Patent Translate Powered by EPO and Google Notice This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate, complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or financial decisions, should not be based on machine-translation output. DESCRIPTION JPS5344990 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention, and FIG. 1 is a plan view and FIG. 2 is a sectional view taken along the line XX. 1 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Piezoelectric material 2, 3, · · · · · · · · · · · · · · · · · · · · piezoelectric film · Adhesive, 8 ° 9 · · · · · · · · · Connection electrode. Description of the invention] = base Ko呆 In its 2 to the one-electron-type blood Wang meter, of a microphone to detect the Korutokonoho sound sensitive, 4 Rinikansuru. The one-child type sphygmomanometer does not require skill for auscultation of the sound of Colt Kosoh. Although this electronic sphygmomanometer receives Coltko Noho sounds with a microphone-it is Colt Kosoe. 1t) 1, g-eyf 1 λ to λ! If you do not receive at the position closest to the artery, you can not get good quality of 5-And, there are individual differences in @ pulse position; Sloppy, improper installation position of microphone, and measurement error Cause. In order to solve this defect, it may be considered to increase the area of the microphone's sensitivity. However, the arm on which the micro: phone is placed is a curved surface, and the curvature of the arm is also different among individuals. There is a conventional micro 1 off f, yo, wa. product. 2カニ 6いい9、あ、。 Since the sound of Korukosokoho sound is discriminated to storm 9 reservation with one frequency component, there should not be a unique slope point in the frequency characteristic of one microphone, so conventionally the shape of the sensing part of the microphone is circular It was limited. The present invention is intended to provide a sensing unit of a microphone for a blood field meter which solves the above-mentioned drawbacks, and will be described in detail based on the embodiment shown in the following. A flexible film having electro-pneumatic conductive properties and elasticity on both surfaces of the stripshaped piezoelectric film (4) +2) 131 having a metal foil electrode i 21 131 on both sides of the thin film-like king turtle material H) Membrane 15] 161 each. (2)-',... The flexible N 151 161 slightly protrudes from the longitudinal direction both fii (4a M 4 b) of the strip-shaped piezoelectric film i 4, and the protruding ends r 5 a) C 6 a) (5 b M 6 b) are bonded with an 04-05-2019 1 electrically insulating adhesive 171171 . Further, both ends (4a) and (4b) in the longitudinal direction of the piezoelectric film [4] are also adhered and fixed to the burnable film i 51 + 61 with an adhesive 171171. A sensing section (A) in which the piezoelectric film (4) and the flexible film 01161 are laminated, and both longitudinal directions (4a) and (4b) of the Ichida Nafisonem (4) are translated to the flexible d: 51 + 61 : Axle, strip-shaped longitudinal direction is orthogonal to the arm, and is attached to the arm while adhering closely along the oil surface of the arm. At this time, the anti-sense portion (A) is curved in the longitudinal direction, and the piezoelectric film 14) to which one end C4a) C4b) is fixed is appropriately subjected to summer tension, and this tension is acting piezoelectric The film (4) is able to receive the Colt Koso sound over the entire surface. On the other hand, in order to take out the electric signal generated from the peripheral 'electrodes 121: 311c of one piezoelectric film 14) 13) to both electrodes i 2 ++ 31 13 Since the flexure g-415) 161 is insulated by the adhesive 171i 71, it is sufficient to contact the connection electrode t 8) + 91 appropriately to the appropriate place on the outer surface of the one biplegia film [51 161]. Further, since the impedance of the piezoelectric film [4] is very high, the resistance value of the flexible F, A15) 161 may be relatively high. Furthermore, since the flexible film f5L'61 is a conductive elastic material, when one sensing portion (A) is curved in one use, the flexible film 151t61 and the electrode +21 + 3) are in close contact with each other and in contact with each other. Increase pressure. Electrical contact is also good. As described above, according to the present invention, it is possible to provide a sensing unit (A) having a large strip shape and a large sensitivity on the electronic sphygmomanometer, and using the sensing unit (A) Apply an appropriate tension to the piezoelectric film and facilitate electrode connection-and protect the extremely thin piezoelectric film +41 on both sides with re-sedimentation film r) ++ 6 + thickness of the sensitive part) Can be made easy to use. 04-05-2019 2
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