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    • 62. 发明授权
    • Laser ultrasound probe and ablator
    • 激光超声探头和消融器
    • US5718231A
    • 1998-02-17
    • US557175
    • 1996-02-20
    • Richard James DewhurstPeter Alfred PayneQing Xin ChenKok Fu Pang
    • Richard James DewhurstPeter Alfred PayneQing Xin ChenKok Fu Pang
    • G01N29/00A61B8/00A61B18/20A61B18/24
    • A61B18/245
    • A laser ultrasound probe, suitable for intravascular use, of the kind having an ultrasonic transducer element comprising an ultrasound receiving surface of piezoelectric polymeric material and an optical fiber with one end directed forwardly from that surface and arranged to receive laser radiation for transmission through the optical fiber and emission from the said one end thereof, wherein the optical fiber is coupled with laser source means adapted to provide alternatively a relatively low average power laser beam, which, when modulated or pulsed and emitted from the one end of the optical fiber and incident on a target, will generate ultrasound at an intensity suitable to be received by the transducer element and converted thereby into electrical monitoring signals, and a relatively high average power laser beam suitable, when incident on the said target, to produce ablation thereof, the transducer element being sufficiently robust to withstand the ultrasound which is then also generated. The relatively low average power laser beam may alternatively be at a first wavelength which, when modulated or pulsed and emitted from the one end of the optical fiber into a medium which is highly absorptive at that wavelength, will cause said medium to generate and propagate ultrasound at an intensity suitable to be reflected by a target contacted by said medium and received by the transducer element and converted thereby into electrical monitoring signals, the relatively high average power laser beam being then at a second wavelength at which the said medium is transmissive and being suitable, when incident on the said target, to produce ablation thereof, the transducing element being sufficiently robust to withstand the ultrasound which is then also generated.
    • PCT No.PCT / GB94 / 01276 Sec。 371 1995年12月20日第 102(e)1995年12月20日PCT PCT 1994年6月14日PCT公布。 出版物WO94 / 28804 日期1994年12月22日一种适用于血管内使用的激光超声探头,其具有包括压电聚合材料的超声波接收表面的超声波换能器元件和一端从该表面向前指向的光纤,并布置成接收激光辐射 用于通过光纤传输并从其所述一端发射,其中光纤与激光源装置耦合,激光源装置适于提供相对低的平均功率的激光束,该激光束当被调制或脉冲并从 光纤并入射到目标上,将以适于被换能器元件接收的强度产生超声波,从而转换为电监控信号,并且当入射到所述目标上时适合于相对较高的平均功率激光束产生 其消融,换能器元件足够坚固以承受超声波 然后也产生h。 相对较低的平均功率激光束可以替代地处于第一波长,当从光纤的一端被调制或脉冲和发射到在该波长处高度吸收的介质中时,其将使所述介质产生并传播超声波 以适合于由所述介质接触并由换能器元件接收并由其转换成电监控信号的目标反射的强度,相对较高的平均功率激光束然后处于所述介质透射的第二波长,并且是 合适的是,当入射到所述目标上时,其产生消融,所述换能元件足够坚固以承受然后也产生的超声波。
    • 68. 发明授权
    • Automatic milking
    • 自动挤奶
    • US5479876A
    • 1996-01-02
    • US167996
    • 1994-05-06
    • Michael J. StreetToby T. F. MottramArthur L. WilkinRobert C. Hall
    • Michael J. StreetToby T. F. MottramArthur L. WilkinRobert C. Hall
    • A01J7/00A01J5/017
    • A01J5/0175
    • An arrangement for the automatic application of milking apparatus to a milk animal including a milking apparatus store, a milking apparatus handling device including a milking apparatus carrier movable on the device and a teat sensor on the handling device together with at least one animal position sensor and a control unit responsive to the animal and teat sensor to operate the handling device, the arrangement being such that when an animal is sensed to be in milking position the control unit operates the handling device to take milking apparatus for a teat of the animal from the store in the carrier to a specific teat with the carrier moved to a sideways offset at a selected angle to the device and the teat sensor in range of the teat.
    • PCT No.PCT / GB92 / 01110 Sec。 371日期:1994年5月6日 102(e)日期1994年5月6日PCT 1994年5月31日PCT公布。 公开号WO93 / 00001 日期:1993年7月1日。一种用于将挤奶设备自动应用于包括挤奶设备存储在内的牛奶动物的设备,挤奶设备处理设备,包括可在设备上移动的挤奶设备载体和处理设备上的奶头传感器,以及 至少一个动物位置传感器和控制单元,其响应于动物和乳头传感器来操作处理装置,该装置使得当动物被感测到处于挤奶位置时,控制单元操作处理装置以采取挤奶装置 动物的奶头从载体中的商店到特定的乳头,其中载体移动到与乳头的范围内的装置和乳头传感器成一定角度的侧向偏移。