2020-04-19 Ultrasonic Transceiver Design Idea

Many years ago I saw electronic listening devices for receiving a block of ultrasonic frequencies that bats use and downconvert that block to frequencies that humans can hear. But no one to my knowledge has tried to convert human frequencies up to ultrasonic frequencies so that humans can try to establish a conversation with other small animals. I don’t make a claim that it will work, but one never knows until it has been attempted and found that it doesn’t work.

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