Electrical devices
US7313422B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2005 |
| Grant date | Dec 25, 2007 |
| Priority date | — |
| Expiry date | Jun 8, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/22
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An electrical device such as a portable communications device, domestic or personal care appliance has a main body adapted to couple to an accessory which may be in the form of a tool attachable to the main body or a housing portion. The accessory carries a passive data storage device having a memory (59) storing control data for controlling an operation or affecting a function of the device. The passive data storage device is arranged to derive a power supply from the main body when a first coupler carried by the main body is placed in proximity to a second coupler carried by the accessory (3). Where the electrical device is a portable communications device, then the accessory may be, for example, a fascia. The coupling between the first and second couplers may be inductive or capacitive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.