issue: 10, October 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J13635

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<span class="citation">E. B. Crutchfield; <cite>An Evaluation of Nonbroadcast Television Facilities for Educational Institutions</cite>, Journal of the SMPTE ( Volume: 77, Issue: 10, October 1968); SMPTE, 1968. Available at <a href="https://doi.org/10.5594/J13635" target="_blank" rel="noopener">https://doi.org/10.5594/J13635</a></span>

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E. B. Crutchfield; An Evaluation of Nonbroadcast Television Facilities for Educational Institutions, Journal of the SMPTE ( Volume: 77, Issue: 10, October 1968); SMPTE, 1968
doi: 10.5594/J13635
url: https://doi.org/10.5594/J13635

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E. B. Crutchfield; <cite id="bib-10-5594-j13635">An Evaluation of Nonbroadcast Television Facilities for Educational Institutions</cite>, Journal of the SMPTE ( Volume: 77, Issue: 10, October 1968); SMPTE, 1968
<span class="doi">10.5594/J13635</span>
</li>