RESONANCE TERMINAL DEVICE FOR RESONANT WIRELESS POWER RECEPTION SYSTEM

• US 20170194818A1
• Filed: 03/20/2017
• Published: 07/06/2017
• Est. Priority Date: 05/02/2012
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: PARK, Se-Ho, YEO, Sung-Ku, LEE, Woo-Ram, LEE, Jeong-Seok, KIM, Joon-ll
• Granted Patent: US 10,230,274 B2
• Time in Patent Office: Days
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• 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: H03H 7/0115 comprising only inductors and capacitors H03H7/075, H03H7/09, H03H7/12, H03H7/13 take precedence
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04M 2250/04 including near field communication means, e.g. RFID

Abstract

A resonant wireless power reception apparatus includes a wireless near field communication (NFC) antenna for performing an NFC function through an NFC frequency band, a resonator for receiving resonant wireless power using a resonance frequency different from the NFC frequency band, the resonator being installed adjacent to the NFC antenna, and a high impedance circuit for filtering a signal having the NFC frequency band provided from the NFC antenna, the high impedance circuit being connected to the resonator.

Claims

1. A resonant wireless power reception apparatus, comprising:

a wireless near field communication (NFC) antenna for performing an NFC function through an NFC frequency band;

a resonator for receiving resonant wireless power using a resonance frequency different from the NFC frequency band, the resonator being installed adjacent to the NFC antenna; and

a high impedance circuit for filtering a signal having the NFC frequency band provided from the NFC antenna, the high impedance circuit being connected to the resonator.

2. The resonant wireless power reception apparatus of claim 1, further comprising:

a shunt capacitor connected between two terminals of the resonator and having a preset capacity.

3. The resonant wireless power reception apparatus of claim 2, wherein the high impedance circuit is installed at a front side or a rear side of the shunt capacitor.

4. The resonant wireless power reception apparatus of claim 3, wherein the high impedance circuit comprises a band stop filter (BSF) that is applied to both terminals of the resonator.

5. The resonant wireless power reception apparatus of claim 1, wherein the resonator includes two terminals, and the high impedance circuit comprises a band stop filter (BSF) that is applied to both terminals of the resonator.

6. The resonant wireless power reception apparatus of claim 1, wherein the NFC antenna is mechanically disposed inside the resonator.