Inductive receivers for electrical devices

• US 8,762,749 B2
• Filed: 01/15/2013
• Issued: 06/24/2014
• Est. Priority Date: 10/09/2007
• Status: Active Grant

• Current Assignee: Powermat Technologies, Ltd.
• Original Assignee: Powermat Technologies, Ltd.
• Inventors: Azancot, Yossi, Ben-Shalom, Amir, Greenwald, Oola, Rofe, Arik
• Primary Examiner(s): BUTLER, DENNIS
• Application Number:
  US13/741,799
• Publication Number:
  US 20130132743A1
• Time in Patent Office: 525 Days
• US Class Current: 713/300
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction

Abstract

A power providing system for an electrical device includes a secondary inductor, wired to the electrical device, for inductively coupling with a primary inductor hardwired to a power supply. The secondary inductor is incorporated into an accessory of the electrical device.

Claims

1. A power providing system for a portable computer comprising:

a secondary coil wired to the portable computer for bringing into proximity with a primary coil hardwired to a mains power supply, to form an inductive power couple thereby, wherein the secondary coil is coupled by a two stripe multi-fiber insulated wire to the computer and is built in to a carrying case for carrying the portable computer therein.

2. The power providing system of claim 1, wherein the secondary coil is couplable to the portable computer via a dedicated jack designed for coupling the secondary coil.

3. The power providing system of claim 1, wherein the secondary coil is retrofittable to the portable computer.

4. The power providing system of claim 3, wherein the secondary coil is coupled to the portable computer via a power jack socket for coupling to a mains via a power supply.

5. The power providing system of claim 3, wherein the secondary coil is coupled to the portable computer via the connecting points for coupling to a rechargeable electrochemical power pack.

6. A power providing system for a portable computer comprising:

a secondary coil wired to the portable computer for bringing into proximity with a primary coil hardwired to a mains power supply, to form an inductive power couple thereby, wherein the secondary coil is coupled by a two stripe multi-fiber insulated wire to the computer and is built into a shoulder strap of a soft case for carrying the portable computer.

7. The power providing system of claim 6, wherein the secondary coil is couplable to the portable computer via a dedicated jack designed for coupling the secondary coil.

8. The power providing system of claim 6, wherein the secondary coil is retrofittable to the portable computer.

9. The power providing system of claim 8, wherein the secondary coil is coupled to the portable computer via a power jack socket for coupling to a mains via a power supply.

10. The power providing system of claim 8, wherein the secondary coil is coupled to the portable computer via the connecting points for coupling to a rechargeable electrochemical power pack.