Operation display device and image forming apparatus
US12169330B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2023 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Nov 2, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/00411
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An operation display device includes: a touch panel including a transparent base and an electrostatic capacitance sensor sheet, the transparent base having an operation surface in a front surface thereof to which or with which an operation body approaches or comes into contact, the sensor sheet being provided on a back surface of the transparent base to detect the approach or the contact of the operation body; a liquid crystal panel facing a back surface of the touch panel; an outer cover covering a portion of the touch panel other than a front surface of the touch panel; and a sealing member sealing a gap between the touch panel and the liquid crystal panel, the outer cover including a spacer between the touch panel and the liquid crystal panel, and the sensor sheet being not to be interposed between the transparent base and the spacer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.