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Desmontaje del reloj inteligente Samsung Galaxy Watch

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Paso 15
Samsung Galaxy Watch Teardown: paso 0, imagen 1 de 3 Samsung Galaxy Watch Teardown: paso 0, imagen 2 de 3 Samsung Galaxy Watch Teardown: paso 0, imagen 3 de 3

  • To read the turning of the bezel, the Galaxy Watch uses a different approach than the optical encoder of the Apple Watch.

  • There are three hall sensors (Seiko Instruments) on the small PCB, at the same distance from each other as the grooves on the bezel.

  • And every third groove has a small magnet inside.

  • When the bezel is turned, two of the three sensors read a change in their magnetic field (either on/off or off/on). The third sensor does not read a change. With this method, it can be clearly determined in which direction the bezel is rotated.

Para leer el giro del bisel, el Galaxy Watch utiliza un enfoque diferente al del codificador óptico del Apple Watch.

En la pequeña placa de circuito impreso hay tres sensores Hall, a la misma distancia entre ellos que las ranuras del bisel.

Y cada tercera ranura tiene un pequeño imán en su interior.

Cuando se gira el bisel, dos de los tres sensores leen un cambio en su campo magnético (ya sea encendido/apagado o apagado/encendido). El tercer sensor no lee un cambio. Con este método, se puede determinar claramente en qué dirección se gira el bisel.

[* black] To read the turning of the bezel, the Galaxy Watch uses a different approach than the [guide|113044|optical encoder of the Apple Watch|stepid=216189|new_window=true].
- [* black] There are three [https://en.wikipedia.org/wiki/Hall_effect_sensor|hall sensors|new_window=true] on the small PCB, at the same distance from each other as the grooves on the bezel.
+ [* black] There are three [https://en.wikipedia.org/wiki/Hall_effect_sensor|hall sensors|new_window=true] (Seiko Instruments) on the small PCB, at the same distance from each other as the grooves on the bezel.
[* black] And every third groove has a small magnet inside.
[* black] When the bezel is turned, two of the three sensors read a change in their magnetic field (either on/off or off/on). The third sensor does not read a change. With this method, it can be clearly determined in which direction the bezel is rotated.

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