An ultrasonic rangefinder sends out a short beep of sound, and measures
the time it takes for an echo to come back. Knowing the speed of sound,
it calculates the distance to the object the sound echoed off of.
It uses sound at a frequency that your ears can't hear, so the beep is called "ultrasonic".
Verbal shrapnel
Many - fish finders, many sonar devices.
1502
Ultrasonic sounds are sounds that are above our hearing range.
Archibald Barr has written: 'Telemeters and range-finders' -- subject(s): Optical range finders, Telemeter
Yes, you can use golf range finders while setting a club record.
ULTRASONIC
One can purchase laser range finders form Canadian Tire. They carry the lowest and best prices around. Their prices are unbeatable. These finders will help you get through your tough days.
Yes, dogs can hear ultrasonic sounds that are beyond the range of human hearing.
Range finders work by emitting a laser beam towards a target and measuring the time it takes for the beam to bounce back. This technology, known as LIDAR (Light Detection and Ranging), allows range finders to accurately calculate distances by using the speed of light.
CHINA it says on mine
Ultrasonic