Re: Do "Pet Immunity" Motion Detectors Really Work?

[RTS <gafa@xxxxxxx>]

On 4/28/2017 5:24 PM, Jim Davis wrote:
> On Thursday, April 27, 2017 at 4:26:54 PM UTC-4, Richard wrote:
>> Now Jim  let's not be to hasty.  ;-)
>>
>> He could use pressure mats crossed zones or paralleled with motion
>> detectors set at their maximum crossing point 25-35 feet looking
>> directly at each other, so all 3 would need to trip at the same time to
>> cause an alarm..
>> Providing of course he included a temp sensor to disable the whole thing
>> if the temp dropped below 35 degrees F.  or above 100 degrees F.
>> It would also be helpful to add a 22,000 hz 50db background horn to keep
>> the effected area blanketed with that noise to keep critters away..
>>
>> Yea,  I think it could be done with a little effort and forethought...
>>
>
> Well since we're talking about keeping cats out, much more environmentally considerate would be to set out tiny land mines. ME ..... BANG!.... OW...!
>
> ((((( As an aside, I might suggest that you do not put all of your personal information on your posts in this group. ))))))
>

for cats  we use the ole disco ball with RED LED lasers,
It seem the cats will play all night chasing the little spots...

RTS