New PI Discriminating patent

[Tinkerer]

Here is an interesting new PI Discriminating Patent

Tinkerer

[Geo]

Here is an interesting new PI Discriminating Patent

Tinkerer

Lets wait to see
He use the memory effect that is based on the hysteresis of the magnetic material. The problem is that some very old ceramics have memory effect as the magnetic materials.
So lets wait to see it at work. He use positive and negative pulses (nice trick) to netralizate the memory effect, but i can't know what will be hapen at large objects.

[Steve in MS]

I see where he quotes one of Paynes patents and it appears where he is altering his invention some from Paynes. He also states that it would mainly be used as an industrial application.

[Tinkerer]

Discriminating FE

Lets wait to see
He use the memory effect that is based on the hysteresis of the magnetic material. The problem is that some very old ceramics have memory effect as the magnetic materials.
So lets wait to see it at work. He use positive and negative pulses (nice trick) to netralizate the memory effect, but i can't know what will be hapen at large objects.

If you discriminate FE, dont you also discriminate all other magnetic materials including bricks?

Tinkerer

[Esteban]

Is for to distinguish metal (solid) and reject "mimic metal", this is particles of metals in hot rocks, minerals, etc.

[JC1]

thanks

If you discriminate FE, dont you also discriminate all other magnetic materials including bricks?

Tinkerer

Ha ha

that is what I thought too.

thanks for the heads up on the patent.

[Geo]

The big problem at the discrimination on the PI detectors is when the object is very large. If you check carefuly the received signals it is "easy" to disc small objects as coins (see PD3200), but when the object is large then .
All we hope to see this method to work

[Tinkerer]

Discriminating FE

The big problem at the discrimination on the PI detectors is when the object is very large. If you check carefuly the received signals it is "easy" to disc small objects as coins (see PD3200), but when the object is large then .
All we hope to see this method to work

Geo,

Forget old technology PI.

There is new technology that breaks all the old rules.

This patent is just one of the new technologies, there are others more.

Tinkerer

[Geo]

I will be happy to see one new technology PI detector.
It's time
Regards

[Max]

Geo,

Forget old technology PI.

There is new technology that breaks all the old rules.

This patent is just one of the new technologies, there are others more.

Tinkerer

yes... sure... but where are discriminating PI MDs ? I cannot see any.

Kind regards,
Max

[Tinkerer]

Discriminating PI

I will be happy to see one new technology PI detector.
It's time
Regards

How many years do you think it will take for a patent to be turned into a commercial product?

And then how many years until you can get hold of that schematics?

Unless, of course, if you want to spend some time and energy in the developing stage. Are you willing to do that?

Tinkerer

[Tinkerer]

Discriminating PI

yes... sure... but where are discriminating PI MDs ? I cannot see any.

Kind regards,
Max

On the market? maybe not. But do you really expect that somebody who has this new technology to post it on the internet?

There are limitations to every kind of technology. But lets take one of your complaints about PI.
Bricks and clay shards.
They respond to a standard PI. would you be happy if you could discriminate them?

Tinkerer

[Max]

On the market? maybe not. But do you really expect that somebody who has this new technology to post it on the internet?

There are limitations to every kind of technology. But lets take one of your complaints about PI.
Bricks and clay shards.
They respond to a standard PI. would you be happy if you could discriminate them?

Tinkerer

Hi,
you can't discriminate that stuff. They are the pesty stuff for any PI... and I've made so many that I simply KNOW it's impossible disc them out.

So, as rational thought I simply gave up on PI, cause were for me just an enormous vaste of time... with few good results.

Now, about patents and similar stuff... I don't know... maybe some will lead to real MDs in next years... but till now I see nothing about REAL discriminating PI... nor I see any REAL bricks elimiator and the like.

As an example I talk about GS4 : incredible PI, really POWERFUL, deep machine! BUT... it can tune to mineralized soil... but NOT to disc out e.g. bricks!

Simple: it needs constant minerals level to do rejection and so any brick or ceramics make it sing cause it's like an hot-rock there !

And all are the same today... more sensitivity... more bricks you'll dig!

Now... what your idea to eliminate that bricks ??? I cannot see any PI that can do that.

Kind regards,
Max

[Tinkerer]

Discriminating PI

The big problem at the discrimination on the PI detectors is when the object is very large. If you check carefuly the received signals it is "easy" to disc small objects as coins (see PD3200), but when the object is large then .
All we hope to see this method to work

Could you define what you consider "large"
I tried a 2 liter steel can, is this large enough?

Fe targets have a magnetic reactive component and a resistive component.
Depending on the shape and size of the target, either component may be predominant.
You can easily confirm that with a steel bottle top.

Present the bottle top on edge and the magnetic component is predominant.
Present the bottle top flat to the coil and the resistive component is predominant.

Now take a FE washer or thin disk and repeat.

Now repeat with a washer or disk of copper or any non magnetic metal.

The non magnetic metal has no reactive component and gives a very weak response when presented on edge to the coil.

Tinkerer

[Tinkerer]

Discriminating PI

Hi,
you can't discriminate that stuff. They are the pesty stuff for any PI... and I've made so many that I simply KNOW it's impossible disc them out.

So, as rational thought I simply gave up on PI, cause were for me just an enormous vaste of time... with few good results.

Now, about patents and similar stuff... I don't know... maybe some will lead to real MDs in next years... but till now I see nothing about REAL discriminating PI... nor I see any REAL bricks elimiator and the like.

As an example I talk about GS4 : incredible PI, really POWERFUL, deep machine! BUT... it can tune to mineralized soil... but NOT to disc out e.g. bricks!

Simple: it needs constant minerals level to do rejection and so any brick or ceramics make it sing cause it's like an hot-rock there !

And all are the same today... more sensitivity... more bricks you'll dig!

Now... what your idea to eliminate that bricks ??? I cannot see any PI that can do that.

Kind regards,
Max

I appreciate your vast experience with PI detectors.
There are a few PI detectors on the market that claim to be discriminating. I have not had a chance to try any of them.
Did you try one of these detectors that claim to be discriminating?
Do you know what method they use to discriminate FE?
Are there different methods implemented on PI detectors on the market?
Any information would be much appreciated.

Ah, about the bricks, if the detector can differentiate magnetic materials, it can differentiate bricks, but it will still find them.
I test my detector on to a pile of red clay bricks and it works, however I don't know strongly magnetic these bricks are.

Tinkerer