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:
Apr. 14, 2026
Filed:
Jan. 11, 2024
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Kunitoshi Hanaoka, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Abstract
In a first balun of a radio-frequency circuit, a first end of a first coil is connected to an amplifier, and a second end of the first coil is connected to a ground. In the first balun, a first end of a second coil is connected to a first switch, and a second end of the second coil is connected to a second switch. In a second balun, a first end of a third coil is connected to the first end of the second coil via the first switch, and a second end of the third coil is connected to the second end of the second coil via the second switch. In the second balun, a first end of a fourth coil is connected to a filter, and a second end of the fourth coil is connected to the ground.