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    • 1. 发明专利
    • Pressure sensor and biological information processor
    • 压力传感器和生物信息处理器
    • JP2005156531A
    • 2005-06-16
    • JP2004185221
    • 2004-06-23
    • Sony Corpソニー株式会社
    • NAOI TAKAYOSHITOYODA JUNICHI
    • G01L1/16A61B5/0245A61B5/11
    • PROBLEM TO BE SOLVED: To provide a pressure sensor capable of increasing adhesion with a measured object for improvement in detection sensitiveness, and a biological information processor. SOLUTION: This pressure sensor is constructed so that an elastic part 4 is brought into contact with a sensor part 101 formed by covering a pressure sensing part 100, which is a piezoelectric film 1 having conductive films 2 and 2' formed on its front and back faces, with an insulation part 3. In this way, when the elastic part 4 is pressed, the sensor part 101 is pressed to be brought into close contact with the measured object, so that adhesion between the sensor part 101 and the measured object can be increased, and consequently, the pressure sensor with high detection sensitiveness can be realized. In measurement, shock and vibration applied to the piezoelectric film 1 can be reduced when the elastic part 4 is positioned between an installation part such as a belt and the sensor part 101, and effect of noise from the outside of the pressure sensing part can be lowered. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够增加与测量对象的粘附性以提高检测灵敏度的压力传感器和生物信息处理器。 解决方案:该压力传感器被构造成使得弹性部件4与通过覆盖作为其上形成有导电膜2和2'的压电膜1的压力感测部件100形成的传感器部件101相接触 具有绝缘部件3.这样,当按压弹性部件4时,传感器部件101被按压以与所测量的物体紧密接触,使得传感器部件101和 可以提高测量对象,从而可以实现具有高检测灵敏度的压力传感器。 在测量时,当弹性部分4位于诸如皮带的安装部分和传感器部分101之间时,施加到压电薄膜1上的冲击和振动可以减小,并且来自压力感测部分的外部的噪声的影响可以是 降低。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • ELECTROMAGNETIC WAVE ABSORBING PASTE
    • JP2001077585A
    • 2001-03-23
    • JP25195899
    • 1999-09-06
    • SONY CORP
    • TOYODA JUNICHI
    • H05K9/00H01Q17/00
    • PROBLEM TO BE SOLVED: To prevent warping of a board due to heat treatment and spurious radiation and leakage of electromagnetic waves from electronic components or the like by mixing low thermal expansion coefficient particles into a mixture obtained by kneading electromagnetic wave absorbing material and organic binder. SOLUTION: The gaps among electromagnetic wave absorbing material comprising magnetic material particles are filled with low-thermal expansion coefficient particles 7. The materials used for the electromagnetic wave absorbing materials include ferrite materials and metallic materials. Spherical silica or cordierite is used as the low-thermal expansion coefficient particles 7. For example, ferrite, a soft magnetic material, has substantially no effect on electromagnetic wave absorption when they are not more than 2 μm in grain size, but fine particles are also required for ensuring the shape of paste (e.g. viscosity, fluidity) and shape for formation in printing. So, silica, for example, in which its grain size is so adjusted that ferrite is most closely packed (grain size: not more than 2 μm) is mixed. Thus warping of a board after paste being cured can be prevented without degrading electromagnetic wave-absorbing characteristic.
    • 7. 发明专利
    • FAN DEVICE AND ITS USAGE
    • JP2000334381A
    • 2000-12-05
    • JP15326699
    • 1999-06-01
    • SONY CORP
    • TOYODA JUNICHI
    • B06B1/06F04D25/08H01L41/083
    • PROBLEM TO BE SOLVED: To enable sure drive even when a drive voltage is low, and to prevent the increase in processing man-hour and in the number of parts. SOLUTION: A fan device 12 is provided with a pair of piezoelectric element laminated bodies 14, 15 formed by laminating plural thin-layered piezoelectric elements, an elastic metal plate 17 of which the base end part 17a is put between a pair of the piezoelectric element laminated bodies 14, 15 and of which the forward end is oscillatingly mounted without being restricted, and an alternating-current power supply 21 capable of impressing AC voltage on the external electrodes of a pair of the piezoelectric element laminated bodies. Internal electrodes between the piezoelectric elements of the piezoelectric element laminated bodies are mounted on the both side surfaces of the piezoelectric element laminated bodies and are alternately connected to side electrodes which are respectively connected to the external electrodes on the upper and lower surfaces. Notches 17c, 17d are formed in a manner to prevent the contact of the elastic metal plate with the side electrodes.
    • 8. 发明专利
    • HEAT TRANSFER UNIT AND ELECTRONIC APPARATUS
    • JP2000286581A
    • 2000-10-13
    • JP8906599
    • 1999-03-30
    • SONY CORP
    • YAZAWA KAZUAKITOYODA JUNICHI
    • H05K7/20F28D11/06H01L23/473
    • PROBLEM TO BE SOLVED: To transmit heat from a heating part silently and forcibly by driving a piezoelectric means from an ultrasonic signal supply means to flow a fluid in a specified direction through an endless loop hollow section and transmitting heat. SOLUTION: An ultrasonic signal is fed between an electrode 5A and an outer surface part 10C from an ultrasonic signal generating source 6A and an ultrasonic signal is fed between an electrode 5B and the outer surface part 10C. Vibration of Csin ωt is generated in piezoelectric elements 4A, 4B located between the electrode 5A and the outer surface part 10C of a carrier member 10 and vibration of Ccos ωt is generated in piezoelectric elements 4C, 4D located between the electrode 5B and the outer surface part 10C of the carrier member 10. By the frictional resistance between a fluid filling a ring-like hollow section with no gap and the inner surface part of a ring-like member 10, the fluid is imparted with a motion for flowing through the ring-like hollow section clockwise from a wave traveling on the outer surface part 10C counterclockwise thus bringing out a state where the fluid is circulated forcibly through the ring-like hollow section.