[Milsurplus] Re: BC 604 FM modulation Milsurplus digest, Vol 1 #578 - 4 msgs

Tue, 10 Jun 2003 01:25:44 EDT

In a message dated 6/7/2003 1:02:13 AM Pacific Daylight Time, 
[email protected] writes:

> This 604 was built by Galvin as a sub to WECo &had a saturable reactor
> FM modulator to bypass Armstrong phase modulator patent
> 

Mfrs of items for the US Govt are normally immune from suit for patent 
infringement.  The govt can be sued for patent infringment in the US Claims Court, 
but it takes a LONG time and the compensation for successful litigants is 
usually much lower than in commercial cases. Huges Aircraft litigated for two 
decades with the US  over a satellite spin stabilization patent.  They won, 
eventually. The manufacturers of the infringing govt. satellites were immune from 
suit. They couldn't care less about other people's patents.  So why didn't Galvin 
just use the Armstrong phase modulator? Tektronix had a similar case against 
the govt. over exact copies of their scopes that were made for Uncle Sam by 
other contractors with no license from Tektronix. Tektronix won too, but it took 
forever. I wonder if EAC had any licenses from Collins when they made their R 
390As?

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