JPH0147079B2 - - Google Patents

Info

Publication number
JPH0147079B2
JPH0147079B2 JP19214384A JP19214384A JPH0147079B2 JP H0147079 B2 JPH0147079 B2 JP H0147079B2 JP 19214384 A JP19214384 A JP 19214384A JP 19214384 A JP19214384 A JP 19214384A JP H0147079 B2 JPH0147079 B2 JP H0147079B2
Authority
JP
Japan
Prior art keywords
tip
microphone case
elastic body
space
microphone
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
Application number
JP19214384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6169297A (ja
Inventor
Mineo Okamoto
Susumu Katayama
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 JP19214384A priority Critical patent/JPS6169297A/ja
Publication of JPS6169297A publication Critical patent/JPS6169297A/ja
Publication of JPH0147079B2 publication Critical patent/JPH0147079B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP19214384A 1984-09-13 1984-09-13 超音波センサ− Granted JPS6169297A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19214384A JPS6169297A (ja) 1984-09-13 1984-09-13 超音波センサ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19214384A JPS6169297A (ja) 1984-09-13 1984-09-13 超音波センサ−

Publications (2)

Publication Number Publication Date
JPS6169297A JPS6169297A (ja) 1986-04-09
JPH0147079B2 true JPH0147079B2 (en]) 1989-10-12

Family

ID=16286406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19214384A Granted JPS6169297A (ja) 1984-09-13 1984-09-13 超音波センサ−

Country Status (1)

Country Link
JP (1) JPS6169297A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2581743Y2 (ja) * 1992-06-19 1998-09-24 株式会社ミツバ 超音波センサ

Also Published As

Publication number Publication date
JPS6169297A (ja) 1986-04-09

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