Devices for manipulating acoustic surface waves (electro-acoustic amplifiers H03F13/00; networks comprising electro-acoustic elements H03H9/00)

Full Title

Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general > Devices for manipulating acoustic surface waves (electro-acoustic amplifiers H03F13/00; networks comprising electro-acoustic elements H03H9/00)