Patents by Inventor RAGHU ARUNACHALAM
RAGHU ARUNACHALAM 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).
-
Patent number: 11889385Abstract: Beacon systems include a beacon including a transmitter, a processor, and a sensor for collecting sensor data, wherein the beacon broadcasts a beacon message comprising informational data based on a value of the sensor data and data regarding a minimum received signal strength for the relevance of the beacon message. The beacon system may include a receiving device, wherein the receiving device comprises a processor and an alarm adapted to be triggered by the beacon message, wherein the processor determines a relevance of the beacon message by comparing the minimum received signal strength for the relevance of the beacon message to an actual received signal strength of the beacon message, wherein, if the actual received signal strength is greater than or equal to the minimum received signal strength, the receiving device is within a range of relevance and the alarm is triggered.Type: GrantFiled: May 26, 2022Date of Patent: January 30, 2024Assignee: Industrial Scientific CorporationInventors: Raghu Arunachalam, L. Robert Crouthamel
-
Patent number: 11722949Abstract: A static memory device including an instrument, a wireless radio, a shared memory, an outgoing memory portion and an incoming memory portion. The instrument includes an environmental sensing device, a hazard detection device, and/or an industrial safety device. The wireless radio sends and receives information on a wireless mesh network. The shared memory is connected to the instrument and wireless radio and includes static message memory having static messages related to the instrument. The outgoing memory portion receives outgoing information from the instrument and transmits the outgoing information to the wireless radio for transmission on the wireless mesh network. The incoming memory portion receives incoming information from the wireless radio and transmits the incoming information to the instrument. The shared memory restricts the wireless radio and the instrument from both raising grant lines and granting data to either the incoming memory portion or the outgoing memory portion simultaneously.Type: GrantFiled: March 12, 2021Date of Patent: August 8, 2023Assignee: Industrial Scientific CorporationInventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Patent number: 11582681Abstract: Disclosed is a tangible article of manufacture having instructions stored thereon that, when executed, cause a machine to perform operations for tracking an operator and operator status using a safety device. The operations include programming a plurality of NFC tags with assignment information, wherein the assignment information is at least one of a location assignment for NFC tags being placed at particular locations and an instrument operator assignment for NFC tags distributed to multi-gas detection instrument operators. The instructions further include receiving temporary assignment information at the safety device when an NFC radio of the safety device is brought in proximity to at least one of the plurality of NFC tags; and tagging safety device data with the temporary assignment information.Type: GrantFiled: January 9, 2020Date of Patent: February 14, 2023Assignee: INDUSTRIAL SCIENTIFIC CORPORATIONInventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Publication number: 20220295231Abstract: Beacon systems include a beacon including a transmitter, a processor, and a sensor for collecting sensor data, wherein the beacon broadcasts a beacon message comprising informational data based on a value of the sensor data and data regarding a minimum received signal strength for the relevance of the beacon message. The beacon system may include a receiving device, wherein the receiving device comprises a processor and an alarm adapted to be triggered by the beacon message, wherein the processor determines a relevance of the beacon message by comparing the minimum received signal strength for the relevance of the beacon message to an actual received signal strength of the beacon message, wherein, if the actual received signal strength is greater than or equal to the minimum received signal strength, the receiving device is within a range of relevance and the alarm is triggered.Type: ApplicationFiled: May 26, 2022Publication date: September 15, 2022Inventors: Raghu Arunachalam, L. Robert Crouthamel
-
Patent number: 11412441Abstract: A system including a plurality of network devices including one or more worker monitoring devices and one or more area monitoring devices is provided. The plurality of network devices monitor at least one of a peer alarm, a worker biometric datum or an area environmental datum. The plurality of network devices are structured to communicate with one another in an ad-hoc wireless mesh network. A first network device of the plurality of network devices transmits the at least one peer alarm, worker biometric datum or area environmental datum for presentation on a second network device of the plurality of network devices.Type: GrantFiled: January 28, 2020Date of Patent: August 9, 2022Assignee: Industrial Scientific CorporationInventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Patent number: 11356807Abstract: Beacon systems include a beacon including a transmitter, a processor, and a sensor for collecting sensor data, wherein the beacon broadcasts a beacon message comprising informational data based on a value of the sensor data and data regarding a minimum received signal strength for the relevance of the beacon message. The beacon system may include a receiving device, wherein the receiving device comprises a processor and an alarm adapted to be triggered by the beacon message, wherein the processor determines a relevance of the beacon message by comparing the minimum received signal strength for the relevance of the beacon message to an actual received signal strength of the beacon message, wherein, if the actual received signal strength is greater than or equal to the minimum received signal strength, the receiving device is within a range of relevance and the alarm is triggered.Type: GrantFiled: April 27, 2020Date of Patent: June 7, 2022Assignee: Industrial Scientific CorporationInventors: Raghu Arunachalam, L. Robert Crouthamel
-
Publication number: 20220132396Abstract: Mobile gateway devices for connecting to a wireless mesh network having a plurality of nodes include a wireless radio module structured to communicate with the plurality of nodes via the wireless mesh network, wherein the plurality of nodes includes at least one instrument to collect information; and a computer structured to: receive the information from the plurality of nodes via the wireless radio module; and transmit the information to a remote server via a satellite connection.Type: ApplicationFiled: November 22, 2021Publication date: April 28, 2022Inventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Patent number: 11202247Abstract: A method of providing information about a leader node to a plurality of follower nodes in a wireless mesh communication network is provided. The method includes designating the leader node; designating the plurality of follower nodes; and designating one or more predetermined frequency ranges as a public channel. The method further includes from the leader node and during a plurality of network intervals having a predetermined length of time, transmitting a sync message at a beginning of each network interval to the plurality of follower nodes. The method further includes during each network interval in which a sync message is received by any one of the plurality of follower nodes, transmitting from any of the plurality of follower nodes receiving a sync message, on the public channel, a message advertising at least one property of the leader node after receipt of the sync message.Type: GrantFiled: January 9, 2020Date of Patent: December 14, 2021Assignee: Industrial Scientific CorporationInventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Patent number: 11115906Abstract: A static memory device including an instrument, a wireless radio, a shared memory, an outgoing memory portion and an incoming memory portion. The instrument includes an environmental sensing device, a hazard detection device, and/or an industrial safety device. The wireless radio sends and receives information on a wireless mesh network. The shared memory is connected to the instrument and wireless radio and includes static message memory having static messages related to the instrument. The outgoing memory portion receives outgoing information from the instrument and transmits the outgoing information to the wireless radio for transmission on the wireless mesh network. The incoming memory portion receives incoming information from the wireless radio and transmits the incoming information to the instrument. The shared memory restricts the wireless radio and the instrument from both raising grant lines and granting data to either the incoming memory portion or the outgoing memory portion simultaneously.Type: GrantFiled: January 9, 2020Date of Patent: September 7, 2021Assignee: Industrial Scientific CorporationInventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Patent number: 11096116Abstract: A wireless mesh network including a leader node and a plurality of follower nodes is provided. The leader node transmits a sync message to the plurality of follower nodes indicating a beginning of a network interval. The leader node and the plurality of follower nodes transmit information during a transmission period of the network interval and do not transmit information during a sleep period of the network interval. The leader node and the plurality of follower nodes use less power in the sleep period than in the transmission period; and the plurality of follower nodes each include a timer adapted to time the transmission period and the sleep period for each of a plurality of future network intervals in an absence of continued receipt of the sync message from the leader node during the plurality of future network intervals.Type: GrantFiled: January 9, 2020Date of Patent: August 17, 2021Assignee: Industrial Scientific CorporationInventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Patent number: 11096117Abstract: A network for connecting a plurality of network nodes including a leader node and a plurality of follower nodes is provided. The leader node transmits a sync message to the plurality of follower nodes indicating a beginning of a network interval. The sync message contains data indicating a number of network nodes in the network. The leader node and the plurality of follower nodes transmit information during a transmission period of the network interval and do not transmit information during a sleep period of the network interval. The network interval is of a fixed length of time, the transmission period is of a variable length of time based upon the number of network nodes in the network, and the sleep period includes remaining time of the network interval after the transmission period.Type: GrantFiled: January 9, 2020Date of Patent: August 17, 2021Assignee: Industrial Scientific CorporationInventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Publication number: 20210204195Abstract: A static memory device including an instrument, a wireless radio, a shared memory, an outgoing memory portion and an incoming memory portion. The instrument includes an environmental sensing device, a hazard detection device, and/or an industrial safety device. The wireless radio sends and receives information on a wireless mesh network. The shared memory is connected to the instrument and wireless radio and includes static message memory having static messages related to the instrument. The outgoing memory portion receives outgoing information from the instrument and transmits the outgoing information to the wireless radio for transmission on the wireless mesh network. The incoming memory portion receives incoming information from the wireless radio and transmits the incoming information to the instrument. The shared memory restricts the wireless radio and the instrument from both raising grant lines and granting data to either the incoming memory portion or the outgoing memory portion simultaneously.Type: ApplicationFiled: March 12, 2021Publication date: July 1, 2021Inventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Publication number: 20200260228Abstract: Beacon systems include a beacon including a transmitter, a processor, and a sensor for collecting sensor data, wherein the beacon broadcasts a beacon message comprising informational data based on a value of the sensor data and data regarding a minimum received signal strength for the relevance of the beacon message. The beacon system may include a receiving device, wherein the receiving device comprises a processor and an alarm adapted to be triggered by the beacon message, wherein the processor determines a relevance of the beacon message by comparing the minimum received signal strength for the relevance of the beacon message to an actual received signal strength of the beacon message, wherein, if the actual received signal strength is greater than or equal to the minimum received signal strength, the receiving device is within a range of relevance and the alarm is triggered.Type: ApplicationFiled: April 27, 2020Publication date: August 13, 2020Inventors: Raghu Arunachalam, L. Robert Crouthamel
-
Publication number: 20200227926Abstract: The present disclosure describes a method for communicating sensor data to a remote server, the method according to one disclosed non-limiting embodiment of the present disclosure can include transferring network credentials to a sensing device, inserting a new battery into the sensing device, transferring the network credentials from the sensing device to the new battery, transferring a subset of data from one or more sensors of the sensing device to the new battery, establishing communications with a remote server using the network credentials, and sending the subset of data to the remote server.Type: ApplicationFiled: December 30, 2019Publication date: July 16, 2020Inventors: Lisa McCracken, Benjamin Haas, Jonathan Eric Dinsmore, Raghu Arunachalam
-
Patent number: 10694336Abstract: A system for creating of list of active beacons includes at least one receiving device, comprising a receiver adapted to receive a beacon broadcast from one or more of a plurality of beacons, resulting in one or more received beacon broadcasts, a processor, a memory, and a smart beacon application. For each received beacon broadcast comprising informational data and data regarding a range of relevance for that beacon, the smart beacon application: 1) determines whether the beacon is relevant by comparing a strength of the received beacon broadcast to the range of relevance in the beacon broadcast, and 2) creates a list of relevant beacons.Type: GrantFiled: September 13, 2017Date of Patent: June 23, 2020Assignee: Industrial Scientific CorporationInventors: Raghu Arunachalam, L. Robert Crouthamel
-
Patent number: 10674317Abstract: Systems for muster include an entrance receiving device in a location adapted to receive a plurality of beacon broadcasts from one or more of a plurality of mobile beacons, each associated with a worker and broadcasting an identification ID of the worker, to create an on-site record of workers entering or exiting the location. The system includes a muster site receiving device at a muster site to record an identification ID from beacon broadcasts of workers at the muster site. The on-site record is compared to the recorded muster site IDs to determine if all workers have mustered. Alarms may be triggered if not.Type: GrantFiled: September 19, 2017Date of Patent: June 2, 2020Assignee: Industrial Scientific CorporationInventors: Raghu Arunachalam, L. Robert Crouthamel
-
Publication number: 20200169945Abstract: A system including a plurality of network devices including one or more worker monitoring devices and one or more area monitoring devices is provided. The plurality of network devices monitor at least one of a peer alarm, a worker biometric datum or an area environmental datum. The plurality of network devices are structured to communicate with one another in an ad-hoc wireless mesh network. A first network device of the plurality of network devices transmits the at least one peer alarm, worker biometric datum or area environmental datum for presentation on a second network device of the plurality of network devices.Type: ApplicationFiled: January 28, 2020Publication date: May 28, 2020Inventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Publication number: 20200154343Abstract: A static memory device including an instrument, a wireless radio, a shared memory, an outgoing memory portion and an incoming memory portion. The instrument includes an environmental sensing device, a hazard detection device, and/or an industrial safety device. The wireless radio sends and receives information on a wireless mesh network. The shared memory is connected to the instrument and wireless radio and includes static message memory having static messages related to the instrument. The outgoing memory portion receives outgoing information from the instrument and transmits the outgoing information to the wireless radio for transmission on the wireless mesh network. The incoming memory portion receives incoming information from the wireless radio and transmits the incoming information to the instrument. The shared memory restricts the wireless radio and the instrument from both raising grant lines and granting data to either the incoming memory portion or the outgoing memory portion simultaneously.Type: ApplicationFiled: January 9, 2020Publication date: May 14, 2020Inventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Publication number: 20200154344Abstract: Disclosed is a tangible article of manufacture having instructions stored thereon that, when executed, cause a machine to perform operations for tracking an operator and operator status using a safety device. The operations include programming a plurality of NFC tags with assignment information, wherein the assignment information is at least one of a location assignment for NFC tags being placed at particular locations and an instrument operator assignment for NFC tags distributed to multi-gas detection instrument operators. The instructions further include receiving temporary assignment information at the safety device when an NFC radio of the safety device is brought in proximity to at least one of the plurality of NFC tags; and tagging safety device data with the temporary assignment information.Type: ApplicationFiled: January 9, 2020Publication date: May 14, 2020Inventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck
-
Publication number: 20200154342Abstract: A method of providing information about a leader node to a plurality of follower nodes in a wireless mesh communication network is provided. The method includes designating the leader node; designating the plurality of follower nodes; and designating one or more predetermined frequency ranges as a public channel. The method further includes from the leader node and during a plurality of network intervals having a predetermined length of time, transmitting a sync message at a beginning of each network interval to the plurality of follower nodes. The method further includes during each network interval in which a sync message is received by any one of the plurality of follower nodes, transmitting from any of the plurality of follower nodes receiving a sync message, on the public channel, a message advertising at least one property of the leader node after receipt of the sync message.Type: ApplicationFiled: January 9, 2020Publication date: May 14, 2020Inventors: L. Robert Crouthamel, Raghu Arunachalam, Benjamin Haas, Henry Xin, Lisa McCracken, Scott Jubeck