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18543105. POWER RECEIVING CIRCUIT AND BATTERY PACK simplified abstract (Murata Manufacturing Co., Ltd.)

From WikiPatents

POWER RECEIVING CIRCUIT AND BATTERY PACK

Organization Name

Murata Manufacturing Co., Ltd.

Inventor(s)

Mikio Yamamoto of Kyoto (JP)

POWER RECEIVING CIRCUIT AND BATTERY PACK - A simplified explanation of the abstract

This abstract first appeared for US patent application 18543105 titled 'POWER RECEIVING CIRCUIT AND BATTERY PACK

Simplified Explanation: The power receiving circuit described in the patent application includes a power receiving antenna, a capacitor portion with a temperature-sensitive capacitor, a conversion circuit, and a heat conducting member.

  • The power receiving antenna receives AC power from a power feeding antenna using magnetic field resonance.
  • The capacitor portion, connected to the power receiving antenna, includes a first capacitor that can change its capacitance with temperature and forms a resonance circuit with the antenna.
  • The conversion circuit converts the received AC power into DC power.
  • The heat conducting member helps in dissipating heat from the conversion circuit to the temperature-sensitive capacitor.

Key Features and Innovation:

  • Utilization of a power receiving antenna for receiving AC power through magnetic field resonance.
  • Inclusion of a temperature-sensitive capacitor in the capacitor portion to adjust capacitance based on temperature changes.
  • Conversion of AC power to DC power through the conversion circuit.
  • Efficient heat dissipation from the conversion circuit to the temperature-sensitive capacitor using a heat conducting member.

Potential Applications: The technology can be applied in wireless power transfer systems, IoT devices, and electric vehicle charging systems.

Problems Solved: The circuit addresses the need for efficient conversion of AC power to DC power while managing temperature variations for optimal performance.

Benefits:

  • Improved efficiency in converting AC power to DC power.
  • Enhanced temperature management for stable operation.
  • Potential for wireless charging applications in various industries.

Commercial Applications: The technology can be utilized in wireless charging pads, smart home devices, and electric vehicle charging stations, catering to the growing demand for efficient and convenient power transfer solutions.

Prior Art: Readers can explore prior research on magnetic field resonance power transfer systems and temperature-sensitive capacitors in power circuits to understand the background of this technology.

Frequently Updated Research: Stay updated on advancements in wireless power transfer technologies, temperature-sensitive components in power circuits, and heat dissipation methods for electronic devices.

Questions about Power Receiving Circuit: 1. How does the power receiving antenna receive AC power from the power feeding antenna? 2. What are the advantages of using a temperature-sensitive capacitor in the resonance circuit?


Original Abstract Submitted

A power receiving circuit according to an embodiment of the present disclosure includes: a power receiving antenna capable of receiving AC power supplied from a power feeding antenna by a magnetic field resonance method; a capacitor portion that is connected to the power receiving antenna, includes a first capacitor whose capacitance is changeable with temperature, and constitutes a resonance circuit together with the power receiving antenna; a conversion circuit capable of converting the AC power into DC power; and a heat conducting member capable of conducting heat from the conversion circuit to the first capacitor.

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