Enough with the single frequency vlf machines. - Page 3
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Thread: Enough with the single frequency vlf machines.

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  1. #31
    Charter Member
    us
    Nov 2012
    Maryland
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    Quote Originally Posted by treasuresalvor View Post
    I have multi frequency machines and no, I don't refuse to use them but there are many times I choose not to because single frequency is the better choice for one reason or another. If they ever come out with a multi frequency machine that is better at everything than any VLF, you bet I'll only use it but as of right now that hasn't happened. Just because you don't personally have a use for a BFO makes it obsolete to you but not to me, If I want to scan walls that's my first choice. Every park hunter on Earth got their panties in a twist when Minelab introduced the Equinox and they sell a ton of them, It was the same with the Etrac and CTX. They build what the market wants and the market is park/beach hunters. I'm neither.
    Equinox will do very well. No doubt about that. I do not do parks or in the water, so I have no use for one at this time. The city parks around here are good places to get killed and I'm not going there. I don't need to. I have a lot of private permissions. I'm nailing it right now with my other machines. One is a turn and go! The operator, as usual will be key to finding or not finding, and there has to be something in the ground to begin with. That's why we chase the stuff so much. If it's not there you won't find it.

    When I found my Confederate plate in the early winter, a BFO machine would have found it! It was a softball target, no one had ever dug there before.
    treasuresalvor likes this.

  2. #32
    Charter Member

    Nov 2005
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    Quote Originally Posted by ivan salis View Post
    the garrett ground hog my father used in 1979 has 3 and 15 freq ... it was one at a time but still had 2 freq to choose from
    Fishers old legendary CZ line had dual frequencies, and was splashproof too. Way ahead of their time.

  3. #33
    Charter Member
    us
    Jul 2006
    Florida
    Minelab_Equinox_ 800 Minelab_CTX-3030 Minelab_Excal_1000 Minelab_Sovereign_GT Minelab_Safari Minelab_ETrac Whites_Beach_Hunter_ID Fisher_1235_X
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    The Equinox gives us Multi-IQ which is superior to both BBS and FBS and also the option of single freq, best of both worlds. I am betting we are going to see more ML detectors in the future with Multi-IQ, would not be surprised to see a CTX 3030 II using Multi-IQ in future.
    PLEASE READ OUR RULES. CLICK HERE TO READ ------> TreasureNet.com Rules

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  4. #34
    us
    Apr 2015
    Grand Haven, MI
    Whites Coinmaster, Whites MXT
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    Metal Detecting
    I'm glad I'm not the only one need that likes listening to the ground a bit and enjoys the knobs and switches being physical entities.

    I suppose one of these days, those things will all go away, but for now, I love the MXT and it's ability to show me on a half second exactly where all the settings are set.
    wingmaster likes this.

  5. #35
    us
    Apr 2011
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    There is a lot to be said for simplicity. I have other hobbies, so go in long streaks without detecting. You can turn on an MXT and get going after a long absence, without having to poor over a manual again and go through menus, sub-menus, advanced settings, etc. And, like you say, one glance at the detector box and you know how it is setup.

    Besides all of that, the MXT is nearly as good as any other machine available, outside of waterproof or pulse.
    wingmaster likes this.

  6. #36
    us
    Aug 2009
    White's MXT all pro, MXT300 D2, 950, 4X6 DD, detech ultimate 13" DD coils
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    Quote Originally Posted by glabelle View Post
    There is a lot to be said for simplicity. I have other hobbies, so go in long streaks without detecting. You can turn on an MXT and get going after a long absence, without having to poor over a manual again and go through menus, sub-menus, advanced settings, etc. And, like you say, one glance at the detector box and you know how it is setup.

    Besides all of that, the MXT is nearly as good as any other machine available, outside of waterproof or pulse.
    The MXT will get as deep as any detector out now with the right coil and possibly the best ground tracking out there, very fast recovery rate to pick through the trash and all for less money than the high end detectors so what's not to love about the MXT. You will be better suited using a multi frequency detector for salt beaches but beyond that just give me my MXT. HH
    Last edited by wingmaster; Apr 16, 2018 at 10:37 AM.

  7. #37
    us
    Jun 2006
    TreasureTerrain.com
    NOX 800
    711
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    I use to think maybe minelab had a patent stopping others from using it.
    But didn't Fisher have duel freq out first in their CZ line? I cant remember if minelab had something before the CZ's.
    Other companies could build on Duel freq machines I would think if they wanted to.

    But if there is a answer to the NOX I hope it is a new DEUS no idea why but I hope that company does it.
    Last edited by GreenMeanie; Apr 16, 2018 at 12:08 PM.

  8. #38
    Charter Member
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    Nov 2012
    Maryland
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    It all comes down to personal preference. Some people don't switch machines for years, others buy at the drop of a hat, most folks are in between. It's hobby to be enjoyed.

  9. #39
    Charter Member
    us
    Aug 2019
    Maryland
    MineLab
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    Minelab does have a patent from 2009 on multi-frequency 8,159,225 - HOWEVER - it is NOT a right to ALL multi-frequency operations. They patented the idea of mixing a set of 2 frequencies of rectangular nature. Anyone familiar with electronics can tell you that there is more than one way to skin a cat in that game. I have a Minelab and a spectrum analyzer which I will test when I have a chance to show what they are doing. Now the math behind their concept is good / solid math but the same math can be applied to many types of signals and achieve the same result, they are using Fourier transforms and mixing techniques that are well documented in electronics that cover a wide variety of disciplines.

    Easily copied without violating the patent just by altering the signal type and adjusting the processing accordingly. Even the underlying "concept" can be easily reproduced by other methods of waveform processing. In fact of the 34 patents for minelab there is a "key" that would render most of the 34 a painting into a corner for them

    Scary thing is a search on the key yielded 666,000,000 <- EXACT - entries!

    Point is - I wouldn't worry about going ahead with your idea because the chances that your multi-frequency idea would violate what they patented is minuscule and if you design "around" the key could NEVER survive a challenge in court. And at this point the key is so common I doubt it would survive anyway.
    alan m likes this.

  10. #40
    Charter Member
    us
    Jul 2006
    Florida
    Minelab_Equinox_ 800 Minelab_CTX-3030 Minelab_Excal_1000 Minelab_Sovereign_GT Minelab_Safari Minelab_ETrac Whites_Beach_Hunter_ID Fisher_1235_X
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    And Minelab has the high dollar lawyers and capital to take it to court and win, as they have done in the past.
    PLEASE READ OUR RULES. CLICK HERE TO READ ------> TreasureNet.com Rules

    2nd Amendment
    "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed"

    Si vis pacem, para bellum "If you want peace, prepare for war!

    USAF 1967-1971

    I do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic..."

    No Expiration Date!

  11. #41
    Charter Member
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    Aug 2019
    Maryland
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    They may have the lawyers and money to sue and they absolutely SHOULD if in fact a valid patent they own is infringed. But you need facts to win, and more importantly if you are intent on designing, building and marketing an item it is prudent to research (very easy) any patents that pertain to your idea. In this case (multi-frequency), I've read the related patents ( Patent Database Search Results: minelab in US Patent Collection ) and it's very easy to design a multi-frequency machine while clearly avoiding any violation.

    I am not a lawyer so these are just observations and opinion but innovation should not fear a patent, just respect it and don't copy it!
    Hillbilly Prince likes this.

  12. #42
    be
    Oct 2016
    Belgium
    Minelab Equinox 800 Minelab Excallibur, Xp Deus, Tesoro Lobo Super Traq, Tesoro Bandido Umax, Makro Pulse Dive, Quest Scuba Dector, Makro Simplex
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    Choose your weapon for the right battle. I'm a parc/recreation hunter. My weapons of choice are the Deus/Equinox/ Tesoro Lobo Super Traq
    If there are a lot of bottle caps, i choose the Deus.
    If it's a clean area or there are volleybal fields, places with wite sand, i choose the Equinox
    If it's infested with pull tabs and bottle caps or there is a chance on gold, i choose the Lobo Super Traq.
    This works for me.

  13. #43
    Charter Member
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    Greenmeanie, for what it's worth, the Deus 5.20 upgrade has solved the salt water problem. I got the little underwater kit and had that thing out a few feet and it nailed some fairly deep targets. I don't know what they did, but it now works well on wet salt sand.

  14. #44
    Charter Member
    us
    Jul 2006
    Florida
    Minelab_Equinox_ 800 Minelab_CTX-3030 Minelab_Excal_1000 Minelab_Sovereign_GT Minelab_Safari Minelab_ETrac Whites_Beach_Hunter_ID Fisher_1235_X
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    Quote Originally Posted by docweiser View Post
    They may have the lawyers and money to sue and they absolutely SHOULD if in fact a valid patent they own is infringed. But you need facts to win, and more importantly if you are intent on designing, building and marketing an item it is prudent to research (very easy) any patents that pertain to your idea. In this case (multi-frequency), I've read the related patents ( Patent Database Search Results: minelab in US Patent Collection ) and it's very easy to design a multi-frequency machine while clearly avoiding any violation.

    I am not a lawyer so these are just observations and opinion but innovation should not fear a patent, just respect it and don't copy it!
    So far their lawyers have won.
    PLEASE READ OUR RULES. CLICK HERE TO READ ------> TreasureNet.com Rules

    2nd Amendment
    "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed"

    Si vis pacem, para bellum "If you want peace, prepare for war!

    USAF 1967-1971

    I do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic..."

    No Expiration Date!

  15. #45
    Charter Member
    us
    Nov 2012
    Maryland
    XP Deus, Tesoro Cibola, Full sized shovel and a backhoe
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    I have been head to head with multi frequency machines, WAY MORE THAN ONCE and from what I've SEEN IN PERSON, IF they are any "better" than a standard VLF machine, I am not seeing it. Equal, yes, better, not necessarily. I think the user is the key factor with any machine. And sometimes just getting the loop over the target. I'm also thinking, from careful watching of folks swing their machines, taller folks miss more than shorter ones, like me, reason being they go in an open "Z" formation, while those who can't take a step as far away go in a more "closed zipper" formation. It can be overcome, however most of us don't have the patience! At least me!
    Last edited by smokeythecat; Sep 14, 2019 at 04:04 PM.
    alan m, Iffy Signals and docweiser like this.

 

 
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