The evolutionary trajectory that you can see the contents of successive AirPods by CT scan

Since the launch of the wireless earphone 'AirPods' in 2016, Apple has made various improvements. It is open to the public that we looked at the successive products of AirPods by CT scan and searched for improvements.

Scan of the Month --AirPods Evolution

◆ 1st generation AirPods
The first AirPods were launched on December 13, 2016.

The following is a CT scan of such 1st generation AirPods and viewed from the side. A group of

rigid flex printed circuit boards are packed behind the speakers located near the ears.

The one seen from the front is as follows. An infrared sensor behind the earpiece detects that the AirPods have left the user's ear.

Looking at the shaft extending to the bottom from below, it looks like this. A microphone measuring 2.1 mm x 1.2 mm is pointed toward the bottom of the shaft. Also, the microphone is slightly tilted towards the user's mouth.

◆ AirPods Pro
Launched on October 30, 2019, AirPods Pro has new features such as noise canceling. As of 2020, it has sold 110 million units.

Apple has completely reviewed the internal design to take advantage of the new features. The position of the battery has moved from the axis to the head, and all the electronic boards are also grouped on the head.

The size of the microphone is 3.4 mm x 2.4 mm. The downward mic has been abolished and two sideways mics have been placed.

An input sensor is placed on the axis to introduce functions such as pressing the button on the axis to stop the music.

◆ 3rd generation AirPods
The 3rd generation AirPods were launched on October 26, 2021.

The 3rd generation AirPods battery is located on the head and the electronics are located on the axis.

The microphone is pointing down. The size is 2.9 mm x 1.8 mm.

The back of the earpiece is packed with skin contact sensors. There is also a microphone for adaptive EQ that adjusts the sound quality.

in Hardware,   Design, Posted by log1p_kr