US 12,474,792 B1
Marker writing system
Gaute Wiig Nordby, Oslo (NO); Espen Lie, Oslo (NO); Vegard Bakke Svendsen, Oslo (NO); Xian Dong Guo, Pudong (CN); Peng Shuai, Shenzhen (CN); Jin Qian, Shenzhen (CN); Wen Bin Zhou, Shenzhen (CN); and Liang Xiong, Shenzhen (CN)
Assigned to reMarkable AS, Oslo (NO)
Filed by reMarkable AS, Oslo (NO)
Filed on Jul. 22, 2024, as Appl. No. 18/779,164.
Claims priority of application No. 202410914145.6 (CN), filed on Jul. 8, 2024.
Int. Cl. G06F 3/0354 (2013.01); G06F 3/038 (2013.01); H01Q 1/22 (2006.01)
CPC G06F 3/03545 (2013.01) [G06F 3/0383 (2013.01); H01Q 1/22 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A pen-stylus having a body, comprising:
a first antenna having a hemispherical shape and positioned in a removeable marker tip at a proximal end of the pen-stylus where the pen-stylus engages with a display of a tablet device, wherein the first antenna touches the display in operation;
a second antenna having a canonical shape and located in the body of the pen-stylus, wherein the first antenna and the second antenna communicate with the tablet device to enable a pen-stylus user to draw on the display of the tablet device; and
an insulating material between the first antenna in the removable marker tip and the second antenna in the body of the pen-stylus that prevents interference between the first antenna and the second antenna.