Re: Signatures ?

Ken ( (no email) )
Sat, 24 Jan 1998 20:44:28 -0500

Medical Heart Imagers and sonagrams use 2-10MHz acoustic
transducers.

v/r Ken Carrigan

>On Sat, 24 Jan 1998, Bruce A. Perreault wrote:
>
>> Folks,
>>
>> This will not work because the resonate frequencies of
>> elements are the the Mhz. range...
>>
>> What transducer and microphone can work in these frequencies?
>
>Hmm... bOING! Got me there, guy. Ummm... well, there's always RF.
>Same concept, higher frequencies -- same results. Although I could've
>sworn something was posted to KeelyNet recently about creating and
>detecting sonic waves well into the MHz range. Or maybe I'm thinking about
>the file on collisionless shockwaves. Damnit. Help me out here, Jerry!
>
>
>
>