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1. 发明授权

US4575738A Ink jet printing apparatus having an ink pressure transient suppressor system 失效
标题翻译：具有油墨压力瞬变抑制系统的喷墨打印设备
公开(公告)号：US4575738A
公开(公告)日：1986-03-11
申请号：US633159
申请日：1984-07-20
申请人： Edward L. Sheufelt , David B. Kreitlow , Jeffrey M. Hall
发明人： Edward L. Sheufelt , David B. Kreitlow , Jeffrey M. Hall
IPC分类号： B41J2/045 , B41J2/19 , G01D15/18
CPC分类号： B41J2/19
摘要： An ink jet printer includes a compact ink drop generating module (10) comprising an ink jet print head (14) mounted to a body (12) which contains high and low frequency ink pressure transient suppressing mechanisms (90, 68, 80). These mechanisms inhibit the ingestion of air into print head (14) and formation of print head clogging air bubbles. The body (12) also includes a purgeble bubble trap (72). Head (14) may be of the air assisted type. Air supplied to the head pressurizes ink at one side (82) of the diaphragm (80) and at the other side (84) of the diaphragm to increase the fluid capacitance of the diaphragm. The module (10) is easy to replace as a unit.
摘要翻译：喷墨打印机包括紧凑的墨滴产生模块（10），其包括安装在主体（12）上的喷墨打印头（14），该主体包含高频和低频墨压瞬变抑制机构（90,68,80）。这些机构抑制空气进入打印头（14）并形成打印头堵塞气泡。主体（12）还包括吹扫气泡阱（72）。头部（14）可以是空气辅助型。提供给头部的空气对隔膜（80）的一侧（82）和隔膜的另一侧（84）处的墨水增压，以增加隔膜的流体电容。模块（10）作为一个单元易于更换。

2. 发明授权

US06213400B1 Antenna/door module and method 失效
标题翻译：天线/门模块及方法
公开(公告)号：US06213400B1
公开(公告)日：2001-04-10
申请号：US09021628
申请日：1998-02-10
申请人： Robert A. Zigler , Edward L. Sheufelt
发明人： Robert A. Zigler , Edward L. Sheufelt
IPC分类号： G06K710
CPC分类号： G06K7/10881 , G06K7/1098 , G06K17/0022
摘要： A scanning device has a field-replaceable antenna provided in a door/antenna module. The housing of the device has an outer shell defining an interior space and an access opening extending through the shell and communicating with the space. The door is removably secured to an outer surface of the shell and covers the access opening. An antenna is carried by the door and has a cable extending therefrom into the space. The cable has an outer end with a connector configured to engage a component located in the space. The door is attached to the shell by means of a pair of screw fasteners. The antenna may be externally and pivotally mounted on the door or mounted internally in the door. Preferably, the door has a gasket that seals against an outer surface of the shell to seal the access opening.
摘要翻译：扫描装置具有设置在门/天线模块中的现场可替换天线。装置的壳体具有限定内部空间的外壳和延伸穿过壳体并与空间连通的进入开口。门可移除地固定到外壳的外表面并覆盖进入开口。天线由门承载，并且具有从其延伸到该空间中的电缆。电缆具有外端，连接器被配置为接合位于该空间中的部件。门通过一对螺丝紧固件连接到外壳上。天线可以从外部枢转地安装在门上或者安装在门的内部。优选地，门具有密封壳体的外表面以密封进入开口的垫圈。

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