Lighting circuit and antenna arrangement of a cellular telephone
US6039459A · kind A · utility
6Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1998 |
| Grant date | Mar 21, 2000 |
| Priority date | — |
| Expiry date | Oct 14, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting circuit and antenna arrangement includes a receptacle covered with a transparent cap, a metal coil holder mounted in the receptacle and insulated by insulative means, a coil mounted on the metal coil holder inside the transparent cap, a LED holder block suspended inside the transparent cap above the metal coil holder within the coil, a LED installed in the LED holder block, and two diodes vertically connected between two opposite ends of the LED and the metal coil holder and forming with the metal coil holder and the LED a closed circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.