# US 12,119,121 B2 · System and method for managing facilities > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,121 B2 - Document ID: US12119121B2 - Status: Granted - Kind: B2 - Application number: 17/366,318 - Filed: 2021-07-02 - Published: 2022-01-06 - Granted: 2024-10-15 - Earliest claimed: 2020-07-02 - Assignees: Asahi Kasei Kabushiki Kaisha - Applicants: Asahi Kasei Kabushiki Kaisha - Inventors: Masahiro Morizumi; Takafumi Honjo; Hayato Yabuki; Hiroyuki Hirakawa - Web page: https://patentgrep.com/patent/US12119121B2 ## CPC - G16H 50/80: for detecting, monitoring or modelling epidemics or pandemics, e.g. flu - G08G 1/22: {Platooning, i.e. convoy of communicating vehicles} - G16H 50/20: for computer-aided diagnosis, e.g. based on medical expert systems - G16H 50/30: for calculating health indices; for individual health risk assessment - G06Q 10/0635: Risk analysis of enterprise or organisation activities - G06Q 50/40: Business processes related to the transportation industry (shipping G06Q10/083) - G08G 1/20: {Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles} - G16H 40/67: for remote operation - G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA - G08G: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93}) - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR ## Abstract A system for managing facilities comprises an acoustic event detector including an acoustic sensor for detecting an acoustic event in a compartment of a facility, a facility terminal electrically connected to the acoustic event detector, and an external server communicating with the facility terminal via a network. At least one of the facility terminal and the external server comprises a processor. The processor is configured to implement the steps of: extracting a respiratory disease symptom of a user in the facility from the detected acoustic event; assessing the respiratory disease symptom of the user to generate infection risk information associated with an infection risk of a next user expected to use the facility; and transmitting the infection risk information to at least one of an external user terminal, the external server, and a third party via the network. A method for managing facilities is also provided. ## Claims ### Claim 1 A system for managing facilities, the system comprising an acoustic event detector including an acoustic sensor for detecting an acoustic event in a compartment of a facility, a facility terminal electrically connected to the acoustic event detector, and an external server communicating with the facility terminal via a network, wherein at least one of the facility terminal and the external server comprises a processor, the processor is configured to implement the steps of: extracting a respiratory disease symptom of a user in the facility from the detected acoustic event; assessing at least one of intensity, frequency, and duration of the respiratory disease symptom of the user to determine a severity of the symptom; assessing a ventilation status of the facility indicated by a concentration of carbon dioxide; generating infection risk information associated with an infection risk of a next user expected to use the facility from the severity of the symptom and the ventilation status of the facility; transmitting the infection risk information to at least one of an external user terminal, the external server, and a third party via the network; and transmitting instruction to improve the ventilation status of the facility to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information, and the transmitting the instruction comprises transmitting the instruction when the severity of the symptom is high while the infection risk is low. ### Claim 2 (depends on 1) The system according to claim 1, wherein the acoustic sensor captures acoustic sound, and the processor is further configured to implement the step of: transmitting the acoustic data to at least one of the external user terminal, the external server, and the third party via the network. ### Claim 3 (depends on 1) The system according to claim 1, wherein the processor is further configured to implement the step of: delivering an advertisement to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information. ### Claim 4 (depends on 1) The system according to claim 1, wherein the processor is further configured to implement the step of: rating the user based on statement related to physical condition of the user and on the infection risk information for the user. ### Claim 5 (depends on 1) The system according to claim 1, wherein the processor is further configured to implement the step of: transmitting information indicating the degree of risk of area within the facility to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information. ### Claim 6 (depends on 1) The system according to claim 1, the processor is further configured to implement the step of: transmitting countermeasure information to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information. ### Claim 7 (depends on 1) The system according to claim 1, wherein the processor is further configured to implement the step of: modifying at least one of a communication frequency and information to be transmitted to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network. ### Claim 8 (depends on 1) The system according to claim 1, further comprising an air cleaner in the facility, wherein the processor is further configured to implement the step of: controlling the air cleaner on the basis of a frequency of occurrence of the respiratory disease symptom. ### Claim 9 (depends on 1) The system according to claim 1, wherein the processor is further configured to implement the steps of: generating facility compartment contamination information indicating a necessity of a disinfectant procedure prior to a next use of the facility based on the infection risk information, and transmitting the facility compartment contamination information to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network. ### Claim 10 (depends on 1) The system according to claim 1, wherein the external server searches a potentially contaminated facility having a usage history similar to that of the facility determined as high infection risk, and modifies at least one of a communication frequency and information to be transmitted to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network. ### Claim 11 A method for managing facilities, the method comprising the steps of: detecting an acoustic event in a compartment of a facility; extracting a respiratory disease symptom of a user in the facility from the detected acoustic event; assessing at least one of intensity, frequency, and duration of the respiratory disease symptom of the user to determine a severity of the symptom; assessing a ventilation status of the facility indicated by a concentration of carbon dioxide; generating infection risk information associated with an infection risk of a next user expected to use the facility from the severity of the symptom and the ventilation status of the facility; transmitting the infection risk information to at least one of an external user terminal, the external server, and a third party via a network; and transmitting instruction to improve the ventilation status of the facility to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information, and wherein the transmitting the instruction comprises transmitting the instruction when the severity of the symptom is high while the infection risk is low. ### Claim 12 (depends on 11) The method according to claim 11, further comprising the step of: transmitting the acoustic data to at least one of the external user terminal, the external server, and the third party via the network. ### Claim 13 (depends on 11) The method according to claim 11, further comprising the step of: delivering an advertisement to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information. ### Claim 14 (depends on 11) The method according to claim 11, further comprising the step of: rating the user based on statement related to physical condition of the user and on the infection risk information for the user. ### Claim 15 (depends on 11) The method according to claim 11, further comprising the step of: transmitting information indicating the degree of risk of area within the facility to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information. ### Claim 16 (depends on 11) The method according to claim 11, further comprising the step of: transmitting countermeasure information to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network based on the infection risk information. ### Claim 17 (depends on 11) The method according to claim 11, further comprising the step of: modifying at least one of a communication frequency and information to be transmitted to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network. ### Claim 18 (depends on 11) The method according to claim 11, further comprising the step of: controlling an air cleaner on the basis of a frequency of occurrence of the respiratory disease symptom. ### Claim 19 (depends on 11) The method according to claim 11, further comprising the step of: generating facility compartment contamination information indicating a necessity of a disinfectant procedure prior to a next use of the facility based on the infection risk information, and transmitting the facility compartment contamination information to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network. ### Claim 20 (depends on 11) The method according to claim 11, further comprising the steps of: searching a potentially contaminated facility having a usage history similar to that of the facility determined as high infection risk, and modifying at least one of a communication frequency and information to be transmitted to at least one of the external server, the facility terminal, the external user terminal, and the third party via the network. ### Claim 21 A system for managing facilities, the system comprising an acoustic event detector including an acoustic sensor for detecting an acoustic event in a compartment of a facility, a facility terminal electrically connected to the acoustic event detector, and an external server communicating with the facility terminal via a network, wherein at least one of the facility terminal and the external server comprises a processor, the processor is configured to implement the steps of: extracting a respiratory disease symptom of a user in the facility from the detected acoustic event; assessing at least one of intensity, frequency, and duration of the respiratory disease symptom of the user to determine a severity of the symptom; assessing a ventilation status of the facility indicated by a concentration of carbon dioxide; generating infection risk information associated with an infection risk of a next user expected to use the facility from the severity of the symptom and the ventilation status of the facility; and transmitting the infection risk information to at least one of an external user terminal, the external server, and a third party via the network, and the processor is configured to change a frequency of the transmitting the infection risk information in accordance with the infection risk.