[HP-71B], FRAM71: putting an end to feature creep

[Hans Brueggemann]

(05-07-2014 08:27 AM)J-F Garnier Wrote:  Extracted from the HHC'89 conference, here is a description of an IR module proto for the HP-71B made in the HP labs by Bruce Stevens, with the electrical schematic and the PIRLEX source listing:
HP-71B IR interface

yes, that's what i found. on to some OCR'ing...

hans