Device for charging a battery unit of a mobile telephone handset

• US 20020090983A1
• Filed: 03/14/2001
• Published: 07/11/2002
• Est. Priority Date: 01/11/2001
• Status: Abandoned Application

• Current Assignee: Computech International Ventures Ltd.
• Original Assignee: Computech International Ventures Ltd.
• Inventors: Chen, I-Ming
• Application Number:
  US09/811,017
• Publication Number:
  US 20020090983A1
• Time in Patent Office: Days
• US Class Current: 455/573
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction

Abstract

A device for charging a battery unit of a mobile telephone handset includes an electric field generating unit for generating an electric field, and a charging current generating unit adapted to be disposed on the mobile telephone handset. The charging current generating unit includes a sensing coil for sensing the electric field from the electric field generating unit and for generating a current signal corresponding to the electric field sensed thereby, and a current processing circuit, coupled electrically to the sensing coil, for receiving and processing the current signal so as to result in a charging current that is adapted to charge the battery unit of the mobile telephone handset.

Claims

1. A device for charging a battery unit of a mobile telephone handset, comprising:

an electric field generating unit for generating an electric field; and

a charging current generating unit adapted to be disposed on the mobile telephone handset and including

a sensing coil for sensing the electric field from said electric field generating unit and for generating

a current signal corresponding to the electric field sensed thereby, and a current processing circuit, coupled electrically to said sensing coil, for receiving and processing the current signal so as to result in a charging current that is adapted to charge the battery unit of the mobile telephone handset.

2. The device of claim 1, wherein said current processing circuit includes an AC-to-DC converting circuit, a voltage stabilizer coupled to said converting circuit, and a charging circuit coupled to said voltage stabilizer.

3. The device of claim 1, wherein said charging current generating unit further includes an output device coupled to said current processing circuit and adapted to supply the charging current to the battery unit.

4. The device of claim 3, wherein said output device includes a connecting cable adapted to connect with a power supply socket of the mobile telephone handset.

5. The device of claim 1, wherein said electric field generating unit includes a coil device adapted to be connected to an alternating current power source, and a casing for housing said coil device.

6. A charging current generating unit adapted to be disposed on a mobile telephone handset so as to charge a battery unit of the mobile telephone handset, said charging current generating unit comprising:

a sensing coil adapted to sense an electric field from an external electric field generating unit, said sensing coil generating a current signal corresponding to the electric field sensed thereby; and

a current processing circuit, coupled electrically to said sensing coil, for receiving and processing the current signal so as to result in a charging current that is adapted to charge the battery unit.

7. The charging current generating unit of claim 6, wherein said current processing circuit includes an AC-to-DC converting circuit, a voltage stabilizer coupled to said converting circuit, and a charging circuit coupled to said voltage stabilizer.

8. The charging current generating unit of claim 6, further comprising an output device coupled to said current processing circuit and adapted to supply the charging current to the battery unit.

9. The charging current generating unit of claim 8, wherein said output device includes a connecting cable adapted to connect with a power supply socket of the mobile telephone handset.

10. The charging current generating unit of claim 8, wherein said output device includes conductive contacts adapted to connect with the battery unit.

11. A charging current generating unit adapted to be disposed on a battery unit of a mobile telephone handset, comprising:

a sensing coil adapted to sense an electric field from an external electric field generating unit, said sensing coil generating a current signal corresponding to the electric field sensed thereby; and

a current processing circuit, coupled electrically to said sensing coil, for receiving and processing the current signal so as to result in a charging current that is adapted to charge the battery unit.

12. The charging current generating unit of claim 11, wherein said current processing circuit includes an AC-to-DC converting circuit, a voltage stabilizer coupled to said converting circuit, and a charging circuit coupled to said voltage stabilizer.

13. The charging current generating unit of claim 11, further comprising an output device coupled to said current processing circuit and adapted to supply the charging current to the battery unit.

14. The charging current generating unit of claim 13, wherein said output device includes conductive contacts adapted to connect with the battery unit.

16. The battery unit of claim 15, wherein said current processing circuit includes an AC-to-DC converting circuit, a voltage stabilizer coupled to said converting circuit, and a charging circuit coupled to said voltage stabilizer.

17. The battery unit of claim 15, wherein said charging current generating unit further includes an output device coupled to said current processing circuit so as to supply the charging current to said main body.

18. The battery unit of claim 17, wherein said output device includes conductive contacts for connecting with said main body.

15. A battery unit for a mobile telephone handset, comprising:

a main body; and

a charging current generating unit disposed on said main body and including

a sensing coil adapted to sense an electric field from an external electric field generating unit, said sensing coil generating a current signal corresponding to the electric field sensed thereby, and

a current processing circuit, coupled electrically to said sensing coil, for receiving and processing the current signal so as to result in a charging current that is used to charge the main body.