Conversion unit for projecting 3- by 4-foot television pictures

Conversion unit for projecting 3- by 4-foot television pictures

PRIOR TO THE advent of common television usage, pictures in the home became popular by the use of home-movie projectors. By a process of evolution the 3- by 4-foot home-movie picture size became an accepted one. These facts would indicate a preference for picture sizes of this order, at least for so...

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Bibliographische Detailangaben
Veröffentlicht in:Electrical engineering (New York, N.Y.) N.Y.), 1950-09, Vol.69 (9), p.788-792
1. Verfasser: Manning, W. L.
Format: Artikel
Sprache:eng
Schlagworte:
Coils
Electron tubes
Receivers
Switches
Windings
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Beschreibung
Zusammenfassung:PRIOR TO THE advent of common television usage, pictures in the home became popular by the use of home-movie projectors. By a process of evolution the 3- by 4-foot home-movie picture size became an accepted one. These facts would indicate a preference for picture sizes of this order, at least for some types of picture presentations.
ISSN:0095-9197
2376-7804
DOI:10.1109/EE.1950.6434050