Abstract: An oral treatment device includes a head for use in treating an oral cavity of a user, an inertial measurement unit, IMU, configured to generate signals dependent on position and/or movement of the head relative to the oral cavity, and intraoral image sensor equipment configured to generate image data representing at least a portion of the oral cavity. The oral treatment device includes a controller configured to process the generated signals and the generated image data using a trained classification algorithm to determine an intraoral location of the head of the oral treatment device. The controller is configured to control the oral treatment device to perform an action based on the determined intraoral location.

Abstract: An oral treatment device includes an inertial measurement unit, IMU, operable to output signals dependent on movement of the oral treatment device. The oral treatment device includes a controller configured to receive signals from the IMU indicating movement of the oral treatment device relative to the oral cavity, and process the received signals using a trained classification algorithm to obtain classification data, the classification algorithm being configured to determine whether the oral treatment device is being moved according to a predetermined movement type. The controller is configured to control the oral treatment device to perform an action using the classification data.

Abstract: An oral treatment device includes a head for use in treating an oral cavity of a user, the oral cavity including a plurality of oral cavity zones, and an inertial measurement unit, IMU, operable to output signals dependent on position and/or movement of the head. The oral treatment device includes a controller configured to receive signals from the IMU indicating position and/or movement of the head relative to the oral cavity, and process the received signals using a trained non-linear classification algorithm to obtain classification data. The classification algorithm is trained to identify, from the plurality of oral cavity zones, an oral cavity zone in which the head of the oral treatment device is located. The controller is configured to control the oral treatment device to perform an action using the obtained classification data.

Abstract: An oral treatment device includes an inertial measurement unit, IMU, operable to output signals dependent on position and/or movement of the oral treatment device. The oral treatment device includes a fluid delivery system for delivering working fluid to an oral cavity of a user. The oral treatment device includes a controller configured to process signals received from the IMU indicating position and/or movement of the oral treatment device relative to the oral cavity of the user, and on the basis of the processing, output a control signal to the fluid delivery system to control delivery of the working fluid.

Abstract: An oral treatment device includes intraoral image sensor equipment configured to generate image data representing at least a portion of the oral cavity of a user during use by the user of the oral treatment device. The oral treatment device includes a controller configured to process the generated image data to determine location data indicating a location of an interproximal gap between adjacent teeth in the oral cavity of the user. The controller is configured to process the generated image data using a trained classification algorithm configured to identify interproximal gaps, the trained classification algorithm having been trained prior to the use of the oral treatment device. The controller is configured to, during the use of the oral treatment device, control the oral treatment device to deliver a treatment to the detected interproximal gap based on the location data.

Abstract: A hairstyling device is provided. The hairstyling device includes a heatable hair contact member having a hair-contactable surface, the hair contact member being operable to apply heat to a tress of hair via the hair-contactable surface by movement of the hair contact member along the tress of hair between a first end of the tress and a second end of the tress. The hairstyling device includes sensor equipment configured to generate sensor output indicative of current use of the hairstyling device. The hairstyling device includes a controller configured to receive the sensor output from the sensor equipment, determine, based on the sensor output, that the hair contact member is at the first end of the tress or the second end of the tress, and control the hairstyling device to perform an action based on the determining.

Abstract: A hairstyling device is provided. The hairstyling device includes sensor equipment configured to generate sensor output dependent on at least one use characteristic of the hairstyling device indicative of current use of the hairstyling device. The hairstyling device includes a controller configured to receive the sensor output from the sensor equipment and process the sensor output using a classification algorithm to obtain classification data, the classification algorithm configured to determine whether the hairstyling device is being used according to a first styling behaviour or a second, different styling behaviour based on the at least one use characteristic of the hairstyling device. The controller is configured to control the hairstyling device to perform an action using the classification data.

Abstract: A hairstyling device is provided. The hairstyling device includes a heatable hair contact member having a hair-contactable surface, the hair contact member being operable to apply heat to a tress of hair of a user via the hair-contactable surface. The hairstyling device includes a controller configured to determine that the hair contact member is moving along the tress from a first end of the tress towards a second end of the tress. The controller is configured to, based on the determining, control heating of the hair contact member to cause the operating temperature of the hair contact member to change as the hair contact member moves along the tress from the first end of the tress towards the second end of the tress.

Abstract: A hairstyling device is provided. The hairstyling device includes a heatable hair contact member having a hair-contactable surface, the hair contact member being operable to apply heat to hair via the hair-contactable surface. The hairstyling device includes a controller configured to monitor power draw associated with heating of the hair contact member during heating of hair of a user via the hair-contactable surface. Based on the monitored power draw, one or more hair damage parameters indicative of damage of the heated hair are calculated. The controller is configured to control the hairstyling device based on the one or more calculated hair damage parameters.

Abstract: A cordless hairstyling device, a method of operating the hairstyling device, and a computer program comprising a set of instructions, which, when executed causes a computerized device to perform the method is provided. The device includes a heatable hair contact member having a hair contact-able surface, the hair contact member being operable to apply heat to a tress of hair of a user via the hair contactable surface, at least one sensor configured to sense a change in state of the device from a first stationary state to a second moving state, and a controller configured to, in response to the at least one sensor sensing a change in state from the first state to the second state, cause the hair contact member to heat to a pre-determined operating temperature by a pre-determined amount of time after the detected state change.

Abstract: A hairstyling device is provided. The hairstyling device includes a heatable hair contact member having a hair-contactable surface, the hair contact member being operable to apply heat to hair via the hair-contactable surface. The hairstyling device includes an inertial measurement unit, IMU, configured to output signals dependent on movement of the hair contact member. The hairstyling device includes a controller configured to receive a signal from the IMU indicating movement of the hair contact member along a tress of hair between a first end of the tress and a second end of the tress, process the received signal to determine a speed of the hair contact member, and control heating of the hair contact member based on the determined speed.

Abstract: A hairstyling device is provided. The hairstyling device is operable to apply heat to hair of a user. The hairstyling device includes sensor equipment configured to generate sensor output dependent on at least one use characteristic of the hairstyling device indicative of current use of the hairstyling device. The hairstyling device includes a controller configured to receive the sensor output from the sensor equipment, process the sensor output to determine one or more hair damage parameters indicative of damage to hair being heated by the hairstyling device, and cause, during heating of the hair by the hairstyling device, a user interface to provide an output dependent on the one or more hair damage parameters.

Abstract: A vacuum cleaner includes: a vacuum motor; one or more time of flight sensors configured to generate first sensor signals dependent on the proximity of an object to the one or more time of flight sensors; a capacitive sensor located in proximity to a handle of the vacuum cleaner and configured to generate second sensor signals dependent on whether a user is gripping the handle; and a controller configured to: process the generated first and second sensor signals to determine whether the vacuum cleaner is actively being used by the user; and in response to determining that the vacuum cleaner is actively being used, activate the vacuum motor.

Abstract: A vacuum cleaner includes: a vacuum motor; a first sensor configured to generate first sensor signals based on sensed motion and orientation of the vacuum cleaner; a cleaner head comprising an agitator; one or more diagnostic sensors configured to generate second sensor signals based on sensed parameters of the cleaner head; and a controller configured to: process the generated first and second sensor signals to determine whether the vacuum cleaner is actively being used by a user; and in response to determining that the vacuum cleaner is actively being used, activate the vacuum motor.

Abstract: A vacuum cleaner includes: a plurality of sensors configured to generate sensor signals; a vacuum motor; and a controller comprising first and second modules, wherein: the first module is configured to process the generated sensor signals to generate a plurality of control signals; the second module is configured to process the plurality of control signals to generate an output signal indicating that the vacuum cleaner is currently being used; and the vacuum motor is configured to activate or deactivate in dependence on the output signal.

Abstract: A vacuum cleaner includes: a sensor configured to generate sensor signals based on sensed motion and orientation of the vacuum cleaner; a vacuum motor; and a controller configured to: process the generated sensor signals to determine a type of cleaning activity being performed by a user using the vacuum cleaner; and in response to determining that the type of cleaning activity comprises one or more of: spot cleaning, crevice cleaning, and elevated cleaning, increase the power of the vacuum motor.

Abstract: A vacuum cleaner includes: a sensor configured to generate sensor signals based on sensed motion and orientation of the vacuum cleaner; a human-computer interface, HCI; and a controller configured to: process the generated sensor signals to determine a type of cleaning activity being performed by a user using the vacuum cleaner; and control the HCI to provide a recommendation to the user of the vacuum cleaner in dependence on the determined type of cleaning activity.

Abstract: A vacuum cleaner includes: a vacuum motor; a first sensor configured to generate first sensor signals based on sensed motion and orientation of the vacuum cleaner; a cleaner head comprising an agitator; one or more diagnostic sensors configured to generate second sensor signals based on sensed parameters of the cleaner head; and a controller configured to: process the generated first and second sensor signals to determine a type of surface on which the vacuum cleaner is being operated; and control the power of the vacuum motor in dependence on the determined type of surface.

Abstract: A vacuum cleaner includes: a vacuum motor; one or more sensors configured to generate sensor signals associated with the vacuum cleaner; and a controller configured to: process the generated sensor signals using a surface type model defining a mapping between generated sensor signals and surface types to determine a type of surface on which the vacuum cleaner is being operated; control the power of the vacuum motor in dependence on the determined type of surface; and update the surface type model based on the generated sensor signals and/or the determined type of surface.

Abstract: A vacuum cleaner includes: a sensor configured to generate sensor signals based on sensed motion and orientation of the vacuum cleaner; a vacuum motor; and a controller configured to: process the generated sensor signals to determine a type of cleaning activity being performed by a user using the vacuum cleaner; and in response to determining that the type of cleaning activity includes cleaning a surface at least partially obstructed by an object, decrease the power of the vacuum motor.