Selectively illuminating marking apparatus and method for its use
US7913913B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2007 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Oct 28, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B19/0023
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A data receiving and illuminatable marking instrument and spaced emission source is disclosed. The marking instrument may be a full duplex marking apparatus that communicates with spaced emitters transmitting infrared electromagnetic energy encoded with unique data packets. The marking instrument illuminates a portion of the marking implement in response to the data received from the data transmitting device. A method for using the above invention likewise is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.