Electronic switch module and electric tool
US11999041B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2019 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Mar 18, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/96
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention is suitable for the technical field of electronic circuits, and provides an electronic switch module and an electric tool. The electronic switch module comprises a variable resistor and a first resistor, wherein the variable resistor and the first resistor form a voltage-dividing resistor unit, and the output end of the module is arranged on a connecting line between the variable resistor and the first resistor; one end of the voltage-dividing resistor unit is connected with a power supply, and the other end is grounded; the variable resistor comprises a plurality of second resistors with different resistance values, a conductive member, a first end and a resistance value adjusting member. When the resistance adjusting member slides along the conducting member, the two second resistors provide three different resistance values, so that the loss of the resistors is reduced, and the lightweight design of the product is facilitated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.