Detecting toner injection amount of toner refill cartridge
US11294301B2 · kind B2 · utility
2Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2019 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Dec 5, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0894
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An example toner refill cartridge includes a body to accommodate toner, a plunger inserted into the body and movably coupled to the body in a longitudinal direction of the body, and capable of pushing the toner out of the body, a toner injection amount detector to detect each of a plurality of movement positions of the plunger in accordance with the movement of the plunger, and a connection interface to connect to an image forming apparatus to transmit a signal corresponding to each of the detected movement position to the image forming apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.