Modifications apportées à l'étape #23
Modifié par Jeff Suovanen —
Modification approuvée par Jeff Suovanen
- Avant
- Après
- Inchangé
Lignes de l'étape
| [* black] Scraping the bottom of the ~~barrel~~ watch case, we find the pulse-pounding sensor action. And lenses. | |
| [* black] Apple's heart rate monitor is actually a [http://en.wikipedia.org/wiki/Plethysmograph|plethysmograph|new_window=true]—it [https://support.apple.com/en-us/HT204666|looks and acts like a pulse oximeter|new_window=true], but Apple isn’t claiming it can measure your blood oxygen level. Why? ''Beats us''. | |
| [* icon_note] Our best guesses involve [http://appletoolbox.com/2014/06/apple-fda-discussed-fda-regulations-regarding-possible-new-mobile-products-sensors-glucometer/|FDA|new_window=true] [http://www.fda.gov/RegulatoryInformation/Guidances/ucm341718.htm|regulations|new_window=true]. | |
| [* black] Nestled in the case we also find a magnet, to help seat the watch on its inductive charger. ''Electrifying.'' | |
| [* black] We find a [guide|28891|familiar looking|stepid=68739|new_window=true] coil of wire resting in the composite cover. We're guessing this is the inductive charging coil. | |
| + | [* black] ***Update***: [http://www.chipworks.com/en/technical-competitive-analysis/resources/blog/inside-the-apple-watch-technical-teardown/|Chipworks|new_window=true] has identified the Texas Instruments OPA2376 Precision, low noise, low quiescent current Opp Amp as part of the sensor package. |