Title:
IMAGE READING DEVICE
Document Type and Number:
Japanese Patent JP2023145879
Kind Code:
A
Abstract:
To provide an image reading device that prevents a reduction in the accuracy of reading an image caused by electrification of a light guide.SOLUTION: An image reading device comprises: a document table glass on which a document is placed; a platen that is attached to the document table glass in an openable and closable manner; an LED 408 that emits light to irradiate the document; a light guide 207 that guides the light emitted from the LED 408 to the document; an LED array substrate 206 on which the LED 408 is mounted; an image sensor that receives the light reflected on the document to read an image of the document; and a ground pattern 409 that is provided on a surface of the LED array substrate 206 opposite to the document table glass and is grounded. The ground pattern 409 discharges electric charges on the electrified platen.SELECTED DRAWING: Figure 6
More Like This:
| JP3439026 | IMAGE READER |
| JPS613561 | PICTURE INFORMATION READER |
Inventors:
MATSUMURA KOICHI
ARIMA MAKOTO
ARIMA MAKOTO
Application Number:
JP2022052768A
Publication Date:
October 12, 2023
Filing Date:
March 29, 2022
Export Citation:
Assignee:
CANON KK
International Classes:
G03B27/50; H04N1/028; G03B27/54; H04N1/04
Attorney, Agent or Firm:
Seigo Suzuki