MOBILE DEVICE CHARGING BASE, AND MOBILE DEVICE AND CHARGING BASE SYSTEM

• US 20110084657A1
• Filed: 10/13/2010
• Published: 04/14/2011
• Est. Priority Date: 10/14/2009
• Status: Abandoned Application

• Current Assignee: Sanyo Electric Company Limited (Panasonic Holdings Corporation)
• Original Assignee: Sanyo Electric Company Limited (Panasonic Holdings Corporation)
• Inventors: TOYA, Shoichi, Sasaji, Katsuaki, Morita, Hideyo
• Application Number:
  US12/903,560
• Publication Number:
  US 20110084657A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

A charging base for charging a mobile device includes an induction coil and a battery pack. The pack includes a battery charged by the induction coil. The base includes a base case, a mount portion, a power supply coil, and a power supply. The mount portion is recessed on the surface of the case, and can detachably hold the device. The power supply coil is arranged in proximity to and inside the recessed bottom surface of the mount portion to be electromagnetically coupled to the induction coil, and connected to the power supply coil. A cut-out portion is formed in a surface of the mount portion by partially cutting out the case to communicate with the outside. This surface intersects a mount surface of the device.

Claims

1. A charging base capable of charging a mobile device including an induction coil and a battery pack that includes a battery to be charged by electric power induced in this induction coil, the charging base comprising:

a base case;

a mount portion that is formed in a recessed shape in section on the surface of said base case, and can detachably hold the mobile device at a predetermined position;

a power supply coil that is arranged in proximity to and inside the recessed bottom surface of said mount portion, and can be electromagnetically coupled to the induction coil for the battery pack attached to said mobile device; and

a power supply that is connected to said power supply coil,

wherein a cut-out portion is formed in a surface of said mount portion intersecting a mount surface of the mobile device extending along the recessed bottom surface by cutting out a part of said base case so that the cut-off portion communicates with the outside.

2. The mobile device charging base according to claim 1, wherein a second cut-out portion is additionally formed in the recessed bottom surface of said mount portion, wherein said second cut-out portion communicates with said cut-out portion, and extends in a part of the recessed bottom surface from the edge of the surface intersecting said mount surface so that the edge of said base case opens in a substantially rectangular U shape.

3. The mobile device charging base according to claim 1 further comprising a spacer that can be attached to a stopper wall so that an actual size of said mount portion can be changed, wherein the stopper wall can support the lower surface of the mobile device.

4. The mobile device charging base according to claim 3, wherein said spacer includes two block portions, and a coupling portion that couples the two block portions to each other, wherein said block portions are designed to have surfaces substantially coplanar with interior wall surfaces of the base case when said spacer is attached to said mount portion, and wherein the interior wall surfaces of the base case face each other and define said cut-out portion.

5. The mobile device charging base according to claim 4, wherein said spacer has a positioning protruding section that protrudes toward a side to be inserted into said mount portion, wherein a positioning recessed section is formed at a position of said mount portion corresponding to said positioning protruding section so that, when the positioning protruding section of said spacer is inserted into the positioning recessed section of said mount portion, said spacer is positioned in place.

6. The mobile device charging base according to claim 5, wherein said base case has a spacer accommodation portion that accommodates said spacer.

7. The mobile device charging base according to claim 6, wherein said mount portion is formed inclined on said base case.

8. The mobile device charging base according to claim 7, wherein said spacer accommodation portion is located on the underside of said base case that is a side opposite to the side where said mount portion is formed.

9. The mobile device charging base according to claim 1, wherein said mount portion has a substantially U shape in section.

10. A mobile device and charging base system comprising:

a mobile device having;

a device case,

a rechargeable battery that is detachably attached to said device case, and

an induction coil that charges said rechargeable battery by induced electric power; and

a charging base having;

a base case,

a mount portion that is formed in a recessed shape in section on the surface of said base case, and can detachably hold said mobile device at a predetermined position,

a power supply coil that is arranged in proximity to and inside a recessed bottom surface of said mount portion, and can be electromagnetically coupled to the induction coil of the mobile device pack placed on said mount portion, and

a power supply that is connected to said power supply coil,

wherein said charging base has a cut-out portion that is formed in a surface of said mount portion intersecting a mount surface of said mobile device extending along the recessed bottom surface by cutting out a part of said base case so that the cut-off portion communicates with the outside.

11. The mobile device and charging base system according to claim 10, wherein an option unit can be coupled to said device case of said mobile device, wherein said mount portion of said charging base is designed so that said power supply coil is electromagnetically coupled to said induction coil when said mobile device with the option unit coupled thereto is placed on said mount portion, and wherein said mount portion of said charging base can receive a spacer that adjusts the position of said mobile device so that said power supply coil is electromagnetically coupled to said induction coil even when said mobile device without the option unit is placed on said mount portion.