JPH0440648B2 - - Google Patents

Info

Publication number
JPH0440648B2
JPH0440648B2 JP62307573A JP30757387A JPH0440648B2 JP H0440648 B2 JPH0440648 B2 JP H0440648B2 JP 62307573 A JP62307573 A JP 62307573A JP 30757387 A JP30757387 A JP 30757387A JP H0440648 B2 JPH0440648 B2 JP H0440648B2
Authority
JP
Japan
Prior art keywords
waveguide
speaker
sound source
microphone
calibration
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
JP62307573A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01148920A (ja
Inventor
Kanehide Watanabe
Yoshitaka Hayamizu
Yoshiteru Urino
Yasuo Fujiki
Haruhiko Tashiro
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.)
Akai Electric Co Ltd
Doryokuro Kakunenryo Kaihatsu Jigyodan
Original Assignee
Akai Electric Co Ltd
Doryokuro Kakunenryo Kaihatsu Jigyodan
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 Akai Electric Co Ltd, Doryokuro Kakunenryo Kaihatsu Jigyodan filed Critical Akai Electric Co Ltd
Priority to JP62307573A priority Critical patent/JPH01148920A/ja
Publication of JPH01148920A publication Critical patent/JPH01148920A/ja
Publication of JPH0440648B2 publication Critical patent/JPH0440648B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP62307573A 1987-12-07 1987-12-07 マイクロホンの較正音源装置 Granted JPH01148920A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62307573A JPH01148920A (ja) 1987-12-07 1987-12-07 マイクロホンの較正音源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62307573A JPH01148920A (ja) 1987-12-07 1987-12-07 マイクロホンの較正音源装置

Publications (2)

Publication Number Publication Date
JPH01148920A JPH01148920A (ja) 1989-06-12
JPH0440648B2 true JPH0440648B2 (fr) 1992-07-03

Family

ID=17970704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62307573A Granted JPH01148920A (ja) 1987-12-07 1987-12-07 マイクロホンの較正音源装置

Country Status (1)

Country Link
JP (1) JPH01148920A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907029B (zh) * 2019-11-18 2022-04-15 潍坊歌尔微电子有限公司 振动感测装置的校准方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537704A (en) * 1978-09-07 1980-03-15 Toshiba Corp Method for manufacturing sintered type electrode for discharge lamp
JPS63214624A (ja) * 1987-03-04 1988-09-07 Power Reactor & Nuclear Fuel Dev Corp コンデンサ型耐高温、耐放射線、耐振、耐湿マイクロホンの較正音源装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129173U (fr) * 1981-02-05 1982-08-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537704A (en) * 1978-09-07 1980-03-15 Toshiba Corp Method for manufacturing sintered type electrode for discharge lamp
JPS63214624A (ja) * 1987-03-04 1988-09-07 Power Reactor & Nuclear Fuel Dev Corp コンデンサ型耐高温、耐放射線、耐振、耐湿マイクロホンの較正音源装置

Also Published As

Publication number Publication date
JPH01148920A (ja) 1989-06-12

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