Invention Grant
- Patent Title: Multi-feed detection device, multi-feed detection method, and electronic device
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Application No.: US16408623Application Date: 2019-05-10
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Publication No.: US11027934B2Publication Date: 2021-06-08
- Inventor: Eiji Osawa
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JPJP2018-091950 20180511
- Main IPC: B65H7/12
- IPC: B65H7/12 ; G01N29/11
Abstract:
A multi-feed detection device includes a transmission circuit substrate on which an ultrasonic transmitter transmitting an ultrasonic wave is installed, and an ultrasonic receiver receiving the ultrasonic wave. The ultrasonic transmitter transmits the ultrasonic wave in a direction intersecting a thickness direction of the transmission circuit substrate and at least one of the ultrasonic transmitter and the ultrasonic receiver has a plurality of ultrasonic elements.
Information query
