发明授权
US5302971A Liquid discharge recording apparatus and method for maintaining proper
ink viscosity by deactivating heating during capping and for preventing
overheating by having plural heating modes
失效
液体排出记录装置和通过在封盖期间停止加热来保持适当的墨水粘度并通过具有多种加热模式来防止过热的方法
- 专利标题： Liquid discharge recording apparatus and method for maintaining proper ink viscosity by deactivating heating during capping and for preventing overheating by having plural heating modes
- 专利标题（中）： 液体排出记录装置和通过在封盖期间停止加热来保持适当的墨水粘度并通过具有多种加热模式来防止过热的方法
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申请号： US947951申请日： 1992-09-21
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公开(公告)号： US5302971A公开(公告)日： 1994-04-12
- 发明人: Takashi Ohba , Hiroshi Iida , Haruyuki Matsumoto
- 申请人： Takashi Ohba , Hiroshi Iida , Haruyuki Matsumoto
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX59-280716 19841228; JPX59-280717 19841228; JPX59-280718 19841228
- 主分类号： B41J2/05
- IPC分类号： B41J2/05 ; B63B35/44 ; B41J2/165
摘要：
A liquid-discharge recording apparatus includes a recording head, an emission signal generator, and a heating signal generator. The recording head includes electrothermal energy converting elements for generating energy used to emit liquid in response to an emission signal from an emission signal generated by the emission signal generator. The heating signal generator generates an electrical signal applied to the electrothermal energy converting elements of sufficient level for heating the liquid, without discharging, during a first heating mode when power is supplied to the apparatus and for generating an electrical signal during a second heating mode, subsequent to the first heating mode, when recording begins after an interruption in power supply. In addition, a controller is provided for controlling a heater such that the heater is deactivated when the discharge opening of the recording head is capped. A liquid-discharge recording method is applied to the liquid-discharge recording apparatus.
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