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RE: Re: Sensor


  • To: "'ukha_d@xxxxxxx'" <ukha_d@xxxxxxx>
  • Subject: RE: Re: Sensor
  • From: Williams Christopher C <CCWILLIAMS@xxxxxxx>
  • Date: Thu, 17 Aug 2000 20:57:09 +0100
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

The video sniffer probe used by HomeVision can be found here:

http://www.smartlinc.com/1111p.html

Cheers,

Chris Williams

> -----Original Message-----
> From:	Keith Doxey [SMTP:keith.doxey@xxxxxxx]
> Sent:	Thursday, August 17, 2000 8:06 PM
> To:	'ukha_d@xxxxxxx'
> Subject:	RE: [ukha_d] Re: Sensor
>
> BZZZZT  Wrong !
>
> Pin 8 is a switching pin that has +12V for a video Input or +5V for a
> 16:9
> video input.
> Pin 8 on a TV is an INPUT not an output.
> A VCR will output a voltage, usually 12V on Pin 8 when on PLAY only.
> A Digibox will autochange between +5 and +12 on Pin8 in response to
> Widescreen broadcast
>
> One possible option might be a video detector circuit connected to the
>
> VideoOut of one of the TV SCART's but even this may fail as my
> Mitsubishi
> can be setup to loop one scart input out to the other scart for
> dubbing
> even when the TV is off.
>
> Keith
>
> -----Original Message-----
> From:	Patrick Lidstone [SMTP:patrick@xxxxxxx]
> Sent:	17 August 2000 15:49
> To:	ukha_d@xxxxxxx
> Subject:	[ukha_d] Re: Sensor
>
> --- In ukha_d@xxxxxxx, Williams Christopher C <CCWILLIAMS@d...>
> wrote:
> > Paul,
> >
> > I believe that HV has a sensor to detect a video signal coming
from
> a TV
> > or VCR to determine if it is switched on.  Not sure if this could
be
> > made to work with Comfort?
>
>
> Ah, this inspired a thought - SCART includes a 5v signal on one of
> the pins which is only active when the TV is turned on. Wire it to a
> parallel port pin or CD on the serial port and your PC will know when
> the TV is on...
>
>
> Patrick
>
>
>
>
>
>
>
>
>
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