发明名称 |
Deflection york and CRT device using the deflection york |
摘要 |
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.
|
申请公布号 |
US2003025468(A1) |
申请公布日期 |
2003.02.06 |
申请号 |
US20020207941 |
申请日期 |
2002.07.29 |
申请人 |
TANIWA KENICHIRO;SHIMADA KOJI;MATSUURA SHUNSUKE |
发明人 |
TANIWA KENICHIRO;SHIMADA KOJI;MATSUURA SHUNSUKE |
分类号 |
H01J29/76;H01J29/82;(IPC1-7):H01J29/52 |
主分类号 |
H01J29/76 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|