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:
Dec. 23, 2025
Filed:
Jun. 22, 2022
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Jeonghoon Kim, Suwon-si, KR;
Jongok Ha, Suwon-si, KR;
Youngwong Jang, Suwon-si, KR;
Shinichi Iizuka, Suwon-si, KR;
Hyejin Lee, Suwon-si, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Abstract
A power supply switch circuit includes a switch circuit including a first switch configured to switch a first power source voltage to a power supply terminal of a power amplifier, and a second switch configured to switch a second power source voltage to the power supply terminal; a switch controller configured to control the switch circuit; and a power supply circuit configured to supply a third power source voltage to the power supply terminal when a first voltage of the power supply terminal is lower than a predetermined second voltage.