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    • 96. 发明授权
    • Ultrasonic transducer
    • 超声波换能器
    • US5250869A
    • 1993-10-05
    • US768445
    • 1991-09-26
    • Hiroshi IshikawaKazuhiro WatanabeKiyoto MatsuiYasushi HaraKenji KawabeTakaki Shimura
    • Hiroshi IshikawaKazuhiro WatanabeKiyoto MatsuiYasushi HaraKenji KawabeTakaki Shimura
    • B06B1/06H01L41/04H04R17/00
    • B06B1/0629
    • The present invention relates to an ultrasonic transducer for controlling an ultrasonic beam with the vibrators arranged and particularly to an ultrasonic transducer having improved the ultrasonic beam characteristic in the short axis direction in order to realize a high image quality ultrasonic diagnostic apparatus. The present invention is aimed at improving the ultrasonic beam characteristic and therefore the present invention discloses an ultrasonic transducer for controlling ultrasonic beam using many vibrators arranged in the form of an array in which a composite piezoelectric element (1) is used as an electric-acoustic conversion element of the vibrator and the electrode (2) divided in the short axis direction orthogonally crossing the arrangement direction of many vibrators is also provided on the composite piezoelectric vibrator (1).
    • PCT No.PCT / JP90 / 01374 Sec。 371日期1991年9月26日 102(e)1991年9月26日PCT PCT 1990年10月25日PCT公布。 出版物WO91 / 13588 日本1991年9月19日。本发明涉及一种用于控制超声波束的超声波换能器,其特征在于具有改善了短轴方向超声波束特性的超声波换能器,以实现高图像质量超声波 诊断仪器 本发明的目的在于提高超声波束特性,因此本发明公开了一种用于控制超声波束的超声波传感器,其中使用许多以阵列形式布置的振动器,其中使用复合压电元件(1)作为电声 在复合压电振动器(1)上还设置振动器的转换元件和与许多振动器的排列方向垂直的短轴方向分割的电极(2)。
    • 97. 发明授权
    • Fiber retaining structure for photoelectric sensor
    • 光电传感器光纤保持结构
    • US5245688A
    • 1993-09-14
    • US988991
    • 1992-12-10
    • Hironobu WatanabeHiroshi Ishikawa
    • Hironobu WatanabeHiroshi Ishikawa
    • G02B6/36G02B6/38G02B6/42H01L31/0232H01L33/00H01L33/48
    • G02B6/4246G02B6/3858G02B6/3887G02B6/4292
    • A fiber retaining structure is disclosed for readily and reliably mounting and retaining optical fibers on a casing in which a light-emitting element and a light-receiving element are incorporated. The fiber retaining structure includes a first link 61 for moving both a second link 26 for crashing O-rings with optical fibers 2 and 3 inserted therethrough against a casing 24 in which a light-emitting element 6 and a light-receiving element 7 are incorporated and holders 27 and 28 for holding the optical fibers when a lever 29 is pushed down, and a spring material. Since the inner diameter of a sealing material for sealing a gap around the optical fiber is set substantially equal to the outer diameter of the optical fiber and since the holding of the optical fibers by the entire holders is performed separately, the distal ends of the optical fibers can be readily and reliably brought into abutment with the light-emitting element and the light-receiving element and the optical fibers can be reliably retained.
    • 公开了一种光纤保持结构,用于容易且可靠地将光纤安装并保持在其中结合发光元件和光接收元件的壳体上。 光纤保持结构包括:第一连杆61,用于移动第二连杆26,用于将O形环与用于插入其中的光纤2和3相互抵靠在其中结合有发光元件6和光接收元件7的壳体24 以及用于在杆29被向下推压时保持光纤的保持器27和28以及弹簧材料。 由于用于密封光纤周围的间隙的密封材料的内径被设定为基本上等于光纤的外径,并且由于保持整个保持器的光纤被单独进行,所以光学器件的远端 光纤可以容易且可靠地与发光元件和光接收元件邻接,并且可以可靠地保持光纤。
    • 98. 发明授权
    • Optical reading device
    • 光学读取装置
    • US5164573A
    • 1992-11-17
    • US332639
    • 1989-03-31
    • Hiroshi Ishikawa
    • Hiroshi Ishikawa
    • G06K7/10
    • G06K7/10702G06K7/10811G06K2207/1013
    • An optical reading device is disclosed which comprises: a light emitting element for emitting light to irradiate a medium; a light receiving element for carrying out the light-electro conversion of the reflected light from the said medium which is irradiated from the light emitting element; a light receiving side lens for focussing the light reflected from the medium onto the light receiving element and having an optical axis aligned with the optical axis of the light receiving element; and a light emitting side lens having a larger numerical aperture than that of the said light receiving side lens, and for focussing the light from the said light emitting element onto the said medium, and also having an optical axis deviatingly disposed from the optical axis of the light receiving element; characterized in that the optical axis of the light emitting side lens is disposed within the focal zone on the detection surface of the medium, that is, within the focal zone of the light coming from the light emitting element through the light emitting side lens. The optical reading device thus constituted will not be influenced much by the forward reflection of light, the setting range of the resolving power will be made free, the focal depth will become deeper, and the reading probability will be improved.
    • 公开了一种光学读取装置,其包括:用于发射光以照射介质的发光元件; 光接收元件,用于对从发光元件照射的所述介质的反射光进行光电转换; 光接收侧透镜,用于将从介质反射的光聚焦到光接收元件上,并具有与光接收元件的光轴对准的光轴; 以及具有比所述光接收侧透镜更大的数值孔径的发光侧透镜,并且用于将来自所述发光元件的光聚焦到所述介质上,并且还具有偏离光轴的光轴的光轴 光接收元件; 其特征在于,所述发光侧透镜的光轴配置在所述介质的检测面上的聚焦区域内,即位于从所述发光元件通过所述发光侧透镜的光的聚焦区域内。 这样构成的光学读取装置不会受到光的向前反射的太大影响,因此分辨能力的设定范围将自由,焦点深度变深,读取概率提高。