Title :
An Ultrasonic Remote Control for Home Receivers
Author :
Adler, Rasmus ; Desmares, P. ; Spracklen, J.
Author_Institution :
Zenith Radio Corp.
Abstract :
A remote control system for tv receivers is described which employs ultrasound in the vicinity of 40 kc. Slowly decaying single-frequency signals are produced by striking aluminum rods with a hammer. The receiver employs limiting followed by frequency selection and integration to discriminate against acoustic interference.
Keywords :
Absorption; Acoustic devices; Aluminum; Control systems; Frequency; Interference; Optical receivers; Optical transmitters; TV receivers; Ultrasonic imaging;
Journal_Title :
Consumer Electronics, IEEE Transactions on
DOI :
10.1109/TCE.1982.353875
