Image forming apparatus determining states of members, image forming method, and image forming system
US10928765B2 · kind B2 · utility
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2References
22Claims
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Key dates
| Filing date | Mar 13, 2020 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Mar 13, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00751
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a plurality of members for forming an image; a transmitting unit configured to transmit a sonic wave; a receiving unit configured to receive a first sonic wave that has been transmitted from the transmitting unit and has passed through a sheet and a second sonic wave that is generated from at least one of the plurality of members; a detection unit configured to detect information regarding a type or state of the sheet based on the first sonic wave; and a determination unit configured to determine a state of a member that has generated the second sonic wave based on the second sonic wave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.