Abstract: A vehicle with an automatic report function includes a transmitter configured to transmit, to a server apparatus for requesting emergency dispatch, emergency information of the vehicle when a collision of the vehicle is detected or forecasted, a global navigation satellite system (GNSS) receiver configured to receive signal waves and generate a location of the vehicle, a storage configured to store the location generated by the GNSS receiver, and a controller configured to collect information from the vehicle and cause the transmitter to transmit the information as the emergency information when the collision of the vehicle is detected or forecasted. When the collision of the vehicle is detected or forecasted, the controller determines whether the location is acquirable from the GNSS receiver and, when the location is not acquirable, collects a previously generated location and causes the transmitter to transmit the previously generated location to the server apparatus.

Abstract: The disclosed technology includes a collar that can output a first corrective action having a first correction magnitude, detect feedback information, and determine a second correction magnitude based at least in part on the feedback information. The collar can output a second corrective action responsive to determining that the collar is within a predetermined distance from an adverse device. The collar can receive map data and automatically determine a first geographical area in which it is permissible for a collar to be located and/or a second geographical area in which it is impermissible for the collar to be located, the collar being related to the system.

Abstract: This application relates to an apparatus for generating a global navigation satellite system (GNSS) signal. In one aspect, the apparatus includes a receiver configured to receive and store GNSS navigation information, receive a real-time satellite signal, and calculate a frequency shift value of the real-time satellite signal with respect to a default carrier frequency based on the real-time satellite signal. The apparatus may also include at least one signal generator configured to receive the GNSS navigation information from the receiver, and generate pseudo GNSS signal information corresponding to a current time and a current location based on the GNSS navigation information and the frequency shift value. The apparatus may further include a transmitter configured to generate a pseudo GNSS signal based on the pseudo GNSS signal information, and amplify and output the pseudo GNSS signal, wherein the GNSS navigation information indicates an estimated location of a GNSS satellite over time.

Abstract: A tracking system determines a location of a tracking device associated with a user using one or more access points at the location. Each access point at the location is configured to detect and couple with the tracking device when the tracking device is within a communicative range of the access point. An access point provides updates on the tracking device's presence, as well as the tracking device's arrival to and departure from the communicative range of the access point, to a tracking server. The tracking server determines, from these updates, whether the tracking device is at the location. The user may be notified, via a mobile device, of the tracking device's location.

Abstract: The present disclosure includes devices, and systems for monitoring and detection systems. Some of the methods may include monitoring one or more birds that each has a receiver-located tag and/or a global positioning satellite (GPS) tag, and for each of the bird(s) having a receiver-located tag: receiving, at at least one of a plurality of detection stations, a signal from the receiver-located tag, each of the detection stations comprising two or more directional antennas, determining bird heading information and bird distance information, estimating a position and trajectory of the bird; and calculating an amount of time for the bird to reach a boundary around a wind turbine (TTB). In some methods, for each of the bird(s) having a GPS tag: receiving GPS data from the GPS tag when the bird crosses a geo-fence that surrounds the wind turbine; estimating a position and trajectory of the bird.

Abstract: An example computing device includes a tracking device, an interface, a processor, and a controller. The interface including a power pin, a data pin, and a clock pin, where the interface is to couple the tracking device to the computing device via the power pin and the data pin, and the clock pin is disconnected from the tracking device. The controller is communicatively coupled to the processor and the interface, the controller is to control an operation of the tracking device via the data pin.

Abstract: A tracking system determines a location of a tracking device associated with a user using one or more access points at the location. Each access point at the location is configured to detect and couple with the tracking device when the tracking device is within a communicative range of the access point. An access point provides updates on the tracking device's presence, as well as the tracking device's arrival to and departure from the communicative range of the access point, to a tracking server. The tracking server determines, from these updates, whether the tracking device is at the location. The user may be notified, via a mobile device, of the tracking device's location.

Abstract: Systems, methods, devices, computer readable media, and other various embodiments are described for location management processes in wearable electronic devices. Performance of such devices is improved with reduced time to first fix of location operations in conjunction with low-power operations. In one embodiment, low-power circuitry manages high-speed circuitry and location circuitry to provide location assistance data from the high-speed circuitry to the low-power circuitry automatically on initiation of location fix operations as the high-speed circuitry and location circuitry are booted from low-power states. In some embodiments, the high-speed circuitry is returned to a low-power state prior to completion of a location fix and after capture of content associated with initiation of the location fix. In some embodiments, high-speed circuitry is booted after completion of a location fix to update location data associated with content.

Abstract: A system, method, and non-transitory computer readable medium for using a smart collar to monitor a pet are described. The system includes a smart collar, a mobile computing device including a display screen, and a pet monitoring mobile application stored on the mobile computing device. The smart collar includes a global positioning receiver, a communications device, an organic light-emitting diode (OLED) display, a rechargeable battery, and a microcontroller. The microcontroller calculates a distance of a current location of the smart collar from a desired location, determines when the distance is greater than a first distance threshold, and generates a communications packet including the current location, the perimeter, and the distance of the smart collar from the desired location, and transmits the communications packet. The mobile computing device receives the communications packet, and the pet monitoring mobile application displays the current location on a display screen of the mobile computing device.

Abstract: A system, method, and non-transitory computer readable medium for using a smart collar to monitor a pet are described. The system includes a smart collar, a mobile computing device including a display screen, and a pet monitoring mobile application stored on the mobile computing device. The smart collar includes a global positioning receiver, a communications device, an organic light-emitting diode (OLED) display, a rechargeable battery, and a microcontroller. The microcontroller calculates a distance of a current location of the smart collar from a desired location, determines when the distance is greater than a first distance threshold, and generates a communications packet including the current location, the perimeter, and the distance of the smart collar from the desired location, and transmits the communications packet. The mobile computing device receives the communications packet, and the pet monitoring mobile application displays the current location on a display screen of the mobile computing device.

Abstract: The present disclosure relates to an information gathering method. The information gathering method includes identifying a location of a package, the location associated with one or more location-based restrictions on collecting data. The information gathering method also includes restricting access to sensor-collectable data associated with the package in accordance with the one or more location-based restrictions.

Abstract: A system and method providing for ascertaining the status of a user and escalating an alarm in the event the user is ascertained to be disposed in a dangerous condition. The of the invention attempts to contact the user at a predetermined check-in time, and notifies a pre-designated third-party which may be an emergency responder such as law enforcement or other emergency contact in the event that the user fails to respond to the check in request or signals that they are in danger using an escalate feature of the invention. The system operates autonomously to notify pre-designated emergency contacts or emergency responders in the case in which a user has been rendered unable to respond. The user may identify specific individuals with whom they plan to meet and the invention may also track the user's geo-location. The invention may also monitor biometric data of the user.

Abstract: A method of vehicle accident response includes generating, by a mobile device located inside a vehicle, telematics data associated with operation of the vehicle, and transmitting, from the mobile device to one or more processors via wireless communication, the telematics data. The method also includes analyzing the telematics data to determine that an accident involving the vehicle has occurred, analyzing the telematics data to determine a likelihood of injury due to the accident, and generating a communication (i) based upon the telematics data and the likelihood of injury and (ii) in response to determining that the accident has occurred. The method further includes transmitting, to the mobile device, the communication.

Abstract: A system, method, and non-transitory computer readable medium for using a smart collar to monitor a pet are described. The system includes a smart collar, a mobile computing device including a display screen, and a pet monitoring mobile application stored on the mobile computing device. The smart collar includes a global positioning receiver, a communications device, an organic light-emitting diode (OLED) display, a rechargeable battery, and a microcontroller. The microcontroller calculates a distance of a current location of the smart collar from a desired location, determines when the distance is greater than a first distance threshold, and generates a communications packet including the current location, the perimeter, and the distance of the smart collar from the desired location, and transmits the communications packet. The mobile computing device receives the communications packet, and the pet monitoring mobile application displays the current location on a display screen of the mobile computing device.

Abstract: A method of monitoring swimming activity includes: determining at least one of an actual relationship of a mobile device to water or an expected relationship of the mobile device to water; determining ranges to satellites, based on signals received by a satellite positioning system (SPS) receiver of the mobile device, in response to the signals being received by the SPS receiver when the at least one of the actual relationship of the mobile device to water or the expected relationship of the mobile device to water is a desired relationship of the mobile device to water; and determining a location of the mobile device based on the ranges to the satellites.

Abstract: A pet tracking assembly includes a collar that is wearable around a neck of a pet. A light emitter is coupled to the collar to emit light outwardly from the collar when the light emitter is turned on. A monitoring unit is integrated into the collar and the monitoring unit is in wireless communication with a wireless internet router that is associated with the owner of the pet. The light emitter is turned on when the monitoring unit senses the signal from the wireless internet router has fallen below a pre-determined signal strength. Additionally, the monitoring unit broadcasts an alert to a personal electronic device when the monitoring unit senses the signal from the wireless internet router has fallen below the pre-determined signal strength. In this way the user is alerted that the pet has moved beyond the pre-determined distance from the wireless internet router.

Abstract: An aerosol delivery device is provided that includes at least one housing enclosing a reservoir configured to retain an aerosol precursor composition and a heating element controllable to activate and vaporize components of the aerosol precursor composition. The aerosol delivery device also includes an antenna configured to receive radio signals from satellites of a satellite navigation system, and convert the radio signals to corresponding electronic signals and a satellite navigation receiver module configured to receive the corresponding electronic signals and determine a position of the aerosol delivery device based thereon, and output a message that indicates the position so determined. And the aerosol delivery device includes a microprocessor configured to receive the message and control operation of at least one functional element of the aerosol delivery device based on the position indicated thereby.

Abstract: A method of verifying a potential detection of a man overboard event recorded as a moving object in a plurality of sequential frames of image data in respect of a duration of a time window comprises receiving (900) ranging track data in respect of the time window. A geometric chord is then identified that intersects a start point and an end point of a path described by a ranging track of the ranging track data. A height of the start point and an angle defined by a convergence of the chord and a vertical are then determined (902, 906). The height and the angle are then compared relative to a boundary line in order to classify (910) the path described by the ranging track in relation to a man overboard event, thereby validating the potential detection.

Abstract: A reinforcement information adjustment unit reduces an amount of information in reinforcement information by combining: update cycle adjustment processing to set an update cycle of the reinforcement information to be an integer multiple of a predetermined update cycle; geographic interval error value adjustment processing to reduce the number of geographic interval error values by selecting from among a plurality of the geographic interval error values each of which is an error at every predetermined geographic interval out of a plurality of error values, a geographic interval error value at every geographic interval that is an integer multiple of the predetermined geographic interval; and bit count adjustment processing to reduce a bit count of the error value for each error value. A reinforcement information output unit outputs, to an output destination, reinforcement information after being reduced in the amount of information by the reinforcement information adjustment unit.

Abstract: An emergency notification apparatus includes: a position detector that sequentially detects a position of a subject vehicle; a notification portion that issues an emergency notification; a map information acquisition portion that acquires map information around the subject vehicle; and a correction portion that sequentially corrects the position of the subject vehicle by sequentially performing map matching. The notification portion issues the emergency notification that includes the position of the subject vehicle corrected by the correction portion in a case where the state of emergency of the subject vehicle has been caused in the subject vehicle, and also in a case where the correction portion sequentially corrects the position of the subject vehicle.

Abstract: A positioning method, a terminal and a server, and relates to the field of positioning and navigation, for performing accurate global positioning. The positioning method includes: a terminal sends a first global coordinate to a server, the server receives the first global coordinate from the terminal, the server searches for corresponding local map data and mapping parameters corresponding to the local map data according to the first global coordinate, the server sends the local map data and the mapping parameters to the terminal, and the terminal obtains a local coordinate of the current location according to the local map data and surrounding environment information of the current location, and obtains a second global coordinate of the current location according to the local coordinate of the current location and the mapping parameters. The embodiment of the present disclosure is applied to accurate positioning.

Abstract: A method, apparatus, and computer product for: determining that the location of a user satisfies at least one spatial boundary condition; and in response to said determination, causing the presentation of an avatar to the user, wherein the presentation of the avatar comprises presenting an instruction given by the avatar to the user.

Abstract: A personal portable communication device and system is provided which includes a handheld beacon that has a controller, a short range signal transmitter, and a power source, and at least one switch, an indicator light and a short range signal receiver that transmits and receives signals to a secondary relay communication device such as a smartphone wherein the secondary device sends second communication signals including messages according to predetermined instructions to predetermined destinations.

Abstract: An electronic apparatus for indoor positioning navigation, a method thereof, and a system thereof are provided. The electronic apparatus includes a transceiver for receiving near field wireless signals, a sensor for detecting motion of the electronic apparatus, a display, and at least one processor configured to determine if building map data of a building is received through the transceiver, generate a navigations map according to a type of the received building map data when the building map data is received, and control the display to display, a map matching a position of the electronic apparatus to a position of a destination of the electronic apparatus on the generated navigation map, by using one among intensity information of the wireless signals received through the transceiver and the motion information of the electronic apparatus detected through the sensor.

Abstract: A method, computer program product, and system for authenticating a computing device by geographic attestation includes a processor utilizing executing an authentication application utilizing location services executing on the computing device to obtain location data from the location services. The processor obtains the location data and creates and encodes a data structure in a secured area of a memory; the data structure is only accessible to the authentication application. The processor transmits to an authentication server, an authentication request that includes the encoded location data, requesting access to secure content. The processor obtains a request to query identifiers proximate to the computing device for additional location information and queries the identifiers and transmits this additional location information to the authentication server.

Abstract: Traditional satellite-to-earth data transmission systems are constrained by inefficient relay schemes and/or short-duration data transfers at low data rates. Communication systems described herein achieve extremely high burst rate (e.g., 10 Gbps or greater) direct-to-Earth (DTE) data transmission over a free-space optical link between a spacecraft and a remote terminal, which may be a ground terminal or another space terminal. The optical link is established, for example, when the remote terminal is at an elevation of 20° with respect to a horizon of the remote terminal. In some embodiments, a data transmission burst contains at least 1 Terabyte of information, and has a duration of 6 minutes or less. The communication system can include forward error correction by detecting a degradation of a received free-space optical signal and re-transmitting at least a portion of the free-space optical signal.

Abstract: Systems and methods that enable a targeting system operator, with no access to GPS signals, to self-locate using one or two landmarks and then geolocate an object-of-interest (OOI) using its own position and attitude and the range to the OOI. In the absence of GPS signals, the coordinates of the position of the targeting system can be calculated using a self-location algorithm either: (1) based on a measured direction and a measured range to one landmark and known coordinates of the position of the landmark; or (2) via triangulation based on two landmarks with respective known coordinates and respective measured headings. The coordinates of the position of the OOI can then be calculated using a geolocation algorithm based on the calculated coordinates of the position of the targeting system, and a measured direction and a measured range to the OOI. The calculated coordinates of the position of the OOI can then be sent to a weapons programmer by digital or voice message.

Abstract: Systems and methods for communications systems and more particularly to systems and methods for locating a mobile communication device are disclosed. When attempting to locate a misplaced, lost or stolen mobile communication device, if the mobile communication device may be in the possession of another party, the mobile communication device may be remotely controlled such that remote operations are independent of the normal mobile communication device operations.

Abstract: A method, computer program product, and system for authenticating a computing device by geographic attestation includes a processor utilizing executing an authentication application utilizing location services executing on the computing device to obtain location data from the location services. The processor obtains the location data and creates and encodes a data structure in a secured area of a memory; the data structure is only accessible to the authentication application. The processor transmits to an authentication server, an authentication request that includes the encoded location data, requesting access to secure content. The processor obtains a request to query identifiers proximate to the computing device for additional location information and queries the identifiers and transmits this additional location information to the authentication server.

Abstract: Described embodiments relate generally to energy harvesting systems and interface devices for such systems. In particular, such energy harvesting systems may be configured to harvest kinetic energy from the environment, such as wind, hydro, wave or geothermal energy or to harvest electromagnetic energy like solar radiation. Embodiments also relate to systems and methods to facilitate remote monitoring and/or control of a system comprising an interface device.

Abstract: A method, apparatus, and system for application controlled network selection between a broadband network and a narrowband network include operating an application with an end device with a narrowband connection to the end device; acquiring a source broadband connection comprising a source broadband network address; negotiating a peer-to-peer broadband connection with the end device utilizing the narrowband connection to communicate the source broadband network address; utilizing the peer-to-peer broadband connection for data associated with the application responsive to successful negotiating; and managing the peer-to-peer broadband connection using the narrowband connection as a control channel therefor. The narrowband connection can include Digital Mobile Radio (DMR), Land Mobile Radio (LMR), Project 25 (P25), Terrestrial Trunked Radio (TETRA), or the like.

Abstract: Aspects of the disclosure relate to controlling autonomous vehicles to provide automated emergency response functions. A computing platform may receive vehicle data associated with a vehicle from an on-board vehicle monitoring system associated with the vehicle. Subsequently, the computing platform may detect an occurrence of an emergency at a location. Thereafter, the computing platform may select an autonomous vehicle to respond to the emergency at the location based on autonomous vehicle state information. Then, the computing platform may generate one or more dispatch commands directing the autonomous vehicle to move to the location and execute one or more emergency response functions. Subsequently, the computing platform may send, to an on-board autonomous vehicle control system associated with the autonomous vehicle, the one or more dispatch commands directing the autonomous vehicle to move to the location and execute the one or more emergency response functions.

Abstract: Embodiments described herein provide a method for scheduling background processes. The method begins when a task scheduler requests a SAR severity level from the application processor. The application processor then requests the SAR severity level from the modem. Upon receipt of the SAR severity level the task scheduler then determines if the SAR severity level is high. If the SAR severity level is high, the task scheduler waits a predetermined time and then requests a further SAR severity level. This process continues until the SAR severity level returned in within a normal level. At that time, the background process is scheduled. This prioritizes transmission. The apparatus includes a task scheduler in communication with an application processor and a modem in communication with the application processor. The task scheduler may include a memory and a timer.

Abstract: An image display apparatus and a method for operating the same are disclosed. The image display apparatus includes a display configured to display a chat window and to display input conversation content in the chat window, a communication unit configured to receive direction information and distance information of one or more other users, and a controller configured to control display of an object indicating location information including at least one of direction information and distance information of the one or more other users in the chat window. Accordingly, it is possible to increase user convenience.

Abstract: An personal portable communication device and system is provided which includes a handheld beacon that has a controller, a short range signal transmitter, and a power source, and at least one switch, an indicator light and a short range signal receiver that transmits and receives signals to a secondary relay communication device such as a smartphone wherein the secondary device sends second communication signals including messages according to predetermined instructions to predetermined destinations.

Abstract: Systems, apparatus and methods disclosed herein utilize motion detection to estimate variability of positioning related metrics. In some embodiments, a method may comprise obtaining the speeds of a plurality of mobile stations in a set of mobile stations connected to an AP in a wireless network. The frequency of Round Trip Time (RTT) measurements between a mobile station in the plurality of mobile stations and the AP is increased during periods when the speed of the mobile station does not exceed a threshold. An estimate of variability may be obtained for RTT measurements for the AP.

Abstract: Assisted-GPS for a portable biometric monitoring device is provided. The portable biometric monitoring device may obtain updated ephemeris data from an associated secondary device via a short-range, low-power communication protocol. The secondary device may be a computing device such as a smartphone, tablet, or laptop. Various rules may control when the ephemeris data is updated. The ephemeris data may be used in the calculation of the global position of the portable biometric monitoring device. Additionally, the portable biometric monitoring device may communicate downloaded position fixing data to the associated secondary device. The associated secondary device may then calculate the global position from the position fixing data.

Abstract: A life preserver locator system for assisting in locating and rescuing persons located in body of water. The life preserver locator system includes a water permeable envelope attachable to a life preserving aid and having a deployable water-activated signal assembly. In one embodiment, the deployable water-activated signal assembly includes a water-activated gas inflator mechanism that on exposure to water, such as saltwater, automatically actuates to inflate a balloon. The balloon deploys from the envelope into the air on a cable attached to the life preserver locator system allowing establishment of a line of sight from a person in the water and a rescue vessel to the balloon. In one embodiment, a light emitting device, such as strobe light, on the balloon automatically activates to emit light, to assist the person in the water in locating the life preserving aid.

Abstract: System and methods for pointing a device, such as a camera, at a remote target wherein the pointing of the device is controlled by a combination of location information obtained by global positioning technology and orientation information obtained by line of sight detection of the direction from the device to the target.

Abstract: The pet communication and tracking system is a collar adapted for use with pets. The pet communication and tracking system comprises a location module for determining the location of the pet, and a communication module that allows a pet owner to determine the location of their pet as well. The pet communication and tracking system will also notify users when their pet leaves a predetermined geographic location. The pet communication and tracking system comprises a collar, a location module, a communication module, a logic module, and a power source.

Abstract: A method of controlling a mobile information terminal that includes a device for identifying a position of the mobile information terminal based on a received signal includes activating, by a processor, the device based on a reception status of the received signal before deactivating the device, and an index related to movement of the mobile information terminal after deactivating the device.

Abstract: A dual-satellite emergency locator beacon and method for programming and updating such emergency locator beacons over the air. The system uses a second commercial satellite as the carrier for the data back to the beacon together with the means of coupling these parts together. The system can be manually updated or can be part of a registration system that gets automatically updated. In a second embodiment a method and apparatus for implementing emergency locator beacon registration is provided. The system provides data concerning the user into a backend service which can be utilized to provide all necessary information needed to register the emergency beacon.

Abstract: The present invention relates to systems, methods, and machines for tracking a fluid spill. The method includes obtaining real-time location data for a number of tracking devices from a positioning satellite data repository, integrating the location data of each of the tracking devices into a comprehensive spatial data repository, determining a deployment location for each of the tracking devices, identifying, responsive to the deployment locations, a fluid-spill subset of the tracking devices that were deployed in the fluid spill, determining a fluid spill location based on the geographic locations of the fluid-spill subset, and generating a geographic map depicting the fluid spill location. A new sensor-driven paradigm is used that combines practical data gathering methods with advanced enterprise information technologies.

Abstract: A passive security system and personal equipment on vessels is for man over board situations. The personal equipment, prepared for being worn by a crewmember of the vessel, includes a first module (2) integrated into a belt (4); a life jacket (5) folded inside of the first module (2) and attached thereto by at least one strap (6); a second module (8) placed in the interior of the first module (2), connected to the life jacket (5) and configured to inflate the life jacket (5) when it detects a man over board situation. The first module (2) has on its rear part one flap (3) configured to be opened by the life jacket (5) inflating action, allowing the passage thereof to the exterior of the first module (2). It is used as a passive security element for “man over board” situations, to allow an immediate detection of the situation and a fast rescue.

Abstract: The present invention relates to devices and methods for tracking movement in a marine environment. At least one tracking device that is adapted to be deployed on a surface of the water, wherein the tracking device is capable of moving along the same trajectory of a desired object. Data, from the tracking devices are received by at least one satellite, transmitted to a database, and used to determine the forecasted trajectory of the desired object. All data collected from deployed tracking devices may be integrated into a spatial data repository for analysis and reporting using GIS and associated information technologies, thereby allowing for more accurate decision-making and asset deployment during a fluid spill or similar marine contamination event. The present invention also allows for the collection and modeling of accurate localized sea current data, which may assist with marine and coastal engineering works such as shoreline protection and port dredging.

Abstract: Providing indoor location, position, or tracking of a mobile computer using combined sensor data and network related information is disclosed. Outdoor location, indoor location, and determined motion information may be combined to track the mobile computer indoors.

Abstract: A drive assist system includes: wireless communication devices on first and second vehicles. The wireless communication device on the first vehicle includes: a distance calculation device for calculating a satellite positioning distance between the first and second vehicles; and a difference calculation device for calculating a distance difference between the satellite positioning distance and a distance to the second vehicle obtained by a ranging sensor in the first vehicle.

Abstract: A process and system for detecting the presence of a person overboard including: setting the perimeter of an area to scan, scanning the area 180 degrees in azimuth utilizing a laser beam for receiving a reflection of the laser beam off the person, detecting the reflection and playing back a video recording of the trajectory of the person, wherein the area above and below the perimeter of an area to scan is continuously video recorded and wherein upon detecting the target, one or more of audio and visual alarms alert that crew, and wherein an alarm with location is sent to PDA system with GPS coordinates time and date. Additionally a launcher deploys a device to track the person overboard, and allows persons on the ship or in a control center to ascertain the location of the person overboard.

Abstract: A display system and method is provided for deployment on board a vehicle and includes a data source that provides the display system with data indicative of at least time, position, and velocity of the vehicle. The system comprises a monitor, a display included within the monitor for displaying range data indicative of a specific distance and time data indicative of time it takes to travel the specific distance, an input device, and a processor coupled to the monitor and to the input device and configured to (1) render symbology on the display visually representative of the time data and the range data, and (2) update the range data, and correspondingly change the time data in response to the change in range data made via the input device.

Abstract: A shoe body light-emitting device includes: a waterproof enclosure embedded on a shoe body and having a cavity; a control circuit embedded in the cavity and comprising circuit board and a motion actuated switch. The positive electrode of the circuit board is electrically coupled to the positive electrodes of light-emitting bodies and a power supply. The motion actuated switch is electrically connected with the circuit board for triggering the control circuit in response to motion of the shoe body, so that light-emitting bodies light in a predetermined way. A micro-current battery on the circuit board is used for supplying the light-emitting device with power. The light-emitting bodies may first flash N times simultaneously, then respectively flash twice sequentially, then respectively flash twice reversely, then respectively flash twice sequentially, and finally flash N times simultaneously (N is a natural number larger than or equal to 1).