Rotary magnetic head apparatus
    1.
    发明授权
    Rotary magnetic head apparatus 失效
    旋转磁头装置

    公开(公告)号:US4295172A

    公开(公告)日:1981-10-13

    申请号:US92375

    申请日:1979-11-08

    CPC分类号: G11B5/531 G11B5/592

    摘要: A rotary magnetic head apparatus having a bending mode vibrator or vibrators mounted on a rotary cylinder, the vibrator comprising either ring shape piezoelectric vibrators bonded together with their polarization axes aligned in the direction of the thickness or the bonded piezoelectric vibrators bisected along a diameter of the ring, the bending vibrator mounting thereon a magnetic head or heads.

    摘要翻译: 一种具有安装在旋转圆筒上的弯曲模式振动器或振动器的旋转磁头装置,所述振动器包括将其偏振轴在厚度方向上对齐的环形压电振动器或沿着所述厚度方向平分的键合的压电振动器 弯曲振动器安装在磁头或磁头上。

    Fine adjustment apparatus for optical system lens
    2.
    发明授权
    Fine adjustment apparatus for optical system lens 失效
    光学系统镜头微调装置

    公开(公告)号:US4685767A

    公开(公告)日:1987-08-11

    申请号:US703998

    申请日:1985-02-21

    IPC分类号: G02B7/04 G02B7/182

    CPC分类号: G02B7/04 G02B7/1821

    摘要: A fine adjustment apparatus for an optical system lens includes an annular laminated piezoelectric vibrator. The lens is attached to the inner peripheral portion of the piezoelectric vibrator. The piezoelectric vibrator is firmly supported at its outer peripheral portion by a proper member. The piezoelectric vibrator is deflected by the application of a voltage, whereby the lens is finely displaced in the optical axis direction thereof. The piezoelectric vibrator may be formed by laminating two annular piezoelectric elements with an annular metal plate sandwiched therebetween. Each of the piezoelectric elements has the axis of polarization extending in the thicknesswise direction thereof. The metal plate has a thickness which does not exceed at least 25% of the total thickness of the two piezoelectric elements.

    摘要翻译: 一种用于光学系统透镜的微调装置包括环形层压压电振动器。 该透镜附接到压电振动器的内周部。 压电振动器通过适当的构件在其外周部分牢固地支撑。 压电振子通过施加电压而偏转,从而使透镜在其光轴方向上精细位移。 压电振动器可以通过层压两个环形压电元件和夹在其间的环形金属板来形成。 每个压电元件具有在其厚度方向上延伸的偏振轴。 金属板的厚度不超过两个压电元件的总厚度的至少25%。

    Stress-sensitive sensors utilizing amorphous magnetic alloys
    3.
    发明授权
    Stress-sensitive sensors utilizing amorphous magnetic alloys 失效
    应力敏感传感器采用非晶磁合金

    公开(公告)号:US4785671A

    公开(公告)日:1988-11-22

    申请号:US103743

    申请日:1987-10-02

    摘要: A stress-sensitive sensor comprising a means for generating magnetic flux, a thin sheet of an amorphous magnetic alloy which is located in the magnetic flux and which is physically deformed in response to an external force to be measured, and a means for detecting the physical deformation as a variation of the magnetic flux which depends on the external force. The amorphous magnetic alloy consists essentially of Fe.sub.a Cr.sub.b Si.sub.c B.sub.d, in which a is a value of from 69 to 81.5 atomic percent, b is a value of from 2.5 to 6 atomic percent, c is a value of from 10 to 15 atomic percent, and d is a value from 6 to 10 atomic percent provided that a+b+c+d=100. The sensor is particularly suitable for oil pressure or torque detection.

    摘要翻译: 一种应力敏感传感器,包括用于产生磁通量的装置,位于磁通中并且响应于待测量的外力物理变形的非晶磁合金薄片,以及用于检测物理 作为取决于外力的磁通量的变化的变形。 非晶磁性合金基本上由FeaCrbSicBd组成,其中a为69至81.5原子%的值,b为2.5至6原子%的值,c为10至15原子%的值,d为 值为6〜10原子%,条件是a + b + c + d = 100。 传感器特别适用于油压或转矩检测。

    Tension sensor
    5.
    发明授权
    Tension sensor 失效
    张力传感器

    公开(公告)号:US4434671A

    公开(公告)日:1984-03-06

    申请号:US293982

    申请日:1981-08-18

    IPC分类号: G01L1/12 G01L5/10

    摘要: A tension sensor for sensing tension in the magnetic tape by measuring variations in an inductance value which arise as a result of applying stress which has been transformed from tension in the object to be measured to an amorphous magnetic alloy part of an inductance element. The magnetostrictive effect of the amorphous magnetic alloy which is both resilient and magnetostrictive is utilized in sensing the tension in the tape. The magnetic alloy is used for at least a part of a magnetic core of the inductance element.

    摘要翻译: 一种张力传感器,用于通过测量由于将待测物体中的张力转变成电感元件的非晶磁性合金部分的应力而产生的电感值的变化来检测磁带中的张力。 弹性和磁致伸缩的非晶磁性合金的磁致伸缩效应被用于感测磁带中的张力。 磁性合金用于电感元件的磁芯的至少一部分。

    Amorphous magnetic alloy sensor
    6.
    发明授权
    Amorphous magnetic alloy sensor 失效
    非晶磁合金传感器

    公开(公告)号:US4625562A

    公开(公告)日:1986-12-02

    申请号:US667224

    申请日:1984-11-01

    IPC分类号: G01L1/12 G01L9/16

    摘要: A stress or strain sensor including a magnetic circuit having at least a part constituted by an amorphous magnetic alloy. For detection of the inductance value of the sensor, a DC magnetic field is superposed on an AC magnetic field so that magnetic domains of the alloy tend to be aligned. The sensor output can be increased significantly over that of the conventional sensor in which only the AC magnetic field is employed, while hysteresis of the output is reduced. The temperature characteristic is also improved.

    摘要翻译: 一种应力或应变传感器,包括具有由非晶磁性合金构成的至少一部分的磁路。 为了检测传感器的电感值,将DC磁场叠加在AC磁场上,使得合金的磁畴倾向于对齐。 与传统传感器相比,传感器输出可以显着提高,其中仅使用交流磁场,同时输出的滞后减小。 温度特性也得到改善。

    Ultrasonic transducer with a piezoelectric element
    7.
    发明授权
    Ultrasonic transducer with a piezoelectric element 失效
    带压电元件的超声波换能器

    公开(公告)号:US4607186A

    公开(公告)日:1986-08-19

    申请号:US439549

    申请日:1982-11-05

    IPC分类号: G10K11/02 H04R17/10 H01L41/08

    CPC分类号: G10K11/025 H04R17/10

    摘要: An ultrasonic transducer having, in a throat part of a horn, a piezoelectric element and a diaphragm connected by a connection rod to the piezoelectric element. A disk having a plurality of apertures is disposed in front of the diaphragm, thereby improving the directivity and sensitivity without losing transient characteristic, making the transducer very suitable for ultrasonic distance measurement in air.

    摘要翻译: 一种超声波换能器,在喇叭的喉部具有压电元件和通过连接杆连接到压电元件的隔膜。 具有多个孔的盘设置在隔膜的前面,从而提高方向性和灵敏度,而不会失去瞬时特性,使得传感器非常适合于空气中的超声距离测量。

    Pressure sensing unit for a pressure sensor
    8.
    发明授权
    Pressure sensing unit for a pressure sensor 失效
    用于压力传感器的压力传感器

    公开(公告)号:US4412454A

    公开(公告)日:1983-11-01

    申请号:US284568

    申请日:1981-07-17

    IPC分类号: G01L9/16

    CPC分类号: G01L9/16

    摘要: A pressure sensing unit for a pressure sensor using the magnetostriction effect of a ferrous amorphous magnetic alloy having elasticity which permits magnetostriction, and including an inductance element which has a magnetic core formed at least in part of the amorphous magnetic alloy and which is subjected to pressure so as to exert pressure on the alloy corresponding to the pressure to be measured, the resulting change in the value of the inductance being used to detect the applied pressure.

    摘要翻译: 一种使用具有允许磁致伸缩的弹性的亚​​铁非晶磁性合金的磁致伸缩效应的压力传感器的压力感测单元,并且包括电感元件,所述电感元件具有形成在所述非晶磁性合金的至少一部分中并且受到压力 以对应于待测压力的合金施加压力,所得到的电感值的变化用于检测所施加的压力。

    Piezoelectric filter of the ladder type
    9.
    发明授权
    Piezoelectric filter of the ladder type 失效
    梯型压电过滤器

    公开(公告)号:US5986522A

    公开(公告)日:1999-11-16

    申请号:US588769

    申请日:1996-01-19

    摘要: A piezoelectric filter is one not changing in the holding position of resonator in spite of impulse, small in the number of parts, easy to assemble from one direction, small, thin, and stable in characteristic. For example, as shown in FIG. 7, on electrode patterns on a package 10 forming wiring electrode patterns 11, holding protrusions 13 for holding resonators, and partition boards 14 for positioning resonators, a rectangular plate type piezoelectric resonators 12 are adhered with conductive adhesive. The rectangular plate type piezoelectric resonators 12 and the package 10 are adhered and reinforced from above with a vibration absorbing member 15, and wiring is formed from above the resonators by a wire bonding 16, thereby wiring resonators in a ladder form. Or, as shown in FIG. 11, after forming electrode patterns 102 on a piezoelectric substrate 101, a rectangular plate resonator 104 is cut out from a piezoelectric substrate 101 by laser in a shape consecutive to the piezoelectric substrate 101 by the node of length expander mode, and the piezoelectric substrate 101 is enclosed by a spacer 106 and a sheet 107 from above and beneath.

    摘要翻译: 压电滤波器是谐振器的保持位置不变的部分,部件数量少,易于从一个方向组装,小,薄,稳定的特性。 例如,如图1所示。 如图7所示,在形成布线电极图案11的保持用谐振器用保持突起13的封装体10上的电极图形和用于定位谐振器的分隔板14上,用导电性粘合剂粘合矩形板状压电谐振器12。 矩形板型压电谐振器12和封装10从上方用振动吸收构件15粘接和加强,并且通过引线接合16从谐振器的上方形成布线,从而以梯形形式布线谐振器。 或者,如图1所示。 如图11所示,在压电基板101上形成电极图案102之后,通过长度扩展器模式的节点以与压电基板101连续的形状的激光从压电基板101切出矩形板谐振器104,并且压电基板101 被隔板106和片材107从上方和下方包围。

    Piezoelectric resonator and piezoelectric filter
    10.
    发明授权
    Piezoelectric resonator and piezoelectric filter 失效
    压电谐振器和压电滤波器

    公开(公告)号:US5400001A

    公开(公告)日:1995-03-21

    申请号:US123468

    申请日:1993-09-20

    摘要: In a piezoelectric resonator having a piezoelectric bar formed in a substantial rectangular parallelopiped and electrodes formed on a pair of confronting surfaces of the piezoelectric bar for resonating in the length expander mode, the piezoelectric bar has at least a bevel portion extending the longitudinal direction. In a ladder filter having series and parallel piezoelectric resonators, the series piezoelectric resonator has the bevel portion to shift a frequency of a spurious response to that of the parallel piezoelectric resonator to suppress the spurious response. It is disclosed that a second piezoelectric resonator has a piezoelectric bar formed in a rectangular parallelopiped has a length L, a width W, and a thickness T wherein L>W>T; and electrodes formed on a pair of confronting surfaces defined by L and T. Another ladder filter includes the second piezoelectric resonator as the series resonator to decrease a capacitance between the electrodes to increase an amount of attenuation. In the second piezoelectric resonator, when W

    摘要翻译: 在压电谐振器中,具有形成在大致矩形平行六面体的压电棒和形成在压电棒的一对相对表面上的电极,用于在长度扩展器模式下谐振,所述压电棒至少具有沿纵向方向延伸的斜面部分。 在具有串联和并联压电谐振器的梯形滤波器中,串联压电谐振器具有斜面部分,以将杂散响应的频率移动到并联压电谐振器的频率以抑制杂散响应。 公开了第二压电谐振器具有形成为长方体形状的压电棒,其长度L,宽度W和厚度T,其中L> W> T; 以及形成在由L和T限定的一对相对表面上的电极。另一个梯形滤波器包括作为串联谐振器的第二压电谐振器,以减小电极之间的电容以增加衰减量。 在第二压电谐振器中,当W