The rig uses a 60W ultrasonic transducer, operating at approximately 40 KHz, to generate a standing wave in combination with a reflector – essentially a rigid piece of material off which sound ...
These issues soon led to the introduction of the Zenith Space Command remote control, which used ultrasonic frequencies to control the TV. What is particularly interesting about the Zenith Space ...
The Wand Company’s all‐new extending Twelfth Doctor’s Sonic Screwdriver universal remote control prop replica. The new Sonic Screwdriver has not only been updated to reflect the subtle changes in the ...
From the University of Minnesota, Minneapolis (M.W.K.); University of Kansas Hospital, Kansas City (D.R.L.); Harvard University, Boston, MA (J.R.S.); and Holy Cross ...
1920 E. Hallandale Beach Blvd., Suite 905, Hallandale, FL 33009 ...