RE: Re: IR receivers - plasma filters?

["Keith Doxey" <ukha@xxxxxxxxxxx>]

Unexposed Photographic film negatives are also supposed to be quite
good as
IR filters.

http://photocritic.org/create-your-own-ir-filter/

Keith

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx]
> On Behalf Of Paul Gale
> Sent: 13 January 2009 19:47
> To: 'ukha_d@xxxxxxx'
> Subject: RE: [ukha_d] Re: IR receivers - plasma filters?
>
> Great - I'll try that :)
>
> Thanks!
>
> Paul.
>
> > -----Original Message-----
> > From: ukha_d@xxxxxxx
> [mailto:ukha_d@xxxxxxx] On Behalf
> > Of rb_ziggy
> > Sent: 13 January 2009 19:14
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] Re: IR receivers - plasma filters?
> >
> > This may sound a bit bizarre but I picked this up and it
> worked for me.
> >
> > Cover the IR receiver with a bit of tape (I used the brown
packing
> > tape used for packing parcels) - this in itself did not
> stop IR or the
> > interference.  Then colour over the tape with a black
> permanent marker
> > pen.
> >
> > I found that this did enough to cut out the interference
> (shown by the
> > flickering receive LED) without attenuating the signal from
> my Pronto
> > control in any material way that affects usability.
> >
> > Definitely worth a try as its dirt cheap so nothing to loose!
> >
> > I wouldn't be surprised if the "optical filtering" is
something
> > similar!
> >
> > Richard
> >
> > --- In ukha_d@xxxxxxx, Paul Gale <groups2@...> wrote:
> > >
> > > I've finally got round to re-implementing my house-wide
> IR receiver
> > network (using my Russound CAV6.6 amps with built in IR network).
> > Trouble is, the plasma and one of the bedroom LCD TV's create
havoc
> > with the IR, pumping out so much interference that the IR
> network is
> > unusable :(
> > >
> > > I know manufacturers like Russound and Xantech etc produce
plasma
> > friendly IR receivers but they sell for quite a premium.
> > >
> > > Looking at the Russound products, they state that they
> use "optical
> > filtering" to reject the interference.
> > >
> > > Anyone know how this can be achieved via the DIY route?
> Is it just a
> > filter window or a particular type of IR receiver LED or both?
> > >
> > > Ideally, I'd like to incorporate this into my existing
> Russound wall
> > keypads, replacing the standard receiver - that way I don't have
a
> > bulky second box next to it or elsewhere in the room.
> > >
> > > Thanks,
> > >
> > > Paul.
> > >
> > >
> > >
> > >
> > >
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> >
> >
> >
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