JPS598303U - Microphone for blood pressure monitor - Google Patents
Microphone for blood pressure monitorInfo
- Publication number
- JPS598303U JPS598303U JP10342482U JP10342482U JPS598303U JP S598303 U JPS598303 U JP S598303U JP 10342482 U JP10342482 U JP 10342482U JP 10342482 U JP10342482 U JP 10342482U JP S598303 U JPS598303 U JP S598303U
- Authority
- JP
- Japan
- Prior art keywords
- blood pressure
- microphone
- pressure monitor
- preamplifier
- piezoelectric ceramic
- 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
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本案の一例を示す断面図、第2図はその回路図
である。
2・・・圧電磁器、3・・・金属ケース、4・・・プリ
アンプ、9・・・半固定抵抗。FIG. 1 is a sectional view showing an example of the present invention, and FIG. 2 is a circuit diagram thereof. 2... Piezoelectric ceramic, 3... Metal case, 4... Preamplifier, 9... Semi-fixed resistor.
Claims (1)
て、該圧電磁器を内包した金属ケース中にインピーダン
ス整合用及び電圧増幅用プリアンプを内蔵し、かつ該プ
リアンプの出力電圧を可変するようにしたことを特徴と
する血圧計用マイクロホン。In a blood pressure monitor microphone using a piezoelectric ceramic as a transducer, a preamplifier for impedance matching and voltage amplification is built in a metal case containing the piezoelectric ceramic, and the output voltage of the preamplifier is variable. Characteristic microphone for blood pressure monitor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10342482U JPS598303U (en) | 1982-07-07 | 1982-07-07 | Microphone for blood pressure monitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10342482U JPS598303U (en) | 1982-07-07 | 1982-07-07 | Microphone for blood pressure monitor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS598303U true JPS598303U (en) | 1984-01-19 |
Family
ID=30243318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10342482U Pending JPS598303U (en) | 1982-07-07 | 1982-07-07 | Microphone for blood pressure monitor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS598303U (en) |
-
1982
- 1982-07-07 JP JP10342482U patent/JPS598303U/en active Pending
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