Liquid discharge device and drive circuit substrate
US12202264B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2022 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Nov 30, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid discharge device including a drive circuit substrate that drives a piezoelectric element of a liquid discharge head, and that includes a substrate which includes a first wiring layer having a first wiring through which the first drive signal propagates, a second wiring layer having a second wiring through which the second drive signal propagates, and a third wiring layer located between the first wiring layer and the second wiring layer and having a fourth wiring through which the reference voltage signal propagates, in which a third wiring through which the third drive signal propagates is provided on any one of the first wiring layer, the second wiring layer, and the third wiring layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.