JPH0261306U - - Google Patents
Info
- Publication number
- JPH0261306U JPH0261306U JP14133488U JP14133488U JPH0261306U JP H0261306 U JPH0261306 U JP H0261306U JP 14133488 U JP14133488 U JP 14133488U JP 14133488 U JP14133488 U JP 14133488U JP H0261306 U JPH0261306 U JP H0261306U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- blood pressure
- vibrating element
- piezoelectric diaphragm
- amplification circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000036772 blood pressure Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 239000007769 metal material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は、本考案による血圧計用マイクロホン
の構造を示す平面図。第２図は、本考案による血
圧計用マイクロホンの回路構成を示す図。第３図
は、従来の血圧計用マイクロホンの圧電センサ部
と増幅回路部を示す平面図。
１…圧電振動板、２…増幅回路、４…リード線
、７…チツプトランジスタ、８，９…チツプ固定
抵抗、１０…ケーブル、１１…弾性材円板、１２
…振動素子、１３…電極、２１…プリント基板、
２２…回路、３１，３２，３３，３４…電極、Ｇ
…ゲート、Ｓ…ソース、Ｄ…ドレン。
FIG. 1 is a plan view showing the structure of a blood pressure monitor microphone according to the present invention. FIG. 2 is a diagram showing the circuit configuration of the microphone for blood pressure monitor according to the present invention. FIG. 3 is a plan view showing a piezoelectric sensor section and an amplifier circuit section of a conventional blood pressure monitor microphone. DESCRIPTION OF SYMBOLS 1 ... Piezoelectric diaphragm, 2 ... Amplifying circuit, 4... Lead wire, 7... Chip transistor, 8, 9... Chip fixed resistor, 10... Cable, 11... Elastic material disk, 12
... Vibration element, 13... Electrode, 21... Printed circuit board,
22... Circuit, 31, 32, 33, 34... Electrode, G
...gate, S...source, D...drain.
Claims (1)
製の弾性材の円板に密接し、圧電ユニモルフとし
た圧電振動板と、圧電振動板に発生した振動電圧
を増幅する増幅回路部とから成る血圧計用マイク
ロホンにおいて、圧電材料の振動素子を形成する
電極の一部に前記増幅回路を形成し、圧電振動板
に増幅回路を一体に構成したことを特徴とする血
圧計用マイクロホン。 A blood pressure device consisting of a piezoelectric unimorph piezoelectric diaphragm in which a vibrating element made of a piezoelectric material having electrodes on both sides is closely attached to a disk made of an elastic metal material, and an amplifier circuit section that amplifies the oscillating voltage generated in the piezoelectric diaphragm. 1. A blood pressure monitor microphone, characterized in that the amplification circuit is formed on a part of an electrode forming a vibrating element made of a piezoelectric material, and the amplification circuit is integrated with a piezoelectric diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14133488U JPH0261306U (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14133488U JPH0261306U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0261306U true JPH0261306U (en) | 1990-05-08 |
Family
ID=31406300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14133488U Pending JPH0261306U (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0261306U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59193497A (en) * | 1983-04-18 | 1984-11-02 | 富士電気化学株式会社 | Piezo-electric buzzer |
-
1988
- 1988-10-28 JP JP14133488U patent/JPH0261306U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59193497A (en) * | 1983-04-18 | 1984-11-02 | 富士電気化学株式会社 | Piezo-electric buzzer |
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