JPS63171098U - - Google Patents

Info

Publication number

JPS63171098U

JPS63171098U JP6255487U JP6255487U JPS63171098U JP S63171098 U JPS63171098 U JP S63171098U JP 6255487 U JP6255487 U JP 6255487U JP 6255487 U JP6255487 U JP 6255487U JP S63171098 U JPS63171098 U JP S63171098U

Authority

JP

Japan

Prior art keywords

sound wave

wave transmitting

receiving section

piezoelectric element

ultrasonic sensor

Prior art date

1987-04-24

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000002184 metal Substances 0.000 claims description 4
• 239000000463 material Substances 0.000 description 1

Cited By (1)