Newsgroups: sci.electronics
Path: utzoo!utgpu!jarvis.csri.toronto.edu!csri.toronto.edu!dudek
From: dudek@csri.toronto.edu (Gregory Dudek)
Subject: Re: frequency of a rat
Message-ID: <8804132351.AA10375@darcy.csri.toronto.edu>
Keywords: annoy zap deter
Organization: University of Toronto, CSRI
References: <1313@uop.edu> <2761@saturn.ucsc.edu>
Date:	Wed, 13 Apr 88 17:51:57 EDT

In article <2761@saturn.ucsc.edu> matthew@ucscb.UCSC.EDU ((Matthew T. Kaufman)) writes:
>In article <1313@uop.edu> todd@uop.edu (Dr. Nethack) writes:
>>
>>My sugestion was to find the frequency used in those mouse zappers,
>>build an oscillator, and crank it out of some horn tweeters over
>>the bank (and use a transducer to crank under the water if necessary).
>>
>
>1. According to several sources (including the FTC) those things
> don't work against ANYTHING.
>
  Well, our family go one in the country & it sure seemed to chase away
the omnipresent mice.  Occasionally one will reappear, but now it's
once a year instead of constant.
  Among other things, this gadget sends out a pulse every second or
so, rather than transmitting constantly.  Maybe that makes it harded
to get acclimatised to.

   Gregory Dudek
-- 
Dept. of Computer Science (vision group)    University of Toronto
Reasonable mailers:  dudek@ai.toronto.edu
Other UUCP: {uunet,ihnp4,decvax,linus,pyramid,
		dalcs,watmath,garfield,ubc-vision,calgary}!utai!dudek
ARPA: user%ai.toronto.edu@relay.cs.net