Electronic device and data transmission protection device thereof
US11664792B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2022 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Jun 2, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/20
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An electronic device and data transmission protection device thereof are provided. The data transmission protection device includes an input clock signal detector and a control signal generator. The input clock signal detector receives a reference clock signal, and detects a frequency of an input clock signal provided by a host end according to the reference clock signal, and frequencies of the reference clock signal and the input clock signal are different. The control signal generator enables a generated control signal when the frequency of the input clock signal is larger than a safety setting value. The control signal is used to disable the host end to perform a data accessing operation on a protected circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.