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    • 12. 发明授权
    • Mosaic recorder with improved transducer
    • 带改进传感器的马赛克记录仪
    • US4438441A
    • 1984-03-20
    • US361986
    • 1982-03-25
    • Jan BolmgrenKenth Nilsson
    • Jan BolmgrenKenth Nilsson
    • B41J2/045B41J2/055B41J2/14B41J2/155G01D15/18
    • B41J2/14282B41J2/155B41J2002/14387
    • A mosaic recorder for selectively ejecting recording liquid droplets from a plurality of nozzles in a recording head onto a moving recording medium for punctiform representation of characters and images has a plurality of piezoelectric transducers respectively associated with each nozzle which are individually actuated for ejecting a droplet from the associated nozzle. The individual transducers are in the form of teeth of a comb-like bilaminar piezoplate consisting of piezoceramic material and a carrier material. The piezo material is removed from portions of the free ends of the transducer teeth which overlie the nozzles for reducing the hydraulic coupling between the teeth in order to substantially minimize cross-talk between an activated transducer tooth and the adjacent transducer teeth.
    • 用于选择性地将记录头中的多个喷嘴记录液滴记录到用于字符和图像的点状表示的移动记录介质上的马赛克记录器具有分别与每个喷嘴相关联的多个压电换能器,每个喷嘴被独立地致动以将液滴从 相关喷嘴。 单个换能器是由压电陶瓷材料和载体材料组成的梳状双层压电板的齿形。 压电材料从覆盖在喷嘴上的换能器齿的自由端的部分移除,以减少齿之间的液压耦合,以便基本上最小化激活的换能器齿与相邻换能器齿之间的串扰。
    • 14. 发明授权
    • Pressure transducer
    • 压力传感器
    • US4261208A
    • 1981-04-14
    • US11864
    • 1979-02-13
    • Bertil HokKenth NilssonGandino Gandini
    • Bertil HokKenth NilssonGandino Gandini
    • A61B5/0215G01L7/18G01L11/00G01L19/06G01L9/02
    • G01L19/0627A61B5/0215G01L11/00
    • In an exemplary embodiment, the liquid pressure to be measured is in a liquid container with an inner tube forming a measuring cell arranged in an outer tube, which measuring cell can be filled in part with a liquid and in the remainder with a gas. A conduit that can be filled with the liquid leads away from the measuring cell, which conduit is open on its end facing away from the measuring cell and can be directly connected with the fluid in the liquid container. A transducer for generating an electric magnitude which corresponds to the gas volume in the measuring cell is arranged in the measuring cell. A channel is left free between the outer tube and the inner tube for the passage of the fluid. The inner tube is closed on its end facing away from the measuring end of the pressure transducer.
    • 在一个示例性实施例中,要测量的液体压力在液体容器中,其内管形成布置在外管中的测量池,该测量池可部分地被填充液体,其余部分用气体填充。 可以用液体填充的导管远离测量池,其导管在远离测量池的端部开口,并且可以直接与液体容器中的流体相连。 用于产生对应于测量单元中的气体体积的电量的换能器被布置在测量单元中。 外管和内管之间的通道保持自由,以使流体通过。 内管在其远离压力传感器的测量端的端部封闭。
    • 15. 发明授权
    • Heart tracking device
    • 心脏跟踪装置
    • US08211090B2
    • 2012-07-03
    • US11916414
    • 2005-06-29
    • Per LagercrantzKenth Nilsson
    • Per LagercrantzKenth Nilsson
    • A61M25/00A61B5/00
    • A61M25/0023A61M25/0155A61M2025/0037
    • A vessel tracking device for use with a pressure source has an elongate introduction element configured for introduction into a vessel of a human body, the introduction element having a proximal end and a distal end, and the distal end having a flexible distal end portion containing an internal cavity that is closed at the distal end. A pressure adjuster is configured for communication with said pressure source. The introduction element has a connection channel connected to the pressure adjuster at the proximal end of the introduction element, the connection channel being connected with the internal cavity and placing the internal cavity in communication with the pressure source, with the pressure adjuster controlling an internal pressure in the internal cavity. The distal end portion has different wall portions that are differently deformed as the internal pressure is adjusted, to produce a change in direction of the distal end controlled by the pressure controller.
    • 与压力源一起使用的容器跟踪装置具有被配置为引入人体容器中的细长引入元件,该引入元件具有近端和远端,并且该远端具有柔性的远端部分, 在远端封闭的内腔。 压力调节器被配置为与所述压力源连通。 引入元件具有连接到引入元件的近端处的压力调节器的连接通道,连接通道与内部空腔连接并且将内部空腔与压力源连通,压力调节器控制内部压力 在内腔。 前端部具有不同的壁部分,其随着内部压力的调节而不同地变形,从而产生由压力控制器控制的远端方向的变化。