Abstract: Provided are an image processing device and an image providing method therefor. The image providing method performed by the image processing device includes setting a privacy mode of each of a plurality of registered objects; obtaining a first image of a monitoring zone from a camera; changing to a privacy mode of an object first appearing in the monitoring zone among the plurality of registered objects; and in the privacy mode, in response to a request for the first image from at least one of the remaining objects, generating a second image in which a privacy zone preset by the appearing object is processed in the first image.

Abstract: A vision system of a vehicle includes a camera module disposed at the vehicle windshield and having a camera, a control and a recording device. The system includes a continuous loop recording of image data captured by the camera while the vehicle is operated. The control includes an image processor that processes image data captured by the camera for at least one driver assistance system of the vehicle. Responsive to a user input, the control exits the continuous loop recording and the recording device saves image data captured by the camera in non-volatile memory of the recording device. Responsive to the user input, the recording device saves in the non-volatile memory captured image data saved by the continuous loop recording prior to the user input and saves in the non-volatile memory image data captured by the camera after the user input.

Abstract: Provided is a communication apparatus including: an encoder with a plurality of channels configured to encode an input stream while switching a rate of output data in at least two stages; and a wireless communication apparatus that transfers output of the encoder to a terminal by way of a wireless communication network, in which, when a channel is selected at the terminal, output of the encoder is switched from a low-rate stream to a high-rate stream such that the high-rate stream is transmitted to the terminal at which the channel has been selected.

Abstract: A method and apparatus for a horticultural light for use in a horticultural facility is provided to minimize a dimension (e.g., height dimension) of the horticultural light. A sheet lens is adhered directly onto the printed circuit board and optionally the underlying metallic backing plate so as to environmentally seal the horticultural light. The sheet lens is comprised of polycarbonate and is pneumatically and/or thermally manipulated to include dome portions that are disposed in proximity to the respective one or more LEDs. Light generated by the LED is incident onto the inner surface of the respective dome portion at right angles through the entire beam angle. Accordingly, substantially none of the light is reflected back into the dome, but is rather propagated to an exterior of the light.

Abstract: The present application discloses an easy installing and disassembling vehicle monitoring device, which includes a board, a signal input device, a communication module, magnetic members, and a battery for powering the signal input device and the communication module. The board equipped with the signal input device, the communication module, and the battery may be directly attached to the housing of a vehicle through the magnetic members, thus punching holes in the vehicle is avoided, and installation and disassembly of the vehicle monitoring device is greatly facilitated. There is no restriction on installation positions, so the monitoring scope is greatly increased, and an improved driving safety may be achieved. The communication module sends the information collected by the signal input device to smart terminals through wireless network, thus no complicated wiring is needed, making the installation and disassembly of the monitoring device much easier, and simultaneously achieving remote monitoring.

Abstract: A system for object detection within a monitored zone around a vehicle includes: at least one processor; and memory encoding instructions which, when executed by the processor, cause the system to: detect an object; and suppress an alert associated with detection of the object when a size of the detected object is below a lower size threshold value or above an upper size threshold value.

Abstract: A method and device for analyzing customer traffic data at a merchant location are provided. The method may include transmitting pings within a coverage area of a wireless network provided by the merchant computer, receiving ping responses from one or more customer devices corresponding to one or more customers located within the coverage area of the wireless network provided by the merchant computer, extracting a unique device identifier from each received ping response over a period of time, each of the unique device identifiers identifying a different customer device that transmitted the ping response, estimating an amount of customer traffic at the merchant location, over the period of time, based on the unique device identifiers extracted during the period of time, and outputting an indication of the estimated amount of customer activity at the merchant location over the period of time.

Abstract: A method and system for identifying hierarchical structures of members of a crowd (126). One method (400) includes determining a movement of at least one of a plurality of members of the crowd (126) based on image data from a camera (120). The method (400) includes determining a first probability that a first member of the plurality of members is leading other members based on the movement. The method (400) includes determining a second probability that the first member is leading the other members based on a relationship between the first member and the other members determined based on social media information. The method (400) includes determining a combined probability that the first member is leading the other members based on the first probability and the second probability. The method (400) includes transmitting a message indicating a leadership association between the first member and the other members.

Abstract: A monitoring system that is configured to monitor a property includes a camera that is configured to capture video data of the property. The monitoring system further includes a microphone that is configured to capture audio data of the property. The monitoring system further includes a monitor control unit that is configured to access and analyze the video data. The monitor control unit is further configured to determine that an alarm condition does not exist at the property. The monitor control unit is further configured to access and analyze the audio data. The monitor control unit is further configured to override the determination that an alarm condition does not exist at the property. The monitor control unit is further configured to, based on overriding the determination that an alarm condition does not exist at the property, perform a monitoring system action.

Abstract: An apparatus comprises a processing platform configured to implement a machine learning system for automated classification of documents comprising text data of at least one database. The machine learning system comprises a clustering module configured to assign each of the documents to one or more of a plurality of clusters corresponding to respective topics identified from the text data in accordance with at least one topic model, and an interface configured to present portions of documents assigned to a particular one of the clusters by the clustering module and to receive feedback regarding applicability of the corresponding topic to each of one or more of the presented portions on a per-portion basis. The topic model is updated based at least in part on the received feedback. The feedback may comprise, for example, selection of a confidence level for applicability of the topic to a given one of the presented portions.

Abstract: Sharing video footage recorded by audio/video (A/V) recording and communication devices, such as video doorbells and security cameras. When an A/V recording and communication device records video footage of suspicious activity, or even criminal activity, a user viewing the footage may alert his or her neighbors by sharing the video. In various embodiments, the user may share the video with anyone of the user's choosing, including neighbors, friends, and family.

Abstract: A holding apparatus (50) for a vehicle has a first element (51) attachable to the vehicle (1), a second element (52) movably connected with the first element (51) via a bearing mechanism, an image capture unit (10, 10A, 10B) attached to the second element (52) and configured to capture a capture area around the vehicle (1), and a signal unit (20) configured to detect the position of the first element (51) relative to the second element (52). The signal unit (20) has a signal device (22) adapted to output a signal (S) and a signal transmitter (21) configured to operate the signal device (22) dependent on a position of the first element (51) to the second element (52) such that it outputs a signal (S).

Abstract: A facility, comprising systems and methods, for providing enhanced situational awareness to captured image data is disclosed. The disclosed techniques are used in conjunction with image data, such as a real-time or near real-time image stream captured by a camera attached to an unmanned system, previously captured image data, rendered image data, etc. The facility enhances situational awareness by projecting overlays onto captured video data or “wrapping” captured image data with previously-captured and/or “synthetic world” information, such as satellite images, computer-generated images, wire models, textured surfaces, and so on. The facility also provides enhanced zoom techniques that allow a user to quickly zoom in on an object or area of interest using a combined optical and digital zoom technique. Additionally, the facility provides a digital lead indicator designed to reduce operator-induced oscillations in commanding an image capturing device.

Abstract: A method for security and/or automation systems is described. In one embodiment, the method includes detecting a sound using a microphone, generating an audio signature of the detected sound, comparing the audio signature of the detected sound to an audio signature of a characterized sound, and determining whether a recognizable event occurs based on the comparison. In some embodiments, the microphone is attached to a pipe at the premises.

Abstract: A first imaging unit according to the present embodiment acquires a wide angle image. A second imaging unit according to the present embodiment captures a part of a capturing range of the first imaging unit and comprises a drive mechanism capable of changing a capturing direction. A control unit controls a frequency of acquiring the wide angle image based on at least one of a state of the second imaging unit and information included in a detail image captured by the second imaging unit.

Abstract: A method and apparatus for calculating and accounting for non-uniformity of pixels within an infrared (IR) focal plane sensor utilizing an infrared light emitting diode (IR LED) to wash out environmental infrared light is provided. The IR LED may back propagate through an optical path of an IR sensor to illuminate pixels on a focal plane array, thereby providing data by which the non-uniformity offsets may be calculated and removed for normal operation of the IR sensor.

Abstract: Described are techniques for video bridging for conversion of IP network video streams to the USB Video Class (UVC). The conversion of IP video to UVC video can include the use of software-only conversions and hardware assisted conversions, and can be done within purpose-built “conversion” devices or as software only solutions operating within applications or drivers within the operating systems of the “end nodes”. The end-nodes simultaneously see and use multiple USB UVC video sources. The conversion process can also convert the USB UVC video control protocol to IP Video Stream control protocols.

Abstract: The present invention provides a contactless-type sport training monitor method, comprising: selecting at least an image database to recognize a plurality of expressions in the image database; making pre-processing for the plurality of expressions: using a convolutional neural network as a feature point extraction model; acquiring a human image; tracking a first target region and a second target region in the human image; making chrominance-based rPPG trace extraction; using the deep level model to compare the second target region image; and to calculate a post-exercise heart rate recovery achievement ratio, to judge the Rating of Perceived Exertion, and judging whether the human body is under overtraining status or not.

Abstract: Methods, systems, and techniques for handling of event notifications in non-standard formats. An event notification sent from an event notification sending device of a video surveillance system is received at an event notification handling device of the system. The event notification is in a format not natively supported by at least one device of the system. The event notification is translated into a format supported by the at least one device, with the supported format being defined in a list of non-standard formats. A rule associated with the event notification is applied to perform an action. Prior to receiving the event notification, an initialization method may be performed in which the event notification handling device subscribes to receive the event notification.

Abstract: A camera assembly is provided. The camera assembly includes a lens holder, a lens disposed in the lens holder, a circuit board, a camera sensor disposed on the circuit board, and an ambient light sensor electrically connected to the circuit board. The lens holder defines a light transmission channel, an inner peripheral wall is defined in the light transmission channel, and a chamfer is formed in the lens holder and disposed at one end of the inner peripheral wall that faces towards the lens, and the camera sensor is disposed correspondingly to the lens via the light transmission channel. The ambient light sensor is attached to a surface of the chamfer. Ambient light is transmitted through the lens and the light transmission channel, and is further incident into the camera sensor and the ambient light sensor. An electronic device having the camera assembly is further disclosed.

Abstract: An audio/video (A/V) recording and communication doorbell comprises a camera, a front button, and a motion sensor. The camera and the motion sensor are configured to work in tandem to detect motion in a field of view of the A/V recording and communication doorbell, such that a first one of the camera and the motion sensor detects motion and the other one of the camera and the motion sensor independently verifies the motion detection before an alert is sent to a user's client device. In this manner, user alerts from false alarm motion detections are reduced.

Abstract: The present disclosure relates to creating a map by identifying a moving object, and a robot implementing the method, and the method comprises, by a sensing unit of a robot, sensing a first object located outside the robot, by a control unit of the robot, calculating mobility of the sensed first object, and storing sensed information and sensed time information of the first object in a map, as a fixed object, when the mobility of the first object calculated by the control unit of the robot is lower than a preset reference.

Abstract: A plant operating state analysis system includes a data collector which is connected to both a control network and a monitoring network and which collects both control network data and monitoring screen video data. The data collector includes a synchronization processing unit and a data display processing unit. The synchronization processing unit synchronizes the control network data and the monitoring screen video data by adding a delay time due to transmission through the monitoring network, which includes an encoding time spent by a video capturer, to the time at which the control network data has been collected. The data display processing unit reproduces and displays, on a screen, the control network data and monitoring screen video data that are synchronized by the synchronization processing unit.

Abstract: A surveillance terminal apparatus includes a storage unit, a communication unit, a picture identifier, a reader, a facial recognition processor, a display unit, and a playback controller. The picture identifier identifies, as an entry picture and an exit picture, a part of the picture of a target person shot by an imaging device and stored in the storage unit. The facial recognition processor identifies both of the entry picture and the exit picture of the same target person, by performing facial recognition with respect to the entry picture and the exit picture read out by the reader. The playback controller changes playback times of the pictures corresponding to actual length of the pictures to the same playback time, when a difference between the playback times of the respective pictures exceeds a threshold, and causes the display unit to simultaneously play back both of the pictures side by side.

Abstract: System and methods for aligning event data recorded by recording devices. Recording devices create, transmit, and store alignment data. Alignment data created by a recording device is stored in the memory of the recording device with a time that is maintained by the recording device and that is relative to the time of event data recorded by the recording device that creates the alignment data. Recording devices further receive and store transmitted alignment data. Alignment data received by a recording device is stored in the memory of the recording device with a time that is maintained by the receiving recording device and that is relative to the time of event data recorded by the recording device that creates alignment data. Stored alignment data may be used to align the playback of event data of devices that have the same alignment data. Alignment data may include information as to the recording status of the device that transmits the alignment data. Recording status may be reported.

Abstract: A lighting apparatus, a method and a system for processing an emergency procedure are provided. The system includes two or more lighting apparatuses that are interconnected for forming a mesh network over an area. In the method, the lighting apparatus is activated to illuminate a surveillance zone under an emergency mode. In the meantime, a camera circuit is driven to capture a series of images of the surveillance zone for conduct motion detection. When a moving object is detected, the lighting apparatus transmits a beacon signal in response to the detection result. In the meantime, an acknowledgement signal in response to the beacon signal is generated by a signal source and received by the lighting apparatus. After that, the identifier with respect to the lighting apparatus is transmitted to a control center for obtaining the position of the lighting apparatus.

Abstract: An image-capturing and target-counting device comprises a camera, a controller and an image processor wherein the camera is electrically connected to the controller and the image processor. The controller controls the camera to perform filming to obtain a plurality of images with a first time interval as an image capturing period. The image processor obtains a plurality of estimated quantities according to a recognition model and a part of the plurality of images which is obtained in a second time interval, and obtains as well as records a determined quantity of a kind of target items existing in the filming field of the camera according to the plurality of estimated quantities, wherein the second time interval is at least twice as long as the first time interval.

Abstract: A surveillance duo that includes a pod and a rover.

Abstract: A system and method for outfitting an environment with a camera array that includes: a set of camera modules mounted and interconnected as a monitoring network within the environment; wherein each camera module instance of the set of camera modules comprises of: at least one camera, and at least a first connection port and second connection port; and wherein the camera modules of the set of camera modules serially connect through the connection ports of adjacent camera modules.

Abstract: To perform matching between a user who provides a first person view and a user who views the first person view. An icon indicating a current position of each Body is displayed on a map of a range that is currently specified. A Ghost can select a Body to whom the Ghost desires to perform JackIn by specifying an icon in a desired position by UI operation such as a touch or click. Further, when a keyword for limiting behavior or the like is input to a search field, only Bodies extracted on the basis of the behavior are displayed. Then, when selection is settled, a JackIn request is transmitted from the Ghost to the selected Body.

Abstract: A statistical method and device for customer flow volume. The method comprises: obtaining video image information in a preset monitoring area; performing video analysis on the video image information and determining a movement direction of a first target person appearing in the preset monitoring area according to an analysis result; obtaining, through statistics, incoming or outgoing customer flow volume of the actual detection area according to the determined movement direction of the first target person; reading a first terminal identifier, detected by a WiFi detector, of a WiFi terminal apparatus carried by the first target person; judging whether the first terminal identifier is present in a preset terminal identifier database for non-customer personnel; if so, decreasing the incoming or outgoing customer flow volume by 1; otherwise, making no change to the incoming or outgoing customer flow volume.

Abstract: A monitoring system monitors a monitoring object apparatus sufficiently for practical use while suppressing battery power consumption. The monitoring system is provided a sensor terminal that is driven by a battery and acquires a measured value(s) of a measuring apparatus mounted in the monitoring object apparatus by executing image analysis processing on a captured image(s) obtained by photographing the measuring apparatus. A manager terminal monitors the measured value(s) of the measuring apparatus which is reported from the sensor terminal. When the measured value is out of a normal range, the manager terminal requests transmission of image data of an image area, which is necessary to check whether the measured value of the measuring apparatus is actually out of the normal range or not. The sensor terminal transmits the requested image data with the requested resolution to the manger terminal in response to the request from the manager terminal.

Abstract: A doorbell apparatus includes a camera to acquire a first image of an object in a first region and a second image of the object in a second region disposed closer to the camera than the first region; an image processing unit to detect the object in the first image and to identify the object in the second image, the image processing unit having a first image processing unit that detects and saves the first images and a second image processing unit that identifies and saves objects in the second images; a storage device to store the second image corresponding to the identified object; and an alarming unit to activate an alarm signal depending on whether the identified object corresponds to a predetermined object.

Abstract: A method and a system for optimizing an image capturing boundary in a proposed image for enhancing user experience while capturing an image are provided. The method includes locating an image capturing boundary in a proposed image and computing a composition measure for the image capturing boundary. Further, the method includes identifying at least one missing portion in the image capturing boundary based on the composition measure. Further, the method includes providing an indication, associated with an image capturing device, to optimize the image capturing boundary based on the identified at least one missing portion. Furthermore, the method includes computing an optimal zoom level automatically in response to actions performed by the user and captures the image by including the at least one missing portion.

Abstract: An object detection method and a neural network system for object detection are disclosed. The object detection method acquires a current frame of a sequence of frames representing an image sequence, and extracts a feature map of the current frame. The extracted feature map is pooled with information of a pooled feature map of a previous frame to thereby obtain a pooled feature map of the current frame. An object is detected from the pooled feature map of the current frame. A dynamic vision sensor (DVS) may be utilized to provide the sequence of frames. Improved object detection accuracy may be realized, particularly when object movement speed is slow.

Abstract: A scalable tracking system processes video of a space to track the positions of people within a space. The tracking system determines local coordinates for the people within frames of the video and then assigns these coordinates to time windows based on when the frames were received. The tracking system then combines or clusters certain local coordinates that have been assigned to the same time window to determine a combined coordinate for a person during that time window.

Abstract: The present disclosure provides for an adjustable camera enclosure. The camera enclosure includes a housing, a camera mounting assembly, and a base. The housing is aligned along a longitudinal axis and includes a hollow interior, a first end, a second end and an aperture through a wall of the housing. The aperture extends in a direction parallel to the longitudinal axis. The camera mounting assembly is disposed in the hollow interior of the housing and slidable within the hollow interior along the longitudinal axis. The camera mounting assembly can receive a camera such that a lens of the camera is oriented to the aperture of the housing. The base is coupled to the second end of the housing and is mountable to a surface. The base is rotatable about the longitudinal axis relative to the surface to rotate the housing about the longitudinal axis.

Abstract: An image sensor and an electronic device are disclosed. They are configured to output, from the image sensor, a plurality of different pieces of image data based on a full-size original image. In one example, an image sensor includes: a pixel unit that generates a full-size original image corresponding to incident light with many photoelectric conversion elements; a holding unit that has a capacity capable of holding at least the full-size original image; an image processing unit that generates a full-size processed image by performing predetermined image processing with respect to the full-size original image; and a modification unit that generates a modified-size processed image by modifying a size of the full-size processed image. The full-size processed image and the modified-size processed image are output. Applications include a CMOS image sensor in which a DRAM is installed.

Abstract: In a monitoring system, when a monitoring display instruction is received from a smartphone, a master device transmits an image transmission request to a plurality of cameras, each of the cameras transmits image data obtained by an image capturing unit to the master device in response to the image transmission request from the master device, the master device generates a plurality of separate images in order to display images from the plurality of cameras on a single screen in a distributed manner, and transmits image data of a monitoring screen of the plurality of separate images to the smartphone, and the smartphone includes a display/input unit and displays the monitoring screen of the plurality of separate images transmitted from the master device on the display/input unit.

Abstract: A method for detecting a displacement of a mobile platform is provided. The method includes acquiring a first frame and a second frame using an imaging device that is coupled to the mobile platform, and obtaining rotation data using an inertial measurement unit (IMU) that is coupled to the mobile platform. The method also includes calculating a translation array based on the first frame, the second frame, and the rotation data. The method further includes determining the displacement of the mobile platform based on the translation array.

Abstract: Disclosed in this specification are methods, systems and apparatus, including computer programs encoded on non-transitory computer storage media for unmanned aerial vehicle (UAV) flight operation and privacy controls. Based on geofence types, and UAV distance from a geofence, sensors and other devices connected to a UAV are conditionally operational. Image data collected during a UAV flight may be obfuscated by the UAV while in flight, or via a post-flight process using log data generated by the UAV.

Abstract: Presenting event-specific video content that conforms to a user selection of an event type includes processing at least one video feed through at least one spatiotemporal pattern recognition algorithm that uses machine learning to develop an understanding of at least one event within the at least one video feed to determine at least one event type, wherein the at least one event type includes an entry in a relationship library at least detailing a relationship between two visible features of the at least one video feed, extracting the video content displaying the at least one event and associating the understanding with the video content in a video content data structure. A user interface is configured to permit a user to indicate a preference for at least one event type that is used to retrieve and provide corresponding extracted video content with the data structure in a new video feed.

Abstract: Communicating with law enforcement agencies using client devices that are associated with audio/video (A/V) recording and communication devices are provided. In one embodiments, a method for a client device for preventing redundant calls to an emergency call center is provided, the method comprising: receiving, at the client device, a notification, along with video footage associated with the notification, about an event generated by an A/V recording and communication device, the video footage captured by a camera of the A/V recording and communication device; receiving a request for contacting the emergency call center; informing one or more backend devices, in communication with the client device and a home security monitoring center that monitors a security system, of the received request to suppress a potential redundant call to the emergency call center from the home security monitoring center; and contacting the emergency call center.

Abstract: In some embodiments, a data-secure sensor system includes one or more processors configured to receive sensor data (e.g., image data, audio data, etc.) and generate descriptive data based on the sensor data that corresponds to a physical area that corresponds to information about identified objects or activity in physical area, an input/output (I/O) port, and an I/O choke communicatively coupled between the one or more processors and the I/O port, the I/O choke configured to limit a communication bandwidth of the I/O port to a maximum data rate. The one or more processors can be configured to prevent the sensor data from being accessible via any external port of the data-secure camera system, including the I/O port, and allow the descriptive data to be accessible via the I/O port.

Abstract: A method and an image pick-up apparatus for calculating coordinates of an object being captured by using fisheye images are provided. In the method, a first and a second fisheye image containing the object are respectively captured by using a first and a second fisheye lens. Coordinates of the object in the first and the second fisheye image are detected. A first and a second azimuth angle of the object relative to fisheye centers of the first and the second fisheye image on an image sensor plane are accordingly calculated. Distances between the coordinates of the object and the fisheye centers are respectively transformed into a first and a second incident angle through lens curves of the fisheye lenses. Three-dimensional coordinates of the object are calculated according to the first and the second azimuth angle, the first and the second incident angle, and a baseline distance between the fisheye lenses.

Abstract: The disclosure is related to a surveillance system and an operation method thereof. The surveillance system includes an auxiliary sensor module that is in full-time operation, and a main sensor module that is in a power-saving mode at a normal state. The main sensor is in operation only if the signals generated by the auxiliary sensor module meet a criterion of surveillance. The surveillance system can reduce power consumption since the more powerful main sensor module stays in the power-saving mode without actuation. The surveillance system can process the surveillance data generated by the auxiliary sensor module since it adopts the steps of ROI detection, feature extraction, and object recognition in an early stage of a whole surveillance process.

Abstract: The present application discloses a method and a device for image stitching. The method includes: obtaining a first image acquired by a first camera and a second image acquired by a second camera, wherein the first image is an image with visible light information, the second image is an image including depth information and visible light information, the first camera and the second camera are disposed adjacent to each other, and there is an overlapping area between the acquired first image and second image; mapping pixels in the second image to the overlapping area and/or an extended area, wherein the extended area is an image area formed by pixels in the second image which are mapped to the outside of the first image; stitching the mapped pixels in the second image to the overlapping area and/or the extended area based on depth information and visible light information of the pixels in the second image to obtain a stitched image.

Abstract: Aspects discussed herein relate to systems, apparatuses, and methods for providing content distribution via a breadth-first approach for peer-to-peer file sharing in a temporary ad hoc mesh network. For example, a peer-to-peer orchestrator may receive requests for the same asset from multiple mobile devices, determine which of the mobile devices are likely to travel along the same route at the same time, group them together and cause transmission of different asset parts of the requested asset to different mobile devices in the group. If the mobile devices in the group lose connection with the peer-to-peer orchestrator, they may form an ad hock mesh network and retrieve asset parts from one another. If the group reconnects with a peer-to-peer orchestrator, additional asset parts of the asset may be transmitted to the group and the process may repeat so that each mobile device may obtain each of the asset parts.

Abstract: A method is provided for displaying an image based on a virtual reality (VR) apparatus. The method includes acquiring an image of raw-shooting-material and acquiring a shooting field-of-view (FOV) of the image of raw-shooting-material. The method also includes setting a scene FOV of a virtual scene of the VR apparatus according to the shooting FOV, and performing scene image generation and adaption to generate a scene image according to the image of raw-shooting-material and the scene FOV and to determine a size of the scene image according to the scene FOV. Further, the method includes determining a display area of the scene image by using a gyroscope sensor, and displaying the display area on a display screen of the VR apparatus.

Abstract: Alert device comprising electronic circuitry and at least a first antenna, wherein the circuitry is designed for sending out a first signal, for wireless communication with at least a first hand held communication device, and at least a second signal for wireless communication with at least a second hand held communication device, wherein the second signal differs from the first signal, preferably in at least one of transmitting energy, transmitting frequency, coding and pulse length, wherein the device comprises a switch for switching between: —a first mode in which only the first signal is transmitted and a second mode wherein the first and second signal are transmitted; or —a first mode wherein only the first signal is transmitted and a second mode wherein only the second signal is transmitted.