Electronic Device, Charging Device and Electronic Device Module Using the Same

• US 20120169273A1
• Filed: 08/12/2011
• Published: 07/05/2012
• Est. Priority Date: 12/30/2010
• Status: Abandoned Application

• Current Assignee: Quanta Computer
• Original Assignee: Quanta Computer
• Inventors: Liu, Wei-Yu, Huang, Chien-Chiang, Su, Tai-Li, Lin, Huang-Fu
• Application Number:
  US13/209,168
• Publication Number:
  US 20120169273A1
• Time in Patent Office: Days
• US Class Current: 320/107
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/402 the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

An electronic device, a charging device and an electronic device module using the same are provided. The electronic device is adapted to a charging device for charging. The charging device comprises a first charging electrode and a second charging electrode. The electronic device comprises a main machine, a first device electrode and a second device electrode. The main machine has a display surface and a charging surface opposite to the display surface. The first device electrode and the second device electrode are both located on the charging surface. The main machine is charged in such way that the first device electrode placed on one of the first charging electrode and the second charging electrode and the second device electrode placed on the other of the first charging electrode and the second charging electrode.

Claims

1. An electronic device for being placed on a charging device for charging, wherein the charging device comprises a first charging electrode, a second charging electrode and a placement surface, and the electronic device comprises:

a main machine having a display surface and a charging surface opposite to the display surface;

a first device electrode having a first polarity and being located on the charging surface; and

a second device electrode having a second polarity and being located on the charging surface;

wherein, the main machine is charged in such way that the first device electrode placed on one of the first charging electrode and the second charging electrode and the second device electrode placed on the other of the first charging electrode and the second charging electrode.

2. The electronic device according to claim 1, wherein the main machine has a first main machine lateral surface, and the first device electrode disposed is adjacent to the first main machine lateral surface and has a first width and a first device electrode lateral surface which is separated from the first main machine lateral surface by a first distance;

the length of the placement surface along a first direction differs with the length of the main machine along the first direction by a first difference, the placement surface has a first boundary, and the first charging electrode disposed is adjacent to the first boundary and has a second width and a first charging electrode lateral surface which is separated from the first boundary by a second distance;

wherein, the second distance is smaller than the sum of the first distance and the first width of the first device electrode, and the sum of the second distance and the second width is larger than the sum of the first difference and the first distance.

3. The electronic device according to claim 2, wherein the main machine has a second main machine lateral surface opposite to the first main machine lateral surface, the second device electrode disposed is adjacent to the second main machine lateral surface and has a third width and a second device electrode lateral surface which is separated from the second main machine lateral surface by a third distance, the placement surface has a second boundary opposite to the first boundary, and the second charging electrode disposed is adjacent to the second boundary and has a fourth width and a second charging electrode lateral surface which is separated from the second boundary by a fourth distance;

wherein, the fourth distance is smaller than the sum of the third distance and the third width of the second device electrode, and the sum of the fourth distance and the fourth width is larger than the sum of the first difference and the third distance.

4. The electronic device according to claim 1, wherein the length of the placement surface along a second direction differs with the length of the main machine along the second direction by a second difference, the second direction is substantially perpendicular to the first direction, the main machine further has a third main machine lateral surface which is located between the first main machine lateral surface and the second main machine lateral surface, and the electronic device further comprises:

a third device electrode having a fifth width and a third device electrode lateral surface, wherein the third device electrode lateral surface is separated from the third main machine lateral surface by a fifth distance, the charging device further comprises a first detection electrode, the placement surface has a third boundary, and the first detection electrode disposed is adjacent to the third boundary and has a sixth width and a first detection electrode lateral surface which is separated from the third boundary by a sixth distance;

wherein, the sixth distance is smaller than the sum of the fifth distance and the fifth width of the third device electrode, and the sum of the sixth distance and the sixth width is larger than the sum of the second difference and the fifth distance.

5. The electronic device according to claim 4, wherein the charging device further has a fourth boundary opposite to the third boundary and further comprises a second detection electrode which is disposed adjacent to the fourth boundary and has a seventh width and a second detection electrode lateral surface which is separated from the fourth boundary by a seventh distance;

wherein, the seventh distance is smaller than the sum of the fifth distance and the fifth width, and the sum of the seventh distance and the seventh width is larger than the sum of the second difference and the fifth distance.

6. The electronic device according to claim 5, wherein the charging device further comprises a switch circuit.

7. The electronic device according to claim 6, wherein the switch circuit of the charging device switches the polarity of the first charging electrode and the polarity of the second charging electrode according to the third device electrode being contacting one of the first detection electrode and the second detection electrode and.

8. The electronic device according to claim 7, wherein the first device electrode and the second device electrode are formed by a conductive rubber.

9. A charging device for providing power to an electronic device which comprises a main machine, a first device electrode and a second device electrode, wherein the main machine has a display surface and a charging surface opposite to the display surface, the first device electrode and the second device electrode are both located on the charging surface, and the charging device comprises:

a body having a placement surface on which the electronic device is placed;

a first charging electrode located within the placement surface of the body; and

a second charging electrode located within the placement surface of the body;

wherein, the main machine is charged in such way that the first device electrode placed on one of the first charging electrode and the second charging electrode and the second device electrode placed on the other of the first charging electrode and the second charging electrode.

10. An electronic device module, comprising:

an electronic device, comprising;

a main machine having a display surface and a charging surface opposite to the display surface;

a first device electrode located on the charging surface; and

a second device electrode located on the charging surface; and

a charging device, comprising;

a body having a placement surface on which the electronic device is placed; and

a first charging electrode located within the placement surface of the body;

a second charging electrode located within the placement surface of the body;

wherein, the main machine is charged in such way that the first device electrode placed on one of the first charging electrode and the second charging electrode and the second device electrode placed on the other of the first charging electrode and the second charging electrode.