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| | ==Patent applications for 3M INNOVATIVE PROPERTIES COMPANY on November 30th, 2023== | | ==Patent applications for 3M INNOVATIVE PROPERTIES COMPANY on November 30th, 2023== |
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| − | ===PRESCRIPTION ATTACHMENTS FOR USE IN EACH PHASE OF COMBINATION ORTHODONTIC TREATMENT ([[US Patent Application 18266468. PRESCRIPTION ATTACHMENTS FOR USE IN EACH PHASE OF COMBINATION ORTHODONTIC TREATMENT simplified abstract|18266468]])=== | + | ===PRESCRIPTION ATTACHMENTS FOR USE IN EACH PHASE OF COMBINATION ORTHODONTIC TREATMENT ([[US Patent Application 18266468. PRESCRIPTION ATTACHMENTS FOR USE IN EACH PHASE OF COMBINATION ORTHODONTIC TREATMENT simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18266468]])=== |
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| − | '''Brief explanation'''
| + | ===SCBA Assembly with Integrated APR Capability ([[US Patent Application 18030879. SCBA Assembly with Integrated APR Capability simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18030879]])=== |
| − | The present disclosure is about a new type of dental attachment that combines the best practices of traditional bracket-wire systems and more recent resilient appliance systems.
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| − | * The attachments are designed to have specific in/outs, torques, and angulations, which are determined using the straight wire methodology.
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| − | * This combination of bracket prescription and attachment placement helps the dentist visualize the treatment outcome more accurately.
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| − | * The attachments can be used with trays or bands on the patient's teeth.
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| − | * The innovation aims to improve the effectiveness and efficiency of dental treatments.
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| − | | |
| − | '''Abstract'''
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| − | Attachments of the present disclosure combines the optimal practices of the traditional bracket-wire system and more recent resilient appliance (e.g., CTAs and polymeric bands) systems. The attachments include prescribed in/outs, torques and angulations designed utilizing the straight wire methodology for determining the bonding location on a particular tooth of the dental arch. A marriage of bracket prescription with attachment placement can help the treating professional to better visualize the treatment outcome with the tray or band on the patient.
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| − | | |
| − | ===SCBA Assembly with Integrated APR Capability ([[US Patent Application 18030879. SCBA Assembly with Integrated APR Capability simplified abstract|18030879]])=== | |
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| − | '''Brief explanation'''
| + | ===SPRAY GUN AND NOZZLE ASSEMBLY ATTACHMENT ([[US Patent Application 18232596. SPRAY GUN AND NOZZLE ASSEMBLY ATTACHMENT simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18232596]])=== |
| − | - The patent application describes a personal protective equipment (PPE) that is used as a component for an air purifying respirator (APR).
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| − | - The PPE includes an elongate tube with a proximal end and a distal end, where the distal end is designed to be connected to an air filter of the APR.
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| − | - An adapter is attached to the proximal end of the elongate tube, which allows for the APR to be securely connected to a facepiece.
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| − | - The adapter also enables the facepiece to be connected to a second stage regulator of a self-contained breathing apparatus (SCBA).
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| − | - The purpose of this innovation is to provide a reliable and efficient way to connect the APR to a facepiece, while also allowing for the use of a SCBA if needed.
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| − | | |
| − | '''Abstract'''
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| − | A personal protective equipment (PPE), a component for an air purifying respirator (APR) and a method for coupling an air purifying respirator (APR) to a facepiece are provided. In one embodiment, the component includes an elongate tube having a proximal end and a distal end, the distal end being configured to be in fluid communication an air filter of the APR. The component also includes an adapter disposed at the proximal end of the elongate tube. The adapter is configured to releasably fluidly couple the APR to a facepiece and releasably fluidly couple a second stage regulator of a self-contained breathing apparatus (SCBA) to the facepiece.
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| − | | |
| − | ===SPRAY GUN AND NOZZLE ASSEMBLY ATTACHMENT ([[US Patent Application 18232596. SPRAY GUN AND NOZZLE ASSEMBLY ATTACHMENT simplified abstract|18232596]])=== | |
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| − | '''Brief explanation'''
| + | ===MICROCUT PATTERNED TRANSFER ARTICLES ([[US Patent Application 18033429. MICROCUT PATTERNED TRANSFER ARTICLES simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18033429]])=== |
| − | - The patent application describes a liquid spray gun nozzle assembly.
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| − | - The assembly includes a coating liquid inlet portion and a coating liquid outlet portion.
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| − | - There is a coating liquid flow path connecting the inlet and outlet portions.
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| − | - The assembly can be connected to a compatible liquid spray gun body.
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| − | - The spray gun connection portion has a liquid sealing member and an air sealing member.
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| − | - The liquid sealing member helps with the provision of a liquid needle within a liquid needle zone.
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| − | - The air sealing member isolates an air zone.
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| − | - The air sealing member has a tapering rim.
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| − | - Both the liquid sealing member and the air sealing member are circular in shape.
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| − | | |
| − | '''Abstract'''
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| − | A liquid spray gun nozzle assembly is disclosed comprising a coating liquid inlet portion and a coating liquid outlet portion, and a coating liquid flow path connecting the coating liquid inlet with the coating liquid outlet. The spray gun connection portion opposite the coating liquid outlet portion is adapted to connect the liquid spray gun nozzle assembly to a compatible liquid spray gun body. The spray gun connection portion includes a liquid sealing member configured to facilitate provision of a liquid needle within a liquid needle zone and an air sealing member configured to isolate an air zone. The air sealing member includes a tapering rim. The liquid sealing member and the air sealing member are circular in shape.
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| − | | |
| − | ===MICROCUT PATTERNED TRANSFER ARTICLES ([[US Patent Application 18033429. MICROCUT PATTERNED TRANSFER ARTICLES simplified abstract|18033429]])=== | |
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| − | '''Brief explanation'''
| + | ===Polyurethanes, Polishing Articles and Polishing Systems Therefrom and Method of Use Thereof ([[US Patent Application 18250765. Polyurethanes, Polishing Articles and Polishing Systems Therefrom and Method of Use Thereof simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18250765]])=== |
| − | The patent application describes a transfer article that consists of multiple layers, including a carrier layer, a release layer, and a functional layer.
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| − | * The carrier layer can be easily released from the release layer with a specific amount of force.
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| − | * The release layer contains either a metal layer or a doped semiconductor layer.
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| − | * The functional layer is placed on top of the carrier layer and includes at least one microcut inorganic layer.
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| − | * The microcut inorganic layer has a pattern of cut toolmarks and plates, with each plate having a thickness ranging from 3 nanometers to 2000 nanometers.
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| − | * The overall thickness of the transfer article is less than 3 micrometers.
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| − | | |
| − | '''Abstract'''
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| − | A transfer article includes a carrier layer releasable at a release value of from 2 to 50 grams/inch from a release layer including a metal layer or a doped semiconductor layer. A functional layer overlies the carrier layer, and the functional layer includes at least one microcut inorganic layer. The microcut inorganic layer includes a pattern of cut toolmarks and plates bounded by the toolmarks, wherein each of the plates has a thickness of about 3 nanometers to about 2000 nanometers. The transfer article has a thickness of less than 3 micrometers.
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| − | | |
| − | ===Polyurethanes, Polishing Articles and Polishing Systems Therefrom and Method of Use Thereof ([[US Patent Application 18250765. Polyurethanes, Polishing Articles and Polishing Systems Therefrom and Method of Use Thereof simplified abstract|18250765]])=== | |
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| − | '''Brief explanation'''
| + | ===Compositions and Foam Compositions Containing Composite Particles, Articles, Composite Particles, and Methods ([[US Patent Application 18449942. Compositions and Foam Compositions Containing Composite Particles, Articles, Composite Particles, and Methods simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18449942]])=== |
| − | - The patent application is about a type of polyurethane that is made by reacting a mixture of polyester polyol, diol chain extender, diisocyanate, and a reactive tertiary amine.
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| − | - The application also discusses the use of this polyurethane in making polishing layers and polishing pads.
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| − | - The patent application also describes polishing systems and methods that utilize these polishing layers and polishing pads.
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| − | | |
| − | '''Abstract'''
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| − | The present disclosure relates to polyurethane comprising a reaction product of a reactive mixture including a polyester polyol, a diol chain extender, a diisocyanate; and a reactive, tertiary amine. The present disclosure further provides polishing layers and polishing pads fabricated therefrom. Additionally, the present disclosure provides polishing systems and polishing methods employing said polishing layers and polishing pads.
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| − | | |
| − | ===Compositions and Foam Compositions Containing Composite Particles, Articles, Composite Particles, and Methods ([[US Patent Application 18449942. Compositions and Foam Compositions Containing Composite Particles, Articles, Composite Particles, and Methods simplified abstract|18449942]])=== | |
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| − | '''Brief explanation'''
| + | ===Cured Epoxy Resin Composition Suitable for Electronic Device Enclosure, Articles, and Methods ([[US Patent Application 18366753. Cured Epoxy Resin Composition Suitable for Electronic Device Enclosure, Articles, and Methods simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18366753]])=== |
| − | - The patent application describes compositions that consist of a thermoplastic nitrogen-containing matrix material and composite particles distributed within the matrix material.
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| − | - The composite particles contain a chemical blowing agent particle that is encapsulated within a shell made of an uncrosslinked thermoplastic material.
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| − | - The uncrosslinked thermoplastic material has a certain minimum complex viscosity at the decomposition temperature of the chemical blowing agent particle.
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| − | - The patent application also describes foam compositions and articles made from these compositions, such as sheets or multilayer constructions.
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| − | - The patent application further provides methods for making the foam compositions.
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| − | - Additionally, the patent application mentions the use of these compositions in polishing pads, polishing systems, and methods of polishing substrates.
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| − | | |
| − | '''Abstract'''
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| − | Compositions are provided including an uncrosslinked thermoplastic nitrogen-containing matrix material and composite particles distributed in the matrix material. The composite particles each include a chemical blowing agent particle encapsulated within a shell including an uncrosslinked thermoplastic material. The uncrosslinked thermoplastic material exhibits at least a certain minimum complex viscosity at a decomposition temperature of the chemical blowing agent particle. Also described are foam compositions and articles including the foam compositions, such as a sheet or multilayer construction. Composite particles are further provided. Methods of making the foam compositions are additionally described herein. Also, polishing pads, polishing systems, and methods of polishing a substrate are provided.
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| − | | |
| − | ===Cured Epoxy Resin Composition Suitable for Electronic Device Enclosure, Articles, and Methods ([[US Patent Application 18366753. Cured Epoxy Resin Composition Suitable for Electronic Device Enclosure, Articles, and Methods simplified abstract|18366753]])=== | |
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| − | '''Brief explanation'''
| + | ===UNIVERSAL MOUNTING SYSTEM WITH PRONG-BEARING WALL ANCHORS ([[US Patent Application 18247916. UNIVERSAL MOUNTING SYSTEM WITH PRONG-BEARING WALL ANCHORS simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18247916]])=== |
| − | The abstract describes an electronic device with an enclosure made of a cured epoxy resin composition containing electrically non-conductive but thermally conductive inorganic particles. The enclosure can be used for phones, laptops, mice, or as a case for other electronic devices. The abstract also mentions the epoxy resin compositions and a method for making the enclosure.
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| − | | |
| − | * The electronic device has an enclosure made of a cured epoxy resin composition.
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| − | * The enclosure contains at least 50% of electrically non-conductive but thermally conductive inorganic particles.
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| − | * The enclosure can be used as a housing for phones, laptops, or mice.
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| − | * Alternatively, the enclosure can be used as a case for other electronic devices.
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| − | * The epoxy resin compositions are described in the patent application.
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| − | * The patent application also includes a method for making the enclosure for an electronic device.
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| − | | |
| − | '''Abstract'''
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| − | An electronic device is described comprising an enclosure, wherein the enclosure comprises a cured epoxy resin composition comprising at least 50 volume % of electrically non-conductive thermally conductive inorganic particles. The enclosure may be a housing of a phone, laptop, or mouse. Alternatively, the enclosure may be a case for an electronic device. Also described are epoxy resin compositions and a method of making an enclosure for an electronic device.
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| − | | |
| − | ===UNIVERSAL MOUNTING SYSTEM WITH PRONG-BEARING WALL ANCHORS ([[US Patent Application 18247916. UNIVERSAL MOUNTING SYSTEM WITH PRONG-BEARING WALL ANCHORS simplified abstract|18247916]])=== | |
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| − | '''Brief explanation'''
| + | ===PERSONAL PROTECTIVE EQUIPMENT FOR NAVIGATION AND MAP GENERATION WITHIN A VISUALLY OBSCURED ENVIRONMENT ([[US Patent Application 18030912. PERSONAL PROTECTIVE EQUIPMENT FOR NAVIGATION AND MAP GENERATION WITHIN A VISUALLY OBSCURED ENVIRONMENT simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18030912]])=== |
| − | The abstract describes a patent application for wall anchors and assemblies.
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| − | * The invention includes a plate, prongs, and a load bearing structure.
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| − | * The prongs are attached to the plate and curved towards the bottom edge.
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| − | * The load bearing structure can be a threaded bolt, post, or threaded bore.
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| − | | |
| − | '''Abstract'''
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| − | Wall anchors and assemblies of the present disclosure include a plate, one more prongs, and a load bearing structure comprising a threaded bolt, post, or threaded bore. The prongs are typically integral with a side edge of the plate and are typically curved towards the bottom edge of the plate.
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| − | | |
| − | ===PERSONAL PROTECTIVE EQUIPMENT FOR NAVIGATION AND MAP GENERATION WITHIN A VISUALLY OBSCURED ENVIRONMENT ([[US Patent Application 18030912. PERSONAL PROTECTIVE EQUIPMENT FOR NAVIGATION AND MAP GENERATION WITHIN A VISUALLY OBSCURED ENVIRONMENT simplified abstract|18030912]])=== | |
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| − | '''Brief explanation'''
| + | ===ADJUSTABLE VOLTAGE SENSOR ([[US Patent Application 18321241. ADJUSTABLE VOLTAGE SENSOR simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18321241]])=== |
| − | The patent application describes a system that includes personal protective equipment (PPE) worn by an agent. The PPE has a sensor assembly with a radar device, a microphone, and an inertial measurement device.
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| − | | |
| − | * The PPE captures radar data, speech input, and inertial data from the agent.
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| − | * A computing device processes the sensor data to generate pose data, which includes the agent's location and orientation over time.
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| − | * The speech input is processed to identify an item of interest in the environment where the PPE is used.
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| − | * The computing device also creates mapping information for the environment, marking the item of interest based on the processed speech input.
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| − | | |
| − | '''Abstract'''
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| − | A system includes a personal protective equipment (PPE) configured to be worn by an agent. The PPE includes a sensor assembly comprising a radar device configured to generate radar data, a microphone configured to capture speech input from the agent, and an inertial measurement device configured to generate inertial data. The system includes a computing device configured to: process sensor data from the sensor assembly, the sensor data including at least the radar data and the inertial data, to generate pose data of the agent based on the processed sensor data, the pose data including a location and an orientation of the agent as a function of time, to process the speech input to identify an item of interest in an environment in which the PPE is deployed, and to form mapping information for the environment with the item of interest being marked, based on the processed speech input.
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| − | | |
| − | ===ADJUSTABLE VOLTAGE SENSOR ([[US Patent Application 18321241. ADJUSTABLE VOLTAGE SENSOR simplified abstract|18321241]])=== | |
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| − | '''Brief explanation'''
| + | ===ULTRAVIOLET-STABLE OPTICAL FILMS ([[US Patent Application 18249426. ULTRAVIOLET-STABLE OPTICAL FILMS simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18249426]])=== |
| − | The patent application describes a voltage sensor for detecting an alternating current (AC) voltage in a high-voltage/medium-voltage power conductor.
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| − | * The voltage sensor uses a capacitive voltage divider, which includes a series connection of high-voltage capacitors and a low-voltage portion consisting of low-voltage capacitors connected to ground.
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| − | * A signal contact is placed between the high-voltage and low-voltage portions to provide a signal voltage representing the AC voltage.
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| − | * The low-voltage portion includes multiple electrically actuated adjustable impedance elements that can adjust the overall impedance of the low-voltage portion to a desired value.
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| − | * Each adjustable impedance element consists of adjustment capacitors and electrically actuatable elements.
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| − | * The electrically actuatable elements can be switched between a connected state and a disconnected state.
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| − | * In the connected state, an adjustment capacitor is connected in parallel to one or more low-voltage capacitors.
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| − | * In the disconnected state, the adjustment capacitor is disconnected from the low-voltage capacitor(s).
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| − | | |
| − | '''Abstract'''
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| − | A voltage sensor for sensing an AC voltage of a HV/MV power conductor comprises a capacitive voltage divider for sensing the AC voltage having one or more high-voltage capacitors electrically connected in series with each other and a low-voltage portion comprising one or more low-voltage capacitors electrically connected with each other between the high-voltage portion and electrical ground. The voltage divider also comprises a signal contact, electrically arranged between the high-voltage portion and the low-voltage portion, for providing a signal voltage indicative of the AC voltage. The low-voltage portion further comprises a plurality of electrically actuated adjustable impedance elements configured to adjust the common overall impedance of the low-voltage portion towards a desired impedance. Each electrically actuated adjustable impedance element comprises one or more associated adjustment capacitors and at least one electrically actuatable element, wherein each electrically actuatable element is associated with and electrically connected to one or more of the adjustment capacitors and wherein each electrically actuatable element is configured to achieve one of a connected state and a disconnected state. In the connected state, an associated adjustment capacitor is electrically connected in parallel to at least one of the one or more low-voltage capacitors. In the disconnected state, the associated adjustment capacitor is electrically disconnected from the low-voltage capacitor(s).
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| − | | |
| − | ===ULTRAVIOLET-STABLE OPTICAL FILMS ([[US Patent Application 18249426. ULTRAVIOLET-STABLE OPTICAL FILMS simplified abstract|18249426]])=== | |
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| − | '''Brief explanation'''
| + | ===AZIMUTHALLY ANISOTROPIC POLARIZATION SENSITIVE OPTICAL FILTER ([[US Patent Application 18319701. AZIMUTHALLY ANISOTROPIC POLARIZATION SENSITIVE OPTICAL FILTER simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18319701]])=== |
| − | The patent application describes an optical stack consisting of multiple layers of polymeric films that can manipulate the reflectance and absorption of incident light based on its wavelength and polarization state.
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| − | | |
| − | * The optical stack includes a first optical film with multiple layers and a second optical film with multiple layers.
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| − | * The first polymeric layers on the first optical film have a reflection band edge that separates a shorter wavelength range with higher reflectance and a longer wavelength range with lower reflectance.
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| − | * The second polymeric layers on the second optical film reflect less than 70% of the incident light for at least one wavelength in the shorter wavelength range.
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| − | * The second polymeric layers reflect more than 80% of the incident light for at least one wavelength in the longer wavelength range.
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| − | * Both the first and second polymeric layers absorb a certain percentage (A%) of the incident light in the shorter wavelength range, where A is equal to or greater than 50.
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| − | | |
| − | '''Abstract'''
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| − | An optical stack includes a first optical film with a plurality of first polymeric layers disposed on a second optical film with a plurality of second polymeric layers, such that for an incident light and for a first polarization state: a reflectance of the plurality of first polymeric layers versus wavelength has a reflection band edge separating a shorter wavelength range with higher reflectance a longer wavelength range with lower reflectance; for at least a first wavelength in the shorter wavelength range, the plurality of second polymeric layers reflects less than about 70% of the incident light, and for at least a second wavelength in the longer wavelength range, the plurality of second polymeric layers reflects greater than about 80% of the incident light; and in the shorter wavelength range, the pluralities of first and second polymeric layers absorbs respective A% and A% of the incident light, AA≥50.
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| − | | |
| − | ===AZIMUTHALLY ANISOTROPIC POLARIZATION SENSITIVE OPTICAL FILTER ([[US Patent Application 18319701. AZIMUTHALLY ANISOTROPIC POLARIZATION SENSITIVE OPTICAL FILTER simplified abstract|18319701]])=== | |
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| − | '''Brief explanation'''
| + | ===PRINTED CIRCUIT BOARD AND METHOD FOR DESIGNING THE SAME ([[US Patent Application 18245980. PRINTED CIRCUIT BOARD AND METHOD FOR DESIGNING THE SAME simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18245980]])=== |
| − | The patent application describes an optical construction that includes an optical film placed between two prismatic films.
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| − | * The prismatic films consist of parallel, linear prisms with opposing sides meeting at a peak.
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| − | * The prisms are angled and positioned in a way that the peaks face away from each other and the optical film.
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| − | * When collimated light is incident on the construction, it transmits at least 1% of the light at an oblique angle greater than 5 degrees with respect to the optical film.
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| − | * The optical film has an optical transmission of less than about 1% for a specific wavelength range and polarization states.
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| − | | |
| − | '''Abstract'''
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| − | An optical construction includes an optical film between first and second prismatic films, which each include pluralities of parallel, linear first and second prisms. Each of the first and second prisms have opposing first and second sides extending from first and second ends of a base of the prism and meeting at a peak. The first and second sides make first and second base angles with the base of the prism. The peaks of the prismatic films face away from each other and the optical film. For a collimated, normally incident light, for at least a first wavelength in a first wavelength range, and for each of first and second polarization states: the optical film has an optical transmission of less than about 1%, and the optical construction transmits at least 1% of the incident light at an oblique angle greater than 5 degrees with respect to the optical film.
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| − | | |
| − | ===PRINTED CIRCUIT BOARD AND METHOD FOR DESIGNING THE SAME ([[US Patent Application 18245980. PRINTED CIRCUIT BOARD AND METHOD FOR DESIGNING THE SAME simplified abstract|18245980]])=== | |
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| − | '''Brief explanation'''
| + | ===SAFETY SYSTEM AND METHOD ([[US Patent Application 18245975. SAFETY SYSTEM AND METHOD simplified abstract (3M INNOVATIVE PROPERTIES COMPANY)|18245975]])=== |
| − | The patent application describes a computer-based method for designing a printed circuit board (PCB) with multiple conductive layers.
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| − | * The method involves determining the conductive elements in each layer and dividing them into thermal zones.
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| − | * A clearance ruleset is used to determine the minimum distance required between different conductive elements.
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| − | * The method checks for spacing violations by comparing the distance between conductive elements to the minimum clearance.
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| − | * Thermal analysis is performed on electronic components within each thermal zone to identify any thermal violations.
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| − | * The method records spacing and thermal violations for further analysis and improvement of the PCB design.
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| − | | |
| − | '''Abstract'''
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| − | A computer-implemented method for designing a printed circuit board including one or more conductive layers is disclosed. The method includes determining one or more conductive elements of each conductive layer, and determining a plurality of thermal zones. Each conductive element is included in a corresponding thermal zone. The method further includes retrieving a clearance ruleset including minimum clearances for the plurality of conductive elements; selecting one conductive element and one other conductive element; determining a distance between the one conductive element and the one other conductive element in three-dimensional space; and recording a spacing violation if the distance between the one conductive element and the one other conductive element is less than the minimum clearance for the one conductive element and the one other conductive element. The method further includes performing thermal analysis of electronic components of each thermal zone and recording a thermal violation based on the thermal analysis.
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| − | | |
| − | ===SAFETY SYSTEM AND METHOD ([[US Patent Application 18245975. SAFETY SYSTEM AND METHOD simplified abstract|18245975]])=== | |
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| | Craig M. Parkulo | | Craig M. Parkulo |
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| − |
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| − | '''Brief explanation'''
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| − | The patent application describes a safety system with multiple alert devices, each having a unique identifier.
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| − | * Each alert device has a user interface, wireless transceiver, and processor.
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| − | * One alert device can generate an alarm signal and send it, along with its unique identifier, to other alert devices.
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| − | * Other alert devices receive the alarm signal and determine the link quality, indicating the distance between the devices.
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| − | * The alert devices display an alert message with the unique identifier of the triggering device and the corresponding link quality.
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| − |
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| − | '''Abstract'''
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| − | A safety system includes a plurality of alert devices associated with a unique identifier. Each alert device includes a user interface, a wireless transceiver, and a processor communicably coupled to the wireless transceiver. The processor of at least one alert device is configured to generate an alarm signal indicative of an alarm state, and transmit the alarm signal including the unique identifier of the at least one alert device to the wireless transceivers of the other alert devices. The processor of each of the other alert devices is configured to receive the alarm signal from the at least one alert device, determine a link quality indicative of at least a relative distance between the at least one alert device and the corresponding other alert device, and display, via the user interface, an alert message including the unique identifier of the at least one alert device and the corresponding link quality.
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