Self-rechargeable portable telephone

• US 20030232627A1
• Filed: 04/10/2003
• Published: 12/18/2003
• Est. Priority Date: 06/14/2002
• Status: Active Grant

• Current Assignee: Sunyen Company Limited
• Original Assignee: Sunyen Company Limited
• Inventors: Tu, Yu-Ta, Yeh, Show-Jong
• Granted Patent: US 7,089,043 B2
• Time in Patent Office: Days
• US Class Current: 455/550.1
• CPC Class Codes: H02J 7/32 for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
• CPC Class Codes: H02K 35/02 with moving magnets and stationary coil systems
• CPC Class Codes: Y02B 40/00 Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

A portable telephone includes a telephone body containing telephone circuitry, a rechargeable cell, and a power generation device having a magnet structure, a coil, and a rectifier for generating a direct current (D.C.) voltage to charge the rechargeable cell. The magnet structure may be an armature and the coil may be fixed, or the magnet structure may be a stator and the coil may be movable. The magnet structure may be a multiple pole magnet made up of a plurality of individual pole structures, each pole structure including a pair of magnets joined to each other with facing poles of like polarity. In addition, the coil may include clockwise and counterclockwise windings arranged in a multi-layered stacked arrangement.

Claims

1. A portable telephone, comprising:

a portable telephone body including telephone circuitry;

a power generation device including a magnet structure, coil winding, and rectifier for generating direct current voltage upon movement of the telephone;

a rechargeable cell, capable of recharge by using said direct current voltage; and

at least one overload protection control device for protection of the telephone circuitry and rechargeable cell,

wherein said D.C. voltage generated by the power generation device is obtained by causing reciprocal movement of the telephone to induce electric current in the coil winding, and by rectifying the electric current, and

wherein said magnet structure is a magnetic body made up of at least two magnetic pole structures.

2. A portable telephone as claimed in claim 1, wherein said magnetic pole structures each comprises a pair of parallelepiped shaped dipole magnets having two ends and lateral faces, said dipole magnets in said pairs being joined together at said lateral faces such that like poles face each other, and said pairs being joined together at said ends of said individual dipole magnets to form said magnetic pole structures.

3. A portable telephone as claimed in claim 2, wherein said individual dipole magnets are joined by an adhesive.

4. A portable telephone as claimed in claim 2, wherein said individual dipole magnets are joined by welding or soldering.

5. A portable telephone as claimed in claim 2, wherein said individual dipole magnets are joined by sintering.

6. A portable telephone as claimed in claim 2, wherein said individual dipole magnets are joined by bonding.

7. A portable telephone as claimed in claim 2, wherein said magnetic pole structures are joined together by an adhesive.

8. A portable telephone as claimed in claim 2, wherein said magnetic pole structures are joined by sintering.

9. A portable telephone as claimed in claim 2, wherein said magnetic pole structures are joined by bonding.

10. A portable telephone as claimed in claim 1, wherein said coil includes a plurality of windings being wound in alternating clockwise and counterclockwise directions when viewed in a direction of said axis, each of said windings being formed in at least one layer of a multi layered stacked arrangement, and said windings have at least one winding.

11. A portable telephone as claimed in claim 1, wherein said rechargeable cell is a secondary cell.

12. A portable telephone as claimed in claim 1, wherein said overload protection device includes said rectifier.