发明名称 |
Capacitive load driving unit and method and apparatus for inspecting the same |
摘要 |
A capacitive load driving unit includes a plurality of capacitive loads, a drive circuit for charging and discharging the capacitive loads, a pair of power lines for supplying a drive voltage from an external power source to the drive circuit, and a current reserve circuit for reserving a current required by the drive circuit for charging the capacitive loads. The current reserve circuit includes a capacitor that is charged by the drive voltage from the power lines, and a coupler section for coupling the capacitor between the power lines except for when a defect inspection is conducted.
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申请公布号 |
US6753687(B2) |
申请公布日期 |
2004.06.22 |
申请号 |
US20020217090 |
申请日期 |
2002.08.12 |
申请人 |
TOSHIBA TEC KABUSHIKI KAISHA |
发明人 |
NITTA NOBURO;TAKAMURA JUN;ONO SHUNICHI |
分类号 |
B41J2/045;G01R31/01;G01R31/28;(IPC1-7):G01R31/12 |
主分类号 |
B41J2/045 |
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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