Society of Motion Picture and Television Engineers - Vacuum Tube and Photoelectric Tube Developments for Sound Picture Systems

Author(s): M. J. Kelly
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 June 1932
Volume: 18
Page(s): 761 - 781
ISSN (Paper): 0097-5834
DOI: 10.5594/J05512
Regular:

This paper reviews some recent vacuum tube and photoelectric cell developments which are of interest in sound recording and reproduction systems. An indirectly heated cathode triode is described,... View More

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