US Patent Application 18356099. METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION simplified abstract
Contents
METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION
Organization Name
Inventor(s)
METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION - A simplified explanation of the abstract
This abstract first appeared for US patent application 18356099 titled 'METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION
Simplified Explanation
The patent application describes a method for transmitting power wirelessly from a transmitter to a receiver.
- The method starts by transmitting a detection signal from the transmitter to the receiver using a transmission coil. This signal is used to determine if the receiver is present.
- The receiver responds to the detection signal by transmitting a signal strength indicator back to the transmitter. This helps identify the transmission coil that received the indicator.
- The identified transmission coil is then selected as the power transmission coil.
- The receiver also sends a Foreign Object Detection (FOD) status packet to the transmitter.
- Based on the FOD status packet, the transmitter determines if there is a foreign object present in the charging area.
- If a foreign object is detected, the power transmission is controlled in a first power transfer mode.
- If no foreign object is detected, the power transmission is controlled in a second power transfer mode.
Original Abstract Submitted
A method of transmitting power of a wireless power transmitter, including a phase of transmitting a detection signal to a wireless power receiver through a transmission coil to detect that the wireless power receiver is present; a phase of identifying a transmission coil that has received a signal strength indicator transmitted from the wireless power receiver in response to the detection signal; a phase of selecting the transmission coil that has received the signal strength indicator as a power transmission coil; a phase of receiving an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and a power control phase of controlling power transmission in a first power transfer mode when it is determined in the first determination phase that the foreign object is present in the charging area, or controlling the power transmission in a second power transfer mode when it is determined in the first determination phase that the foreign object is not present in the charging area.
