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:
Jun. 16, 2026
Filed:
Aug. 09, 2024
Seiko Epson Corporation, Tokyo, JP;
Noriyuki Koyanagi, Kitakyushu, JP;
Shuichi Kadota, Fukuoka, JP;
Yoichiro Nishimura, Kitakyushu, JP;
Ryoichi Shuto, Kitakyushu, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A medium transport device includes a first roller pair, a second roller pair disposed downstream of the first roller pair, and an ultrasonic detection section disposed between the first roller pair and the second roller pair. The ultrasonic detection section includes a transmission sensor chip, a receiving sensor chip, a transmission board on which the transmission sensor chip is provided, and a receiving board on which the receiving sensor chip is provided. A first axis is inclined with respect to a surface of the medium passing between the transmission sensor chip and the receiving sensor chip and at least a part of the transmission sensor chip and at least a part of the receiving sensor chip are within a range of the second roller pair in a normal direction with respect to a surface of the medium at a nip position of the second roller pair.