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. 22, 2026
Filed:
Aug. 09, 2024
Seiko Epson Corporation, Tokyo, JP;
Seiji Takamatsu, Kitakyushu, JP;
Koya Matsuyama, Kitakyushu, JP;
Shuichi Kadota, Fukuoka, JP;
Masayoshi Yamada, Shiojiri, JP;
Eiji Osawa, Matsumoto, JP;
Hikaru Iwai, Matsukawa-machi, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A medium transport device includes a first roller pair and an ultrasonic detection section positioned downstream of the first roller pair, wherein the ultrasonic detection section includes a transmission sensor chip configured to emit ultrasonic waves along a first axis, a receiving sensor chip that is configured to receive the ultrasonic waves and that is disposed at a position on the first axis and, a transmission board on which the transmission sensor chip is mounted, a receiving board on which the receiving sensor chip is provided, a first protection member positioned between the transmission sensor chip and the medium, a second protection member positioned between the receiving sensor chip and the medium, a transmission board holder configured to hold the transmission board and the first protection member, and a receiving board holder configured to hold the receiving board and the second protection member.