RE: Information Displays

["Kenneth Watt" <kennwatt@xxxxxxx>]

Forgive my ignorance if I'm away on a tangent here Keith but could the
information on occupancy not be garnered from HV, HS or your chosen
flavour of HA controller sending a xAP message depending on the
circumstances. Like if the "Gone To Bed" is set then dim/switch
off unit
XXX/YYY/FFF whatever?

Bloody good idea though, particularly for units mounted in a bedroom.

K.

> -----Original Message-----
> From: Keith Doxey [mailto:lists.diyha@xxxxxxx]
> Sent: 30 August 2002 22:49
> To: UKHA Discussion
> Subject: [ukha_d] Information Displays
> 
> Just an idea that came to me whilst having lunch today.
> 
> Because of a meeting I was late getting to the canteen with the
result
> that
> there was hardly anyone in there. From where I sat I had a clear
view
of
> the
> tills and when one of the cashiers finished and had left her till
I
could
> see the LCD screen shining brightly. After about a minute or so
the
> backlight was extinguished. Nothing special in that.... Laptops,
PDA,
Web
> tablets all do it. But it set me thinking....
> 
> The current VFD threads running on the various lists are working
on
> displaying information on the wall mounted VFD's. This is the
idea....
> 
> A PIR sensor located in the room (could be several of them) used
for
> occupancy detection, is also used to control the output of the VFD
> display,
> either blanking it completely or dimming down to a low level. When
> movement
> is detected the display is enabled at full brightness for a period
of
> <user_defined> minutes. Any further movement resets the timer so
if
the
> room
> is occupied then the display will be active but when there is
no-one
there
> to see it the display is dimmed/blanked to prolong life.
> 
> Could also work as a security feature similar to the VCR's where
you
could
> dim the display ot avoid it attracting attention.
> 
> Could also be used for VGA monitors in one of two ways....
> 1. Disconnect the RGB signals to blank the screen but keep the
monitor
> powered up for instant ON
> 2. Disconnect the H+V sync signals to put the monitors into power
save
> mode - would take a few seconds to warm up and would possible also
show
> "Power Save" messages for a few seconds after blanking.
> 
> Obviously the above ideas rely on a couple of things...
> 1. You have some form of occupancy detection or security system
> 2. The system to which the sensors are connected needs to pass
information
> to the system(s) controlling the displays for the feature to
operate.
> 
> As xAP is in its design stage, is it worth considering this kind
of
> functionallity.
> 
> If it has already been discussed then I apologise but I havent had
time to
> follow all the messages.
> 
> Keith
> 
> 
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