Reakcia na: Valec #98935:
Cip a citacia plocha su len castou (a to nie podstatnou) celeho DEK systemu. Mohli by sa nahradit lubovolnym inym identifikacnym zariadenim (IDkarta kontaktna alebo nekontaktna, snimac sietnice a palca a pod). Podstatu systemu a jeho logiku (teda to, co ho robi, tym cim je) su vlastnym vyvojovym produktom spol. RYS, ktora pri ich vyvoji spolupracovala s R14.Dalas cipy boli vybrane kvoli ich nizkej cene.
Valec
"Dallas Semiconductor was founded in 1984 as a designer and manufacturer of semiconductors and chip-based subsystems. The company quickly established its innovation and technical leadership:
....
* iButton®
...."
http://www.maxim-ic.com/company/dallas/
What Is an iButton?
http://www.maxim-ic.com/products/ibutton/ibuttons/