US 11,681,379 B1
Mouse device
Chun-Nan Su, Taipei (TW); Chun-Che Wu, Taipei (TW); Chun-Lin Chu, Taipei (TW); Shu-An Huang, Taipei (TW); Ming-Hao Hsieh, Taipei (TW); Sheng-An Tsai, Taipei (TW); and Li-Kuei Cheng, Taipei (TW)
Assigned to PRIMAX ELECTRONICS LTD., Taipei (TW)
Filed by Primax Electronics Ltd., Taipei (TW)
Filed on Sep. 19, 2022, as Appl. No. 17/947,794.
Claims priority of application No. 111133473 (TW), filed on Sep. 4, 2022.
Int. Cl. G06F 3/0354 (2013.01); G01P 3/44 (2006.01); G06F 3/0362 (2013.01)
CPC G06F 3/03543 (2013.01) [G01P 3/44 (2013.01); G06F 3/0362 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A mouse device, comprising:
a wheel control mechanism comprising:
a support base comprising a first supporting part and a second supporting part, which are combined together;
a wheel module rotatably installed on the first supporting part, and comprising a wheel body and a metal ratchet, wherein the wheel body comprises a rotary shaft, the metal ratchet is connected with the rotary shaft, and the metal ratchet is synchronously rotated with the wheel body;
a magnetic force module installed on the second supporting part, and comprising a first magnetic conductor, a second magnetic conductor, a magnetic element and an electromagnet assembly, wherein each of the first magnetic conductor and the second magnetic conductor comprises a first end and a second end opposed to the first end, wherein the first end of the first magnetic conductor and the first end of the second magnetic conductor are aligned with a periphery region of the metal ratchet, the magnetic element is arranged between the first magnetic conductor and the second magnetic conductor and located near the first end of the first magnetic conductor and the first end of the second magnetic conductor, and the electromagnet assembly is arranged between the second end of the first magnetic conductor and the second end of the second magnetic conductor; and
a rotating speed detector that detects a rotating speed of the wheel body, wherein the metal ratchet and the rotating speed detector are respectively installed on opposite sides of the wheel body; and
a control unit electrically connected with the electromagnet assembly and the rotating speed detector,
wherein if a first direction current is provided to drive the electromagnet assembly under control of the control unit, like poles of the electromagnet assembly and the magnetic element face each other, and magnetic attractive forces generated at the first end of the first magnetic conductor and the first end of the second magnetic conductor attract the metal ratchet, so that a rotation of the wheel body results in a tactile feel,
wherein if a second direction current is provided to drive the electromagnet assembly under control of the control unit, unlike poles of the electromagnet assembly and the magnetic element face each other, and the magnetic attractive forces generated at the first end of the first magnetic conductor and the first end of the second magnetic conductor are attenuated, so that the rotation of the wheel body does not result in the tactile feel.