发明名称 |
CRT display apparatus |
摘要 |
A CRT display apparatus equipped with a control apparatus for performing a focusing control and a brightness control by changing a grid voltage by means of a potentiometer. The control apparatus includes a motor for driving the potentiometer in response to an externally supplied control signal, and the motor is mechanically arranged with the potentiometer in an integrated form. Both of a plurality of potentiometers and motors for driving the plural potentiometers are formed on the same substrate in an integrated form. Also, the control apparatus is molded with a flyback transformer for constituting the CRT display apparatus. The motor is constructed of either an ultrasonic motor, or a plastic geared motor.
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申请公布号 |
US5459378(A) |
申请公布日期 |
1995.10.17 |
申请号 |
US19930111074 |
申请日期 |
1993.08.24 |
申请人 |
HITACHI, LTD. |
发明人 |
KATO, KAZUO;SASE, TAKASHI;TAJIMA, FUMIO;DOUKEN, TOMOHIKO |
分类号 |
H04N3/26;H04N17/04;(IPC1-7):H01J29/58 |
主分类号 |
H04N3/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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