[GreenKeys] Telephoto machines?

Wed Jul 1 15:10:43 EDT 2015

     No wonder the name stuck in my mind.  The Kay Sonagraph.  I 
remember Kay Lab very well.  I never saw one of these machines except in 
Kay advertisements. I am pretty sure they were advertised in pro audio 
magazines.   This is very similar to the machine used at Bell Labs which 
appears from illustrations in the book to have been fashioned from a 
Presto disc recorder.  I wonder if any Kay Sonagraphs have survived.

On 7/1/2015 11:45 AM, Lester Veenstra wrote:
>
> It certainly could be used for speech analysis
>
> I believe it was made by Kay.
>
> http://jproc.ca/rrp/sonagraph.html
>
> http://fonetiek.ullet.net/pacilly/Pras/vk-6-sg-6061-b.jpg
>
> Lester B Veenstra  MØYCM K1YCM W8YCM
>
> lester at veenstras.com
>
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> -----Original Message-----
> From: Richard Knoppow [mailto:1oldlens1 at ix.netcom.com]
> Sent: Wednesday, July 01, 2015 1:48 PM
> To: lester at veenstras.com; greenkeys at mailman.qth.net
> Subject: Re: [GreenKeys] Telephoto machines?
>
>      Interesting.  I had associated the name with the analyzer used in
>
> the Bell Labs experiment  but found it does not appear in the book
>
> "Visible Speech" I cited.   Evidently my memory was not so far off the
>
> mark.
>
> On 6/30/2015 5:44 PM, Lester Veenstra wrote:
>
> > The SONOGRAPH was an off line audio spectrum analyzer
>
> > It could analyze speech or visually demodulate the bits (bauds) of a 
> fm/fsk
>
> > system
>
> >
>
> >
>
> > Lester B Veenstra  MØYCM K1YCM W8YCM
>
> > lester at veenstras.com
>
> >
>
> > US Postal Address:
>
> > 5 Shrine Club Drive
>
> > HC84 Box 89C
>
> > Keyser WV 26726
>
> > GPS: 39.336826 N  78.982287 W (Google)
>
> > GPS: 39.33682 N  78.9823741 W (GPSDO)
>
> >
>
> >
>
> > Telephones:
>
> > Home: +1-304-289-6057
>
> > US cell +1-304-790-9192
>
> > UK cell +44-(0)7849-248-749
>
> > Guam Cell: +1-671-929-8141
>
> > Jamaica: +1-876-456-8898
>
> >
>
> > This e-mail and any documents attached hereto contain confidential or
>
> > privileged information. The information is intended to be for use 
> only by
>
> > the individual or entity to whom they are addressed. If you are not the
>
> > intended recipient or the person responsible for delivering the 
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> > or use of the contents of this e-mail or any documents attached 
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> > prohibited.
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> >
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> >
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> >
>
> > -----Original Message-----
>
> > From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of
>
> > Richard Knoppow
>
> > Sent: Tuesday, June 30, 2015 6:37 PM
>
> > To: greenkeys at mailman.qth.net
>
> > Subject: Re: [GreenKeys] Telephoto machines?
>
> >
>
> >        The term Sonograph reminded me of another device not related but
>
> > the name tickled my memory.   This was a sound spectrograph developed at
>
> > Bell Laboratories sometime around the mid-1940s and used for the
>
> > analysis of speech.   A book was published describing the method and
>
> > discussing some of the results under the title _Visible Speech_  Potter,
>
> > Kopp and Green   (1948) D. van Nostrand and Company.   I thought the
>
> > machine might have used Teledeltos paper but it seems to have used
>
> > photographic paper.   A machine for "reading" the graphs was also
>
> > designed.  I remember seeing a film or program about this research on
>
> > television when I was a kid. Perhaps available at Archive org or You
>
> > Tube, I have not yet looked. Although pretty far removed from Teletype
>
> > machines or even FAX machines I think it may be of some interest to
>
> > those on this list. Note that Mellville Bell, Alexander Bell's father,
>
> > devised a phonetic alphabet also called Visible Speech, many years
>
> > before this spectrum analyzer. Unfortunately the book does not seem to
>
> > be available as a PDF on the web. I believe several related papers
>
> > were published in the BSTJ and in the Journal of the Acoustical Society
>
> > of America but do not have specific citations.
>
> >
>
> > On 6/30/2015 10:10 AM, Lester Veenstra wrote:
>
> >> And also use in the SONOGRAPH, a device well known to CTTs and CTMs.
>
> >>
>
> >>
>
> >> Lester B Veenstra  MØYCM K1YCM W8YCM
>
> >> lester at veenstras.com
>
> >>
>
> >>> -- Chris Elmquist N?JCF
>
> >>       No, it was called Teledeltos paper.   It's a simple resistive
>
> >> coating (carbon plus copper thiocyanate in the final version)
>
> >> which is burned off by power from the writing stylus.  It's
>
> >> not electrostatic; that puts something onto the paper. This takes it
>
> >> off.
>
> >>
>
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> -- 
>
> Richard Knoppow
>
> 1oldlens1 at ix.netcom.com
>
> WB6KBL
>

-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL

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