Inductive mobile device charger

• US 10,110,048 B2
• Filed: 08/26/2016
• Issued: 10/23/2018
• Est. Priority Date: 08/28/2015
• Status: Active Grant

• Current Assignee: Bibicord, Inc.
• Original Assignee: Bibicord, Inc.
• Inventors: Loewen, Joanne
• Primary Examiner(s): Grant, Robert
• Application Number:
  US15/249,209
• Publication Number:
  US 20170063142A1
• Time in Patent Office: 788 Days
• Field of Search: 320108
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/04 Regulation of charging current or voltage

Abstract

Wireless Mobile Device Charging Mat Charm with clip and battery and with or without retractable cord to re-charge the charging mat is disclosed. This invention eliminates the problem of leaving phone charging mats behind when traveling or on the go. This invention eliminates the problem of not being able to charge a phone when electricity is not available.

Claims

1. An inductive mobile device charger, comprising:

an enclosure having a top end and a bottom end;

an electrical plug on said bottom end;

an inductive charging circuit having a coil configured to provide power to a mobile device through a pulsating magnetic field;

an internal battery configured to provide power to said inductive charging circuit; and

an internal inductive charging circuit configured to charge said internal battery when said inductive mobile device charger is placed on another inductive mobile device charger.

2. The inductive mobile device charger of claim 1, further comprising:

a chain connector; and

a chain having a first end and a second end, said first end attached to said chain connector.

3. The inductive mobile device charger of claim 2, further comprising an object attached to said second end of said chain, said object selected from the group consisting of:

a keychain;

a clip;

a cord having a loop;

a hook and loop fastener.

4. The inductive mobile device charger of claim 2, further comprising a retractable cable, a charging connector attached to said retractable cable, and a direct current charging circuit configured to charge said internal battery through said charging connector.

5. The inductive mobile device charger or claim 4, wherein said charging connector comprises a USB connector.

6. The inductive mobile device charger of claim 1, wherein said inductive charging circuit is further configured receive communications from a mobile device via backscatter modulation.

7. The inductive mobile device charger of claim 1, wherein said inductive charging circuit is further configured to communicate with a mobile device via frequency shift keying.

8. The inductive mobile device charger of claim 1 further comprising a stand, said stand comprising a lever which sits flush against said enclosure in a first configuration and pivots outward locking at an angle in a second configuration.

9. An inductive mobile device charger, comprising:

an enclosure having a top end and a bottom end;

an electrical plug on said bottom end of said enclosure;

an inductive charging circuit;

a chain connector; and

a chain, having a first end attached to said chain connector, and a second end,

wherein said inductive charging circuit comprises;

a power source;

a coil;

an inverter configured to provide power in the form of an alternating current waveform to said coil;

a voltage sensor; and

a controller configured to respond to a signal detected by said voltage sensor by causing said inverter to change the amount of power provided to said coil.

10. The inductive mobile device charger of claim 9 wherein said power source is an internal battery and said inductive mobile device charger further comprises a rectifier configured to receive power from said electrical plug, rectify the power received from said electrical plug, and charge said internal battery.

11. The inductive mobile device charger of claim 10, further comprising a retractable cable, a charging connector attached to said retractable cable, and a direct current charging circuit configured to charge said internal battery through said charging connector.

12. The inductive mobile device charger of claim 11, wherein said charging connector comprises a USB connector.

13. The inductive mobile device charger of claim 9, further comprising an object attached to said second end of said chain, said object selected from the group consisting of:

a keychain;

a clip;

a cord having a loop;

a hook and loop fastener.

14. The inductive mobile device charger of claim 9, further comprising a stand, said stand comprising a lever which sits flush against said enclosure in a first configuration and pivots outward locking at an angle in a second configuration.

15. The inductive mobile device charger of claim 9, wherein said inductive charging circuit is further configured receive communications from a mobile device via backscatter modulation.

16. The inductive mobile device charger of claim 9, wherein said inductive charging circuit is further configured to communicate with a mobile device via frequency shift keying.

17. An inductive mobile device charger comprising:

a charging mat module comprising an inductive charging circuit comprising a coil configured to provide power to a mobile device through a pulsating magnetic field;

a battery module attachable to said charging mat module, said battery module comprising a battery configured to provide power to said inductive charging circuit;

an internal inductive charging circuit configured to charge said battery of said battery module when said inductive mobile device charger is placed on another inductive mobile device charger; and

a cord module comprising a cord configured to connect to an external power source and a power converter circuit, wherein;

said cord module is attachable to said battery module and said power converter circuit is configured to convert power from said external power source in order to charge said battery of said battery module, and

said cord module is attachable to said charging mat module and said power converter circuit is configured to convert power from said external power source in order to provide power to said inductive charging circuit.

18. The inductive mobile device charger of claim 17 further comprising a base module attachable to the bottom of said mobile device charger and comprising a stand, said stand comprising a lever which sits flush against said base module in a first configuration and pivots outward locking at an angle in a second configuration.