Patents by Inventor Christopher Dearden
Christopher Dearden has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250246066Abstract: Devices, methods, and systems for a self-testing fire sensing device are described herein. One device includes an adjustable particle generator and a variable airflow generator configured to generate an aerosol density level sufficient to trigger a fire response without saturating an optical scatter chamber and the optical scatter chamber configured to measure a rate at which the aerosol density level decreases after the aerosol density level has been generated, determine an airflow rate from an external environment through the optical scatter chamber based on the measured rate at which the aerosol density level decreases, and determine whether the self-testing fire sensing device is functioning properly based on the fire response and the determined airflow rate.Type: ApplicationFiled: March 20, 2025Publication date: July 31, 2025Inventors: Christopher Dearden, Michael Barson, Benjamin Wolf
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Patent number: 12347294Abstract: Devices, methods, and systems for a self-calibrating fire sensing device are described herein. One device includes an adjustable particle generator and a variable airflow generator configured to generate aerosol having a particular particle size and optical scatter properties at a controllable density level, a first transmitter light-emitting diode (LED) configured to emit a first light that passes through the aerosol, a second transmitter LED configured to emit a second light that passes through the aerosol, a photodiode configured to detect a scatter level of the first light that passes through the aerosol and detect a scatter level of the second light that passes through the aerosol, and a controller configured to calibrate a gain of the photodiode based on the detected scatter level of the first light, the detected scatter level of the second light, and the controllable aerosol density level.Type: GrantFiled: June 12, 2023Date of Patent: July 1, 2025Assignee: Honeywell International Inc.Inventors: Christopher Dearden, Michael Barson, Benjamin Wolf
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Publication number: 20250201107Abstract: Devices, methods, and systems for monitoring a self-testing fire sensing device are described herein. One device includes a memory, and a processor configured to execute instructions stored in the memory to receive, from a self-testing fire sensing device, measurements of outputs of light-emitting diodes (LEDs) of the self-testing fire sensing device during operation of the self-testing fire sensing device, determine when a deviation in the measured outputs of the LEDs of the self-testing fire sensing device meets or exceeds a threshold deviation amount, determine an action to take on the self-testing fire sensing device upon determining the deviation in in the measured outputs of the LEDs meets or exceeds the threshold deviation amount, and send a notification of the determined action to take on the self-testing fire sensing device to an additional computing device.Type: ApplicationFiled: March 3, 2025Publication date: June 19, 2025Inventors: Benjamin H. Wolf, Michael Barson, Christopher Dearden
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Publication number: 20250148904Abstract: Devices, methods, and systems for a self-testing fire sensing device are described herein. One device includes an adjustable particle generator and a variable airflow generator configured to generate an aerosol density level, an optical scatter chamber configured to measure a rate at which the aerosol density level decreases after the aerosol density level has been generated, and a controller configured to compare the measured rate at which the aerosol density level decreases with a baseline rate, and determine whether the self-testing fire sensing device requires maintenance based on the comparison of the measured rate at which the aerosol density level decreases and the baseline rate.Type: ApplicationFiled: January 10, 2025Publication date: May 8, 2025Inventors: Scott Lang, Michael Barson, Benjamin Wolf, Christopher Dearden
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Patent number: 12283175Abstract: Devices, methods, and systems for monitoring an aerosol density level in a self-testing fire sensing device are described herein. One device includes an adjustable particle generator configured to generate aerosol, an optical scatter chamber configured to measure an aerosol density level of the aerosol, and a controller configured to compare the measured aerosol density level with a threshold aerosol density level and stop the adjustable particle generator from generating the aerosol responsive to the measured aerosol density level reaching and remaining at or above the threshold aerosol density level for a particular period of time.Type: GrantFiled: July 13, 2023Date of Patent: April 22, 2025Assignee: Honeywell International Inc.Inventors: Benjamin H. Wolf, Christopher Dearden, Michael Barson
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Publication number: 20250108243Abstract: Devices, methods, and systems for calibration of a heating element in a fire sensing device are described herein. One device includes a heating element, a reservoir comprising liquid or wax, a variable airflow generator, and a controller configured to receive a characteristic of the heating element and apply a calibrated electrical heating input to the heating element based on the characteristic of the heating element. The heating element is configured to heat the liquid or wax to generate a particular amount of aerosol or gas responsive to the calibrated electrical heating input and the variable airflow generator is configured to move the particular amount of aerosol or gas through the fire sensing device and return the fire sensing device to a state prior to generating the particular amount of aerosol or gas.Type: ApplicationFiled: October 3, 2023Publication date: April 3, 2025Inventors: Michael Barson, Benjamin H. Wolf, Christopher Dearden
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Patent number: 12260740Abstract: Devices, methods, and systems for a self-testing fire sensing device are described herein. One device includes an adjustable particle generator and a variable airflow generator configured to generate an aerosol density level sufficient to trigger a fire response without saturating an optical scatter chamber and the optical scatter chamber configured to measure a rate at which the aerosol density level decreases after the aerosol density level has been generated, determine an airflow rate from an external environment through the optical scatter chamber based on the measured rate at which the aerosol density level decreases, and determine whether the self-testing fire sensing device is functioning properly based on the fire response and the determined airflow rate.Type: GrantFiled: September 1, 2023Date of Patent: March 25, 2025Assignee: Honeywell International Inc.Inventors: Christopher Dearden, Michael Barson, Benjamin Wolf
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Patent number: 12243411Abstract: Devices, methods, and systems for monitoring a self-testing fire sensing device are described herein. One device includes a memory, and a processor configured to execute instructions stored in the memory to receive, from a self-testing fire sensing device, measurements of outputs of light-emitting diodes (LEDs) of the self-testing fire sensing device during operation of the self-testing fire sensing device, determine when a deviation in the measured outputs of the LEDs of the self-testing fire sensing device meets or exceeds a threshold deviation amount, determine an action to take on the self-testing fire sensing device upon determining the deviation in in the measured outputs of the LEDs meets or exceeds the threshold deviation amount, and send a notification of the determined action to take on the self-testing fire sensing device to an additional computing device.Type: GrantFiled: June 27, 2023Date of Patent: March 4, 2025Assignee: Honeywell International Inc.Inventors: Benjamin H. Wolf, Michael Barson, Christopher Dearden
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Publication number: 20250022361Abstract: Devices, methods, and systems for monitoring an aerosol density level in a self-testing fire sensing device are described herein. One device includes an adjustable particle generator configured to generate aerosol, an optical scatter chamber configured to measure an aerosol density level of the aerosol, and a controller configured to compare the measured aerosol density level with a threshold aerosol density level and stop the adjustable particle generator from generating the aerosol responsive to the measured aerosol density level reaching and remaining at or above the threshold aerosol density level for a particular period of time.Type: ApplicationFiled: July 13, 2023Publication date: January 16, 2025Inventors: Benjamin H. Wolf, Christopher Dearden, Michael Barson
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Patent number: 12198532Abstract: Devices, methods, and systems for a self-testing fire sensing device are described herein. One device includes an adjustable particle generator and a variable airflow generator configured to generate an aerosol density level, an optical scatter chamber configured to measure a rate at which the aerosol density level decreases after the aerosol density level has been generated, and a controller configured to compare the measured rate at which the aerosol density level decreases with a baseline rate, and determine whether the self-testing fire sensing device requires maintenance based on the comparison of the measured rate at which the aerosol density level decreases and the baseline rate.Type: GrantFiled: January 11, 2023Date of Patent: January 14, 2025Assignee: Honeywell International Inc.Inventors: Scott Lang, Michael Barson, Benjamin Wolf, Christopher Dearden
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Publication number: 20250006040Abstract: Devices, methods, and systems for monitoring a self-testing fire sensing device are described herein. One device includes a memory, and a processor configured to execute instructions stored in the memory to receive, from a self-testing fire sensing device, measurements of outputs of light-emitting diodes (LEDs) of the self-testing fire sensing device during operation of the self-testing fire sensing device, determine when a deviation in the measured outputs of the LEDs of the self-testing fire sensing device meets or exceeds a threshold deviation amount, determine an action to take on the self-testing fire sensing device upon determining the deviation in in the measured outputs of the LEDs meets or exceeds the threshold deviation amount, and send a notification of the determined action to take on the self-testing fire sensing device to an additional computing device.Type: ApplicationFiled: June 27, 2023Publication date: January 2, 2025Inventors: Benjamin H. Wolf, Michael Barson, Christopher Dearden
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Publication number: 20240404383Abstract: A fire sensing device is described herein. One fire sensing device includes a first transmitter light-emitting diode (LED) configured to emit a first light, a second transmitter LED configured to emit a second light, a controller configured to command the first transmitter LED to cease emitting the first light and the second transmitter LED to start emitting the second light, and a photodiode configured to detect the first light and the second light.Type: ApplicationFiled: May 31, 2023Publication date: December 5, 2024Inventors: Benjamin H. Wolf, Daniel D. Ascough, Michael Barson, Christopher Dearden
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Publication number: 20240346917Abstract: Devices, methods, and systems of a self-testing duct environment detector are described herein. One self-testing duct environment detector system includes a first portion to be mounted outside of a duct, the first portion having a detector housing with a space therein, the space having a detector with a sensing chamber and a self-testing sensing apparatus therein, wherein the self-testing sensing apparatus determines whether airflow through the detector housing is above a threshold and a second portion and third portion each configured to extend into the duct, wherein the second portion has at least one inlet aperture formed therein and wherein the third portion has at least on outlet aperture therein.Type: ApplicationFiled: May 21, 2024Publication date: October 17, 2024Inventors: Michael Barson, Scott Lang, Christopher Dearden, Benjamin H. Wolf
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Publication number: 20240273998Abstract: Devices, systems, and methods for self-testing event devices of a building alarm system are described herein. One self-test alarm system device having a self-testing capability includes a first independent power source connected to a detector module and a second independent power source connected to a self-test module.Type: ApplicationFiled: January 16, 2024Publication date: August 15, 2024Inventors: Michael Barson, Benjamin H. Wolf, Christopher Dearden
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Publication number: 20240273662Abstract: Devices, systems, and methods for validating an event response in an event system are described herein. In some examples, one or more embodiments include a mobile device comprising a memory and a processor to execute instructions stored in the memory to connect to an event device in response to an event occurring associated with the event device, determine an amount of time taken between when the event was initiated and when the mobile device connected to the event device, and transmit, to a remote computing device, a user profile associated with the mobile device and the amount of time.Type: ApplicationFiled: February 13, 2023Publication date: August 15, 2024Inventors: Benjamin H. Wolf, Matthieu Dubocquet, Michael Barson, Christopher Dearden
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Patent number: 11990022Abstract: Devices, methods, and systems of a self-testing duct environment detector are described herein. One self-testing duct environment detector system includes a first portion to be mounted outside of a duct, the first portion having a detector housing with a space therein, the space having a detector with a sensing chamber and a self-testing sensing apparatus therein, wherein the self-testing sensing apparatus determines whether airflow through the detector housing is above a threshold and a second portion and third portion each configured to extend into the duct, wherein the second portion has at least one inlet aperture formed therein and wherein the third portion has at least on outlet aperture therein.Type: GrantFiled: October 30, 2020Date of Patent: May 21, 2024Assignee: Honeywell International Inc.Inventors: Michael Barson, Scott Lang, Christopher Dearden, Benjamin H. Wolf
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Publication number: 20240053243Abstract: Devices, systems, and methods for providing an aspirating smoke detector device with test module are described herein. One aspirating smoke detector particulate or gas generation module includes a housing having a test particulate or gas generation chamber formed therein and wherein the test particulate or gas generation chamber has an inlet connection to a first pipe of an aspirating smoke detector pipe network and an outlet connection to a second pipe of an aspirating smoke detector pipe network and a test particulate or gas release apparatus that introduces a predetermined amount of test particulate or gas into the test particulate or gas generation chamber so that after it travels through a portion of the aspirating smoke detector a measured amount can be determined.Type: ApplicationFiled: August 10, 2022Publication date: February 15, 2024Inventors: Benjamin H. Wolf, Christopher Dearden, Michael Barson
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Publication number: 20240038054Abstract: Devices, methods, and systems for a self-testing fire sensing device are described herein. One device includes an adjustable particle generator and a variable airflow generator configured to generate an aerosol density level sufficient to trigger a fire response without saturating an optical scatter chamber and the optical scatter chamber configured to measure a rate at which the aerosol density level decreases after the aerosol density level has been generated, determine an airflow rate from an external environment through the optical scatter chamber based on the measured rate at which the aerosol density level decreases, and determine whether the self-testing fire sensing device is functioning properly based on the fire response and the determined airflow rate.Type: ApplicationFiled: September 1, 2023Publication date: February 1, 2024Inventors: Christopher Dearden, Michael Barson, Benjamin Wolf
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Publication number: 20240021069Abstract: Devices, methods, and systems for performing a self-clean of a fire sensing device are described herein. One device includes an air movement device and a controller configured to receive a command to perform a self-clean of the fire sensing device and cause the air movement device to activate to perform the self-clean responsive to receiving the command to self-clean, wherein the air movement device is configured to activate for a particular period of time to remove unwanted particles from the fire sensing device.Type: ApplicationFiled: July 18, 2022Publication date: January 18, 2024Inventors: Benjamin H. Wolf, Christopher Dearden, Michael Barson, Kamal Raja Ganesan, Vardhaman Babu Jarale, Barath Murugavel
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Patent number: 11875666Abstract: Devices, systems, and methods for self-testing event devices of a building alarm system are described herein. One self-test alarm system device having a self-testing capability includes a first independent power source connected to a detector module and a second independent power source connected to a self-test module.Type: GrantFiled: May 11, 2021Date of Patent: January 16, 2024Assignee: Honeywell International Inc.Inventors: Michael Barson, Benjamin H. Wolf, Christopher Dearden