Liquid cooling type projection cathode ray tube
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United States of America Patent
Stats
-
Nov 28, 1995
Grant Date -
N/A
app pub date -
May 19, 1993
filing date -
Dec 15, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A projection cathode ray tube has a liquid coolant coupling apparatus whose structure is improved. The projection cathode ray tube includes a funnel having an electron gun in its neck end and a face plate provided with a screen at the other end, a rectangular radiating plate having a frontal glass corresponding to the face plate having the screen inside thereon, and being firmly attached to the face plate, a liquid coolant layer having a predetermined thickness between the face plate and the frontal glass of the radiating plate, a clamping portion coupled by means of a bolt at each corner of the rectangular radiating plate, and a setting clasp having a contacting surface of a predetermined size in contact with the side of the funnel and a spring both provided over each bolt, whereby the setting clasp settles the funnel while pressing.
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