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1.发明授权Printing devices or heads for printers or the like and a process for making such a printing head 失效打印设备或打印机或类似打印机的打印头和打印头的过程
公开(公告)号：US4049107A
公开(公告)日：1977-09-20
申请号：US619321
申请日：1975-10-03
申请人： Roger Murat
发明人： Roger Murat
摘要： The invention concerns a printing device or head for a printer or the likend to a process of making same. The device comprises a plurality of needles each having an electro-magnet and a metal plate associated therewith, a selected needle being displaceable against an information support upon energization of the associated electro-magnet. The electro-magnets are supported in a base. In accordance with the invention each electro-magnet includes a U-shaped magnetic circuit, the base including housings for magnetic circuits. A surrounding, insulating material is disposed between the arms of the magnetic circuit and around the windings of the electro-magnets.
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公开(公告)号：US4031992A
公开(公告)日：1977-06-28
申请号：US630923
申请日：1975-11-11
申请人： Roger Murat , Guy Glay
发明人： Roger Murat , Guy Glay
CPC分类号： B41J25/001
摘要： A printing device, for example of the needle impact type, is equipped withlectrical means controlling the operation of the needles to produce alternative forms of printed data, for example letters of different degrees of inclination.
摘要翻译： 例如针刺型的打印装置配备有控制针的操作以产生替代形式的打印数据的电气装置，例如具有不同倾斜度的字母。
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