Abstract: A respiratory device and system, and in particular a respiratory device that is usable with a plurality of removable electronic function components that that can communicate wirelessly with other devices. In one embodiment, a respiratory device comprises a body, at least a portion of the body defining a volume; a mask communications unit (MCU) at least partially located within the volume; at least one electrical function component in communication with the MCU; and a rechargeable power source at least partially located within the volume, the rechargeable power source providing power to each of the at least one electrical function components.

Abstract: A method of communicating using a breathing apparatus includes receiving an audio signal from a sound acquisition unit. The method further includes determining a state of the breathing apparatus based on the received audio signal. The state is at least one of a first state and a second state. The method further includes applying a first filter on the audio signal if the determined state is the first state. The first filter has a first frequency response. The method further includes applying a second filter on the audio signal if the determined state is the second state. The second filter has a second frequency response different from the first frequency response of the first filter. The method further includes generating an output signal based on the application of the first filter or the second filter. The method further includes receiving the output signal at an output device.

Abstract: A respiratory device and system, and in particular a respiratory device that is usable with a plurality of removable electronic function components that that can communicate wirelessly with other devices. In one embodiment, a respiratory device comprises a body, at least a portion of the body defining a volume; a mask communications unit (MCU) at least partially located within the volume; at least one electrical function component in communication with the MCU; and a rechargeable power source at least partially located within the volume, the rechargeable power source providing power to each of the at least one electrical function components.

Abstract: The present disclosure relates, in various embodiments, to methods and systems for masking and de-masking a portion of an interior surface of a structure, such as may be useful in the selective coating of an interior surface of a structure. The method comprises providing a masking device comprising a magnetically active material and a seal-forming material and inserting the masking device into an interior of the structure. A magnetic force is activated in order to bring the masking device into sealable contact with a portion of an interior surface of the structure, thereby producing a masked portion of the interior surface. While maintaining the sealable contact, the unmasked portion of the interior surface of the structure is coated with a coating material. After the coating, the magnetic force is deactivated in order to bring the masking device out of sealable contact with the interior surface of the structure.

Abstract: A respirator device and method for configuring the respirator device are provided. The respirator device includes at least one respirator element and a communications device. The commination device including a memory configured to store at least one setting of the communication device. The communication device including processing circuitry in communication with the memory and the communication device. The processing circuitry is configured to receive at least one audible tone and modify at least one setting of the communication device based on the received at least one audible tone. The communication device configured to operate according to the modified at least one setting.

Abstract: A respirator device and method for configuring the respirator device are provided. The respirator device includes at least one respirator element and a communications device. The commination device including a memory configured to store at least one setting of the communication device. The communication device including processing circuitry in communication with the memory and the communication device. The processing circuitry is configured to receive at least one audible tone and modify at least one setting of the communication device based on the received at least one audible tone. The communication device configured to operate according to the modified at least one setting.

Abstract: The present disclosure relates, in various embodiments, to methods and systems for masking and de-masking a portion of an interior surface of a structure, such as may be useful in the selective coating of an interior surface of a structure. The method comprises providing a masking device comprising a magnetically active material and a seal-forming material and inserting the masking device into an interior of the structure. A magnetic force is activated in order to bring the masking device into sealable contact with a portion of an interior surface of the structure, thereby producing a masked portion of the interior surface. While maintaining the sealable contact, the unmasked portion of the interior surface of the structure is coated with a coating material. After the coating, the magnetic force is deactivated in order to bring the masking device out of sealable contact with the interior surface of the structure.