JPH0140071Y2 - - Google Patents

Info

Publication number

JPH0140071Y2

JPH0140071Y2 JP18162384U JP18162384U JPH0140071Y2 JP H0140071 Y2 JPH0140071 Y2 JP H0140071Y2 JP 18162384 U JP18162384 U JP 18162384U JP 18162384 U JP18162384 U JP 18162384U JP H0140071 Y2 JPH0140071 Y2 JP H0140071Y2

Authority

JP

Japan

Prior art keywords

circuit

round trip

trip time

wave

time

Prior art date

1984-11-30

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

Links

• Espacenet
• Global Dossier
• Discuss

• 230000005540 biological transmission Effects 0.000 claims description 5
• 230000001934 delay Effects 0.000 claims description 2
• 230000010355 oscillation Effects 0.000 description 4
• 238000001514 detection method Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 2
• 238000002604 ultrasonography Methods 0.000 description 2
• 230000003213 activating effect Effects 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1
• 230000000737 periodic effect Effects 0.000 description 1