abstract:The word Telesoftware was coined by W J G Overington who first proposed the idea; it literally means “software at a distance” and it refers to the transmission of programs for a microprocessor or home computers via broadcast Teletext. Software bytes are presented to a terminal as pairs of standard teletext characters, thus utilizing an existing and well-proven broadcasting system.
This paper introduces a kind of tele-acquisitionsystem for temperature and humiditydatabased on the technologyof power line carrier, andpresents its hardwareinterfaceandsoftwaredesign.