JPH0561928B2 - - Google Patents

Info

Publication number
JPH0561928B2
JPH0561928B2 JP60034002A JP3400285A JPH0561928B2 JP H0561928 B2 JPH0561928 B2 JP H0561928B2 JP 60034002 A JP60034002 A JP 60034002A JP 3400285 A JP3400285 A JP 3400285A JP H0561928 B2 JPH0561928 B2 JP H0561928B2
Authority
JP
Japan
Prior art keywords
diaphragm
detection sensor
vibration detection
piezoelectric element
sensor according
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.)
Expired - Lifetime
Application number
JP60034002A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61193028A (ja
Inventor
Takeshi Oda
Yoshihiro Sakurai
Haruhiro Terada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP60034002A priority Critical patent/JPS61193028A/ja
Publication of JPS61193028A publication Critical patent/JPS61193028A/ja
Publication of JPH0561928B2 publication Critical patent/JPH0561928B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
JP60034002A 1985-02-22 1985-02-22 振動検出センサ− Granted JPS61193028A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60034002A JPS61193028A (ja) 1985-02-22 1985-02-22 振動検出センサ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60034002A JPS61193028A (ja) 1985-02-22 1985-02-22 振動検出センサ−

Publications (2)

Publication Number Publication Date
JPS61193028A JPS61193028A (ja) 1986-08-27
JPH0561928B2 true JPH0561928B2 (enrdf_load_stackoverflow) 1993-09-07

Family

ID=12402235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60034002A Granted JPS61193028A (ja) 1985-02-22 1985-02-22 振動検出センサ−

Country Status (1)

Country Link
JP (1) JPS61193028A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6549467B2 (ja) * 2015-10-23 2019-07-24 日本特殊陶業株式会社 保護ケース、振動センサおよびその製造方法、ならびに脈拍測定装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50100390U (enrdf_load_stackoverflow) * 1974-01-16 1975-08-20
JPS50141488U (enrdf_load_stackoverflow) * 1974-05-08 1975-11-21
JPS5951836A (ja) * 1982-09-03 1984-03-26 株式会社日立製作所 血圧計用腕帯
JPS59209328A (ja) * 1983-05-14 1984-11-27 松下電工株式会社 血圧計用コロトコフ音センサ

Also Published As

Publication number Publication date
JPS61193028A (ja) 1986-08-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term