Abstract: Systems, methods, and apparatus are provided for using a sweep gas to collect and recover leaked gas. In some embodiments, Helium or Hydrogen is stored in an inner conduit. As light Helium or Hydrogen leaks through the inner conduit, a sweep gas flows through an annular space between the inner conduit and an outer conduit to collect the Helium or Hydrogen. Then, the Helium or Hydrogen is separated from the rest of the sweep gas where the Helium or Hydrogen can be stored again or distributed and sold. In other embodiments, the annular space is between a liner and a steel pipe, and a sweep gas through the annular space protects the steel pipe from Hydrogen that leaks from the liner into the annular space. The embodiments described herein greatly lower the cost for storing or transporting gas such as Helium or Hydrogen at a much higher volume scale.

Abstract: A method for predicting a property of a sample molecule involves, for each of a multitude of reference molecules, obtaining a multitude of fingerprints and at least one property, and obtaining the multitude of fingerprints of the sample molecule. The method further involves for each of the multitude of reference molecules, using each of the multitude of fingerprints, calculating distances to the sample molecule, and for each of the multitude of reference molecules, determining a relative predictive dominance, based on the distances to the sample molecule. The method also involves, for each of the multitude of reference molecules, determining a fitness value based on the relative predictive dominance, and predicting the at least one property of the sample molecule based on the at least one property of the multitude of reference molecules and the fitness values obtained for the reference molecules.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device, for triggering an alarm during a sensor jamming attack. In one aspect, a monitoring system sensor unit is disclosed that includes a sensor, a communication unit configured to communicate with a monitoring system using a range of frequencies, and a jamming detection unit. The jamming detection unit may include a processor and a computer storage media storing instructions that, when executed by the processor, cause the processor to perform operations. The operations include detecting a sensor jamming event, selecting a different form of communication other than the range of radio frequencies for the communication unit to communicate with the monitoring system, and providing, to the communication unit, an instruction to communicate with the monitoring system using the form of communication, wherein the communication unit may communicate, to the monitoring system using the form of communication, the sensor data.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device, for using a drone to pre-surveil a portion of a property. In one aspect, a system may include a monitoring unit. The monitoring unit may include a network interface, a processor, and a storage device that includes instructions to cause the processor to perform operations. The operations may include obtaining data that is indicative of one or more acts of an occupant of the property, applying the obtained data that is indicative of one or more acts of the occupant of the property to a pre-surveillance rule, determining that the pre-surveillance rule is satisfied, determining a drone navigation path that is associated with the pre-surveillance rule, transmitting, to a drone, an instruction to perform pre-surveillance of the portion of the one or more properties using the drone navigation path.

Abstract: A monitoring system is disclosed. The monitoring system includes a monitoring server that is configured to receive a personally identifying code from a visitor to a property monitored by the monitoring system. The monitoring system includes one or more sensors that transmit sensor data to the monitoring server and that are configured to capture a biometric identifier from the visitor to the property monitored by the monitoring system. The monitoring system is configured to compare the received personally identifying code to a stored personally identifying code. The monitoring system is configured to compare the received biometric identifier to a stored biometric identifier. The monitoring system is configured to determine a likelihood that the visitor is the known person. The monitoring system is configured to determine that the likelihood that the visitor is the known person does not satisfy a threshold. The monitoring system is configured to generate an alarm condition.

Abstract: Techniques are described to improve the robustness of communication of critical life safety data when broadband networks are used as uphaul networks. Monitoring systems are examples of critical monitoring appliances, but the techniques described throughout this disclosure may be applied to any type of critical monitoring appliances, such as life-support devices, fire detectors, smoke detectors, and the like.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for visual authentication. In some implementations, a method may include obtaining images of a person at a property; detecting a discontinuity in an appearance of the person in the images of the person at the property; determining that the discontinuity does not correspond to a known occlusion; and providing an indication of a potential spoofing attack.

Abstract: A test manager and media interface (TMMI) may manage testing procedures associated with a test such as a product test, capture media and sensor data associated with the test, and generate a synchronized multimedia presentation based on the captured media and sensor data. A TMMI include: a test environment having: a test applicator for applying a test stimulus to an item under test; a sensor that measures at least one test attribute; and a media capture element that captures media including video of the item under test. The TMMI may include a media interface that generates a graphical user interface including at least a portion of the media captured by the media capture element and the at least one attribute.

Abstract: The invention involves a method for identifying a target protein. The invention involves receiving a request to identify a target protein based on a ligand; identifying, using the ligand, a first protein, where the ligand binds with the first protein to form a ligand-protein complex; generating, a first binding site profile for the first protein, where the first binding site profile describes molecular properties of the first protein; obtaining, from a controlled server, structure data describing molecular properties of surfaces for a multitude of proteins, where the multitude of proteins comprises the target protein; identifying, using the first binding site profile and the structure data, the target protein; and presenting the target protein to a user.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, are described for implementing a smart firearm safety device. The safety device attaches to a firearm having a trigger and a slot for receiving a magazine. The safety device includes a locking mechanism that attaches to the trigger to preclude depressing a trigger of the firearm and a sensor that determines an orientation of the firearm or a relative motion of the firearm to indicate detected movement of the firearm. The safety device also includes a radio device that receives parameter signals from the sensor indicating movement of the firearm. The radio device communicates with a component of a property monitoring system to receive a command to engage the locking mechanism to preclude depressing the trigger of the firearm based on parameter signals indicating a particular type of detected movement of the firearm.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a storage device, for triggering an alarm during a sensor jamming attack. In one aspect, a monitoring system sensor unit is disclosed that includes a sensor, a communication unit configured to communicate with a monitoring system using a range of frequencies, and a jamming detection unit. The jamming detection unit may include a processor and a computer storage media storing instructions that, when executed by the processor, cause the processor to perform operations. The operations include detecting a sensor jamming event, selecting a different form of communication other than the range of radio frequencies for the communication unit to communicate with the monitoring system, and providing, to the communication unit, an instruction to communicate with the monitoring system using the form of communication, wherein the communication unit may communicate, to the monitoring system using the form of communication, the sensor data.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for visual authentication. In some implementations, a method may include obtaining images of a person at a property; detecting a discontinuity in an appearance of the person in the images of the person at the property; determining that the discontinuity does not correspond to a known occlusion; and providing an indication of a potential spoofing attack.

Abstract: A monitoring system is configured to monitor a property. The system includes a sensor that is configured to generate sensor data that reflects an attribute of the property. The system further includes an HVAC system that is configured to generate and provide conditioned air to the property and that is configured to generate HVAC system data that reflects an attribute of the HVAC system. The system includes a monitor control unit that is configured to determine that the HVAC system is likely malfunctioning. The control unit is configured to receive the sensor data. The control unit is configured to determine that the HVAC system is likely operating correctly. The control unit is configured to determine a cause of the HVAC system transitioning from likely malfunctioning to likely operating correctly. The control unit is configured to update a model that is configured to identify causes of HVAC system malfunctions.

Abstract: Techniques are described for providing remote device (e.g., thermostat, lighting, appliance, etc.) control and/or energy monitoring. A system monitors sensor data captured by one or more sensors that sense attributes relevant to user presence at one or more monitored properties and status of one or more energy consuming devices associated with the one or more monitored properties. The system analyzes the monitored sensor data and the monitored device status with respect to a set of one or more rules and performs an operation related to controlling the one or more energy consuming devices based on the analysis of the monitored sensor data and the monitored device status with respect to the set of one or more rules.

Abstract: Techniques are described for energy scoring of a monitored property and users of the monitored property. A system provides users with information related to the efficiency of the monitored property and aggregates data over multiple monitored properties. The system computes and outputs a score for a monitored property that reflects efficiency of the property and/or the users of the property. The system may track how that score changes through time, and how it relates to neighboring properties. The score may be expressed as both a number and a percentile.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a non-transitory computer storage medium, for receiving user-defined routes, each user-defined route including a tripwire of multiple tripwires and a direction, where each user-defined route includes an action of multiple actions executed by a sub-system of a home monitoring system, detecting a first signal at a first tripwire including a first direction, determining a set of user-defined routes including the first tripwire and the first direction, detecting a second signal at a second tripwire including a second direction, determining a particular user-defined route of the set of user-defined routes including the first tripwire and the first direction and the second tripwire and the second direction, determining an action executed by a sub-system of the home monitoring system for the particular user-defined route traversed by a user, and triggering execution of the action based on the second signal at the second tripwire.

Abstract: A surgical tissue connector system for moving a first internal body tissue to a position away from a second internal body tissue and then holding the first internal body tissue in the position. Tissue connectors are secured to cords such that the length of cord between the tissue connectors can be easily adjusted in a laparoscopic work space.

Abstract: Methods, systems, and apparatus, including computer programs, for a monitoring system that is configured to hail a car from a ride-sharing service. The method comprises determining, based on sensor data from one or more sensors at the property, that a person located at the property is preparing to leave the property, based on historical sensor data, an estimated time that the person will depart the property, determining, based on the estimated time that the person will depart the property, whether a suitable vehicle from a ride-sharing service will be within a predetermined vicinity of the property within a predetermined amount of time of the estimated time that the person will depart the property, receiving data indicating that the person is leaving the property and based on receiving the data indicating that the person is leaving the property, notifying the person that the suitable vehicle is available pick the person up.

Abstract: The present disclosure is directed towards a distribution module assembly configured for mounting to a marine vessel and comprising a mounting bracket connected to a housing to aid in the stabilization of the marine vessel moving through water. The distribution module assembly further comprises a printed circuit board, a connector plate, and connectors which may connect to a variety of electronic components which also aid in the stabilization of the marine vessel. The printed circuit board is further configured to interface with various electronic components on the marine vessel such as a software control module, an engine control module, a navigation system, a gyroscopic stabilizer, a water engagement device, an engine, and other similar components that could provide the intended functionality and stability during operation of a marine vessel.

Abstract: A monitoring system is configured to monitor a property. The system includes a sensor that is configured to generate sensor data that reflects an attribute of the property. The system further includes an HVAC system that is configured to generate and provide conditioned air to the property and that is configured to generate HVAC system data that reflects an attribute of the HVAC system. The system includes a monitor control unit that is configured to determine that the HVAC system is likely malfunctioning. The control unit is configured to receive the sensor data. The control unit is configured to determine that the HVAC system is likely operating correctly. The control unit is configured to determine a cause of the HVAC system transitioning from likely malfunctioning to likely operating correctly. The control unit is configured to update a model that is configured to identify causes of HVAC system malfunctions.