William Sommerwerck wrote in message
...
I believe all remote controls use a "brand prefix" sequence that
identifies
them.



Not my experience.
These are for JVC kit on/off codes, I just DSO'd
TVs
1171124
111114112211
2113
1D81D1 (D is double width mark)
8421325221111

DVDs
111121172
12432112234212111
13D4D5D12

VCR
1325
1152125
11424

Cable
27(40uS space)111114
1DD41D1

CD
1131272
Audio
114211124
11422214
11411124