DocumentCode
1185993
Title
An Ultrasonic Remote Control for Home Receivers
Author
Adler, R. ; Desmares, P. ; Spracklen, J.
Author_Institution
Zenith Radio Corp., Chicago, Ill.
Issue
1
fYear
1957
fDate
6/1/1957 12:00:00 AM
Firstpage
8
Lastpage
13
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; Communication system signaling; Control systems; Optical receivers; Optical transmitters; Resonant frequency; TV receivers; Temperature;
fLanguage
English
Journal_Title
Broadcast and Television Receivers, IRE Transactions on
Publisher
ieee
ISSN
0096-1655
Type
jour
DOI
10.1109/TBTR2.1957.4502960
Filename
4502960
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