Equipment unit with imperceptible information recorded thereon being used with an image forming device and an image forming device comprising the same
US7010236B2 · kind B2 · utility
3Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2003 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Apr 7, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00109
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An equipment unit such as a toner cartridge detachably equipped to an image forming device has a product information related to the equipment unit recorded on the outer surface thereof using an organic pigment having infrared reflectiveness that cannot be observed normally with the naked eye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.