Electronic monitoring apparatus
US6281793A · kind A · utility
35Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1999 |
| Grant date | Aug 28, 2001 |
| Priority date | — |
| Expiry date | Aug 30, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F3/0329
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Electronic monitoring apparatus including an object to be protected, an electronic seal body integrally formed with the object to be protected, an electronic seal wire attachable to the seal body, the seal wire having an electrical signature which is not readable without disengagement of the seal wire from the seal body, and electronic seal circuitry in electrical communication with the seal wire which senses a change in the electrical signature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.