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. 11, 2021
Filed:
Jul. 03, 2019
Wacom Co., Ltd., Saitama, JP;
David Charles Fleck, Vancouver, WA (US);
Sadao Yamamoto, Tokyo, JP;
Wacom Co., Ltd., Saitama, JP;
Abstract
A stylus includes a cylindrical housing, a tip portion provided on a tip side of the housing and including a tip electrode, a tail portion provided on a tail side of the housing and including a tail electrode, a power circuit provided in the housing, a first transmission circuit which, in operation, receives power from the power circuit and generates a first downlink signal that is transmitted toward an outside of the housing through the tip electrode, a second transmission circuit which, in operation, receives power from the power circuit and generates a second downlink signal that is transmitted toward the outside of the housing through the tail electrode, the second downlink signal being different from the first downlink signal, and a control circuit which, in operation, controls the first transmission circuit and the second transmission circuit according to a plurality of transmission modes.