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Gene E. Bloch
 
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Default Video camera to portable TV

Your periscope idea has a major flaw. It will reverse the picture
vertically, although the left to right orientation will be OK.

You only need one mirror. Point the camera to the side and put a
single mirror in front of the lens at a 45 degree angle to show
what's behind you.

Gino

(Paul) wrote in
om:

Hi Pete,

Thanks for your reply!

Ahh, this is true. I actually hadn't intended this to be a
rear-view mirror, but for the future I'll keep this subtlety in
mind since it never occured to me.
Do you know how to modify a CRT to reverse the scan? That's an
interesting idea. One other possibility may be to use optics to
reverse the image before it gets to the camera (e.g. mount the
camera backwards, then have two prisms that form a miniature
periscope to the forward direction).

If this is getting way off-topic, someone please let me know.

Thank you,
Paul



"Pete Culf" wrote in message
...
It may or may not be possible to inject the video signal directly
into this TV but a more serious problem you haven't addressed at
all is that, if you intend this to be a fancy rear view mirror,
then the picture observed on screen will be completely reversed
to that which you would expect to see. in other words without
altering the scan orientation it wont work. (Overtaking vehicles
for instance will be on the wrong side). It would be a lot easier
to swap the scan with a CRT type display, but modifying a LCD
display in this way is potentially a much more difficult problem.
Sorry I can't be a bit more helpful but this may save you a lot
of time in the long run. Regards,
Pete




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Gene E. Bloch (Gino) phone 650.966.8481
Call me letters find me at domain blochg whose dot is com