Hand-free device equipped with expansion function modules
AssigneeE-Lead Electronic Co., Ltd.
InventorTonny Chen
Life of this patent
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Abstract
A hand-free device equipped with expansion function modules allows a basic hand-free handset to attach expansion function modules depending on users' requirements so that the existing hand-free handset can be upgraded to equip additional or new function without obsolete. The invention consists of a hand-free main body and externally connected expansion function modules of various function desired. The function may be selected based on users' requirements such as GPS, PDA enabling, or audio control dialing, etc.
Claims8
A hand-free device equipped with expansion function modules comprising a hand-free main body and at least one connection unit for connecting at least one expansion function module, wherein:
- the hand-free main body includes a module detection and control unit for detecting external variations of the expansion function module and controlling the expansion function module, and providing signals to a central processing unit, and through a signal switch unit to perform signal switching for the connected different expansion function modules;
- and
- the expansion function module includes at least:
- a control unit for controlling and coordinating operations of the expansion function module and outputting signals, and coordinating operations of the hand-free main body;
- a coding/decoding unit for matching operations and coordination of the signal switch unit of the hand-free main body;
- an input unit serving as an input end for linking to the connection unit of the hand-free main body;
- an output unit serving as an output end to output information of the expansion function module;
- and
- an expansion function unit containing preset expansion function data.
Dependencies are inferred from the claim text.