Source: http://patents.com/us-10177601.html
Timestamp: 2019-01-18 03:30:56
Document Index: 171080291

Matched Legal Cases: ['Application No. 105110283', 'Application No. 201580008486', 'Application No. 104103467', 'Application No. 2016', 'Application No. 201580008486', 'Application No. 61']

US Patent # 1,017,7601. Systems and methods for wireless power distribution allocation - Patents.com
United States Patent 10,177,601
Cooper , et al. January 8, 2019
Cooper; Emily B. (San Francisco, CA), Ramakrishnan; Siva (Beaverton, OR)
Family ID: 1000003751568
15/007,989
US 20160149436 A1 May 26, 2016
14318850 Jun 30, 2014
61953498 Mar 14, 2014
Current CPC Class: H02J 50/12 (20160201); H02J 7/0021 (20130101); H02J 7/0027 (20130101); H02J 7/0063 (20130101); H02J 50/20 (20160201); H02J 50/80 (20160201); H02J 50/40 (20160201); H02J 2007/0096 (20130101); H02J 1/14 (20130101); H02J 50/23 (20160201); H02J 50/27 (20160201); H02J 2007/0067 (20130101)
Current International Class: H01F 27/42 (20060101); H02J 50/40 (20160101); H02J 50/20 (20160101); H02J 50/80 (20160101); H02J 7/00 (20060101); H01F 37/00 (20060101); H01F 38/00 (20060101); H02J 50/12 (20160101); H02J 1/14 (20060101); H02J 50/23 (20160101); H02J 50/27 (20160101)
Field of Search: ;307/104 ;361/139
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This application claims the priority benefit of U.S. Provisional Application No. 61/953,498, entitled "Dynamic Power Transmission for Multiple Wireless Receivers," filed Mar. 14, 2014 and U.S. Nonprovisional application Ser. No. 14/318,850, entitled "Systems and Methods for Wireless Power Distribution Allocation" filed Jun. 30, 2014.
1. A wireless power transmission unit (PTU) for providing wireless power charging signals to multiple wireless power receiving units (PRUs), the PTU comprising: a resonator to provide wireless power to first and second PRUs; a communications radio for wirelessly communicating with the first and second PRUs; wherein the PTU is to provide charging power to the first PRU; receive a request through the communications radio to provide charging power to the second PRU; determine if the PTU has capacity to provide the requested charging power to the second PRU in addition to the current charging power of the first PRU; if the PTU does not have the capacity, adjust power being provided to the first PRU or provide less than the requested power to the second PRU so that the power may be provided to both the first and second PRUs.
5. A method of wireless charging by a first power transmitting unit (PTU), comprising: providing charging power to a first power receiving unit (PRU); receiving a request through a communications radio to provide charging power to a second PRU; determining if the PTU has capacity to provide the requested charging power to the second PRU in addition to the current charging power of the first PRU; if the PTU does not have the capacity, adjusting power being provided to the first PRU or providing less than the requested power to the second PRU so that the power may be provided to both the first and second PRUs.
8. A non-transitory storage medium containing instructions, which when executed, cause performance of operations comprising: providing charging power to a first power receiving unit (PRU); receiving a request through a communications radio to provide charging power to a second PRU; determining if a capacity to provide the requested charging power to the second PRU in addition to the current charging power of the first PRU is sufficient; if the capacity is not sufficient, adjusting power being provided to the first PRU or providing less than the requested power to the second PRU so that the power may be provided to both the first and second PRUs.
In example embodiments, the mobile devices discussed herein may have one or more antennas and/or transceivers, such as antennas and/or transceivers (e.g., radios), for wirelessly communicating with, for example, one another and/or the charging system. Sample forms of wireless communication may include WiFi, BLUETOOTH.TM., BLUETOOTH LE.TM., Near Field Communication, and other forms of wireless communication including non-radio frequency methods such as infrared radiation. In example embodiments, the mobile devices may be configured to wirelessly receive energy from the charging system. For example, the mobile devices may include resonators for engaging in a resonant magnetic induction energy transfer with the charging system.
The mobile devices 200, 300, 400 may be any one of suitable devices that may be configured to execute one or more applications, software, and/or instructions to provide one or more services to a user. The mobile devices 200, 300, 400, as used herein, may be any variety of client devices, electronic devices, communications devices, and/or other user devices. The mobile devices 200, 300, 400 may include, but are not limited to, tablet computing devices, electronic book (ebook) readers, netbook computers, Ultrabook.TM., notebook computers, laptop computers, desktop computers, watches or other wearables, health monitors, personal digital assistants (PDA), smart phones, web-enabled televisions, video game consoles, set top boxes (STB), or the like. Further examples of mobile devices 200, 300, 400 include peripherals such as wireless keyboards, mouse components, and the like, as well as wearables including, but not limited to, headsets, health monitors, watches, wristbands, ear phones, and the like. While the drawings and/or specification may portray the mobile devices 200, 300, 400 in the likeness of a smartphone, a laptop, or a tablet, the disclosure is not limited to such. Indeed, the systems and methods described herein may apply to any mobile device or user device capable of communicating with and receiving energy from the power transmission unit 102 of the charging system 100. The mobile devices may be used by users for a variety of purposes, including, but not limited to, functionality such as web browsing, business, communications, graphics, word processing, publishing, spreadsheets, databases, gaming, education, entertainment, media, project planning, engineering, drawing, or combinations thereof.
Each respective processor 104, 202, 302, 402 of the power transmission unit 102 or the mobile devices 200, 300, 400 may be implemented as appropriate in hardware, software, firmware, or combinations thereof. Software or firmware implementations of the processors 104, 202, 302, 402 may include computer-executable or machine-executable instructions written in any suitable programming language to perform the various functions described. Hardware implementations of the processors 104, 202, 302, 402 may be configured to execute computer-executable or machine-executable instructions to perform the various functions described. The processors 104, 202, 302, 402 may include, without limitation, a central processing unit (CPU), a digital signal processor (DSP), a reduced instruction set computer (RISC), a complex instruction set computer (CISC), a microprocessor, a microcontroller, a field programmable gate array (FPGA), or any combination thereof. The power transmission unit 102 and/or mobile devices 200, 300, 400 may also include a chipset (not shown) for controlling communications between one or more processors 104, 202, 302, 402 and one or more of the other components of the power transmission unit 102 or the mobile devices 200, 300, 400. The processors 104, 202, 302, 402 may also include one or more application specific integrated circuits (ASICs) or application specific standard products (ASSPs) for handling specific data processing functions or tasks. In certain example embodiments, the power transmission unit 102 and/or the mobile devices 200, 300, 400 may be based on an Intel.RTM. Architecture system, and the processors 104, 202, 302, 402 and chipset may be from a family of Intel.RTM. processors and chipsets, such as the Intel.RTM. Atom.RTM. processor family.
The memory 110, 208, 308, 408 of the respective power transmission unit 102, first mobile device 200, second mobile device 300, and third mobile device 400 includes a respective operating system module 112, 216, 316, 416. The processors 104, 202, 302, 402 of the power transmission unit 102 or the corresponding mobile device 200, 300, 400 may each be configured to access and execute one or more operating systems stored in the respective operating system modules 112, 216, 316, 416 to operate the system functions of the electronic device. System functions, as managed by the operating system may include memory management, processor resource management, driver management, application software management, system configuration, and the like. The operating system may be any variety of suitable operating systems including, but not limited to, Google.RTM. Android.RTM., Microsoft.RTM. Windows.RTM., Microsoft.RTM. Windows.RTM. Server.RTM., Linux, Apple.RTM. OS-X.RTM., or the like.
The radios 106, 212, 312, 412 of the power transmission unit 102 and/or mobile devices 200, 300, 400 may be a transmit/receive component, such as a transceiver. The radios 106, 212, 312, 412 may include any suitable radio(s) and/or transceiver(s) for transmitting and/or receiving radio frequency (RF) signals in the bandwidth and/or channels corresponding to the communications protocols utilized by the mobile devices 200, 300, 400 to communicate with each other or with other user devices and/or the power transmission unit 102 or another component of the charging system 100. The radios 106, 212, 312, 412 may include hardware and/or software to modulate communications signals according to pre-established distribution protocols. The radios 106, 212, 312, 412 may further have hardware and/or software instructions to communicate via one or more Wi-Fi and/or Wi-Fi direct protocols, as standardized by the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standards. In certain embodiments, the radios 106, 212, 312, 412, in cooperation with their respective antennas 114, 214, 314, 414, may be configured to communicate via 2.4 GHz channels (e.g. 802.11b, 802.11g, 802.11n), 5 GHz channels (e.g. 802.11n, 802.11ac), or 60 GHZ channels (e.g. 802.11ad). In alternative embodiments, non-Wi-Fi protocols may be used for communications between the power transmission unit 102 and/or mobile devices 200, 300, 400, such as BLUETOOTH.TM., BLUETOOTH.TM. LE, Near Field Communication, dedicated short-range communication (DSRC), or other packetized radio communications. The radios 106, 212, 312, 412 may include any known receiver and baseband suitable for communicating via the communications protocols of the power transmission unit 102 and/or mobile devices 200, 300, 400. The radios 106, 212, 312, 412 may further include a low noise amplifier (LNA), additional signal amplifiers, an analog-to-digital (A/D) converter, one or more buffers, and a digital baseband.
The antennas 114, 214, 314, 414 may be configured to receive and/or transmit signals in accordance with established standards and protocols, such as the Institute of Electrical and Electronics Engineers (IEEE) 802.11 family of standards, including via 2.4 GHz channels (e.g. 802.11b, 802.11g, 802.11n), 5 GHz channels (e.g. 802.11n, 802.11ac), or 60 GHZ channels (e.g. 802.11ad). In alternative example embodiments, the antennas 114, 214, 314, 414 may be configured to receive and/or transmit non-Wi-Fi protocol signals, such as BLUETOOTH.TM., BLUETOOTH.TM. LE, Near Field Communication, dedicated short-range communication (DSRC), or other packetized radio communications.
The power transmission unit 102 may include the power amplifier 124 and the power supply 126. The power amplifier 124 and the power supply 126 may be electrically coupled to the resonator 122 of the power transmission unit 102, and may energize the resonator 122 such that the resonator 122 may wirelessly transmit energy. The power supply 126 may be a battery, for example, and/or may be a connection to external power source 131. The power supply 126 may further include AC/DC power conversion capabilities and/or converters. The external power source 131 may be power provided from a power outlet, as shown. The connection between the power transmission unit 102 and the external power supply 130 may be a standard wall outlet, a Universal Serial Bus connection, a FIREWIRE.TM. or LIGHTNING.TM. connection, or any other connection configured to deliver power to the power transmission unit. In some embodiments, the power supply 126 may be an intermediary between the power transmission unit 102 and the external power supply 130. The power amplifier 124 may amplify energy from the power supply 126 to ensure the resonator 122 has sufficient energy to wirelessly transmit or distribute energy. For example, the power amplifier 124 may provide current in order to generate flux, thereby inducing voltage at the resonator 122.
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