US 11,657,990 B2
Input module and electronic device
Hung-Chi Chen, New Taipei (TW)
Assigned to Acer Incorporated, New Taipei (TW)
Filed by Acer Incorporated, New Taipei (TW)
Filed on May 20, 2021, as Appl. No. 17/325,229.
Claims priority of application No. 109135258 (TW), filed on Oct. 13, 2020.
Prior Publication US 2022/0115194 A1, Apr. 14, 2022
Int. Cl. H01H 3/12 (2006.01); H01H 13/7073 (2006.01); G01R 33/00 (2006.01)
CPC H01H 13/7073 (2013.01) [G01R 33/0005 (2013.01); G01R 33/0047 (2013.01); H01H 3/125 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An input module, comprising:
a base including a magnetic sensor, a circuit board, a positioning board and a scissors mechanism, wherein the positioning board disposed on the circuit board, the scissors mechanism disposed between the positioning board and the circuit board, and the positioning board being configured for lifting relative to the circuit board by the scissors mechanism;
a keycap assembly assembled on the base, and the keycap assembly including a magnetic element, a shaft member, the circuit board, an opening of the positioning board and the scissors mechanism form a mounting slot, and the keycap assembly is assembled to the base to make the shaft member accommodated in the mounting slot; and
an identification unit electrically coupled to the magnetic sensor, and the identification unit determining the type of the keycap assembly according to characteristics of magnetic field lines of the magnetic element sensed by the magnetic sensor.