The invention relates to a security system designed to recognise, by means of the presence and/or content of a status enquiry signal of at least one security unit, whether or not at least one security unit is located inside the security zone. The security system includes an alarm generating unit which is designed to generate an alarm signal if it has been recognised that the at least one security unit is located outside the security zone. The invention further relates to a method for emitting an alarm signal, a bus with a security system and a use of a security system.

A method of operating a personal safety system including a vehicle includes automatically detecting that a smartphone is within a communication range using a wireless communication system of the vehicle, and starting an approach time period with a controller of the vehicle or the smartphone when the smartphone is detected. The method further includes sending checkup data from the vehicle to the smartphone using the wireless communication system when the smartphone fails to arrive at the vehicle prior to the approach time period elapsing, and triggering an emergency response by the vehicle and/or the smartphone when the vehicle fails to receive a response to the checkup data from the smartphone within a response time period.

The present invention discloses a method, device, and system for prompting whether a portable locator has arrived on time, one of which comprising: a server, according to position point information transmitted by the portable locator, judges that there is not a position point indicative of arrival at a destination reminder area in a current preset time period and the current time has already exceeded an estimated arrival time, and then generates and issues a non-arrival reminder. By employing the present invention, the guardian confirms at any time that the monitored person carrying the portable locator does not arrive at the destination reminder area within the preset arrival time, and thereby masters the safety information of the monitored person, whereby the user experience is improved and subsequent person search effectiveness is enhanced.

An electronic module includes wireless data transmission circuitry configured to receive from a base station a signal corresponding uniquely to a battery device, wireless charging circuitry coupled with the wireless data transmission circuitry and configured to receive energy wirelessly transmitted from the base station, and a controller configured to, in response to the wireless data transmission circuitry receiving the signal, cause the wireless charging circuitry to charge a battery module of the battery device corresponding to the signal using the received wirelessly transmitted energy.

In an example implementation, a method of tracking a mobile device includes determining by a tracked device, that a pairing status between the tracked device and a command device has changed from a paired status to an unpaired status. A timer is started on the tracked device in response to determining the unpaired status, and in response to the timer reaching a threshold time, a distress packet is transmitted from the tracked device that indicates the tracked device is lost.

A system, management device, SCBA and wearable device are provided. In one or more embodiments, a wearable device for use with a self-contained breathing apparatus (SCBA) is provided. The device includes device processing circuitry configured to: determine a wireless personal accountability report (PAR) signal has been received, and transition into an alarm state based on the received wireless PAR signal. The alarm state configured to trigger at least one notification while in the alarm state where the triggering of at least one notification is configured to recur until an indication is received.

Active radio-frequency identification, RFID, tag, and a product surveillance method using active RFID tags. The method includes: transmitting (202), by an active RFID tag, continuously a signal comprising an own identifier according to a predetermined schedule; receiving (204), by the active RFID tag, continuously a plurality of signals comprising a plurality of foreign identifiers transmitted by a plurality of other active RFID tags according to the predetermined schedule; measuring (206), by the active RFID tag, a received signal strength indication, RSSI, of each received signal; storing (208), by the active RFID tag, each foreign identifier of a signal whose RSSI exceeds a predetermined strength threshold; detecting (210), by the active RFID tag, that a signal with a stored foreign identifier is no more received according to the predetermined schedule and marking (212), by the active RFID tag, said stored foreign identifier.

A system and method is provided for detection of movement or removal of a firearm from a storage location. The system generates a real-time alert that notifies a supervisor or owner of a firearm that movement or removal of the firearm from a stored location has occurred. The alert may be sent to a designated communication device such as a smartphone, landline phone, or to a computing device. An application (app) with a graphical user interface may be loaded on a user device to implement aspects of the firearm alert system. Movement and/or location sensors may be removeably mounted to the exit mouth of a firearm barrel, loaded in a round of ammunition (i.e., bullet), contained in a trigger lock, a slip on cover, screw on (after market) gun grips, original grips that come with the gun from a manufacturer, a bullet clip therefor, a gun lock, or an adhesive backed tile.

A system for locating remote objects and for directing users to remote objects, and for tracking remote objects such as eye glasses, watches, and the like, the system including an RFID transponder physically connected to the object, and RFID interrogator configured to interrogate the RFID transponder and receive a signal in response thereto, and a portable electronic device in electronic communication with the RFID interrogator and configured to process the received signal and determine a location of the object relative to the RFID interrogator and to provide information to a user regarding the location of the object.

A safety system for preventing child abandonment in a motor vehicle is provided. The safety system includes a device installable on a child safety seat, a safety belt, or a seat belt shoulder strap. The device includes a presence sensor configured to detect child safety seat occupancy, and a radio transmitter configured to emit a radio signal within a predefined transmission range and functionally connected to the presence sensor to receive a child safety seat occupancy signal and insert presence information into the radio signal. The safety system includes warning signal receiving devices configured to detect the radio signal within the predefined transmission range and extract presence information from the radio signal, and warning emission means. The presence sensor is a capacitive sensor. Each warning signal receiving device is configured to trigger the warning emission means after initially extracting presence information and subsequently detecting an interruption of the radio signal.