Abstract: According to a first aspect of the present disclosed subject matter, an electronic circuit printed on a substrate by roll-to-roll system having grounding brushes, the electronic circuit, comprising: a plurality of traces; and at least one electrostatic discharge (ESD) collector; wherein the ESD collector envelops the plurality of traces, and wherein the ESD collector is disposed on the substrate to enable electrical contact with the grounding brushes.

Abstract: A system and method for determining and monitoring occupancy level of items placed on a surface are provided. The system comprises receiving frequency words from tags placed on the surface, wherein each tag is configured to transmit a plurality of frequency words; extracting at least one data feature from the plurality of frequency words, wherein each data feature changes in response to an item placed in a proximity to a respective tag; determining, based on the extracted at least one data feature from a group of tags placed on the surface and based on at least one baseline, the occupancy level of items placed on the surface; and reporting the determined occupancy level of items.

Abstract: A method for calibrating a value of an environmental condition derived information supplied by a wireless tag comprises: determining a value of an environmental condition impacting the wireless tag based on (i) information supplied by the wireless tag and (ii) a tag calibration model of the computing system; when a difference between the determined value of the environmental condition and a measurement of the environmental condition made by a user device exceeds a prescribed threshold, updating in real time, the tag calibration model, substituting the measurement of the environmental condition made by the user device for the determined value, and supplying in real time, as an output, the substituted measurement of the environmental condition made by the user device as if it was the value of the environmental condition derived from information supplied by the wireless tag.

Abstract: A tag, comprises: a first loop antenna connected to a chip for harvesting energy at a first frequency and being located on a first side of the chip; a second loop antenna connected to the chip for use in wireless communication using a frequency range and being located on a side of the chip opposite the first side; and a third loop antenna connected to the chip for harvesting energy at a frequency lower than the first frequency and the frequency range and having a portion of its loop (i) proximal to a portion of both the first and second antennas and (ii) extends parallel to a side of the chip perpendicular to the first side, and having a portion that is parallel to the first chip side; wherein a circumference of the third antenna is greater than a greatest circumference of the first and second antennas.

Abstract: A system and method extracting insights from sensed data are provided. The method includes receiving at least one data packet from at least one IoT tag, extracting at least one parameter from the at least one received data packet, where the parameter is a measure of the at least one IoT tag, identifying patterns from the at least one extracted parameter, and determining an insight based on the identified patterns.

Abstract: A multi-band energy harvesting system is provided. The system includes a plurality of harvesting antennas, wherein each of the plurality of harvesting antennas, operates a specific frequency band; and a plurality of harvesting units, wherein each of the plurality of harvesting units is coupled to a respective harvesting antenna and adapted to harvest energy at the specific frequency band of the respective harvesting antenna.

Abstract: A method for determining a location of a battery-less wireless tag by a tag reader being at a fixed-location. The method comprises: transmitting, by the tag reader, at least one wireless signal having a controlled known energy; receiving at the tag reader at least one packet transmitted by the tag within a time window; and responsive to a determination at the tag reader of at least one transmission rate of packets by the wireless tag based on the at least one received packet, determining information regarding the location of the tag.

Abstract: A method for updating a configuration of a bridge in a network comprising at least the bridge, a gateway, and a server, the updating being performed using at least a portion of a protocol for wireless communication between the gateway and the bridge that does not support ACK/NACK messages, comprising: receiving by the server an indication of a current state of the bridge; when that is not a desired state: setting, in the server, the current state of the bridge to pending for the desired state; transmitting a configure request to update the bridge to the desired state; and when, within a predetermined period of time of transmitting the configure request, a completion message is received by the server from the bridge in response to updating the bridge configuration, setting the current state of the bridge to the desired state in the server.

Abstract: A temperature sensor is provided. The temperature sensor comprises: an inductor-capacitor (LC) oscillator configured; and a look-up table stored in a memory, wherein the look-up table contains a set of frequencies as a function of ambient temperature values, wherein when the LC oscillator is calibrated to a frequency from amongst the set of frequencies, the respective ambient temperature as stored in the look-up table is retrieved.

Abstract: Apparatus providing a regulated power supply to an oscillator comprises a reference voltage generator supplying a voltage reference, a regulator producing, based on a voltage received thereat, a regulated supply used by the oscillator which bases its frequency thereon, a capacitor having a terminal coupled to the regulator at a point, and a switch that is coupled to the reference voltage generator and to the point, wherein the closed switch couples the reference voltage generator to the point and wherein the open switch disconnects the point from the reference voltage generator, the switch being closed for a first time period during which a voltage based on the voltage reference from the reference voltage generator is supplied to the regulator and capacitor, and for a second, subsequent, time period the switch is opened and voltage stored on the capacitor is supplied to the regulator.

Abstract: A system and method for method for providing an augmented reality tag viewer are provided. The method includes receiving, by a device, a low-energy encrypted beacon from a tag attached to a product, the beacon uniquely identifies the product; retrieving information about the product identified by the received beacon; determining if the product is present in a field of view of a camera of the device; upon determining that the identified product is present in the field of view of the camera, matching the product in the field of view with the retrieved information; and upon determining that the product in the field of view matches the retrieved information, overlaying an interface over the display to highlight the product.

Abstract: A method and system for measuring an antenna radiation pattern of a harvester antenna printed on a substrate of an Internet of Things (IoT) tag are disclosed. The method includes sweeping a power level of a source radio frequency (RF) signal transmitted at a particular direction, wherein the source RF signal is received by the harvester antenna; measuring a transmission rate of signals transmitted by the IoT tag, wherein the transmission rate is proportional to the power level of a source RF signal received by the harvester antenna; determining if the measured transmission rate is substantially equal to a predefined threshold; registering, at each measured direction, a power level of a signal reaching a transmission rate is substantially equal to the predefined threshold; and plotting the antenna radiation pattern based on the registered power levels.

Abstract: A method for testing a wireless tag by a testing unit. The method comprises: transmitting, by a first antenna, a prescribed pattern that is recognizable by a tag to put the tag into a testing mode; transmitting a trigger signal to a tag from a second antenna, the trigger signal being adapted to cause a tag to at least respond with a prescribed signal when the tag is good; waiting up to a prescribed amount of time after transmission of the trigger signal for a response to the trigger signal from a tag that is within range of the second antenna; when a valid response is received from the tag within the prescribed amount of time, designating the tag as having passed the test; and when a valid response is not received from the tag within the prescribed amount of time, designating the tag as having failed the test.

Abstract: A wakeup circuit operable in a low-power wireless device is provided. The wakeup circuit includes at least one radio frequency rectifier configured to output a rising transient voltage in response to existence of a RF signal received at an antenna of the wireless device; and a detector configured to output a wakeup signal when an input voltage level of the detector is higher than a reference voltage signal, wherein a signal output by the detector upon detection of a wakeup signal causes resetting each of the at least one rectifier upon detection of the wakeup signal; and wherein the wakeup circuit is coupled to an antenna interface of the wireless device.

Abstract: A wireless Internet of things (IoT) tag and a method for measuring energy-charging rate of the energy harvester is provided. The wireless IoT includes at least one antenna configured to harvest an ambient energy; an energy harvester coupled to the at least one antenna; an energy storage coupled to the energy harvester and configured to store harvested energy; and an energy detector configured to the energy storage, wherein the energy detector is configured to measure an energy-charging rate of the energy harvester.

Abstract: A method and system for determining locations of internet of things (IoT) tags are provided. The method includes receiving, during a predefined time window, packets from a plurality of gateways, wherein a received packets include at least sensing signals transmitted from the IoT tags; determining an affinity among the IoT tags based on the sensing signals; determining locations of IoT tags based on the determined affinity and the sensing signals, wherein a location of an IoT tag is a probability that an IoT tag is located in proximity to a gateway; and reporting the determined locations to a user terminal.

Abstract: A system and method for detecting material type using low-energy sensing are disclosed. The method includes receiving frequency words from a tag attached to a container containing material, wherein the tag provides a low-energy sensing configured to transmit the frequency words; extracting at least a first data feature from the received frequency words, wherein the first data feature changes in response to a type of material in the container; classifying the extracted data feature to label a type of the material in the container; and sending a notification indicating the type of material in the container.

Abstract: A system and method for waking up a low-power wireless device is provided. The method includes: initializing a wakeup sensitivity to minimum of a wakeup circuit of the wireless device; searching for at least one beacon by the wakeup circuit; increasing the wakeup sensitivity of the wakeup circuit when the at least one beacon is not found; and setting the wakeup sensitivity to a value at which the least one beacon is received.

Abstract: A method for testing wireless tags by a testing unit, comprising: transmitting a signal to energize a plurality of wireless tags within a testing area of the testing unit substantially simultaneously; waiting a prescribed amount of time sufficient to allow all of the wireless tags in the testing area an opportunity to respond with a transmitted message, each transmitted message including a unique identifier of the wireless tag; determining, based on information as to the identity of which wireless tags are in the testing area and receipt, if any, by the tester of the transmitted messages containing respective unique identifiers from the wireless tags in the testing area, which of the plurality of wireless tags are good and which of the plurality of wireless tags are bad.

Abstract: A method for testing wireless tags by a testing unit, comprising: transmitting a signal to energize a plurality of wireless tags within a testing area of the testing unit substantially simultaneously; waiting a prescribed amount of time sufficient to allow all of the wireless tags in the testing area an opportunity to respond with a transmitted message, each transmitted message including a unique identifier of the wireless tag; determining, based on information as to the identity of which wireless tags are in the testing area and receipt, if any, by the tester of the transmitted messages containing respective unique identifiers from the wireless tags in the testing area, which of the plurality of wireless tags are good and which of the plurality of wireless tags are bad.