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:
Sep. 16, 2025
Filed:
Mar. 10, 2023
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Bowen Dang, Kawasaki Kanagawa, JP;
Takeshi Murasaki, Yokohama Kanagawa, JP;
Takaya Kitahara, Yokohama Kanagawa, JP;
Makoto Arai, Tachikawa Tokyo, JP;
Shoji Ootaka, Yokohama Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Abstract
A signal transmission device according to the embodiment includes: a first integrated circuit chip provided with a first coil that constitutes the isolation transformer; a printed circuit board provided with a second coil that is magnetically coupled with the first coil to form the insulating transformer; a second integrated circuit chip having a first connection terminal and a second connection terminal provided on the upper surface; a first wire that electrically connects between one end of the second coil and the first connection terminal; and a second wire that electrically connects between the other end of the second coil and the second connection terminal, wherein the second coil is provided only in the wiring layer of the printed circuit board, which has a single wiring layer structure.