Htc Corporation

Mstar Semiconductor, Inc.

Feng-Seng Chu

Kwang-Cheng Chen

Ching-Yu Liao

Sung-Yin Shih

The present invention provides a mobile apparatus with wireless charging function and an accessory apparatus with wireless charging function capable of allowing a wireless power receiver (PRX) to communicate with a CPU of a mobile device, so as to solve the problem mentioned above. The mobile apparatus comprises: a processing circuit and a wireless power receiver (PRX). The PRX is coupled to the processing circuit and wirelessly connected to a wireless power transmitter (PTX) of a wireless charger, for receiving a wireless power, wherein the PRX receives a first authentication request signal from the PTX and then sends a second authentication request signal to the processing circuit, and the processing circuit sends a second authentication information to the PRX, and the PRX sends a first authentication information to the PTX.

Wireless charging receiver group authentication

An operating method includes receiving a wireless power signal from a power providing equipment; receiving a request from the power providing equipment; and under a condition that a battery level of a battery of the mobile device is less than a threshold value, transmitting an unavailable message to the power providing equipment, so that the power providing equipment charges the battery of the mobile device by utilizing the wireless power signal according to the unavailable message.

Power providing equipment, mobile device, operating method of mobile device

A wireless power transmitter device that includes a transmitter circuit, a transmitter coil, a transmitter communication unit and a transmitter control unit is provided. The transmitter circuit generates a transmitting current. The transmitter coil receives the transmitting current to generate an electromagnetic field to induce a receiving current in a wireless power receiver device. The transmitter communication unit is configured to receive a report of a received power of the wireless power receiver device therefrom. The transmitter control unit receives the report of the received power and determines whether a frequency splitting phenomena occurs according to the received power. When the frequency splitting phenomena occurs, the transmitter control unit adjusts at least one of a configuration of the transmitter coil and a configuration of the transmitter circuit or adjusts a transmitting frequency of the transmitting current.

Wireless power transmitter device and wireless power receiver device

An operating method includes receiving a power signal from a power providing equipment, transmit a first end power transfer message to the power providing equipment under a condition that the power of the battery is full, so that the power providing equipment stops providing the wireless power signal according to the first end power transfer message; charging the battery by utilizing the wireless power signal under a condition that the power of the battery is not full; and transmitting a second end power transfer message to the power providing equipment under a condition that the battery is fully charged by the charging module, so that the power providing equipment stops providing the wireless power signal according to the second end power transfer message. The first end power transfer message and the second end power transfer message are different.

A method for a mobile device in a wireless power system includes transmitting a request to a server of the wireless power system for acquiring operation state information of a first wireless power spot in the wireless power system, wherein the request at least comprises a required power threshold; and receiving a response comprising the operation state information of the first wireless power spot, wherein the operation state information at least comprises a capacity and an availability of the first wireless power spot.

Method of acquiring operation state information of wireless power system

A method for a power receiver for protecting a power receiver from being taken without permission while charged wirelessly includes receiving wireless power from a power transmitter and performing wireless charging in a security mode by the power receiver; detecting whether the wireless charging is interrupted without receiving a security code for authorization; and starting a protection function if the power receiver detects that the wireless charging is interrupted without receiving the security code for authorization.

Method of protecting power receiver and related wireless charging device

A method of handling wireless charging authentication for an electronic device of a wireless charging system includes sending a first message to a controller of the wireless charging system to notify the controller that an authentication is required by a wireless charger of the wireless charging system; receiving a second message including authentication information from the controller; and sending a third message including the authentication information to the wireless charger, in order to satisfy the authentication.

Method of handling wireless charging authentication

A wireless power transmitter that includes a power transmitting module, a communication module and a processing module is provided. The power transmitting module provides a wireless power to a wireless power receiver. The processing module receives a first request message from a remote mobile device through the communication module to request charging information of the wireless power receiver, determines whether the charging information is available, transmits available information to the remote mobile device under a condition that at least first part of the charging information is available, receives provided information from the wireless power receiver through the communication module under a condition that at least second part of the charging information is not available, and transmits the provided information through the communication module to the remote mobile device.

Wireless power transmitter and operation method of the same

A method of relay discovery and communication for a user equipment (UE) in a wireless communications system, including: receiving a first relay discovery request, from a remote UE which announces relay discovery requests; transmitting a relay discovery response including an identification of the UE, to the remote UE; receiving a second relay discovery request including the identification of the UE, from the remote UE; and activating a relay function to start relaying traffic of Proximity-based Service (ProSe) communication for the remote UE.

Method of relay discovery and communication in a wireless communications system

A method of indicating a physical uplink control channel (PUCCH) resource for a user equipment (UE) of a wireless communication system includes receiving a resource index denoting PUCCH format 2 resources and PUCCH format 3 resources, instead of merely denoting PUCCH format 2 resources, from a network of the wireless communication system; and determining resources for a transmission of control information over PUCCH format 2 or PUCCH format 3 based on an operation of the received resource index.

Method of indicating physical uplink control channel resource in enhanced multiple-input multiple-output technology and related communication device

A method of configuring timing resource in device to device (D2D) communication for a first user equipment (UE) includes receiving a first signal from a second UE; and reporting to a network node at least one of information about an arriving time related to the first signal and information about prospective resource allocation of the first UE, whereby the network node configures timing resource for D2D communication between the first UE and the second UE.

Method and related communication device for configuring timing resource in device to device communication

A method of identifying a wireless power receiver for a mobile device in a wireless power system includes transmitting a first identity of the mobile device to a wireless power base station of the wireless power system via a first wireless communication interface, receiving a first message including the first identity from the wireless power base station via a second wireless communication interface, and identifying the first message is destined to the mobile device according to the first identity.

Method of identifying wireless power receiver in wireless power system

A method of handling communication between time division duplex (TDD) devices for a network in a wireless communication system includes selecting at least two subframes to be used for a device to device (D2D) communication between a first user equipment (UE) and a second UE in the wireless communication system; indicating to the first UE to use a first subframe of the at least two subframes as an uplink subframe for the D2D communication and use a second subframe of the at least two subframes as a downlink subframe for the D2D communication; and indicating to the second UE to use the first subframe of the at least two subframes as a downlink subframe for the D2D communication and use the second subframe of the at least two subframes as an uplink subframe for the D2D communication.

Method and related communication device for handling communication between time division duplex devices

An operating method includes receiving a wireless power signal from a power providing equipment; and transmitting an encoded ID to the power providing equipment, so that the power providing equipment forwards the encoded ID to a server, and the power providing equipment charges a battery of the mobile device by utilizing the wireless power signal according to a charge command provided by the server.

Growing community of inventors

Taoyuan, Taiwan

Feng-Seng Chu