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Old 20th August 2005   #113
ToneLux
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Quote:
Originally Posted by Larrchild
Regarding the first use of the emitter choke I could find: 1966

http://www.analog.com/library/analog..._ChH_final.pdf

I guess that would have affected the Jensen Patent if this company patented it. Not sure. Probably didn't.
I have tried to patent things several times. If you state it correctly, the idiots at the patent office might just buy it. I could never convince them. The Jensen patent, after seeing the above op-amp, was probably worded in such a way that it went over the examiner's head. I'm going to look into it now and see if the above designer is listed in the "prior art" section. If it isn't, then the patent is pretty much worthless.
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