Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Reexamination Certificate
2005-06-07
2005-06-07
Vannucci, James (Department: 2828)
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Cathode-ray deflections circuits
C315S368250
Reexamination Certificate
active
06903520
ABSTRACT:
Disclosed is a deflection yoke mounted around a glass bulb of a CRT so as to cover a predetermined area of the glass bulb. The predetermined area is where an outer shape of the glass bulb smoothly goes from circular to substantially rectangular along a tube axis of the CRT. The deflection yoke includes a horizontal deflection coil disposed in a shape to fit with the outer shape of the glass bulb, and a funnel-shaped ferrite core disposed to surround the horizontal deflection coil. The inner shape of the ferrite core is circular throughout a length of the ferrite core.
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Test Model Editing Committee, International Organisation for Standardisation, ISO-IEC/JTC1/SCS9/WG11, Coded Representation of Picture and Audio Information, Document AVC-491, Versions1, Apr. 1993.
Matsuura Shunsuke
Shimada Koji
Taniwa Kenichiro
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