# US 12,006,609 B2 · Determining a state of a domestic appliance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,006,609 B2 - Document ID: US12006609B2 - Status: Granted - Kind: B2 - Application number: 16/975,971 - Filed: 2019-03-07 - Published: 2021-02-11 - Granted: 2024-06-11 - Earliest claimed: 2018-03-09 - Assignees: Henkel AG & Co. KGaA - Applicants: Henkel AG & Co. KGaA - Inventors: Arnd Kessler; Lars Zuechner; Robert Ruiz Hernandez; Ingo Hardacker - Web page: https://patentgrep.com/patent/US12006609B2 ## CPC - D06F 33/32: Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry - D06F 34/14: Arrangements for detecting or measuring specific parameters - D06F 34/05: for wireless communication between components, e.g. for remote monitoring or control - D06F 2103/00: Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers - D06F 2103/24: Spin speed; Drum movements - D06F 2103/26: Imbalance; Noise level - D06F 2103/68: Operation mode; Programme phase - D06F 2105/42: Detergent or additive supply - D06F: LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES ## Abstract A method is disclosed comprising inter alia a method comprising: acquiring at least one set of sensor data, wherein the at least one set of sensor data is acquired from at least one sensor; determining evaluation data indicative of a condition of a treatment chamber of a household appliance, wherein the evaluation data is determined based at least in part on the acquired set of sensor data; and outputting or causing the output of the determined evaluation data. Furthermore, a device for executing and/or controlling this method, a system with several devices for controlling and/or executing this method and a computer program for executing and/or controlling this method are disclosed. ## Claims ### Claim 1 A method performed by a dosing unit for placement within a treatment chamber of a washing machine, comprising: acquiring at least one set of acceleration data, wherein the at least one set of acceleration data is acquired by a sensor within the dosing unit during a rotational operation of the treatment chamber of the washing machine, wherein the at least one set of acceleration data at least partially represents a progression of the acceleration data determined by the sensor over a predetermined time interval, wherein the acceleration data is indicative of a movement of the dosing unit within the treatment changer of the washing machine, wherein the progression represented by the at least one set of acceleration data maps a curve as a curve progression, and wherein the curve progression is mapped over the predetermined time interval; determining evaluation data indicative of a load condition of the treatment chamber of the treatment chamber of the washing machine, wherein the evaluation data is determined in response to the at least one set of acceleration data, one or more characteristic patterns mapped by the curve progression and comparing the curve progression with a known characteristic pattern associated with a known rotational movement of the treatment chamber of the washing machines; and dispensing a preparation into the treatment chamber of the washing machine in response to the specific evaluation data. ### Claim 2 (depends on 1) The method according to claim 1, wherein the at least one sensor comprises an acceleration sensor and/or a magnetic field sensor. ### Claim 3 (depends on 2) The method according to claim 2, wherein the evaluation data determined by the acceleration sensor and/or magnetic field sensor is at least partially indicative of a movement. ### Claim 4 (depends on 2) The method according to claim 2, wherein the at least one set of acceleration data acquired by the acceleration sensor is acquired by a measurement of an acceleration to which the acceleration sensor is subjected, and wherein the at least one set of acceleration data determined by the magnetic field sensor is acquired by a measurement of a magnetic flux density which is measurable at the magnetic field sensor. ### Claim 5 (depends on 1) The method according to claim 1, wherein the one or more characteristic patterns represented by the curve progression represents one or more of the following characteristic patterns i) to iii); i) a harmonious oscillation pattern; ii) a pattern of one or more pauses; and (iii) a disharmonious oscillation pattern. ### Claim 6 (depends on 5) The method according to claim 5, wherein the determination of the one or more characteristic patterns comprises comparing the curve progression with known characteristic patterns. ### Claim 7 (depends on 1) The method according to claim 1, wherein the at least one set of acceleration data is characteristic of a particular cleaning program performed by the household appliance so that the particular cleaning program performed may be identified. ### Claim 8 (depends on 1) The method according to claim 1, further comprising determining frequency data, wherein the frequency data is indicative of a frequency of a rotational movement of the treatment chamber of the household appliance, and wherein the frequency data is determined at least partially based on the at least one set of acceleration data. ### Claim 9 (depends on 1) The method according to claim 1, further comprising: controlling and/or regulating a further device at least partially based on the evaluation data. ### Claim 10 (depends on 1) The method according to claim 1, wherein the evaluation data is at least partially indicative of a placement of a device comprising the at least one sensor and usable in the treatment chamber of the household appliance inside the treatment chamber of the household appliance. ### Claim 11 (depends on 1) The method according to claim 1, wherein the evaluation data is at least partially indicative of a status of the treatment chamber of the household appliance. ### Claim 12 (depends on 1) The method according to claim 1, wherein the evaluation data is at least partially indicative of a load condition of the household appliance. ### Claim 13 (depends on 1) The method according to claim 1, wherein determining the evaluation data is performed by an artificial neural network. ### Claim 14 (depends on 1) A device which is configured for executing and/or controlling a method according to claim 1.