Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – For battery pack
Reexamination Certificate
1998-08-25
2001-02-20
Tso, Edward H. (Department: 2838)
Electricity: battery or capacitor charging or discharging
Cell or battery charger structure
For battery pack
C320S111000, C320S114000, C439S131000, C439S171000
Reexamination Certificate
active
06191553
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a charger, and more particularly to a portable charger for a mobile phone which can be attached to the belt of a user.
2. Description of the Prior Art
A conventional cellular phone charger includes an electrical socket, wires, an adapter, and a charger base. Such a charger is too large in size to be hand-carried by the user and has to be carried in a suitcase or bag.
SUMMARY OF THE INVENTION
The present invention relates generally to a charger, and more particularly to a portable charger for a mobile phone which can be attached to the belt of a user.
A primary object of the present invention is to provide a charger of a reduced size and having a reduced circuitry. The charger cooperates with an attaching mount and a concealed plug so that it may be conveniently carried around by the user.
According to an aspect of the present invention, the charger may match batteries of different brands and may be used in conjunction with a fitting base to facilitate charging.
According to another aspect of the present invention, the charger may be used as an alarm device which, when placed along with the corresponding mobile phone apart from the user, will emit sounds to remind the user to fetch it and the mobile phone to avoid loss.
According to a further aspect of the present invention, the charger may be used in conjunction with a fitting base to adapt to batteries of different brands. The fitting base may be configured to have a double charging function, that is, when a single battery is being recharged, another battery attached to the mobile phone may also be recharged.
According to still another aspect of the present invention, the charger comprises a charger base having a reduced housing, an attaching mount, and a concealed plug. The charger base is provided with a pair of slide hooks, power contacts, stops, and an indicating light on a front side thereof. The attaching mount and the concealed plug are both provided on a back side of the charger base. The attaching mount is provided at an upper end of the back side of the charger base and adapted to be attached to a belt of a user. The concealed plug is capable of being movably pulled out about an angle of 90 degrees to be inserted into an electrical socket.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts.
Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
REFERENCES:
patent: 5611701 (1997-03-01), Hahn
patent: 5628641 (1997-05-01), Hahn
patent: 5648712 (1997-07-01), Hahn
patent: 5838554 (1998-11-01), Lanni
patent: 5847541 (1998-12-01), Hahn
A & J
Toatley Jr. Gregory J
Tso Edward H.
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