Apple Watch, check the event tattoos: “If works are dark evil” – The Messenger

A new singular case of malfunction of a device Apple about the Watch , the smart wristwatch designed by the Cupertino.

After the antenna-gate with the line problems for the iPhone 4 and the bend-gate with the iPhone 6 that could bend to Apple comes the tattoo-gate , that is, Watch the Apple malfunction when worn on a wrist tattooed . A report the problem are some users complain that the web, even with movies, defects in the recording pulse and connection. If the clock does not ‘feel’ contact with the skin, asks you to enter the pin every time you use it.

According to these buyers, applying for training It pauses repeatedly if smartwatch is worn over a tattoo. Problems are also reported in the receipt of notifications and the use of the same device, which calls for continuous insertion of the pin. For security reasons, in fact, if the clock loses contact with skin deduce that he was marched from the wrist, and then asks the PIN code entry to verify that you are still in the hands of its rightful owner.

In the absence of an official position of Apple, a clue what’s going on it can be found in the explanations of the clock work published by the company. “The heart rate sensor uses the photoplethysmography , which is based on a very simple fact: the blood is red because it reflects red light and absorbs green light,” he said. “The Apple Watch uses LED lights green to detect the amount of blood flowing in the wrist ‘, which is greater when the heart beats and creates a higher absorption of green light. In practice, as we assume on some sites of the area, the tattoo might interfere with this technology.