# US 12,224,602 B2 · Low-power device method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,602 B2 - Document ID: US12224602B2 - Status: Granted - Kind: B2 - Application number: 17/336,974 - Filed: 2021-06-02 - Published: 2021-09-16 - Granted: 2025-02-11 - Earliest claimed: 2017-09-25 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Chisung Bae; Sang Joon Kim - Web page: https://patentgrep.com/patent/US12224602B2 ## CPC - H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones - H02J 50/10: using inductive coupling - H02J 50/20: using microwaves or radio frequency waves - H02J 50/80: involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices - H02J 2105/46: Medical devices, medical implants or life supporting devices - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract A method of controlling power on a low-power device and the low-power device for performing the method are provided. The method includes performing a first operation, of acquiring sensing data, using power stored in an internal battery of the low-power device, wherein the first operation consumes a first power consumption from the internal battery; and performing a second operation, with respect to the acquired sensing data, and which consumes a second power consumption, using power wirelessly transmitted from an external device located outside of the low-power device, wherein the second power consumption is greater than the first power consumption. ## Claims ### Claim 1 A low-power device, comprising: a battery; a storage element configured to store power wirelessly transmitted from an external device; and a processor configured to perform operations using power from power sources including the battery and the storage element, wherein, based on respective levels of power consumed by the operations, some of the operations are performed using power directly from the battery and some of the operations are performed using power directly from the storage element. ### Claim 2 (depends on 1) The low-power device of claim 1, wherein the storage element is separate from the battery. ### Claim 3 (depends on 1) The low-power device of claim 1, further comprising: a wireless power receiver coupled to the storage element and configured to receive the power wirelessly transmitted from the external device. ### Claim 4 (depends on 3) The low-power device of claim 3, further comprising: a first antenna coupled to the wireless power receiver and configured to receive the power wirelessly transmitted from the external device. ### Claim 5 (depends on 3) The low-power device of claim 3, wherein the storage element is charged with the power received by the wireless power receiver until the power of the storage element reaches a power threshold. ### Claim 6 (depends on 1) The low-power device of claim 1, further comprising: a signal driver coupled to the storage element and configured to output a stimulus signal generated using the power stored in the storage element. ### Claim 7 (depends on 1) The low-power device of claim 1, wherein the battery is configured to supply power to monitor a neural signal of a user. ### Claim 8 (depends on 1) The low-power device of claim 1, further comprising: a processor configured to determine that a wireless power transmission from the external device to the low-power device is required, and a wireless RF transceiver coupled to the processor and configured to transmit a request for the wireless power transmission to the external device. ### Claim 9 (depends on 8) The low-power device of claim 8, further comprising: a second antenna coupled to the wireless RF transceiver and configured to transmit the request for the wireless power transmission to the external device through a wireless data link. ### Claim 10 (depends on 1) The low-power device of claim 1, wherein the processor is further configured to instruct the low-power device to output a stimulus signal generated using the power stored in the storage element. ### Claim 11 (depends on 1) The low-power device of claim 1, further comprising: a sensor coupled to the processor and configured to acquire a neural signal of a user. ### Claim 12 (depends on 11) The low-power device of claim 11, wherein the processor is further configured to: determine whether the neural signal acquired by the sensor is in a normal state; and continue to monitor the neural signal in response to determining that the neural signal is in a normal state. ### Claim 13 (depends on 12) The low-power device of claim 12, wherein the processor is further configured to transmit a request for a wireless power transmission to the external device in response to determining that the neural signal is not in a normal state. ### Claim 14 (depends on 1) The low-power device of claim 1, wherein the processor is further configured to instruct the low-power device to output a stimulus signal generated using the power stored in the storage element. ### Claim 15 (depends on 1) The low-power device of claim 1, further comprising: a wireless RF transceiver configured to transmit measurement data for an environment in which the low-power device is located to the external device using the power stored in the storage element when power stored in the storage element exceeds a threshold voltage or threshold power. ### Claim 16 (depends on 15) The low-power device of claim 15, further comprising: a second antenna coupled to the wireless RF transceiver and configured to transmit the measurement data to the external device through a wireless data link. ### Claim 17 (depends on 1) The low-power device of claim 1, wherein the storage element comprises a super capacitor. ### Claim 18 (depends on 1) The low-power device of claim 1, wherein the processor is further configured to: perform operations, having respective power consumptions less than or equal to a power threshold, using the battery of the low-power device; and perform any of the operations having respective power consumptions greater than the power threshold, using the power wirelessly transmitted from the external device. ### Claim 19 (depends on 1) The low-power device of claim 1, wherein the power stored in the battery is used to monitor a neural signal of a user, and wherein the power wirelessly transmitted from the external device located outside of the low-power device and stored in the storage element is used to generate a stimulus signal to the user. ### Claim 20 (depends on 1) The low-power device of claim 1, wherein the power stored in the battery is used to monitor a neural signal of a user, and wherein the power wirelessly transmitted from the external device located outside of the low-power device and stored in the storage element is used to transmit data to the external device.