# US 10,122,215 B2 · Method and apparatus for closed loop power estimation for determination of optimal placement of a power receive unit on a power transmit unit with visual and/or haptic feedback > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,122,215 B2 - Document ID: US10122215B2 - Status: Granted - Kind: B2 - Application number: 15/081,092 - Filed: 2016-03-25 - Published: 2017-02-16 - Granted: 2018-11-06 - Earliest claimed: 2015-08-14 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Sumukh Ashok Shevde; Francesco Carobolante; Joseph Najib Maalouf - Web page: https://patentgrep.com/patent/US10122215B2 ## CPC - H02J 50/12: of the resonant type - H04B 5/79: for data transfer in combination with power transfer - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H04B: TRANSMISSION ## Abstract An apparatus for receiving wireless power is provided. The apparatus comprises a coupler configured to receive a first amount of wireless power via a wireless field generated by a wireless power transmitter. The apparatus comprises a sensor circuit configured to measure the first amount of wireless power. The apparatus comprises a controller configured to instruct a feedback circuit to provide an indication to a user based on a comparison of the first amount of wireless power measured by the sensor circuit to a power threshold. ## Claims ### Claim 1 An apparatus for receiving wireless power, comprising: a coupler configured to receive a first amount of wireless power via a wireless field generated by a wireless power transmitter; a sensor circuit configured to measure the first amount of wireless power; and a controller configured to instruct a feedback circuit to provide an indication on the apparatus to a user whether at least at least a minimum power required to boot up a controller of the apparatus or establish communications with the wireless power transmitter, or a combination thereof has been met based on a comparison of the first amount of wireless power measured by the sensor circuit to a power threshold. ### Claim 2 (depends on 1) The apparatus of claim 1, further comprising a memory configured to store the power threshold, wherein the power threshold is at least the minimum power required to boot up the apparatus or establish communications with the wireless power transmitter, or the combination thereof. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the indication comprises one or more indicators illuminated in response to the first amount of wireless power measured by the sensor circuit satisfying the power threshold. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the indication comprises one or more indicators illuminated in response to the first amount of wireless power measured by the sensor circuit not satisfying the power threshold. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the indication comprises haptic feedback in response to the first amount of wireless power measured by the sensor circuit satisfying the power threshold. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the indication comprises haptic feedback in response to the first amount of wireless power measured by the sensor circuit not satisfying the power threshold. ### Claim 7 (depends on 1) The apparatus of claim 1, further comprising a memory configured to store the power threshold, wherein the power threshold is one of a plurality of selectable power thresholds stored in the memory, the power threshold selected by a manufacturer of the apparatus. ### Claim 8 (depends on 1) The apparatus of claim 1, further comprising a memory configured to store the power threshold, wherein the power threshold is one of a plurality of selectable power thresholds stored in the memory, the controller configured to select the power threshold based on one or more operating conditions of the apparatus. ### Claim 9 A method for receiving wireless power, comprising: receiving a first amount of wireless power at a power receiving unit via a wireless field generated by a wireless power transmitter; measuring the first amount of wireless power; and providing an indication to a user on the power receiving unit whether at least a minimum power required to boot up a controller of the power receiving unit or establish communications with the wireless power transmitter, or a combination thereof has been met based on a comparison of the first amount of wireless power to a stored power threshold. ### Claim 10 (depends on 9) The method of claim 9, wherein the stored power threshold is at least the minimum power required to boot up the controller or establish communications with the wireless power transmitter, or the combination thereof. ### Claim 11 (depends on 9) The method of claim 9, wherein providing the indication comprises providing one or more indicators illuminated in response to the first amount of wireless power satisfying the stored power threshold. ### Claim 12 (depends on 9) The method of claim 9, wherein the providing the indication comprises providing one or more indicators illuminated in response to the first amount of wireless power not satisfying the stored power threshold. ### Claim 13 (depends on 9) The method of claim 9, wherein the providing the indication comprises providing haptic feedback in response to the first amount of wireless power satisfying the stored power threshold. ### Claim 14 (depends on 9) The method of claim 9, wherein providing the indication comprises providing haptic feedback in response to the first amount of wireless power not satisfying the stored power threshold. ### Claim 15 (depends on 9) The method of claim 9, wherein the stored power threshold is one of a plurality of selectable power thresholds stored in a memory, the stored power threshold selected by a manufacturer. ### Claim 16 (depends on 9) The method of claim 9, wherein the stored power threshold is one of a plurality of selectable power thresholds stored in a memory, the method further comprising selecting the stored power threshold based on one or more operating conditions. ### Claim 17 A non-transitory, computer-readable medium comprising code that, when executed, causes an apparatus for receiving wireless power to: receive a first amount of wireless power at a power receiving unit via a wireless field generated by a wireless power transmitter; measure the first amount of wireless power; and provide an indication to a user on the power receiving unit whether at least a minimum power required to boot up a controller of the power receiving unit or establish communications with the wireless power transmitter, or a combination thereof has been met based on a comparison of the first amount of wireless power to a stored power threshold. ### Claim 18 (depends on 17) The medium of claim 17, wherein the stored power threshold is at least the minimum power required to boot up the controller or establish communications with the wireless power transmitter, or the combination thereof. ### Claim 19 (depends on 17) The medium of claim 17, wherein providing the indication comprises providing one or more indicators illuminated in response to the first amount of wireless power satisfying the stored power threshold. ### Claim 20 (depends on 17) The medium of claim 17, wherein providing the indication comprises providing one or more indicators illuminated in response to the first amount of wireless power not satisfying the stored power threshold. ### Claim 21 (depends on 17) The medium of claim 17, wherein providing the indication comprises providing haptic feedback in response to the first amount of wireless power satisfying the stored power threshold. ### Claim 22 (depends on 17) The medium of claim 17, wherein providing the indication comprises providing haptic feedback in response to the first amount of wireless power not satisfying the stored power threshold. ### Claim 23 (depends on 17) The medium of claim 17, wherein the stored power threshold is one of a plurality of selectable power thresholds stored in a memory, the stored power threshold selected by a manufacturer. ### Claim 24 (depends on 17) The medium of claim 17, wherein the stored power threshold is one of a plurality of selectable power thresholds stored in a memory, the code, when executed, further causing the apparatus to select the stored power threshold based on one or more operating conditions. ### Claim 25 An apparatus for receiving wireless power, comprising: means for receive a first amount of wireless power at the apparatus via a wireless field generated by a wireless power transmitter; means for measuring the first amount of wireless power; means for storing a power threshold; and means for instructing a feedback circuit to provide an indication to a user on the power receiving unit whether at least a minimum power required to boot up the apparatus or establish communications with the wireless power transmitter, or a combination thereof has been met based on a comparison of the first amount of wireless power to a selected one of the power threshold. ### Claim 26 (depends on 25) The apparatus of claim 25, wherein the power threshold is at least the minimum power required to boot up the apparatus or establish communications with the wireless power transmitter, or the combination thereof. ### Claim 27 (depends on 25) The apparatus of claim 25, wherein the indication comprises one or more indicators illuminated in response to the first amount of wireless power satisfying the power threshold or in response to the first amount of wireless power not satisfying the power threshold. ### Claim 28 (depends on 25) The apparatus of claim 25, wherein the indication comprises haptic feedback in response to the first amount of wireless power satisfying the power threshold or in response to the first amount of wireless power not satisfying the power threshold. ### Claim 29 (depends on 25) The apparatus of claim 25, wherein the power threshold is one of a plurality of selectable power thresholds stored in a memory, the power threshold selected by a manufacturer of the apparatus. ### Claim 30 (depends on 25) The apparatus of claim 25, wherein the power threshold is one of a plurality of selectable power thresholds stored in a memory, the apparatus further comprising means for selecting the power threshold based on one or more operating conditions of the apparatus.