🚀 go-pugleaf

In <1992Sep2.103956.14680@lmpsbbs.comm.mot.com> michaelr@ecs.comm.mot.com (Michael Roetzer) writes:

>In article <1992Sep2.023848.10324@iitmax.iit.edu> technews@iitmax.iit.edu (Kevin Kadow) writes:
>>In article <31AUG199217470293@robin.rp.csiro.au> awhichel@robin.rp.csiro.au (Adrian Whichello) writes:
>>)In article <28AUG199216305565@judy.uh.edu>, cscc13@judy.uh.edu (NAVEED IQBAL) writes...
>>)>Did anyone try converting NTSC to PAL system? 
>>
>>	The good news is that there ARE multi-standard VCR's which can play
>>PAL tapes, all can feed a monitor, and some are able to trick your _TV_ into
>>displaying an adequate image. The trouble comes when you try to record to a
>>NTSC VHS VCR.

>Where can you buy or mail order multi-standard VCR`s ?  And how much are they?
>Last year I asked in several electronics and video shops in Tucson, AZ about those VCR`s but they
>never heard of it.

>     Michael

At least here in Germany I once saw one, by Panasonic if I remember correctly.
This one was able to accept either standard PAL-BG/I/H/M, SECAM-France,
SECAM-"East", NTSC-50Hz and NTSC-60Hz and some other minor systems, 
according to the ad sheet. I am not sure about the internal format, but it has
been said to be a converter, i.e. emit the different standards as well (I 
don't have detailed technical data, not even the type ID, so don't ask me).
I was quite expensive, about 5000 DM, which is about 3300 USD (oh, i forgot,
now about 3600 USD ;-)

I'd guess that such a beast is available anywhere in world, although it will
not be requested very much in countries where there are no different concurrent
standards.

Also note, that there is a chip set by Philips named Multi-Standard-Colour
Decoder, which may automatically synchronizes SECAM-*, PAL-* and NTSC-50Hz 
(4.43 and 3.58 MHz carriers) to RGB. From RGB it is a quite simple step to 
go back to PAL and NTSC, by using a PAL/NTSC-Encoder named TPE1178 (also 
Philips?). These chip sets unfortunately do not convert the line frequencies.
The 10Hz difference usually need a dual port video memory, in a similiar
way to synchronize two *free running* video signals (Building a *genlock* with
one synchronizable source is much simpler).
If someone is interested in the converter chip set, I'll look up the part 
numbers. Send me mail, I don't read this group very often.

Holger

P.S.: I am not involved in video/TV business; I just bought a video-mixer kit
for some purposes, which had these circuits in it.

-- 
|  |   / Dr. Holger Veit         | INTERNET: veit@du9ds3.uni-duisburg.de
|__|  /  University of Duisburg  | BITNET: veit%du9ds3.uni-duisburg.de@UNIDO
|  | /   Dept. of Electr. Eng.   | "No, my programs are not BUGGY, these are
|  |/    Inst. f. Dataprocessing |          just unexpected FEATURES"