WIRELESS CHARGER FOR USE IN AUTOMOBILE

• US 20110291614A1
• Filed: 05/31/2011
• Published: 12/01/2011
• Est. Priority Date: 05/31/2010
• Status: Abandoned Application

• Current Assignee: Ming-Hsiang Yeh
• Original Assignee: Ming-Hsiang Yeh
• Inventors: YEH, Ming-Hsiang
• Application Number:
  US13/118,735
• Publication Number:
  US 20110291614A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: B60R 11/02 for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
• CPC Class Codes: B60R 2011/0005 Dashboard
• CPC Class Codes: B60R 2011/0054 using cigarette lighter
• CPC Class Codes: B60R 2011/0056 using suction cups
• CPC Class Codes: B60R 2011/0075 using a containment or docking space
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

A wireless charge is provided for use in an automobile and includes a main body having a transmitter circuit and a power member. The main body has a surface to which a clip section is mounted so that coupling with an electronic device can be realized through the clip section. The power member is electrically connectable with a cigarette lighter of the automobile and the main body, whereby the power member transmits the electrical power supplied from the cigarette lighter to the transmitter circuit to allow the transmitter circuit to convert the electrical power into an AC signal, which is transmitted in a wireless manner to a receiver circuit of the electronic device to electrically charge a rechargeable battery of the receiver circuit. As such, a user may perform electrical charging of the electronic device during the travel of the automobile.

Claims

1. A wireless charger adapted to be used with an automobile comprising a cigarette lighter and coupleable with an electronic device comprising a receiver circuit, the wireless charger comprising:

a main body, which comprises a transmitter circuit and at least one clip section, the electronic device being positionable on the main body and engageable with the clip section to couple the electronic device with the main body; and

a power member, which has an end connected to the main body and an opposite end that is electrically connectable with the cigarette lighter of the automobile, whereby the power member transmits electrical power supplied from the cigarette lighter to the transmitter circuit to allow the transmitter circuit to convert the electrical power into an alternate-current signal, which is transmitted by the transmitter circuit to the receiver circuit in a wireless manner.

2. The wireless charger as claimed in claim 1 further comprising at least mounting member, which is mounted to a surface of the main body, whereby the mounting member attaches the main body to the automobile.

3. The wireless charger as claimed in claim 2, wherein the mounting member comprises one of a clamp, a tying wire, a magnet, and a suction cup.

4. The wireless charger as claimed in claim 1, wherein the transmitter circuit comprises a power amplifying circuit and a resonance circuit, the power amplifying circuit being connected to the power member, the power amplifying circuit converting the electrical power transmitted from the power member into an alternate-current signal and amplifying the alternate-current signal, the resonance circuit being connected to the power amplifying circuit, the resonance circuit transmitting the alternate-current signal that is amplified by the power amplifying circuit to the receiver circuit.

5. The wireless charger as claimed in claim 4, wherein the transmitter circuit further comprises a detection control circuit, a processing circuit, and a driving circuit, the detection control circuit being connected to the resonance circuit, the detection control circuit detecting magnitude of the alternate-current signal transmitted by the resonance circuit, the processing circuit being connected to the detection control circuit, the processing circuit being provided with a predetermined signal, the processing circuit comparing the predetermined signal with the alternate-current signal to generate a frequency regulation signal, the driving circuit being connected to the processing circuit and the power amplifying circuit, the driving circuit regulating signal frequency based on the frequency regulation signal and the driving circuit regulating power of the power amplifying circuit for feeding back and controlling the alternate-current signal transmitted by the resonance circuit to provide stabilized power of the alternate-current signal.

6. The wireless charger as claimed in claim 4, wherein the power amplifying circuit and the resonance circuit are combined as a power integration circuit.

7. The wireless charger as claimed in claim 6, wherein the power integration circuit comprises a circuit composed of at least two MOSFETs.

8. The wireless charger as claimed in claim 7, wherein the power integration circuit comprises one of a half-bridge power circuit and a full-bridge power circuit.

9. The wireless charger as claimed in claim 1, wherein the receiver circuit comprises a detection resonance circuit, a control circuit, and a rechargeable battery, the detection resonance circuit receiving the alternate-current signal transmitted by the transmitter circuit, the control circuit being connected to the detection resonance circuit, the control circuit converting the alternate-current signal received by the detection resonance circuit into electrical power and performing voltage regulation of the electrical power, the rechargeable battery being connected to the control circuit, the rechargeable battery storing the electrical power converted by the control circuit.