Security system and portable device usable therein
US7098791B2 · kind B2 · utility
22Cited by
9References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2003 |
| Grant date | Aug 29, 2006 |
| Priority date | — |
| Expiry date | Jan 3, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/8676
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A security system for notifying a driver that a mechanical key is being retained in a portable device. The portable device has an indicator that is illuminated when the mechanical key is not retained in the portable device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.