Abstract: An electronic device that selectively provides a recommendation is described. During operation, the electronic device may acquire, using one or more sensors, a measurement within an environment that is external to the electronic device, where the measurement provides information associated with a person located in a driver's position or seat in a vehicle, and the measurement includes a non-contact measurement. Then, the electronic device may assess situational awareness of the person based at least in part on the measurement. Moreover, the electronic device may receive a request associated with a partial or fully autonomous vehicle application to transition to manual control of the vehicle. In response to the request, the electronic device may selectively provide the recommendation to the partial or fully autonomous vehicle application to transition to manual control of the vehicle based at least in part on the situational awareness.

Abstract: An electronic device that selectively performs a preventive action is described. During operation, the electronic device may acquire, using one or more sensors, a measurement in an environment that is external to the electronic device, where the measurement provides information associated with an object, and the measurement is a non-contact measurement. Then, the electronic device may detect the object based at least in part on the measurement. Moreover, the electronic device may estimate an intent of the object based at least in part on the measurement. Next, when the estimated intent is associated with a type of adverse event, the electronic device may perform the preventive action prior to an occurrence of the type of adverse event, where the preventive action reduces a probability of the occurrence of the type of adverse event or an amount of financial damage associated with the occurrence of the type of adverse event.

Abstract: An identification device that provides identification information is described. This identification device includes a set of radar reflectors that reflect radar signals having a fundamental wavelength. The set of radar reflectors may be arranged in a pattern corresponding to the identification information. For example, the set of radar reflectors may be passive and retrodirective, where a given radar reflector reflects a radar signal back along its prior direction of propagation. Moreover, the pattern may include regions that reflect the radar signals and second regions that do not reflect or scatter the radar signals. During operation, the identification device may receive the radar signals, and then may selectively reflecting the radar signals using the set of radar reflectors to provide the identification information.

Abstract: An electronic device that selectively performs a remedial action is described. During operation, a measurement sensor in the electronic device remotely performs measurements corresponding to temperatures of a group of individuals. Moreover, an integrated circuit in the electronic device may determine a parameter corresponding to a distribution of inferred temperatures of the group of individuals based at least in part on the measurements. Then, the integrated circuit may identify an individual in the group of individuals based at least in part on the determined parameter and an inferred temperature of the individual. Next, the electronic device may selectively perform the remedial action based at least in part on the identification of the individual.

Abstract: During operation, transmitters in the electronic device provide first and second FMCW radar signals, where carrier frequencies of the first and the second FMCW radar signals have a predefined variation as a function of time over a predefined frequency range, and the predefined variation as a function of time of a second carrier frequency of the second FMCW radar signal has a predefined delay relative to the predefined variation as a function of time of a first carrier frequency of the first FMCW radar signal. Furthermore, at least a receiver in the electronic device receives first and second reflected FMCW radar signals within a bandwidth of the receiver, where, at a given time, a frequency difference between carrier frequencies of the first and the second reflected FMCW radar signals, which corresponds to the predefined delay, is less than the bandwidth (and which may be less than a predefined value).

Abstract: An electronic device that selectively performs a preventive action is described. During operation, the electronic device may acquire, using one or more sensors, a measurement in an environment that is external to the electronic device, where the measurement provides information associated with an object, and the measurement is a non-contact measurement. Then, the electronic device may detect the object based at least in part on the measurement. Moreover, the electronic device may estimate an intent of the object based at least in part on the measurement. Next, when the estimated intent is associated with a type of adverse event, the electronic device may perform the preventive action prior to an occurrence of the type of adverse event, where the preventive action reduces a probability of the occurrence of the type of adverse event or an amount of financial damage associated with the occurrence of the type of adverse event.

Abstract: An electronic device that automatically modifies an environmental control is described. During operation, the electronic device may acquire, using the one or more sensors, a measurement within an environment that is external to the electronic device, where the measurement includes a non-contact measurement associated with a window or one or more biological lifeforms in the environment. Then, the electronic device may determine an environmental condition based at least in part on the measurement. Next, the electronic device may automatically modify the environmental control associated with the environment based at least in part on the environmental condition. For example, the environmental condition may include perception of temperature in the environment by a biological lifeform in the environment, and the environment control may adapt a temperature in at least a portion of the environment that includes the biological lifeform.

Abstract: An electronic device that selectively provides a recommendation is described. During operation, the electronic device may acquire, using one or more sensors, a measurement within an environment that is external to the electronic device, where the measurement provides information associated with a person located in a driver's position or seat in a vehicle, and the measurement includes a non-contact measurement. Then, the electronic device may assess situational awareness of the person based at least in part on the measurement. Moreover, the electronic device may receive a request associated with a partial or fully autonomous vehicle application to transition to manual control of the vehicle. In response to the request, the electronic device may selectively provide the recommendation to the partial or fully autonomous vehicle application to transition to manual control of the vehicle based at least in part on the situational awareness.

Abstract: A circuit board in an electronic device includes a first set of transmit antennas and a first set of receive antennas arranged along an azimuth direction, and a second set of transmit antennas and a second set of receive antennas arranged along a direction that includes components in the azimuth direction and an elevation direction. Moreover, separations between adjacent transmit antennas in the first or second set of transmit antennas along the azimuth direction may be greater than one half of the fundamental wavelength. Furthermore, separations between adjacent receive antennas in the first or second set of receive antennas along the azimuth direction may equal one half of the fundamental wavelength. Additionally, adjacent antennas in the second set of transmit antennas and the second set of receive antennas may be partially offset from each other and partially overlap with each other along the elevation direction.

Abstract: An electronic device that selectively performs a preventive action is described. During operation, the electronic device may acquire, using one or more sensors, a measurement in an environment that is external to the electronic device, where the measurement provides information associated with an object, and the measurement is a non-contact measurement. Then, the electronic device may detect the object based at least in part on the measurement. Moreover, the electronic device may estimate an intent of the object based at least in part on the measurement. Next, when the estimated intent is associated with a type of adverse event, the electronic device may perform the preventive action prior to an occurrence of the type of adverse event, where the preventive action reduces a probability of the occurrence of the type of adverse event or an amount of financial damage associated with the occurrence of the type of adverse event.

Abstract: A circuit board in an electronic device includes a first set of transmit antennas and a first set of receive antennas arranged along an azimuth direction, and a second set of transmit antennas and a second set of receive antennas arranged along a direction that includes components in the azimuth direction and an elevation direction. Moreover, separations between adjacent transmit antennas in the first or second set of transmit antennas along the azimuth direction may be greater than one half of the fundamental wavelength. Furthermore, separations between adjacent receive antennas in the first or second set of receive antennas along the azimuth direction may equal one half of the fundamental wavelength. Additionally, adjacent antennas in the second set of transmit antennas and the second set of receive antennas may be partially offset from each other and partially overlap with each other along the elevation direction.

Abstract: An identification device that provides identification information is described. This identification device includes a set of radar reflectors that reflect radar signals having a fundamental wavelength. The set of radar reflectors may be arranged in a pattern corresponding to the identification information. For example, the set of radar reflectors may be passive and retrodirective, where a given radar reflector reflects a radar signal back along its prior direction of propagation. Moreover, the pattern may include regions that reflect the radar signals and second regions that do not reflect or scatter the radar signals. During operation, the identification device may receive the radar signals, and then may selectively reflecting the radar signals using the set of radar reflectors to provide the identification information.

Abstract: During a measurement technique, an electronic device may receive first sensor information associated with a first field of view and a first timestamp, and second sensor information associated with a second field of view and a second timestamp. For example, the electronic device may perform a first measurement using a first sensor and performing a second, different type of measurement using a second sensor. Therefore, the first sensor information and the second sensor information may be associated with different types of sensors. Moreover, the first timestamp and the second timestamp may be concurrent or in close temporal proximity, and the first field of view and the second field of view may at least substantially overlap. Then, the electronic device may store the first sensor information and the second sensor information in memory. In some embodiments, the electronic device stores the first timestamp and the second timestamp in the memory.

Abstract: An electronic device that selectively performs a preventive action is described. During operation, the electronic device may acquire, using one or more sensors, a measurement in an environment that is external to the electronic device, where the measurement provides information associated with an object, and the measurement is a non-contact measurement. Then, the electronic device may detect the object based at least in part on the measurement. Moreover, the electronic device may estimate an intent of the object based at least in part on the measurement. Next, when the estimated intent is associated with a type of adverse event, the electronic device may perform the preventive action prior to an occurrence of the type of adverse event, where the preventive action reduces a probability of the occurrence of the type of adverse event or an amount of financial damage associated with the occurrence of the type of adverse event.

Abstract: During a location technique, a sensor module in a vehicle, which has non-retractable wheels in contact with a driving surface, determines a location of the vehicle. In particular, the sensor module is positioned on or in a direction of a side-facing surface of the vehicle. Moreover, during operation, the sensor module may transmit radar signals approximately perpendicular to a direction of motion of the vehicle. Then, the sensor module may receive reflected radar signals. Furthermore, the sensor module may analyze a time sequence of the reflected radar signals. Next, the sensor module may determine the location of the vehicle based at least in part on the analyzed time sequence of reflected radar signals.

Abstract: During a measurement technique, an electronic device may receive first sensor information associated with a first field of view and a first timestamp, and second sensor information associated with a second field of view and a second timestamp. For example, the electronic device may perform a first measurement using a first sensor and performing a second, different type of measurement using a second sensor. Therefore, the first sensor information and the second sensor information may be associated with different types of sensors. Moreover, the first timestamp and the second timestamp may be concurrent or in close temporal proximity, and the first field of view and the second field of view may at least substantially overlap. Then, the electronic device may store the first sensor information and the second sensor information in memory. In some embodiments, the electronic device stores the first timestamp and the second timestamp in the memory.