US 12,141,373 B2
Stylus pen with antenna
Wenjun Chen, Wuhan (CN); Ning Ma, Shenzhen (CN); Yanbo Li, Wuhan (CN); and Kemeng Wang, Dongguan (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Appl. No. 17/790,627
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
PCT Filed Dec. 28, 2020, PCT No. PCT/CN2020/139848
§ 371(c)(1), (2) Date Jul. 1, 2022,
PCT Pub. No. WO2021/136128, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. 202010001940.8 (CN), filed on Jan. 2, 2020.
Prior Publication US 2023/0045649 A1, Feb. 9, 2023
Int. Cl. G06F 3/0354 (2013.01); H01Q 1/22 (2006.01); H01Q 1/44 (2006.01); H01Q 7/00 (2006.01)
CPC G06F 3/03545 (2013.01) [H01Q 1/22 (2013.01); H01Q 1/2258 (2013.01); H01Q 1/44 (2013.01); H01Q 7/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A stylus pen, comprising:
a pen barrel that extends along a longitudinal axis, wherein the pen barrel comprises:
a main body comprising a metallic tube extending along the longitudinal axis wherein a part of the metallic tube has an opening, and wherein the opening is filled with plastic or a glass fiber;
a pen nib part disposed at a first end of the main body; and
a pen end part that is disposed at a second end of the main body and that corresponds to the pen nib part; and
an antenna disposed on the main body and comprising:
a first portion perpendicular to the main body; and
a second portion extending along a longitudinal direction of the main body with the opening corresponding to and extending along a length of the second portion,
wherein at least one part of the antenna is located outside the pen barrel and is in proximity to the pen nib part or the pen end part, and
wherein the antenna comprises a loop antenna in proximity to the pen end part.