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. 25, 2021
Filed:
Jul. 14, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Shoji Matsumoto, Fujisawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A printed circuit board includes an electrical component including a signal terminal, and a printed wiring board on which the electrical component is mounted. The printed wiring board includes a signal line connected to the signal terminal. The signal line includes a first line portion, a second line portion, a third line portion, and a fourth line portion disposed continuously in this order. The signal terminal is joined with the fourth line portion such that the signal terminal and the fourth line portion form an integral structure. A second characteristic impedance of the second line portion is lower than a first characteristic impedance of the first line portion. A third characteristic impedance of the third line portion is higher than the first characteristic impedance. A fourth characteristic impedance of the integral structure formed by the fourth line portion and the signal terminal is lower than the first characteristic impedance.