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US 2025/0147602 A1Published application
Stylus pen
AssigneeHiDeep Inc.
InventorMun Sub Byun
Life of this patent
Estimating the term…
Abstract
Disclosed is a stylus pen including: a ferrite core; and a coil including a plurality of metal wires twisted to have a number of twist turns per unit length of at least n, and wound on an outer surface of the ferrite core.
Claims20
A stylus pen comprising:
- a ferrite core;
- and
- a coil including a plurality of metal wires twisted to have a number of twist turns per unit length of at least n, and wound on an outer surface of the ferrite core.
A touch system comprising:
- a stylus pen including an inductor unit including a Litz wire cable including a plurality of metal wires twisted in a rotary form around a portion of a ferrite core, and a capacitor electrically connected to the inductor unit;
- and
- a touch screen including a touch electrode layer receiving a resonated electromagnetic signal from the stylus pen.
A stylus pen comprising:
- an inductor unit including a coil wound on a portion of a ferrite core in a plurality of steps, and including a plurality of metal wires twisted in a rotary form;
- and
- a capacitor unit electrically connected with the coil.
Dependencies are inferred from the claim text.