JPS598303U - Microphone for blood pressure monitor - Google Patents

Microphone for blood pressure monitor

Info

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
Application number
JP10342482U
Other languages
Japanese (ja)
Inventor
修 池田
Original Assignee
東北金属工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 東北金属工業株式会社 filed Critical 東北金属工業株式会社
Priority to JP10342482U priority Critical patent/JPS598303U/en
Publication of JPS598303U publication Critical patent/JPS598303U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧電磁器を変換子に用いた血圧計用マイクロホンにおい
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.
JP10342482U 1982-07-07 1982-07-07 Microphone for blood pressure monitor Pending JPS598303U (en)

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)

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