Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
Reexamination Certificate
2005-04-12
2005-04-12
Patel, Nimeshkumar D. (Department: 2879)
Electric lamp and discharge devices
Cathode ray tube
Beam deflecting means
C313S421000, C313S426000, C335S210000
Reexamination Certificate
active
06879095
ABSTRACT:
A deflection yoke on a yoke mounting portion with a truncated pyramid shape has a pair of saddle-type horizontal deflecting coils that is located symmetrically with a central axis and has a truncated pyramid shape. A core with a truncated cone shape is coaxially located on the outer periphery of the horizontal deflecting coils. A pair of vertical deflecting coils are toroidally wound around the core. If the positions of a horizontal axis and a vertical axis are given by 0° and 90°, respectively, in the circumference direction around the central axis, the winding of one vertical deflecting coil has a starting point on the horizontal-axis side within the range of 5°-30° and is distributed from the starting point to 90° and wound symmetrically with the vertical axis. The windings of the vertical deflecting coils are wound symmetrically with the horizontal axis.
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Inoue Masatsugu
Ito Yoshiaki
Kojima Tadahiro
Murai Takashi
Colón German
Patel Nimeshkumar D.
Pillsbury & Winthrop LLP
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