Abstract: A building ventilation system (1) comprising a central unit (2) and at least one electrical operating unit (3) for adjusting a movable member of a ventilation device, the central control unit (2) is connected to the at least one electrical operating unit (3) by two power supply wires (4) and configured to provide an operating voltage for operation of the at least one electrical operating unit (3) via the two power supply wires (4), wherein the power supply lines (4) are connected to an end module (5) and the central control unit (2) further is configured to provide a test voltage being lower than the operating voltage , wherein the end module (5) is configured to temporarily vary its load impedance with a predetermined pattern, and the central control unit (2) is configured to detect the temporarily varying load impedance of the end module.

Abstract: An air diffuser comprises a plurality of discharge elements (4a to 4d). The discharge elements are configured such that they are able to be arranged in the diffuser so as to abut to form a tessellation of discharge elements in a plane. At least one of the discharge elements may be displaceable out of the plane for adjustment of its orientation.

Abstract: An extraction fan has a housing mounted in a wall with an outlet duct extending through the wall to an outlet opening outside the wall. A damper flap is mounted on the fan suspended by a hinge at an upper edge so as to extend in a closed position across the opening and is movable to an open position under forward air flow from the fan, and tightly closes against a resilient deformable seal when the fan is shut off. A spring biasing cam applies inwards force to the damper flap to bias the damper flap into the closed position, and an outwards force also to bias the damper flap into the fully open position. The mounting plate includes a hood having a top wall extending over the top of the damper flap and a down-turned front flange extending parallel to the damper flap to a bottom edge.

Abstract: The present disclosure generally relates to broadcasting and telecommunication and, more particularly, to broadcasting of text and visual messages over a geographical area. In one embodiment, a visual information broadcaster is disclosed, comprising: a hardware processor; and a memory coupled to the processor, wherein the memory comprises a plurality of modules capable of being executed by the processor to perform operations, and wherein the plurality of modules comprises: a receiving module configured to receive a first input comprising a string of characters selected from a text, an image, or a combination thereof, a transforming module configured to transform the first input into a first image having at least two dimensions; an encoder module configured to convert the first image into a one-dimensional signal waveform; and a modulator module configured to modulate the one-dimensional signal waveform for transmission via a modulated one-dimensional signal waveform.

Abstract: A second transmission power control different from a first transmission power control being performed on a first wireless terminal connected to a wireless base station without a relay station is performed on a second wireless terminal connected to the wireless base station through the relay station.

Abstract: A transmission power management device including: a memory, and a processor coupled to the memory and configured to: acquire a first path loss between a first relay station and a second relay station, the first relay station relaying a first signal, the second relay station relaying a second signal, and adjust a first transmission power of the first signal by the first relay station based on the first path loss.

Abstract: Disclosed are an apparatus and method for communicating with satellite based on analog network coding. A method for satellite communication, according to one embodiment of the present invention, is a method for satellite communication of a satellite terminal and comprises the steps of: receiving transmission data from a feeder that directly transmits the transmission data to a satellite; receiving a superposed signal, in which the transmission data and reception data corresponding to the transmission data have been analog network coded, from the satellite; and extracting the reception data from the superposed signal using the superposed signal and the received transmission data.

Abstract: A method for pairing users of a wireless mobile communication device and a server thereof includes the following steps: (1) receiving the three-dimensional coordinates of a first wireless mobile communication device; (2) accessing a query database containing a piece of first relationship data and a plurality of pieces of second relationship data; (3) filtering at least one associated with the related attributes of the first relationship data from a plurality of pieces of second relationship data according to the related attributes of the first relationship data; (4) providing the three-dimensional coordinates of each said second wireless mobile communication device according to the filtered second relationship data; and (5) calculating the offset between the three-dimensional coordinates of the first wireless mobile communication device and the three-dimensional coordinates of each said second wireless mobile communication device.

Abstract: Example method, apparatus, and computer program product embodiments are disclosed for negotiation of wireless powering of passive objects. Example embodiments of the invention include a method comprising: receiving, via a radio frequency wireless interface of an apparatus, a radio frequency signal from a wireless device, indicating that the wireless device is capable of receiving optical powering; switching on, by the apparatus, an optical energy source in the apparatus; and transmitting, by the apparatus, from the optical energy source, optical power to the wireless device in response to the radio frequency signal.

Abstract: According to one embodiment, a communication device includes a single communication module and a controller. The single communication module operates in a first mode or a second mode. The first mode corresponds to near-field wireless communication. The second mode corresponds to wireless communication performed in a longer communication distance than a communication distance at which the near-field wireless communication is performed.

Abstract: A transaction system has a terminal device contactlessly communicating in the near zone for carrying out transactions with transaction partners disposed in the near zone. A relay end device is arranged to set up a contactless data communication with the terminal device and to relay transaction data received from the terminal device to a remotely disposed transaction unit. A server device switches the relay end device with the transaction unit as a transaction partner for the terminal device, depending on the type of the transaction.

Abstract: A wireless system (10) comprises an initiator device (11) and a plurality of responder devices (15-18) which can bind with the initiator device (11). The method comprises, at one of the plurality of responder devices, receiving (101) a discovery request from the initiator device and forming a discovery response and sending the discovery response to the initiator device. The step of forming a discovery response comprises: collecting (102) at least two parameters indicative of the initiator device wanting to bind with the responder device; computing (103) a score using the at least two parameters, the score being indicative of a likelihood of the initiator device wanting to bind with the responder device; and including (104) the score as an element of the discovery response.

Abstract: A portable bridge device and methods for transmitting application data from the portable bridge device to one or more local devices of varying types, platforms and operating systems are described. In one embodiment, the method comprises establishing communication channels between the portable bridge device and first and second local devices, determining a platform or operating system of the local devices, and formatting, based on the determined platform or operating system, application data and transmitting the formatted application data to a portable bridge device interface module of the local devices via the communication channels. The portable bridge device may also establish a long-range communication channel to a remote computing device, and may operate as a gateway to a remote source of applications or resources. Operation of locally connected devices with the portable bridge device is not impacted by a temporary loss of connectivity between the portable bridge device and remote sources.

Abstract: Disclosed is a pairing method which pairs electronic devices. Each electronic device includes a communication unit to communicate data and a light receiving unit to detect receiving light amount. The method includes the following. The electronic devices are set to a pairing standby state. Light intensity on the light receiving units is changed under a same light receiving environment. Time series data of receiving light amount detected by the light receiving unit of a second electronic device is transmitted from the second electronic device to a first electronic device. The electronic devices are paired based on time series data of receiving light amount detected by the receiving light units.

Abstract: Methods and systems are provided that allow Bluetooth bonding of machine-to-machine (M2M) devices to be remotely managed by a third party on behalf of a user.

Abstract: An electronic data sharing device for sharing user related information with users of other functionally similar electronic data sharing devices, the electronic data sharing device configured to: generate a temporary, non-unique, identification tag to identify the electronic data sharing device, transmit from the electronic data sharing device the generated identification tag via a wireless medium, receive at the electronic data sharing device a further identification tag generated by a further electronic data sharing device, and generate an alert on the electronic data sharing device when the transmission and reception of the identification tags coincide to indicate that the further electronic data sharing device is in the vicinity.

Abstract: According to one embodiment, there is provided information processing apparatus, including: a first communication module configured to perform a communication under a first communication scheme which corresponds to a proximity wireless communication requiring no authentication; a second communication module configured to perform a communication under a second communication scheme which has a communicable distance longer than that of the proximity wireless communication; and a communication controller configured to perform a control, after the first communication module has started a data transmission with another information processing apparatus under the first communication scheme, so as to change-over the first communication scheme to the second communication scheme and then perform the data transmission.

Abstract: A method of connecting an image forming apparatus to a network via Wi-Fi Direct, including: executing a Wi-Fi Direct function of the image forming apparatus so that the image forming apparatus operates as a soft access point (AP); displaying, when the image forming apparatus is connected to an external wireless device via the Wi-Fi Direct function, an embedded web page provided by the image forming apparatus on the connected wireless device; receiving access information of an infra network, to which the image forming apparatus is to be wirelessly connected, from the wireless device, wherein the access information is input via the displayed embedded web page; and establishing a wireless network connection between the image forming apparatus and the infrastructure network based on the access information received from the wireless device.

Abstract: Systems and methods are provided for enhancing a signal for load modulation from reading a smartcard. According to such methods, an antenna signal is generated by transceiver circuitry. An antenna signal field associated with the antenna signal can be transmitted. A reference signal that is substantially constant in amplitude and phase and substantially in phase with a carrier frequency of the antenna signal can be generated. A modulated antenna signal can be received. The modulated antenna signal can include the antenna signal that has been modulated as a result of the presence of a smartcard within the antenna signal field. The reference signal can be subtracted from the modulated antenna signal to produce a resultant signal. The resultant signal may be provided to receiving circuitry of the transceiver circuitry.

Abstract: A method (200) for determining statistics for the Direction of Departure between a UE and a base station. The method (200) comprises receiving measurement reports from the UE on the strength of signals in the UE from one or more of the cells served by the base station, and for one pair of cells served by the base station, determining (220) whether or not the UE was limited in measuring the strength of the signals, and, if the UE was limited, determining (230) said statistics using the signal strengths from the cells in the pair, the cells' antenna gain towards the UE and the maximum difference between the signal strengths from the cells in the pair, and if the UE was not limited, determining (225) said statistics using the signal strengths from the cells in the pair and differences in the cells' antenna gain towards the UE.

Abstract: Provided are methods, corresponding apparatuses, and computer program products for performing spectrum sensing on a spectrum. A method comprises receiving, at a user equipment, information regarding performing spectrum sensing from a base station; performing, based upon the information, the spectrum sensing by the user equipment in an idle mode; and transmitting, by the user equipment out of the idle mode, to the base station a result of the spectrum sensing. With the claimed inventions, transmission interruption caused by non-idle user equipments performing the spectrum sensing would be eliminated.

Abstract: A method of measuring channel information using a terminal in a communication system, according to an embodiment of the present invention, includes the steps of: receiving channel measurement setup information from a base station; entering an idle mode in the state of communication with the base station; measuring information indicating according to the channel measurement setup information; and transmitting a signal including the measured information to the base station.

Abstract: A wireless communication device may obtain, from each of one or more access points, access point information including network identification information corresponding to the access point. The wireless communication device may determine, in a case where specific network identification information corresponding to a specific access point is selected by a user from among one or more network identification information, whether specific access point information obtained from the specific access point includes support information indicating that the specific access point is supporting an automatic wireless setting mode. The wireless communication device may perform a wireless setting in accordance with the automatic wireless setting mode in a first case where a determination is made that the specific access point information includes the support information.

Abstract: The present invention is an antenna system of a mobile communication base station, comprising: a signal separation unit which is arranged within a radome of an antenna, and which separates a synthetic signal of a wireless signal transmitted from a main system of a base station through a feeder cable, a direct current power signal and a control signal having a preset format for controlling the antenna, in such a manner that the direct current power signal and the control signal are output by being separated from the wireless signal and the wireless signal is provided to an antenna unit; and equipment to be remotely controlled having a modem for receiving the direct current power signal and the control signal output from the signal separation unit and using the direct current power signal as an operating power and converting the control signal into a format which is preset to be internally recognizable in the radome of the antenna, the equipment to be remotely controlled performing an antenna control operation

Abstract: An antenna or set of antennae for a wireless device is provided by embedding the antennae into the battery case or generally the surface area of a wireless phone. The antenna connections are through the battery's connections to the wireless device. The antenna can be located at the back surface of the battery or the rear surface of a wireless phone, facing away from the user. An RF shielding device can be embedded into the battery and configured in relation to the antenna such that the RF field intensity and the consequent specific absorption rate for the user is lowered while the outgoing signals of the wireless device remain fully adequate for the function of the wireless device. This feature is preserved for a multi-band operation because a digital phase shifter is used between two radiating antennae. An external case is used as a complement to the wireless phone.

Abstract: Devices and methods are disclosed for real-time calibration of a tunable matching network that matches the dynamic impedance of an antenna in a receiver. Processing logic is operable to solve multiple non-linear equations to determine the reflection coefficient of the antenna. The tunable matching network is repeatedly perturbed and the power received by the antenna is measured after each perturbation at the same node in the matching network. The measured power values are used by an optimizer in converging to a solution that provides the reflection coefficient of the antenna. The reflection coefficient of the antenna may be used to determine the input impedance of the antenna. The elements of the matching circuit may then be adjusted to match the input impedance of the antenna.

Abstract: An RF front-end module includes a transmitting/receiving terminal, a control unit, a first transmitting block and a second transmitting block. The first transmitting block and the second transmitting block connect the transmitting/receiving terminal and the control unit. The control unit controls on or off status of the first transmitting block and the second transmitting block. Thus, the first transmitting block and the second transmitting block can send a signal to the transmitting/receiving terminal directly without pass through any switch unit, avoiding extra signal loss on switch unit.

Abstract: According to one embodiment, a buffer circuit has a capacitor comprising a first terminal and a second terminal, an input signal being inputted to the first terminal, a first inverting amplifier circuit configured to invert and amplify a signal of the second terminal of the capacitor, a second inverting amplifier circuit configure to invert and amplify an output signal of the first inverting amplifier circuit, and a MOS (Metal Oxide Semiconductor) transistor comprising a third terminal, a fourth terminal and a gate, the third terminal being connected to the second terminal of the capacitor, the fourth terminal being connected to a connection node of the first and the second inverting amplifier circuits, an inversion signal of the input signal being inputted to the gate.

Abstract: An electronic device has a multilayer substrate that has an interface surface configured for interfacing to a dielectric waveguide. A conductive layer on the substrate is etched to form a dipole antenna disposed adjacent the interface surface to provide coupling to the dielectric waveguide. A reflector structure is formed in the substrate adjacent the dipole antenna opposite from the interface surface.

Abstract: A system includes an electronic device coupled to a mating end of a dielectric wave guide (DWG). The electronic device has a multilayer substrate that has an interface surface configured for interfacing to the mating end of the DWG. A conductive layer is etched to form a dipole antenna disposed adjacent the interface surface. A reflector structure is formed in the substrate adjacent the dipole antenna opposite from the interface surface. A set of director elements is embedded in the mating end of the DWG. Specific spacing is maintained between the dipole antenna and the set of director elements.

Abstract: A system includes an integrated circuit that has a substrate with a top surface and a bottom surface. Semiconductor circuitry is including a radio frequency (RF) amplifier configured to produce an RF signal or an RF receiver configured to receive an RF signal is formed on the top surface of the substrate. A through-substrate via is coupled to an output of the RF amplifier. A metalized antenna formed on the bottom surface of the substrate is coupled to the through-substrate via. The metalized antenna is configured to launch an electromagnet wave representative of the RF signal into a dielectric waveguide (DWG) when the DWG is coupled to the bottom side of the substrate.

Abstract: Logarithmic Detector Amplifiers (LDAs), multiple antennas, active antennas, and multiple active antennas and receivers are provided in a variety of configurations that are synchronized to reduce or eliminate interference so at to provide, a greater range and bandwidth between wireless routers and their clients in WLAN and WAN environments.

Abstract: A method and corresponding device for processing a frequency-modulated analog signal are disclosed. The signal includes a number of symbols belonging to a set of M symbols respectively associated with at least one frequency of a set of M frequencies. The method includes a phase of reading each symbol of the signal that includes a sampling of a signal portion corresponding to the duration of a symbol and delivering N samples (M being less than N). M individual discrete Fourier transform processing operations are performed on the N samples. Each individual processing operation is associated with each of the frequencies. The M individual processing operations deliver M processing results. The value of the symbol can be determined from the M processing results.

Abstract: An apparatus for determining a received signal level of a radio wave in a ray-tracing wave propagation environment includes a reception unit configured to receive the radio wave; and an analyzing unit configured to determine the received signal level of the radio wave in the ray-tracing wave propagation environment. Further, the analyzing unit is configured to analyze a correlation of the height and altitude of a surface roughness that recognizes the surface of a surrounding obstacle depending on the length of wavelength in the course of delivery of a received signal of the radio wave and analyze precisely the scattering of the received signal depending on the surface roughness to determine the received signal level of the radio wave when determining the received signal level.

Abstract: A control device of a receiving device includes an interference wave detector that detects an interference wave within an intermediate frequency band in a signal converted by a mixer that converts a reception signal of a radio frequency band with a certain radio frequency as a center into an intermediate signal of the intermediate frequency band based on a signal of a local oscillation frequency different from the radio frequency. The control device further includes a frequency controller that changes the local oscillation frequency so that the intermediate frequency band gets away from a band of the interference wave when the interference wave is detected.

Abstract: A circuit used in a mixer configured to receive a signal made up of a relatively small modulation signal and a relatively large carrier signal is described. The mixer includes multiple switches. A balancing circuit configured to receive a supply voltage and a clocking signal is provided, and the balancing circuit provides a control signal to a switch in the mixer. The balancing circuit includes a capacitor configured to receive and selectively dissipate charge as a gate voltage along a gate path. The control signal causes switching of the switch in the mixer at times in accordance with the clocking signal according to a voltage difference value between a source voltage and the gate voltage, wherein the voltage difference value between the source voltage and the gate voltage is approximately a predetermined voltage value greater than a turn on voltage level of the switch.

Abstract: The present invention provides a vehicle-mounted audio device including a casing, a tuner, an audio output unit, a housing chamber, an opening of the housing chamber, a housing, a lock mechanism, and a casing connector. The tuner is disposed in the casing. The audio output unit is for amplifying and outputting an audio signal supplied from the tuner. The housing chamber is defined in the casing. The opening is defined in a front panel of the casing. The housing is for accommodating a portable audio device. The housing is removably housed in the housing chamber through the opening. The lock mechanism is for selectively locking the housing in the housing chamber and unlocking the housing from the housing chamber. The casing connector is electrically connected to the audio output unit and disposed in the housing for disengageably connecting to an audio signal output connector of the portable audio device.

Abstract: Alarm messages are transmitted to subscriber terminals of a radio communication system by signalling the alarm presence through a control channel to the subscriber terminals by at least one base station of the radiocommunication system using at least one system information item. Upon reception of the system information item by the subscriber terminals, the subscriber terminals transmit at least one respective recorded alarm signal.

Abstract: Systems and methods for handling emergency notification messages such as Commercial Mobile Alert System (CMAS) alerts. In one example, a mobile communications device receives a text-based emergency alert message, converts at least some of the message content into an audio format, and then audibly plays the message. Such a system may enable additional persons to receive emergency notifications who otherwise may not receive them, for example, persons with visual impairments, or persons using communications devices that are unable to display text. In another example arrangement, a response center receives a text-based message, recognizes that a particular remote communications device is not capable of displaying the text-based message, derives from the content of the text-based electronic notification message data or signals that render at least some of the content of the text-based electronic notification message into an audio format, and transmits the data or signals to the communications device.

Abstract: A disaster response system receives location data and status data from participating devices in an area affected by a disaster. The disaster response system provides data to client devices outside the affected area. The data indicate statuses of people within the affected area. Disaster response system also instructs routers to perform actions to adjust bandwidth available for a particular use during and after the disaster.

Abstract: A communication control device includes: a memory; and a processor coupled to the memory and configured to: acquire association information in which identification information of a first communication terminal is associated with identification information of a second communication terminal that is different from the first communication terminal, detect occurrence of a disaster, and execute call control so as to call the first communication terminal and the second communication terminal and enable a call to be established between the first communication terminal and the second communication terminal based on the acquired association information when the processor detects the occurrence of the disaster.

Abstract: An internet-protocol (IP) based distributed emergency text message architecture for providing reliable text to 911 services. The distributed emergency text message architecture distributes call routing and media transportation functionalities implemented in a conventional text to 911 solution over the following network entities: an emedia aggregation gateway, an emedia message broker, and an emedia distribution server. An emedia aggregation gateway, emedia message broker, and emedia distribution server each interconnect over an IP network to deliver emergency text messages directly to legacy public safety answering points (PSAPs). Uncoupling emergency services call routing and media transportation functionalities into multiple distributed elements absolves scaling issues associated with the conventional text to 911 solution.

Abstract: A communication device and system are disclosed for providing communication and data services to residents of a controlled facility. The device can be restricted to communicating only using an internet protocol so as to restrict the device communication to an internal intranet. Wireless access points may be disposed throughout the environment to route calls and data between the device and a central processing center. By converting a protocol of the communications received from the device to a protocol used by the central processing center, minimal modifications to the central processing center are needed to support a wireless communication infrastructure. Many restrictions and safeguards may be implemented within the phone and system in order to prevent improper use.

Abstract: A method for circulating a message to a group of people, including sending a circulated message by a 1st mobile communicator, and sequentially receiving the circulated message by an nth mobile communicator and sending the circulated message to an (n+1)st mobile communicator, n=2, 3, . . . , N?1, wherein each one of the N mobile communicators has a distinct phone number. A system is also described and claimed.

Abstract: Controlling authentication of a device within a cellular network is provided. The authentication allows the device to access a non-cellular network via an access point and is between the device and an authenticating entity within the cellular network. Information is obtained about a state associated with the device. Based on the obtained information, it is evaluated whether to allow the device to perform authentication with the authenticating entity. This may be done at the device.

Abstract: In an information sharing system, a data security apparatus includes a location acquisition device for acquiring GPS location information of a current location of a mobile terminal apparatus. A location evaluator checks whether the mobile terminal apparatus is located within a zone area according to the location information. A storage device stores association information of a relationship between the zone area and medical data of a medical chart allowed to be read within the zone area by authorization. A cancellation signal generator generates a cancellation signal for instructing cancellation of the medical data in case the location evaluator judges that the mobile terminal apparatus is moved out of the zone area. Furthermore, a data distributer transmits the medical data to the mobile terminal apparatus. In case the location evaluator judges that the mobile terminal apparatus has entered the zone area, the data distributer starts transmitting the medical data.

Abstract: According to various embodiments, a radio device may be provided. The radio device may include a configurable component, a configuration information transmitter configured to transmit information identifying the radio device and an identifier of a configuration of the configurable component to a regulation server; and a permission information receiver configured to receive from the regulation server information indicating as to whether the radio device is permitted to use the configuration of the configurable component or as to whether a pre-determined configuration of the configurable component is to be used by the radio device.

Abstract: Systems and methods for controlling, filtering, and monitoring mobile device access to the internet are disclosed. According to an embodiment a server is responsible for controlling, filtering and monitoring internet activity. For every request, the server interacts with back-end databases that categorize requests, and based on user/carrier/corporate settings, allow or disallow access to particular content.

Abstract: The invention relates to a telecommunications network configured for providing access to a plurality of terminals is proposed and a method therefore. Each terminal comprises a unique identifier for accessing the telecommunications network. The telecommunications network comprises a register, an access request receiver and an access module. The register is configured for storing the unique identifier of at least one terminal in combination with at least one grant access time interval, or an equivalent thereof, during which access for the terminal is permitted. The access request receiver is configured for receiving the access request and the unique identifier for accessing the telecommunications network from the terminal. The access module is configured for denying access for the terminal if the access request is received outside the time interval, or the equivalent thereof.

Abstract: A handheld device including a memory, a wireless interface, and a non-wireless interface. The memory is configured to store authentication information in the handheld device. The authentication information identifies a user of the handheld device. The wireless interface is configured to interface the handheld device to a wireless network, and to permit the user of the handheld device to communicate with the wireless network based on the authentication information stored in the memory of the handheld device. The non-wireless interface is configured to interface the handheld device to a remote device including an interface compatible with the non-wireless interface of the handheld device, and to permit the remote device to communicate with the wireless network via the wireless interface of the handheld device.