JP2020071050A - 超音波センサ及び超音波減衰装置 - Google Patents

超音波センサ及び超音波減衰装置 Download PDF

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Publication number
JP2020071050A
JP2020071050A JP2018202966A JP2018202966A JP2020071050A JP 2020071050 A JP2020071050 A JP 2020071050A JP 2018202966 A JP2018202966 A JP 2018202966A JP 2018202966 A JP2018202966 A JP 2018202966A JP 2020071050 A JP2020071050 A JP 2020071050A
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Japan
Prior art keywords
ultrasonic
ultrasonic wave
propagation direction
protrusions
transmitting
Prior art date
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Pending
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JP2018202966A
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English (en)
Japanese (ja)
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JP2020071050A5 (enExample
Inventor
俊樹 今村
Toshiki Imamura
俊樹 今村
賢二 池田
Kenji Ikeda
賢二 池田
崇之 福井
Takayuki Fukui
崇之 福井
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.)
Secom Co Ltd
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Secom Co Ltd
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Publication date
Application filed by Secom Co Ltd filed Critical Secom Co Ltd
Priority to JP2018202966A priority Critical patent/JP2020071050A/ja
Publication of JP2020071050A publication Critical patent/JP2020071050A/ja
Publication of JP2020071050A5 publication Critical patent/JP2020071050A5/ja
Pending legal-status Critical Current

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  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP2018202966A 2018-10-29 2018-10-29 超音波センサ及び超音波減衰装置 Pending JP2020071050A (ja)

Priority Applications (1)

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JP2018202966A JP2020071050A (ja) 2018-10-29 2018-10-29 超音波センサ及び超音波減衰装置

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JP2018202966A JP2020071050A (ja) 2018-10-29 2018-10-29 超音波センサ及び超音波減衰装置

Publications (2)

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JP2020071050A true JP2020071050A (ja) 2020-05-07
JP2020071050A5 JP2020071050A5 (enExample) 2021-10-28

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JP2018202966A Pending JP2020071050A (ja) 2018-10-29 2018-10-29 超音波センサ及び超音波減衰装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024101319A1 (ja) * 2022-11-11 2024-05-16 ローム株式会社 自律移動装置及び自律移動装置用のスピーカマイクの複合ユニット

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144481U (enExample) * 1979-04-03 1980-10-16
JPS63181021A (ja) * 1987-01-23 1988-07-26 Canon Inc 座標入力装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144481U (enExample) * 1979-04-03 1980-10-16
JPS63181021A (ja) * 1987-01-23 1988-07-26 Canon Inc 座標入力装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024101319A1 (ja) * 2022-11-11 2024-05-16 ローム株式会社 自律移動装置及び自律移動装置用のスピーカマイクの複合ユニット

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