US 12,443,321 B1
Touchpad module
Wei-Chiang Huang, Taipei (TW); Wei-Ping Chan, Taipei (TW); Hsueh-Chao Chang, Taipei (TW); Chieh-Hung Hsieh, Taipei (TW); and Chia-Ming Huang, Taipei (TW)
Assigned to Primax Electronics Ltd., Taipei (TW)
Filed by Primax Electronics Ltd., Taipei (TW)
Filed on Aug. 8, 2024, as Appl. No. 18/798,190.
Claims priority of application No. 113127182 (TW), filed on Jul. 19, 2024.
Int. Cl. G06F 3/044 (2006.01); G06F 1/18 (2006.01); G06F 3/0354 (2013.01)
CPC G06F 3/0447 (2019.05) [G06F 1/183 (2013.01); G06F 3/03547 (2013.01); G06F 3/044 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A touchpad module, comprising:
a support member, having a protruding portion, wherein the support member defines an elastic arm region;
a printed circuit board assembly (PCBA), located over the support member and comprising a capacitive sensing element corresponding to the protruding portion of the support member; and
an elastic member, disposed between the elastic arm region of the support member and the printed circuit board assembly, wherein when the touchpad module is not pressed, a spacing between the capacitive sensing element and the protruding portion is smaller than a thickness of the elastic member.