JPS58106774U - 物体検知装置 - Google Patents

物体検知装置

Info

Publication number
JPS58106774U
JPS58106774U JP222682U JP222682U JPS58106774U JP S58106774 U JPS58106774 U JP S58106774U JP 222682 U JP222682 U JP 222682U JP 222682 U JP222682 U JP 222682U JP S58106774 U JPS58106774 U JP S58106774U
Authority
JP
Japan
Prior art keywords
detection device
object detection
piezoelectric element
thickness
wave receiver
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.)
Granted
Application number
JP222682U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0125346Y2 (enrdf_load_stackoverflow
Inventor
学徳 鴫原
守矢　滋
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP222682U priority Critical patent/JPS58106774U/ja
Publication of JPS58106774U publication Critical patent/JPS58106774U/ja
Application granted granted Critical
Publication of JPH0125346Y2 publication Critical patent/JPH0125346Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP222682U 1982-01-13 1982-01-13 物体検知装置 Granted JPS58106774U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP222682U JPS58106774U (ja) 1982-01-13 1982-01-13 物体検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP222682U JPS58106774U (ja) 1982-01-13 1982-01-13 物体検知装置

Publications (2)

Publication Number Publication Date
JPS58106774U true JPS58106774U (ja) 1983-07-20
JPH0125346Y2 JPH0125346Y2 (enrdf_load_stackoverflow) 1989-07-28

Family

ID=30015210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP222682U Granted JPS58106774U (ja) 1982-01-13 1982-01-13 物体検知装置

Country Status (1)

Country Link
JP (1) JPS58106774U (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006129821A1 (ja) * 2005-05-31 2006-12-07 Ngk Insulators, Ltd. 物体の通過検出装置
US11506772B2 (en) 2017-10-26 2022-11-22 Seiko Epson Corporation Ultrasonic device and ultrasonic measuring apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640134U (enrdf_load_stackoverflow) * 1979-09-07 1981-04-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640134U (enrdf_load_stackoverflow) * 1979-09-07 1981-04-14

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006129821A1 (ja) * 2005-05-31 2006-12-07 Ngk Insulators, Ltd. 物体の通過検出装置
US7707887B2 (en) 2005-05-31 2010-05-04 Ngk Insulators, Ltd. Passage detection apparatus of object
US8528408B2 (en) 2005-05-31 2013-09-10 Ngk Insulators, Ltd. Passage detection apparatus of object
US11506772B2 (en) 2017-10-26 2022-11-22 Seiko Epson Corporation Ultrasonic device and ultrasonic measuring apparatus

Also Published As

Publication number Publication date
JPH0125346Y2 (enrdf_load_stackoverflow) 1989-07-28

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