发明名称 |
SYSTEM FOR DETECTING MALFUNCTION OF DISCHARGE LAMP |
摘要 |
PURPOSE:To permit ready detection of the display state of the discharge tube and also permit detection of flicker due to deterioration of the discharge tube itself by using an exclusive AND circuit taking the AND of an output signal of a discharge tube voltage converter circuit receiving the discharge tube voltage and a drive signal to a drive circuit. |
申请公布号 |
JPS5373884(A) |
申请公布日期 |
1978.06.30 |
申请号 |
JP19760150481 |
申请日期 |
1976.12.14 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
OOKAWA YASUHITO |
分类号 |
G09F13/26;G08B5/00;H05B37/00;H05B41/14;H05B41/16;H05B41/36 |
主分类号 |
G09F13/26 |
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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