Movable anti-theft device for mobile telephones
US6628200B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Sep 12, 2002 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Sep 12, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/2854
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A movable anti-theft device for mobile telephones includes an induction system, an automatic dial system, a mobile telephone transmitting-and-receiving system, an alarm, an automatic charge system and a power delay connection system. The induction system senses unusual signals and sends them to the automatic dial system and the alarm system. The automatic dial system is able to automatically dial a preset telephone number to notify a related person. The mobile telephone transmitting-and-receiving system is able to transmit or receive signals. The alarm system is able to light up a warning light and give out sound. The automatic charge system is able to make up a self-supplying power through voltage drop and electricity storage. The power delay connection system is able to delay for a period of time and then convey power to all the foresaid systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.