Re: Embedded OSD (Not STV5370A)

From: Clint Sharp (clint_at_clintsmc.demon.co.uk)
Date: 08/16/04 

Date: Mon, 16 Aug 2004 20:39:32 +0100

In message <20040815.2159.302184snz@pcserv.demon.co.uk>, Paul Carpenter
<paul$@pcserv.demon.co.uk> writes
>Sounds like a time/date generator for CCTV recording... Lots already
>exist, last one I bought was about 40 pounds in UK (www.cpc.co.uk have
>several available).
Close, but I need to be able to overlay serial data, it's for recording
checkout transactions with the camera output. Might be worth hacking one
of the CPC units though.
> Unless I needed it for part of a design I personally
>would not reinvent the wheel, unless it is a project to learn about.
Well, I'd prefer not to have to reinvent the wheel, but I really don't
want to have to pay almost 1000ukp per site (four sites, five checkouts
each )
>
>Most OSD modules/chips work in RGB domain as they are _mainly_ used in
>monitors that are in RGB domain. Philips have a bunch often with I2C
>interface.
>
>Work out what you actually need, i.e.
>
> 1/ does it have to be colour or monochrome?
Colour would be nice as I could then select for maximum contrast against
a range of different backgrounds.
> 2/ does it need black borders or grey borders around the text?
Would be nice to have a black outline for readability but other than
that I don't need it.
> 3/ does it need graphic symbols?
Hmmm, pound sign would be nice but not essential.
>
>If you are using monochrome and simple character sets,
Snipped lots of useful information, thanks for your reply. 

-- 
Clint Sharp

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