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    • 4. 发明授权
    • Pressure measuring sensor
    • 压力传感器
    • US5257546A
    • 1993-11-02
    • US703847
    • 1991-05-21
    • Tomoyuki TobitaAkira Sase
    • Tomoyuki TobitaAkira Sase
    • G01L7/08G01L9/00G01L9/04G01L13/06G01L9/06
    • G01L19/0084G01L19/146G01L19/147G01L9/0054
    • There is provided a pressure measuring sensor having a diaphragm including a peripheral fixing portion so formed as to be fixed to a pressure measuring sensor proper and be thick, a pressure receiving portion responsive to a pressure to be measured to move, and a strain causing portion responsive to the movement of the pressure receiving portion to cause strain, the pressure receiving portion having a shape so formed as to substantially perform the same function as a member having a high rigidity when moving in response to a change in the above described pressure to be measured, and the strain causing portion being substantially subject to bending stress in response to the movement of the pressure receiving portion moved according to the change in the above described pressure to be measured and thereby the strain causing portion providing a plurality of gauge resistors formed on the strain causing portion with tensile stress or compressive stress proportionate to the pressure to be measured.
    • 提供了一种压力测量传感器,其具有膜片,该膜片包括周边固定部分,该周边固定部分被固定到压力测量传感器本体上并且厚度较大;压力接收部分,其响应于待测量的压力移动;以及应变引起部分 响应于压力接收部分的运动而引起应变,压力接收部分具有如下形状,即,当与上述压力的变化相应地运动时,基本上具有与具有高刚性的部件相同的功能 并且应变引起部分响应于受压部分根据上述测量压力的变化而移动的运动而基本上受到弯曲应力,从而使应变产生部分形成在 应力引起部分具有与压力成比例的拉伸应力或压应力 游泳
    • 7. 发明授权
    • Multi-functional sensor
    • 多功能传感器
    • US4986127A
    • 1991-01-22
    • US333246
    • 1989-04-05
    • Satoshi ShimadaSeiichi UgaiAkira SaseYasushi Shimizu
    • Satoshi ShimadaSeiichi UgaiAkira SaseYasushi Shimizu
    • G01L9/04G01F1/38G01K7/16G01L9/00G01L13/02G01L27/00H01L29/84
    • G01L19/147G01F1/383G01L13/026G01L19/003G01L19/0645G01L9/0054G01L9/045
    • Multi-functional sensor comprises a support base made from borosilicate, a diaphragm with a E-shaped section secured to the base, the diaphragm being made from single crystalline silicon, principal plane thereof being oriented to be a crystalline plane (110), a differential pressure sensor having p-doped piezoresistor elements formed in the principal plane of the diaphragm at a thin wall portion of the E-shaped sectional diaphragm, each element being arranged along a crystal axis , a static pressure sensor having p-doped piezoresistor elements formed in the principal plane at an outer peripheral thick wall portion of the E-shaped sectional diaphragm, each element being arranged along the crystal axis , and a temperature sensor having a p-doped piezoresistor element formed in the principal plane at the outer peripheral thick wall portion of the E-shaped sectional diaphragm, the element being arranged along the crystal axis . In the multi-functional sensor thus constructed, deviation of the output signal from the differential pressure sensor due to the influence of the temperature and static pressure can be removed easily to obtain the correct signal.
    • 多功能传感器包括由硼硅酸盐制成的支撑基座,具有固定到基部的E形截面的隔膜,隔膜由单晶硅制成,其主面被定向为晶面(110),差动 压电传感器,其具有在E形截面光阑的薄壁部分处形成在膜片的主平面中的p掺杂的压电电阻元件,每个元件沿着晶轴<111>布置,静压传感器具有p掺杂的压电电阻 在E形截面光阑的外周厚壁部分的主平面上形成的元件,每个元件沿着晶轴<111>布置,并且具有在主平面上形成的p掺杂的压电电阻元件的温度传感器 E形截面膜片的外周厚壁部分,该元件沿着晶轴<100>排列。 在这样构成的多功能传感器中,由于温度和静压的影响,输出信号与差压传感器的偏差可以容易地消除,从而获得正确的信号。
    • 8. 发明授权
    • Method and apparatus for testing pattern of a printed circuit board
    • 用于测试印刷电路板图案的方法和装置
    • US4700225A
    • 1987-10-13
    • US913242
    • 1986-09-30
    • Yasuhiko HaraKeiya SaitoKoichi KarasakiAkira Sase
    • Yasuhiko HaraKeiya SaitoKoichi KarasakiAkira Sase
    • H04N7/18G01R31/28G01R31/309G06K9/00G06T1/00G06T5/00
    • G01R31/2806G01R31/309
    • A method and an apparatus for testing the pattern of a printed circuit board, comprising a stroboscope for emitting intermittent light synchronously with the feed velocity of the printed circuit board; a condenser lens for gathering the intermittent light emitted from the stroboscope and irradiating the gathered light to the printed circuit board; a filter for converting the light of the stroboscope to exciting light; a half mirror for reflecting the exciting light gathered by the condenser lens and converted by the filter, then projecting the reflected light upon the printed circuit board perpendicularly thereto, and passing the excited fluorescent light from the substrate of the printed circuit board; an imaging lens for forming an image of the fluorescent light passed through the half mirror; another filter for eliminating any other light than the fluorescent light out of the entire light passed through the half mirror; a TV camera for picking up the fluorescent image formed by the imaging lens; a memory for storing the preceding-frame pattern video signal obtained from the TV camera with the stroboscope turned on and attenuated by an amount corresponding to the afterimage component; a circuit for subtracting the attenuated stored pattern video signal from the present-frame pattern video signal obtained from the TV camera with the stroboscope turned on; a circuit for generating a reference pattern; and a circuit for producing a negative pattern of the wiring pattern from the output signal of the subtracting circuit and comparing the negative pattern with the reference pattern. In this invention, the image of the printed circuit board set on the table in continuous motion is picked up by the TV camera without any harmful influence of the afterimage so that the printed circuit board can be properly checked to ascertain whether the wiring pattern thereof is normal or not.
    • 一种用于测试印刷电路板的图案的方法和装置,包括与所述印刷电路板的进给速度同步地发射间歇光的频闪仪; 聚光透镜,用于收集从频闪仪发出的间歇光并将收集的光照射到印刷电路板; 用于将频闪仪的光转换成激发光的滤光器; 用于反射由聚光透镜聚集的激发光并由滤光器转换的半反射镜,然后将反射光垂直投影到印刷电路板上,并使激发的荧光从印刷电路板的基板通过; 用于形成通过半反射镜的荧光的图像的成像透镜; 用于消除通过半反射镜的整个光线中的荧光以外的任何其它光的另一个滤光器; 用于拾取由成像透镜形成的荧光图像的电视摄像机; 存储器,用于存储从电视摄像机获得的前置帧模式视频信号,其中频闪仪开启并衰减与余像分量对应的量; 用于从频闪灯开启的TV摄像机获得的当前帧图形视频信号中减去已衰减的存储图案视频信号的电路; 用于产生参考图案的电路; 以及用于从所述减法电路的输出信号产生所述布线图案的负图案并将所述负图案与所述参考图案进行比较的电路。 在本发明中,连续运动地设置在桌子上的印刷电路板的图像由电视摄像机拾取,而不会对余像造成任何有害影响,从而能够正确地检查印刷电路板,以确定其布线图案是否为 正常与否
    • 10. 发明授权
    • Field measuring instrument and its abnormality managing method
    • 现场测量仪器及其异常管理方法
    • US5103409A
    • 1992-04-07
    • US460374
    • 1990-01-03
    • Yasushi ShimizuAkira Sase
    • Yasushi ShimizuAkira Sase
    • G01D21/00G01D18/00
    • G01D18/00
    • A field measuring instrument such as a differential pressure/pressure transmitter, an electromagnetic flow meter, a temperature transmitter, or the like which is used for industrial measurement includes a counter which is periodically counted up at a predetermined interval and outputs an interruption signal; a work memory which can temporarily store data; an EEPROM which can store a total operating time of the field measuring instrument and a flag indicative of an abnormality; and a processing unit for receiving the interruption signal of the counter, for incrementing the total time operating times in the work memory, for storing the incremented total operating time into the EEPROM, for self-diagnosing apparatuses in the field measuring instrument and data in accordance with self-diagnosis programs provided in the processing unit, for producing a flag indicative of a state of an abnormality when the abnormality is detected, and for storing the flag into the EEPROM together with the total operating time stored in the work memory.
    • 用于工业测量的诸如差压/压力变送器,电磁流量计,温度变送器等的现场测量仪器包括以预定间隔周期性地计数并输出中断信号的计数器; 可临时存储数据的工作存储器; EEPROM,其可以存储现场测量仪器的总操作时间和指示异常的标志; 以及处理单元,用于接收计数器的中断信号,用于递增工作存储器中的总时间操作时间,用于将增加的总操作时间存储到EEPROM中,用于现场测量仪器中的自诊断设备和数据 具有在处理单元中设置的自诊断程序,用于当检测到异常时产生指示异常状态的标志,以及用于将该标志与存储在工作存储器中的总操作时间一起存储到EEPROM中。