Cathode ray tube and manufacturing method of deflection coil
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United States of America Patent
Stats
-
Feb 27, 2007
Grant Date -
Dec 30, 2004
app pub date -
Nov 10, 2003
filing date -
Jun 30, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cathode ray tube comprises a panel having a fluorescent screen on an inner surface; a funnel connected to the panel, an electron gun housed in the funnel; emitting electron beams; and a shadow mask for selecting colors of the electron beams emitted from the electron gun, wherein the deflection yoke comprises a deflection coil for deflecting the electron beams in horizontal and vertical directions, a holder for insulating the deflection coil, and a ferrite core for reducing a magnetic field generated by the deflection coil, and an opening is formed on a flange portion of an opening section on a screen side of the deflection coil.
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