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   comp.protocols.tcp-ip      TCP and IP network protocols.      14,669 messages   

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   Message 13,317 of 14,669   
   Archimedes' Lever to mike.terrell@earthlink.net   
   Re: OT: The Truth About Predator Drones   
   18 Dec 09 19:46:57   
   
   XPost: comp.dsp, sci.crypt, sci.electronics.design   
   From: OneBigLever@InfiniteSeries.Org   
      
   On Fri, 18 Dec 2009 10:50:36 -0500, "Michael A. Terrell"   
    wrote:   
      
   >   
   >glen herrmannsfeldt wrote:   
   >>   
   >> In comp.dsp Michael A. Terrell  wrote:   
   >> (snip)   
   >>   
   >> >   Videocipher-I was digital video & audio.  Videocipher-II was analog.   
   >>   
   >> And then there was the system that adds a sine wave to the   
   >> video signal such that the sync is not the lowest level anymore,   
   >> and wonders around enough that you won't try watch it.   
   >   
   >   
   >   
   >  That was 'On TV' or the 'Hamlin' scrambling system on Cable TV. That   
   >was '70s technology.   
      
      
    It was called "In band gated sync scrambling".   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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