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In Reply to: RE: "ROBUSTO" 500W Sure Class D posted by pictureguy on February 14, 2015 at 13:04:34
I read that years ago.
It defines the problems, but does not offer solutions.
I have a method that self-adjusts dead time, even with variable loading and drive, and over temperature too.
Follow Ups:
You need to get a PATENT than see if anyone is interested in paying you to use it.
It might be too late right now or has been thought of and is impractical for one reason or another. Also, if another way to do the SAME thing is found, your patent might get 'worked around'
Than, after the idea gets STOLEN you have to scrape up the funds necessary to take 'em to court.
Some intellectual property types (patents and software) I know tell me a patent is worth something after defense in court.
And yes, the IR aritlcle is NOT meant for heavy engineers of 'd' amps. But rather for informed consumers and technical types wanting a peek under the hood. One of the articles authors, Jun Honda, was my connect guy.
Too much is never enough
I don't want a patent, I have had problems related to patents in the past.
I was looking for someone that had the skill to develop it, and then see where it goes. I don't have the time, or energy, to do it anymore. I don't even care about credit, ideas used to be worth a dime-a-dozen, now they are worth about a dime-a-gross.
I would expect people to rip off the concept when they see what it is, and how simple it will be to build. It might be possible to pot the core drive circuit to conceal it from the lazy, but anyone that really wants to know would de-pot it and figure it out in short order (we have a lab at work that does just that).
Yes, I worked with FA people for several decades and some of the techniques got better over time.
Competition was looked at from cosmetics (how much CAN you really do with a TO5?) to electical performance. Delayering semiconductors was difficult for some layers but could be done.
People don't, and corporations almost for sure don't, fully think things thru. The assumption will be that any idea you try to give them will be worth what you are charging them for it.
You MIGHT have better luck at a college or university where electrical or electronic engineering is taught?
At this point I'll put out a feeler back to my old stomping grounds and see if Jun Honda is still there. HE'S the guy you want to talk to. Write him yourself and see if you get a reasonable answer, open a correspondence with him and see where that leads. Hell, CALL him. He is in the corporate directory if still there.
Too much is never enough
"You MIGHT have better luck at a college or university where electrical or electronic engineering is taught? "Thanks for the ideas, I'll give them a try. I know a recently retired EE prof, he might give me some names to persue.
I have an employment contract that assigns all rights to my employer, even in a field far removed from their core business (not audio related). I asked for a release, and they said no. OTOH, a co-worker that I previously worked with when I was in the audio business asked for a release, and they gave it to him (even though it used technology from our present employer). He was granted the patent, and then the problems started (he could not defend the patant without going broke).
'The Case Against Patents' by Don Lancaster is a good read, my current employer receives a negative mention in there.
Edits: 02/15/15 02/15/15
That's what I've been told. 'A patent is only as good as the court defense'. And that those with really deep pockets trump patent holders.
Too much is never enough
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