Skip to main content
U.S. flag

An official website of the United States government

Patent AT-E401659-T1: [Translated] KEYBOARD AND KEYBOARD ARRANGEMENT

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: September 07, 2025 at 02:34 PM | Dataset Last Updated: September 06, 2025
A keypad includes a light guide panel, the interior of which light propagates through, a film positioned on the upper surface of the light guide panel and having at least one key button positioned on the upper surface thereof, and at least one reflective pattern fixedly positioned with respect to the light guide panel to reflect a part of the light, which propagates through the interior of the light guide panel, towards the key button.

Resources

1 resource available

Find Related Datasets

Search by Tags

Click any tag below to search for similar datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov