Luminescent compound for controlling traveling and method for controlling traveling using the same
US6203725A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1997 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Jul 18, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
According to the present invention, when the traveling of an automatic guided vehicle is optically controlled, a traveling controlling means containing a luminescent compound satisfying the following formula (1) is placed in a predetermined range for traveling of the automatic guided vehicle: EQU A-B.gtoreq.150 nm (1) wherein, A represents the minimum wavelength end (nm) of the luminescent compound, and B represents the maximum wavelength end (nm) of an irradiation light used for the traveling controlling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.