Abstract: A disclosed computer-implemented method for heating an item in a chamber of an electronic oven towards a target state includes heating the item with a set of applications of energy to the chamber while the electronic oven is in a respective set of configurations. The set of applications of energy and respective set of configurations define a respective set of variable distributions of energy in the chamber. The method also includes sensing sensor data that defines a respective set of responses by the item to the set of applications of energy. The method also includes generating a plan to heat the item in the chamber. The plan is generated by a control system of the electronic oven and uses the sensor data.

Abstract: This disclosure includes methods and systems that utilize energy absorption monitoring for intelligent electronic ovens with energy steering. One disclosed method for heating an item in an electronic oven includes introducing an application of energy into a heating chamber using an energy source coupled to an injection port, changing a distribution of the application of energy in the heating chamber by setting a configuration of the oven to a first configuration, and measuring an energy return from the heating chamber while the oven is in the first configuration. The measuring is conducted using a radio frequency directional power sensor. The method also includes determining that the energy return from the heating chamber exceeds a level, adjusting, in response to determining that the energy return exceeds the level, the configuration of the oven from the first configuration to an altered first configuration, and saving the altered first configuration in a memory.

Abstract: A disclosed computer-implemented method for heating an item in a chamber of an electronic oven towards a target state includes heating the item with a set of applications of energy to the chamber while the electronic oven is in a respective set of configurations. The set of applications of energy and respective set of configurations define a respective set of variable distributions of energy in the chamber. The method also includes sensing sensor data that defines a respective set of responses by the item to the set of applications of energy. The method also includes generating a plan to heat the item in the chamber. The plan is generated by a control system of the electronic oven and uses the sensor data.

Abstract: A disclosed computer-implemented method for heating an item in a chamber of an electronic oven towards a target state includes heating the item with a set of applications of energy to the chamber while the electronic oven is in a respective set of configurations. The set of applications of energy and respective set of configurations define a respective set of variable distributions of energy in the chamber. The method also includes sensing sensor data that defines a respective set of responses by the item to the set of applications of energy. The method also includes generating a plan to heat the item in the chamber. The plan is generated by a control system of the electronic oven and uses the sensor data.

Abstract: This disclosure includes methods and systems that utilize energy absorption monitoring for intelligent electronic ovens with energy steering. One disclosed method for heating an item in an electronic oven comprises introducing an application of energy into a heating chamber using an energy source coupled to an injection port, changing a distribution of the application of energy in the heating chamber by setting a configuration of the oven to a first configuration, and measuring an energy return from the heating chamber while the oven is in the first configuration. The measuring is conducted using a radio frequency directional power sensor. The method also comprises determining that the energy return from the heating chamber exceeds a level, adjusting, in response to determining that the energy return exceeds the level, the configuration of the oven from the first configuration to an altered first configuration, and saving the altered first configuration in a memory.

Abstract: This disclosure includes an electronic oven and an accompanying control system that avoid boiling or splattering in a heating chamber of the oven while an item is being heated in the chamber. A disclosed method which can be executed by the control system includes evaluating sensor data from a visible light sensor and sensor data from an infrared light sensor. The controller is communicatively coupled to the visible light sensor and the infrared light sensor. The method is directed towards generating a splatter prediction in response to the evaluation of the sensor data from the visible light sensor and the sensor data from the infrared light sensor. The method is further directed towards decreasing a power level of the microwave energy source in response to the splatter prediction. The controller is also communicatively coupled to the microwave energy source.

Abstract: Approaches relating to electronic ovens are disclosed. One approach involves an electronic oven with a heating chamber and an energy source that is coupled to an injection port in the heating chamber for introducing an application of energy into the chamber. The electronic oven also comprises a control system to adjust a distribution of the application of energy in the heating chamber, and a set of radio frequency (RF) responsive sensors in the heating chamber. Each RF responsive sensor in the set of RF responsive sensors directly responds to the application of energy in the heating chamber. The control system includes a machine learning system. The control system uses data from each RF responsive sensor in the set of RF responsive sensors to create a set of training data. The control system uses the set of training data to train the machine learning system.

Abstract: Method and systems related to improved human-machine interfaces for electronic ovens are disclosed. Different methods for displaying information to the user are disclosed. Different methods for dividing segmentation and identification tasks between a user and a control system are disclosed. In one example, an electronic oven includes a touch display, a heating chamber for heating an item, a light sensor having a field of view of at least a portion of the heating chamber, and a microwave energy source coupled to the heating chamber. The oven also includes a computer-readable medium that stores instructions to display the portion of the heating chamber as an image on the touch display using information from the light sensor, and process a touch input on the image.

Abstract: This disclosure includes an electronic oven and an accompanying control system that avoid boiling or splattering in a heating chamber of the oven while an item is being heated in the chamber. A disclosed method which can be executed by the control system includes evaluating sensor data from a visible light sensor and sensor data from an infrared light sensor. The controller is communicatively coupled to the visible light sensor and the infrared light sensor. The method also comprises generating a splatter prediction in response to the evaluation of the sensor data from the visible light sensor and the sensor data from the infrared light sensor. The method also comprises decreasing a power level of the microwave energy source in response to the splatter prediction. The controller is also communicatively coupled to the microwave energy source.

Abstract: A disclosed computer-implemented method for heating an item in a chamber of an electronic oven towards a target state includes heating the item with a set of applications of energy to the chamber while the electronic oven is in a respective set of configurations. The set of applications of energy and respective set of configurations define a respective set of variable distributions of energy in the chamber. The method also includes sensing sensor data that defines a respective set of responses by the item to the set of applications of energy. The method also includes generating a plan to heat the item in the chamber. The plan is generated by a control system of the electronic oven and uses the sensor data.

Abstract: A disclosed computer-implemented method for heating an item in a chamber of an electronic oven towards a target state includes heating the item with a set of applications of energy to the chamber while the electronic oven is in a respective set of configurations. The set of applications of energy and respective set of configurations define a respective set of variable distributions of energy in the chamber. The method also includes sensing sensor data that defines a respective set of responses by the item to the set of applications of energy. The method also includes generating a plan to heat the item in the chamber. The plan is generated by a control system of the electronic oven and uses the sensor data.

Abstract: A disclosed computer-implemented method for heating an item in a chamber of an electronic oven towards a target state includes heating the item with a set of applications of energy to the chamber while the electronic oven is in a respective set of configurations. The set of applications of energy and respective set of configurations define a respective set of variable distributions of energy in the chamber. The method also includes sensing sensor data that defines a respective set of responses by the item to the set of applications of energy. The method also includes generating a plan to heat the item in the chamber. The plan is generated by a control system of the electronic oven and uses the sensor data.

Abstract: Various methods and devices that involve tuning filters are disclosed. A disclosed method for tuning a filter comprises trimming a center frequency of the filter. The method also comprises trimming an input signal magnitude of the filter. The method also comprises measuring a performance metric of the filter after trimming the center frequency of the filter and the input signal magnitude of the filter. The method also comprises repeating the trimming steps and the measuring step until the filter is tuned for a first physical test condition. A disclosed device that includes a filter also includes first and second trimming circuits that trim the center frequency and input signal magnitude of the filter. A disclosed system includes a motor to transfer a transmitting device from a first physical test condition to a second physical test condition relative to a proximity coupling device with a filter.

Abstract: Various methods and devices that involve tuning filters are disclosed. A disclosed method for tuning a filter comprises trimming a center frequency of the filter. The method also comprises trimming an input signal magnitude of the filter. The method also comprises measuring a performance metric of the filter after trimming the center frequency of the filter and the input signal magnitude of the filter. The method also comprises repeating the trimming steps and the measuring step until the filter is tuned for a first physical test condition. A disclosed device that includes a filter also includes first and second trimming circuits that trim the center frequency and input signal magnitude of the filter. A disclosed system includes a motor to transfer a transmitting device from a first physical test condition to a second physical test condition relative to a proximity coupling device with a filter.

Abstract: Various methods and devices that involve character recognition on a touch display, or other input device, are disclosed. Some of these may facilitate the recognition of characters that are input by people with physical impairments such as those with limited eyesight. A disclosed free-hand character recognition device comprises: an input device having stroke detection circuitry to accept input data from a user; a character recognition engine instantiated using a processing system and a data store; and a network connection to a server. The device additionally comprises a memory storing instructions to: conduct an unobtrusive user recognition procedure to obtain a user identifier from the user; download a cipher from the server to the data store using the network connection and the user identifier; and generate a prediction vector using the character recognition engine, the input data, and the cipher.

Abstract: Various methods and devices that involve tuning filters are disclosed. A disclosed method for tuning a filter comprises trimming a center frequency of the filter. The method also comprises trimming an input signal magnitude of the filter. The method also comprises measuring a performance metric of the filter after trimming the center frequency of the filter and the input signal magnitude of the filter. The method also comprises repeating the trimming steps and the measuring step until the filter is tuned for a first physical test condition. A disclosed device that includes a filter also includes first and second trimming circuits that trim the center frequency and input signal magnitude of the filter. A disclosed system includes a motor to transfer a transmitting device from a first physical test condition to a second physical test condition relative to a proximity coupling device with a filter.