Keypad
US11086408B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2018 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Jan 27, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A keypad is provided in the present invention. The keypad includes a keypad shell and a keypad circuit board provided within the keypad shell. The keypad shell is provided with at least two subscriber identity module (SIM) card sockets and a first communication module connected to the SIM card sockets and configured to access the Internet. A SIM card switch is provided between the first communication module and the SIM card sockets. Compared to the prior art, the present invention enables, by means of providing the keypad with the at least two SIM card sockets and the first communication module supporting all major operators, the keypad to access the Internet when connected to a mobile terminal, and ensures uninterrupted Internet data access by switching to a SIM card of a different operator when the SIM card of the current operator has weak reception.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.