JPS5915181Y2 - 赤外線センサ兼用マイクロホン - Google Patents

赤外線センサ兼用マイクロホン

Info

Publication number
JPS5915181Y2
JPS5915181Y2 JP13063379U JP13063379U JPS5915181Y2 JP S5915181 Y2 JPS5915181 Y2 JP S5915181Y2 JP 13063379 U JP13063379 U JP 13063379U JP 13063379 U JP13063379 U JP 13063379U JP S5915181 Y2 JPS5915181 Y2 JP S5915181Y2
Authority
JP
Japan
Prior art keywords
film
case
infrared sensor
microphone
piezoelectric film
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
JP13063379U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5648189U (OSRAM
Inventor
周平 小西
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP13063379U priority Critical patent/JPS5915181Y2/ja
Publication of JPS5648189U publication Critical patent/JPS5648189U/ja
Application granted granted Critical
Publication of JPS5915181Y2 publication Critical patent/JPS5915181Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Radiation Pyrometers (AREA)
  • Burglar Alarm Systems (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP13063379U 1979-09-20 1979-09-20 赤外線センサ兼用マイクロホン Expired JPS5915181Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13063379U JPS5915181Y2 (ja) 1979-09-20 1979-09-20 赤外線センサ兼用マイクロホン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13063379U JPS5915181Y2 (ja) 1979-09-20 1979-09-20 赤外線センサ兼用マイクロホン

Publications (2)

Publication Number Publication Date
JPS5648189U JPS5648189U (OSRAM) 1981-04-28
JPS5915181Y2 true JPS5915181Y2 (ja) 1984-05-04

Family

ID=29362329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13063379U Expired JPS5915181Y2 (ja) 1979-09-20 1979-09-20 赤外線センサ兼用マイクロホン

Country Status (1)

Country Link
JP (1) JPS5915181Y2 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7446957B2 (ja) 2020-09-03 2024-03-11 ホシデン株式会社 検知センサ及びこれを備えた検知装置
JP2025038633A (ja) * 2023-09-07 2025-03-19 ホシデン株式会社 検知センサ

Also Published As

Publication number Publication date
JPS5648189U (OSRAM) 1981-04-28

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