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  1. #1
    Senior Member bluegaspode's Avatar
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    Did Logitech / Slimdevices ever patent any of their ideas (i.e synchronization)?

    @mherger, do you know, whether Logitech/Slimdevices ever patented anything from their ideas?

    I'm wondering, as I'm just reading about the currently filed lawsuite from Sonos against Google: https://www.businessinsider.de/inter...0-1/?r=US&IR=T

    For instance Sonos' syncing algorithm is described in the following patent:
    https://patents.google.com/patent/US9195258B2/en

    Interestingly its different from Logitechs one (i.e. they are 'tagging' the music frames with timing information, where LMS just provides the original stream and gives active 'commands' to boxes about playing faster to get into sync again).

    Wondering why the guys over at Google copied Sonos' algorithm and not just went on with Slimdevices' open sourced (yet obfuscated with perl ) algorithm.
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  2. #2
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    Google also has its own patents in that area - e.g.
    https://patents.google.com/patent/US7805210B2/en


    Time for lawyers to get richer.
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  3. #3
    Babelfish's Best Boy mherger's Avatar
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    Did Logitech / Slimdevices ever patent any of theirideas (i.e synchronization)?

    > @mherger, do you know, whether Logitech/Slimdevices ever patented
    > anything from their ideas?


    If I knew I wouldn't tell. Sometimes it's better not to know about such
    stuff...

    --

    Michael

  4. #4
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    According to a search with the applicant name / patentee name "Slim Devices" in the DEPATIS system if the German Patent and Trademark Office there appear to be no published patents or published patent applications of Slim Devices Inc. at all. They might have filed in another name though.
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  5. #5
    Senior Member Mycenius's Avatar
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    Quote Originally Posted by Otto-Wilhelm View Post
    According to a search with the applicant name / patentee name "Slim Devices" in the DEPATIS system if the German Patent and Trademark Office there appear to be no published patents or published patent applications of Slim Devices Inc. at all. They might have filed in another name though.
    Wouldn't Logitech or Squeezebox, etc, be the original naming it's likely to be under (rather than slim devices - isn't that a more recent name)? What was the actual legal entity that owned Logitech/Squeezebox back in the day (15-20 years ago) that the patents would have been filed under...?

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  6. #6
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    Quote Originally Posted by Mycenius View Post
    Wouldn't Logitech or Squeezebox, etc, be the original naming it's likely to be under (rather than slim devices - isn't that a more recent name)? What was the actual legal entity that owned Logitech/Squeezebox back in the day (15-20 years ago) that the patents would have been filed under...?

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    No.
    https://en.m.wikipedia.org/wiki/Sque..._music_player)

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  7. #7
    Senior Member Mycenius's Avatar
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    Quote Originally Posted by slartibartfast View Post
    A-ha!

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  8. #8
    Senior Member pippin's Avatar
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    Quote Originally Posted by bluegaspode View Post
    Wondering why the guys over at Google copied Sonos' algorithm and not just went on with Slimdevices' open sourced (yet obfuscated with perl ) algorithm.
    Probably because they didn't want the join-delay.
    Also, this particular Sonos patent is really easy to circumvent, I would be really surprised if Google hasn't done their own version and that's not just a blind shot by Sonos to claim a violation.
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