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1. 发明授权

US5349446A Method for displaying printing situation of a color video printer 失效
标题翻译：显示彩色视频打印机打印情况的方法
公开(公告)号：US5349446A
公开(公告)日：1994-09-20
申请号：US812945
申请日：1991-12-24
申请人： Hee-Guk Kwak
发明人： Hee-Guk Kwak
IPC分类号： B41J2/00 , B41J29/42 , G06K15/00 , H04N1/00 , H04N1/50 , H04N9/79 , H04N1/40 , G09G5/00 , H04N1/46
CPC分类号： H04N1/00405 , H04N1/00408 , H04N1/00477 , H04N1/0049 , H04N1/50
摘要： A method for easily notifying a user of the printing status of a color video printer by displaying the printing status of the color video printer. In order to display the color being printed, a pedestal level signal and a white level signal are multiplexed in response to a pulse width converted control signal. The multiplexed signal and a chrominance signal are applied to multiplex the chrominance signal in response to a selection control signal, and a multiplexed chrominance signal is displayed on a screen of a monitor by stimulating the screen monitor with an additive mixture of color so as to display the printing status.
摘要翻译：一种用于通过显示彩色视频打印机的打印状态来容易地向用户通知彩色视频打印机的打印状态的方法。为了显示正在打印的颜色，响应于脉冲宽度转换的控制信号来复用基准电平信号和白电平信号。复用信号和色度信号用于响应于选择控制信号复用色度信号，并且通过用颜色的添加混合物刺激屏幕监视器来将显示器的屏幕上显示多路复用的色度信号，以便显示打印状态。

2. 发明授权

US06337959B1 Liquid level detector and liquid level measuring apparatus of printer adopting the same 失效
标题翻译：采用该液位计的液位检测器和液位测量装置
公开(公告)号：US06337959B1
公开(公告)日：2002-01-08
申请号：US09677177
申请日：2000-10-02
申请人： Hee-guk Kwak , Hyong-gu Lee
发明人： Hee-guk Kwak , Hyong-gu Lee
IPC分类号： G03G1510
CPC分类号： G03G15/104 , G01F23/265
摘要： A liquid level detector includes an electrode portion including a substrate, a first electrode plate separated a predetermined distance from the substrate, a hollow second electrode plate extending from the substrate to the first electrode plate and having an opening corresponding to the outer circumferential surface of the first electrode plate, and a liquid level detecting portion which detects the presence of the liquid at the detection position from a change in electrostatic capacity measured by the first and second electrode plates. Thus, the level of liquid stored in the container can be detected from outside of the container in a non-contact manner, simplifying the structure of the apparatus and preventing the generation of an error in measuring the liquid level due to ink adhering to the container.
摘要翻译：液位检测器包括：电极部分，包括基板，与基板隔开预定距离的第一电极板;从基板延伸到第一电极板的中空第二电极板，并且具有对应于所述基板的外周表面的开口第一电极板和液面检测部，其从由第一和第二电极板测量的静电电容的变化检测在检测位置处的液体的存在。因此，可以以非接触的方式从容器的外部检测容器中储存的液体的水平，简化了装置的结构，并且防止了由于墨水附着在容器上而导致的液面测量误差的产生。

3. 发明授权

US06289184B1 Apparatus for measuring concentration of developer of liquid printer 有权
标题翻译：用于测量液体打印机的显影剂浓度的装置
公开(公告)号：US06289184B1
公开(公告)日：2001-09-11
申请号：US09576202
申请日：2000-05-23
申请人： Yong-baek Yoo , Kyu-cheol Shin , Hee-guk Kwak
发明人： Yong-baek Yoo , Kyu-cheol Shin , Hee-guk Kwak
IPC分类号： G03G1510
CPC分类号： G01N21/5907 , G03G15/105 , G03G2215/017
摘要： An apparatus for measuring the concentration of developer in a liquid printer, the apparatus includes a housing, a developer film forming device installed in the housing for forming a developer film, and a sensing device including a light source unit for emitting colored light corresponding to a range of wavelengths for which the light transmissivity is relatively low to a developer film of a selected color developer, and a photodetector installed corresponding to the light source unit and receiving the light emitted by the light source unit and transmitted through the developer film. Thus, a thin developer film is formed and the concentration of developer is measured by emitting light in a range of wavelengths for which the selected color developer has a relatively low light transmissivity to the developer film. The affect by the toner mixed with other color is relatively less and the concentration of developer can be measured close to the actual concentration although the developer is contaminated.
摘要翻译：一种用于测量液体打印机中的显影剂浓度的装置，该装置包括壳体，安装在用于形成显影剂膜的壳体中的显影剂成膜装置，以及包括用于发射对应于透光率相对于所选彩色显影剂的显影剂膜的波长范围以及与光源单元相对应的光电检测器，并且接收由光源单元发射并透过显影膜的光。因此，形成薄的显影剂膜，并且通过在所选择的彩色显影剂对显影剂膜具有相对低的透光率的波长范围内发射光来测量显影剂的浓度。与其他颜色混合的调色剂的影响相对较少，并且即使显影剂被污染，也可以接近实际浓度测量显影剂的浓度。

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