JP5134434B2 - 超音波センサ - Google Patents
超音波センサ Download PDFInfo
- Publication number
- JP5134434B2 JP5134434B2 JP2008134719A JP2008134719A JP5134434B2 JP 5134434 B2 JP5134434 B2 JP 5134434B2 JP 2008134719 A JP2008134719 A JP 2008134719A JP 2008134719 A JP2008134719 A JP 2008134719A JP 5134434 B2 JP5134434 B2 JP 5134434B2
- Authority
- JP
- Japan
- Prior art keywords
- wave
- ultrasonic
- wall surface
- sensor
- transmitted
- 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 - Fee Related
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- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
1a 音波放射口
2 天井(造営面)
20 第1の壁面
21 第2の壁面
21a 開口
Claims (1)
- 超音波を送波する送波手段と、送波された超音波の反射波を受波する受波手段と、送波手段及び受波手段を収納するとともに送波手段から送波される超音波を外部に取り出す音波放射口を有するセンサ本体とを備え、互いに鈍角を成すように屈曲された第1の壁面及び第2の壁面から成る造営面の何れか一方の壁面に設けられた開口と音波放射口とが連通するようにセンサ本体が配置される超音波センサであって、第1の壁面及び第2の壁面の屈曲部位と音波放射口との間の距離を、送波する超音波の波長よりも短くなるように設定したことを特徴とする超音波センサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008134719A JP5134434B2 (ja) | 2008-05-22 | 2008-05-22 | 超音波センサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008134719A JP5134434B2 (ja) | 2008-05-22 | 2008-05-22 | 超音波センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009281891A JP2009281891A (ja) | 2009-12-03 |
JP5134434B2 true JP5134434B2 (ja) | 2013-01-30 |
Family
ID=41452485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008134719A Expired - Fee Related JP5134434B2 (ja) | 2008-05-22 | 2008-05-22 | 超音波センサ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5134434B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5987437B2 (ja) * | 2012-04-18 | 2016-09-07 | マツダ株式会社 | 自動車用侵入検知装置 |
JP7247504B2 (ja) * | 2018-09-26 | 2023-03-29 | マツダ株式会社 | 侵入検知装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61118863U (ja) * | 1985-01-14 | 1986-07-26 | ||
JPH0220130Y2 (ja) * | 1985-01-14 | 1990-06-01 |
-
2008
- 2008-05-22 JP JP2008134719A patent/JP5134434B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009281891A (ja) | 2009-12-03 |
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