In one embodiment, a method for classifying an encrypted flow includes receiving a plurality of packets associated with an encrypted flow traversing a network, collecting telemetry data from the flow without decrypting the flow, sending the telemetry data to a backend system for classification, using the telemetry data to classify the flow using a machine learning classifier, creating a classification response, and using the classification response to modify processing of the flow. In another embodiment, a method for classifying an encrypted flow includes receiving a plurality of packets associated with an encrypted flow traversing a network, collecting telemetry data from the first plurality of packets associated with the flow, sending the telemetry data to a backend system for classification, using the telemetry data to classify the flow using a machine learning classifier, and using the output of the classifier to modify processing of the flow.

The clamping device may include (1) a monitoring device for a powerline conductor, where the monitoring device includes (a) at least one detection component that detects at least one physical characteristic at a location of the monitoring device, (b) a transmitter that wirelessly transmits data indicating the at least one physical characteristic, and (c) a receiver that wirelessly receives data indicating the at least one physical characteristic from at least one other monitoring device, where the transmitter retransmits the data indicating the at least one physical characteristic from the at least one other monitoring device, and (2) a container that retains the monitoring device such that one or more of the at least one detection component is maintained proximate the powerline conductor. The clamping device clamps a fiber optic cable to the powerline conductor to restrict movement of the fiber optic cable relative to the powerline conductor.

A spa is provided including a frame, a shell mounted to the frame defining a basin for holding water, at least one sensor for monitoring a spa component or water condition, a communications interface including a cellular transceiver, and a battery for providing power to the at least one sensor and to the communications interface when the spa is not connected to a power source. The spa also includes a controller in electrical communication with the at least one sensor and the communications interface. The controller is configured to, while the spa is not connected to the power source, receive information from the at least one sensor, process the received information, and cause the communications interface to wirelessly transmit the processed information to a remote source or central server.

Disclosed is a master battery management system (BMS) including: a transmission unit for transmitting a cell balancing start command signal and a temperature measurement command signal to a plurality of slave BMSs; a wired communication unit for transmitting a FAN ON signal to a plurality of fans after the transmission unit wirelessly transmits the cell balancing start command signal; a reception unit for receiving an association signal from an associated slave BMS having a difference in temperature of a printed circuit board (PCB) board of a corresponding slave BMS and a temperature of a PCB substrate of a corresponding slave BMS that is greater than a preset value; and a control unit for determining that the associated slave BMS is disposed in the same rack, and changing an ID and communication channel of the associated slave BMS to a specific value.

Methods and systems for remote monitoring of a portable generator. A method for monitoring portable generators includes removably attaching a telemetry module to a portable generator, the telemetry module including a processor, a service provider cable modem, and sensors for obtaining telemetry data from the portable generator, sending, to a service provider system via the service provider cable modem and over a service provider coaxial cable system, portable generator telemetry data when the portable generator is active, receiving, by the service provider cable modem from the service provider system, control commands based on actionable data generated from the portable generator telemetry data, and executing, by the processor, the control commands on the portable generator.

A subsurface impact protection system for protecting an underground structure is provided. The protection system includes a subsurface polymer layer above the underground structure which is configured to absorb above-ground impact force from reaching the underground structure. A sensor network is embedded in the polymer layer. The sensor network includes a plurality of sensors configured to monitor the polymer layer by generating a corresponding plurality of sensor signals of conditions near the polymer layer and transmitting the generated sensor signals to one or more external receivers. In some embodiments, the polymer layer includes a protective mesh made up of a plurality of high density polyethylene (HDPE) strands in a woven pattern. In one such embodiment, the sensors occupy gaps in the protective mesh. A method of protecting an underground structure is also provided.

A sensor 1 is arranged to read data transmitted on a digital vehicle network. The sensor comprises a wire holding unit 3, and a sensing unit 5. The wire holding unit and sensing unit are connectable to one another, the sensor further comprising a locking mechanism to lock the wire holding unit and the sensing unit together, when the wire holding unit and sensing unit are connected to one another.

A communication system comprising: a digital serial bus, and a master device and at least one slave device connected to the bus. The master and the slave(s) are adapted to communicate according to a predefined communication protocol. The master is adapted for transmitting a continuous bitstream in the form of a plurality of frames, such that each frame comprises one or more words. Each word has a constant time duration, with the first word of each frame being a unique word transmitted by the master for indicating the start of a frame. One or more bits each word is transmitted by the master as a dominant bit; a non-dominant bit, for allowing the at least one slave to overwrite. The at least one slave is adapted for overwriting in the continuous bitstream some non-dominant bits to transmit data in a quasi-synchronous manner.

The clamping device may include (1) a monitoring device for a powerline conductor, where the monitoring device includes (a) at least one detection component that detects at least one physical characteristic at a location of the monitoring device, (b) a transmitter that wirelessly transmits data indicating the at least one physical characteristic, and (c) a receiver that wirelessly receives data indicating the at least one physical characteristic from at least one other monitoring device, where the transmitter retransmits the data indicating the at least one physical characteristic from the at least one other monitoring device, and (2) a container that retains the monitoring device such that one or more of the at least one detection component is maintained proximate the powerline conductor. The clamping device clamps a fiber optic cable to the powerline conductor to restrict movement of the fiber optic cable relative to the powerline conductor.

This wireless sensor system includes: one or a plurality of wireless terminal devices each configured to transmit data including sensor information indicating a result of measurement by a sensor; a management device; and a plurality of relay devices configured to relay the data received from the wireless terminal devices, to the management device or another relay device. Each of the relay devices transmits, to the management device, communication state information from one or a plurality of the wireless terminal devices to the relay device. On the basis of the communication state information received from each relay device, the management device transmits, to a relay device as a target, relay permissibility information that enables discernment, for each target terminal which is one or a plurality of the wireless terminal devices, as to whether or not relay by the relay device of the data from the target terminal is permitted.