PSN-L Email List Message

Subject: Re: Time domain switches for earthquake detection
From: "James L. Gundersen" jgundie@.......
Date: Tue, 08 May 2012 07:41:26 -0700


Here's an interesting patent, 6,763,718, to look at using Google patent 
search.

Jim


On 5/7/2012 5:54 PM, Gary Lindgren wrote:
>
> There is not much information, I tried, but here is the chip he is 
> talking about. http://www.lumedynetechnologies.com/Accelerometer.html 
> It has 20 bit accuracy so it must have digital output. The picture 
> shows 24 pins. I think one of the applications could some sort of 
> inertial navigation system. It could be very simple. And we could use 
> it in seismometer sensor. I couldn't find any application information 
> online and I sent the company an e-mail requesting information but no 
> reply yet.
>
> Gary
>
> *From:*psnlist-request@.............. 
> [mailto:psnlist-request@............... *On Behalf Of *Pete Rowe
> *Sent:* Monday, May 07, 2012 5:34 PM
> *To:* psnlist@..............
> *Subject:* Re: Time domain switches for earthquake detection
>
> OK, thanks but how about just telling us about the chip so we don't 
> have to listen to the seminar? Who makes it and do they have a part 
> number?
> Sorry for being picky but I'm interested in knowing what you are 
> talking about.
> Thanks,
> Pete
>
>
> --- On *Mon, 5/7/12, Thomas Dick / >/* wrote:
>
>
> From: Thomas Dick  >
> Subject: Re: Time domain switches for earthquake detection
> To: psnlist@.............. 
> Date: Monday, May 7, 2012, 5:19 PM
>
> Listen carefully, during the Q&A, an uncontested comment is made that
> two midcontinent earthquakes were suspected of being induced.
>
> On 5/7/2012 5:50 PM, Gary Lindgren wrote:
> > Here is the link
> > http://earthquake.usgs.gov/regional/nca/seminars/2012-04-25/  BTW 
> The chip
> > is discussed in the 48 minute time frame.
> >
> > Gary
> >
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: psnlist-request@.............. 
>  
> [mailto:psnlist-request@.............. 
> ]
> > On Behalf Of Larry Cochrane
> > Sent: Monday, May 07, 2012 3:36 PM
> > To: psnlist@.............. 
> > Subject: Re: Time domain switches for earthquake detection
> >
> > Yes, a link would be helpful for this thread....
> >
> > Regards,
> > -Larry
> >
> > On 5/7/2012 3:17 PM, Pete Rowe wrote:
> >> For some reason, I don't see any link to the switch you reference Pete
> >>
> >> --- On *Mon, 5/7/12, Thomas Dick / >/* wrote:
> >>
> >>
> >>      From: Thomas Dick >
> >>      Subject: Time domain switches for earthquake detection
> >>      To: psnlist@.............. 
> >>      Date: Monday, May 7, 2012, 12:45 PM
> >>
> >>      In Ernie Majer's 4/25 talk at the USGS he mentioned using this 
> switch
> > in
> >>      earthquake detection. Anyone experimenting with this 
> technology yet? I
> > seems to
> >>      have several pluses; very small, cheap and better at lower
> > frequencies.
> >>      __________________________________________________________
> >>
> >>      Public Seismic Network Mailing List (PSNLIST)
> >>
> >>      To leave this list email PSNLIST-REQUEST@.............. 
> 
> >>  >  with the body of the
> > message
> >>      (first line only): unsubscribe
> >>      See http://www.seismicnet.com/maillist.html for more information.
> >>
> > __________________________________________________________
> >
> > Public Seismic Network Mailing List (PSNLIST)
> >
> > To leave this list email PSNLIST-REQUEST@.............. 
>  with the body of the
> > message (first line only): unsubscribe See
> > http://www.seismicnet.com/maillist.html for more information.
> >
> > __________________________________________________________
> >
> > Public Seismic Network Mailing List (PSNLIST)
> >
> > To leave this list email PSNLIST-REQUEST@.............. 
>  with
> > the body of the message (first line only): unsubscribe
> > See http://www.seismicnet.com/maillist.html for more information.
> >
>
> __________________________________________________________
>
> Public Seismic Network Mailing List (PSNLIST)
>
> To leave this list email PSNLIST-REQUEST@.............. 
>  with
> the body of the message (first line only): unsubscribe
> See http://www.seismicnet.com/maillist.html for more information.
>


  
    
  
  
    Here's an interesting patent, 6,763,718, to look at using Google
    patent search.

Jim


On 5/7/2012 5:54 PM, Gary Lindgren wrote:

There is not much information, I tried, but here is the chip he is talking about. http://www.lumedynetechnologies.com/Accelerometer.html It has 20 bit accuracy so it must have digital output. The picture shows 24 pins. I think one of the applications could some sort of inertial navigation system. It could be very simple. And we could use it in seismometer sensor. I couldn't find any application information online and I sent the company an e-mail requesting information but no reply yet.

Gary

 

 

 

 

 

 

 

From: psnlist-request@.............. [mailto:psnlist-request@..............] On Behalf Of Pete Rowe
Sent: Monday, May 07, 2012 5:34 PM
To: psnlist@..............
Subject: Re: Time domain switches for earthquake detection

 

OK, thanks but how about just telling us about the chip so we don't have to listen to the seminar? Who makes it and do they have a part number?
Sorry for being picky but I'm interested in knowing what you are talking about.
Thanks,
Pete


--- On Mon, 5/7/12, Thomas Dick <dickthomas01@.............> wrote:


From: Thomas Dick <dickthomas01@.............>
Subject: Re: Time domain switches for earthquake detection
To: psnlist@..............
Date: Monday, May 7, 2012, 5:19 PM

Listen carefully, during the Q&A, an uncontested comment is made that
two midcontinent earthquakes were suspected of being induced.

On 5/7/2012 5:50 PM, Gary Lindgren wrote:
> Here is the link
> http://earthquake.usgs.gov/regional/nca/seminars/2012-04-25/  BTW The chip
> is discussed in the 48 minute time frame.
>
> Gary
>
>
>
>
>
>
> -----Original Message-----
> From: psnlist-request@.............. [mailto:psnlist-request@..............]
> On Behalf Of Larry Cochrane
> Sent: Monday, May 07, 2012 3:36 PM
> To: psnlist@..............
> Subject: Re: Time domain switches for earthquake detection
>
> Yes, a link would be helpful for this thread....
>
> Regards,
> -Larry
>
> On 5/7/2012 3:17 PM, Pete Rowe wrote:
>> For some reason, I don't see any link to the switch you reference Pete
>>
>> --- On *Mon, 5/7/12, Thomas Dick /<dickthomas01@.............>/* wrote:
>>
>>
>>      From: Thomas Dick<dickthomas01@.............>
>>      Subject: Time domain switches for earthquake detection
>>      To: psnlist@..............
>>      Date: Monday, May 7, 2012, 12:45 PM
>>
>>      In Ernie Majer's 4/25 talk at the USGS he mentioned using this switch
> in
>>      earthquake detection. Anyone experimenting with this technology yet? I
> seems to
>>      have several pluses; very small, cheap and better at lower
> frequencies.
>>      __________________________________________________________
>>
>>      Public Seismic Network Mailing List (PSNLIST)
>>
>>      To leave this list email PSNLIST-REQUEST@..............
>>      </mc/compose?to=PSNLIST-REQUEST@..............>  with the body of the
> message
>>      (first line only): unsubscribe
>>      See http://www.seismicnet.com/maillist.html for more information.
>>
> __________________________________________________________
>
> Public Seismic Network Mailing List (PSNLIST)
>
> To leave this list email PSNLIST-REQUEST@.............. with the body of the
> message (first line only): unsubscribe See
> http://www.seismicnet.com/maillist.html for more information.
>
> __________________________________________________________
>
> Public Seismic Network Mailing List (PSNLIST)
>
> To leave this list email PSNLIST-REQUEST@.............. with
> the body of the message (first line only): unsubscribe
> See http://www.seismicnet.com/maillist.html for more information.
>

__________________________________________________________

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