The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2019
Filed:
Jul. 30, 2018
Wacom Co., Ltd., Saitama, JP;
Chien-Chia Lien, Miaoli County, TW;
WACOM CO., LTD., Saitama, JP;
Abstract
A micro touch pen structure includes a casing unit, a circuit unit, a first electromagnetic unit, a pen core unit, a second electromagnetic unit and an elastic unit. The circuit unit is disposed inside the pen-shaped casing structure. The first electromagnetic unit includes a first hollow electromagnetic body inside the pen-shaped casing structure and an electromagnetic coil wound around the first hollow electromagnetic body and electrically connected to the circuit unit. The pen core unit includes a first movable portion passing through the first hollow electromagnetic body, a second movable portion partially exposed from the pen-shaped casing structure, and a stop portion connected between the first and the second movable portions. The second electromagnetic unit includes a second hollowing electromagnetic body fixed inside the pen-shaped casing structure and disposed around the first movable portion. The elastic unit is disposed between the first movable portion and a fixed structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile