Signal transmission circuit
US11228313B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2020 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Sep 10, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A signal transmission circuit is provided. A tri-state logic circuit includes an enabling terminal, an input terminal and an output terminal, and is conducted and unconducted when the enabling terminal is at a high and a low state respectively. A pull-up circuit pulls up a voltage level of the output terminal. A first and a second multiplexers respectively output an enabling signal and an output signal to the enabling terminal and the input terminal according to a first status of a selection signal and respectively output a high state signal according to a second status of the selection signal. A selection circuit generates the selection signal having the first status when the voltage level is not larger than a first threshold value, having the second status after the voltage level is larger than the first threshold value and having the first status afterwards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.