Inspection unit
US6663280B2 · kind B2 · utility
142Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 2001 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Jan 8, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21F3/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An inspection apparatus having at an entrance and an exit of a radiation tunnel a radiation-shielding curtain so that no ionized radiation can exit from the inspection unit as a luggage piece or another object to be inspected is passed into or out of the inspection unit. A plurality of light curtains, which are arranged at a spacing, one behind the other, so that the coefficient of fiction (&mgr;) is smaller than when the heavier curtain is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.