Abstract: A floor pan for connecting a roof-mounted cooling device to the roof of a switchgear cabinet for coupling an interior of the switchgear cabinet to the inner circuit of the refrigerant circulation of the roof-mounted cooling device, having at least one air inlet opening aligned with the hot air outlet of the inner chamber of the switchgear cabinet and at least one air outlet opening communicating with the cold air inlet(s) of the inner chamber of the switchgear cabinet. A plurality of air outlet openings are arranged surrounding at least one air inlet opening, and at least some air outlet openings are covered by ventilation louvres that are pivotable about an axis running in the plane of the floor and are rotatable about an axis running perpendicular to the plane of the floor.

Abstract: A joining member (1) includes an air-permeable membrane (11), a first adhesive layer (21) provided on a side of a first principal surface (11a) of the air-permeable membrane (11), a second adhesive layer (22) provided on a side of a second principal surface (11b) of the air-permeable membrane (11), an opening (21h) formed in the first adhesive layer (21), and a vent groove (1d) formed through the second adhesive layer (22) or between the second adhesive layer (22) and the air-permeable membrane (11). The vent groove (1d) includes a first portion (D1) extending from an outer peripheral edge of the joining member (1) to a region corresponding to the opening (21h) and a second portion (D2) to which the second principal surface (11b) of the air-permeable membrane (11) is exposed in the region corresponding to the opening (21h).

Abstract: Improvements in the manufacture, mounting and implementation of dry open window (DOW) structures. Such structures comprise a plurality of louvers which, when viewed in cross section, have “V” or “W” shapes that enable air to pass through a window opening while substantially preventing precipitation to pass, the precipitation instead being captured by the louvers for collection or drainage. Apparatus for mounting a DOW structure in overlying registration around the periphery of an existing window opening may include four corner frame members around and containing the DOW structure. The frame members slidingly engage, with fasteners being provided to lock the frame members to one another when they form an assembled rectangle with dimensions corresponding to the periphery around a window opening. A plurality of components are then provided for mounting the frame members and DOW structure contained therein to the periphery of the window opening.

Abstract: A gas release device for a coating process includes an upper plate, a first intermediate plate, a second intermediate plate, and a lower plate, four of which are superposed on each other from top to bottom. The upper plate is linked and communicates with the first intermediate plate through a first passage. The first intermediate plate is linked and communicates with the second intermediate plate through at least two second passages. The second intermediate plate is linked with the lower plate through at least four third passages. The lower plate includes at least four ventholes. In light of this, after a gas of a vapor deposition source enters the inlet, the gas of the same amount can be released out of each venthole to make the thickness of a thin film uniform for relatively higher quality of the coating process.

Abstract: Provided are apparatuses, methods, and systems to clear a road surface of debris, water, or other contaminants. A system for clearing a road surface is provided including an air knife with an elongate orifice extending along a line, a frame configured to support the air knife in a position substantially parallel to a plane defined by the road surface, and a tow bar coupled to the frame, where the tow bar is pivotable relative to the frame along an axis orthogonal to the plane defined by the road surface. The system may include a mounting plate connected to the tow bar, where the mounting plate is pivotably mounted to the frame. The air knife may be supplied with pressurized air to clear the road surface of debris. A guide wheel may be attached to the frame, where the guide wheel is configured to rotate about an axis orthogonal to the plane defined by the road surface.

Abstract: There is disclosed a shroud for a refrigerator including a blower for generating air flow; a first region arranged on the right of the blower, the first region comprising an outlet hole for a first storage chamber for exhausting cold air to the first storage chamber; a second region arranged on the left of the blower, the second region comprising an outlet hole for a second storage chamber for exhausting cold air to the second storage; a third region arranged under the blower, the third region comprising an outlet hole for the second storage chamber; and a first guide arranged between the second region and the third region, projected closer to a rotational center of the blower, to guide air flow.

Abstract: A ventilator includes a body casing having an opening formed in its lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, for sucking indoor air from the opening and exhausting the indoor air from the exhaust port; a resin fan casing that has a suction port and forms an air passage of the fan; a protection frame formed outside the air passage to cover a terminal block provided outside the air passage; a resin terminal block cover that watertightly seals a protection frame opening of a lower portion of the protection frame and is opened and closed; a sheet-metal case that is provided in the protection frame and stores the terminal block; and a sheet-metal terminal block cover that opens and closes a lower opening of the sheet-metal case.

Abstract: A ventilating roof is provided with a roof structure; a pair of spaced base members formed upwardly from top edges of the roof structure respectively, each base member including a plurality of top vent holes; and a ventilating ridge roll disposed on both the base members and the roof structure and being in a partial covering relation to the roof structure, the ventilating ridge roll including a plurality of upper and lower vent holes. The top vent holes are in air communication with both the upper and lower vent holes by natural convection.

Abstract: Presence detection using Bluetooth and hybrid-mode transmitters is disclosed. In some embodiments, one or more transmitters are configured to transmit an iBeacon broadcast and a proprietary Bluetooth Low Energy (BTLE) broadcast, wherein at least one of the transmitted broadcasts includes an identifier that specifies a venue. The broadcasts are captured by a handset and decoded to infer presence of the handset at the venue.

Abstract: The Embodiments provides a system and method for relaying data across electronic devices using Near-Field Communication (NFC). The method includes establishing a communication channel with an electronic device in a network and transmitting a command to access a service associated with the electronic device. Further, the method includes determining parameters associated with the electronic device based on the command and accessing the service associated with the electronic device in accordance to the determined parameters.

Abstract: A method for establishing a wireless connection between an electronic device and a computer host is provided. Firstly, a near field communication between a NFC reader of the computer host and a NFC tag of the electronic device is performed. Then, a Bluetooth wireless communication between the electronic device and the computer host is performed, and the NFC tag is disabled. Consequently, the NFC tag is not repeatedly read by the NFC reader. In other words, the use of the electronic device is more convenient.

Abstract: Technologies for one-tap connection and synchronization with a device in a non-active state are disclosed. When a user brings a first device enabled for Near Field Communication (NFC) to close proximity of a second NFC-enabled device when the second device is in a non-active state, the second device may be awakened, or placed in an active state, for a period of time to perform one or more operations before returning to the non-active state. These operations include, for example, allowing the first device to access data stored in the second device and synchronizing one or more applications installed on the second device with remote servers.

Abstract: Described herein are techniques related to near field coupling and proximity sensing operations. For example, a proximity sensor uses a coil antenna that is utilized for near field communications (NFC) functions. The proximity sensor may be integrated into an NFC module to form a single module.

Abstract: Technologies are presented for securing NFC exchange through movement of at least one of the communicating devices. In some examples, a first device, utilizing a communication module and a processor, may transmit an initial NFC handshake signal as the first device is being moved relative to a second device. The second device, utilizing a communication module, two or more antennae, and a processor, may receive the initial NFC handshake signal from the first device. Each device may record a movement of the first device. The second device may transmit a message to the first device that includes a recording of the movement at the second device and a temporary secret. Once the first device determines that the movement recorded at the second device matches the movement recorded at the first device, the first device may use the temporary secret to encrypt further communication with the second device.

Abstract: A mobile wireless communications device may include a housing, a wireless transceiver carried by the housing, a processor carried by the housing and coupled to the wireless transceiver, and an NFC IC carried by the housing and coupled to the processor. The mobile wireless communications device may also include an NFC antenna carried by the housing, and a coupling circuit between the NFC IC and the NFC antenna. The coupling circuit may include a capacitive network including capacitors coupled in series with each other and in parallel with the NFC antenna, a transmit branch coupled between the NFC IC and a first node between a first pair of capacitors, and a receive branch coupled between the NFC IC and the first node between the first pair of capacitors.

Abstract: In one embodiment, a communication apparatus is provided. The apparatus includes a near field communication circuit designed to update at least one event field, associated with a number of occurrences of at least one event, which converted from a first data coding format to a second data coding format and provided in an external communication message that is communicated automatically or in response to receiving an access command. Also included in the instant specification are communication systems, and methods of communicating.

Abstract: Disclosed herein is an apparatus for controlling the ringtone, camera, and communication functions of a mobile terminal using a Near Field Communication (NFC) chip module and an external Radio Frequency (RF) reader. The apparatus includes an NFC chip module, a base band chip, and a USIM card. The NFC chip module is electrically connected to the base band chip of a mobile terminal, allows a command data signal, received from an external RF reader via an RF antenna, to be transmitted to the base band chip or a Universal Subscriber Identity Module (USIM) card of the mobile terminal, and receives the result of terminal processing of the base band chip which operates in compliance with an external command, and transmits the result of the terminal processing to the external RF reader via the RF antenna.

Abstract: An electronic apparatus is cooperated with an operation apparatus and includes a display panel and a transceiver module. The display panel has at least one electrode. The transceiver module has a transmission unit and a receiving unit. The information exchange between the electronic apparatus and the operation apparatus is performed by at least one of the following ways: the operation apparatus couples and receives a first data transmitted from the electrode, the transmission unit delivers a second data from the electronic apparatus to the operation apparatus, and the receiving unit receives a third data transmitted from the operation apparatus. A data transmitting system is also disclosed. Accordingly, a near field wireless data transmission, which can be applied to not only the near field transmission of data or file but also the far distance data transmission by cooperating with the current communication transmission system, is provided.

Abstract: A Bluetooth receiving device with a decorative function includes a Bluetooth body and a decorative cover coupled to the Bluetooth body to form an ornament. The ornament may be a facial ornament, a brooch, a wristlet, a tie clip or an ornament retained to a user's personal belonging.

Abstract: A method of switching pairing between Bluetooth devices is disclosed. In one embodiment, the method is adapted to a Bluetooth server and two Bluetooth clients. The method enables the first Bluetooth client to interchange its pairing information with the Bluetooth server and the second Bluetooth client. Therefore, the Bluetooth server could use the interchanged pairing information to quickly connect with the second Bluetooth client.

Abstract: A communication device for performing device-to-device (D2D) wireless communications with a first neighboring communication device is provided. The D2D communication device includes a wireless module, a counter, and a controller module. The wireless module performs wireless transmissions and receptions. The counter has a count value and a threshold value. The controller module determines whether to broadcast proximity signal via the wireless module according to a comparison result of the count value and the threshold value, wherein the controller module determines to broadcast a first proximity signal to the first neighboring communication device via the wireless module when the count value reaches the threshold value, wherein the count value of the counter is changed according to a second proximity signal broadcasted by the first neighboring communication device.

Abstract: Establishing communication with a device includes detecting, at a first device, a physical interaction between the first device and a second device; at least one of obtaining at the first device and providing to the second device, a network address usable for establishing communication between the first device and the second device, the network address identified based on information associated with the detected physical interaction; and automatically wirelessly transferring content using the network address, wherein transferring content includes at least one of receiving content at the first device from the second device and providing content from the first device to the second device.

Abstract: A pairing method between Bluetooth devices can be applied to a Bluetooth system, a Bluetooth client and a Bluetooth server. The Bluetooth server has an image corresponding to an identifier of the Bluetooth server. A Bluetooth client device captures the image, analyze the image to obtain the identifier, and send out a pairing command having the identifier. The Bluetooth server starts a connected mode with the Bluetooth client according to the pairing command.

Abstract: Methods and systems are described for providing Bluetooth and Wi-Fi coexistence on an electronic device. Aspects of exemplary embodiments include determining Bluetooth link parameters for a Bluetooth connection and Wi-Fi link parameters for a Wi-Fi connection. Also, a Bluetooth path loss for the Bluetooth connection and a Wi-Fi path loss for the Wi-Fi connection can be determined. According to this embodiment, one or more link conditions, based upon one or more of the Bluetooth link parameters, the Wi-Fi link parameters, the Bluetooth path loss, and the Wi-Fi path loss, may be calculated to determine if simultaneous collaboration between the Bluetooth connection and Wi-Fi connection is feasible. In response to simultaneous collaboration being feasible, the Bluetooth link parameters and the Wi-Fi link parameters are customized based on the one or more link conditions to permit simultaneous collaboration between the Bluetooth connection and the Wi-Fi connection.

Abstract: In one embodiment, a method of directing calls on a mobile communication device comprises receiving a call at the mobile communication device; determining that the received call is directed to subscriber identity information associated with a short-range enabled communication device; selecting on which of the mobile communication device and the short-range enabled device to answer the call; and directing the call to the selected device.

Abstract: Detecting wireless transmit/receive units (WTRUs), by a WTRU over Bluetooth, is disclosed. An input from a multi-touch display to select a target WTRU from the detected WTRUs is processed. The WTRU transfers to the selected target WTRU over WiFi a selected media.

Abstract: The present invention relates to a method of a node such as a geo-location database, for controlling an aggregated interference generated by at least two white space units in at least one point in space for at least one frequency channel. A model of propagation channels from each of the at least two white space units to each of the at least one point comprises a variable with a lognormal distribution. The method comprises receiving (810) requests for usage of white space frequency channels from the at least two white space units, the requests comprising positions of the at least two white space units. The method also comprises determining (820) output power limits for the at least two white space units by maximizing a utility function while fulfilling a probabilistic constraint on the amount of aggregated interference generated in each of the at least one point, based on the received requests and on said model of propagation channels.

Abstract: A radio communication device may be provided. The radio communication device may include: a receiver configured to receive data using an antenna on a first carrier and a second carrier; an operation mode determination circuit configured to determine an active antenna operation mode based on information of the first carrier and information of the second carrier; and an antenna controller configured to control the antenna to operate in the determined active antenna operation mode.

Abstract: Methods and apparatuses for point-to-point or point-to-multipoint transmission/communication of high bandwidth signals. High bandwidth signals may be efficiently transmitted by a radio device having a pair of reflectors separated by an isolation choke boundary. The two reflectors may be connected or formed of a single housing, and may be mounted to a wall, pole, etc. using a quick-connect. The devices may be configured to operate in any appropriate band (e.g., a 5 GHz band, a 24 GHz band, etc.) and may be configured for accurate and easy alignment with one or more remote radio devices. Alignment may be assisted by displaying both local and remote transmission information during alignment.

Abstract: There is provided a wireless transmission system comprising at least one mobile transmitter for wireless audio transmission having a user interface. The wireless audio transmission system further has a stationary receiver for receiving the wireless audio transmission from the at least one mobile transmitter. The receiver has a receiving unit for wirelessly receiving the audio signals transmitted from the mobile transmitters. The stationary receiver also has an audio processing unit for performing audio processing of the audio signals received by the receiving unit and a sound check unit for analyzing the wireless audio signals received by the receiving unit. The stationary receiver further has a transmitter for transmitting at least parts of the analysis of the sound check unit to the mobile transmitters by way of a return channel.

Abstract: One aspect provides a method of controlling transmit power in a wireless device, wherein a desired transmit power is determined as a result of detection of a receive signal parameter. The method comprises detecting a desired maximum transmit power and generating a sequence of attenuation factors. The sequence is generated by monotonically increasing a variable at a controlled rate between a starting value and the maximum transmit power. The method further comprises using each attenuation factor in turn to: (a) reduce the measured value of the received signal power; and (b) reduce a determined desired value of the transmit power, where the transmit power is continually reduced as the variable is increased.

Abstract: According to one embodiment, an antenna apparatus comprises an antenna element connected to a feeding point, a grounded first lumped constant element connected to the antenna element, and a grounded second and third lumped constant elements connected to the antenna element through a selector. The selector is configured to connect the grounded second lumped constant element to the antenna element in order to lower a resonant frequency of the antenna element, and to connect the grounded third lumped constant element to the antenna element in order to raise the resonant frequency of the antenna element.

Abstract: A wireless communication device uses operational parameters stored in a capabilities list to control operation of the device. The device may also provide auxiliary services, such as reception of broadcast television signals and location detection using network assisted GPS. When auxiliary services are selected, the cellular operation may cause interference with the auxiliary services. The wireless communication device includes a reduced set of capabilities to control operation of the wireless communication device when an auxiliary service is requested. The particular set of reduced capabilities may depend on the specific type of auxiliary service that has been requested. Upon termination of the auxiliary services, the full capabilities list may be restored and the operation of the wireless communication device is thereafter controlled by the full set of operational capabilities.

Abstract: An apparatus and method cancel transmitter leakage. The method includes generating a leakage cancelation signal by processing a downconverted signal for cancelation of a leakage signal caused by a transmitter and upconverting the downconverted signal to a radio frequency of the transmitter. The method also includes canceling at least some of the leakage signal in a received signal using the leakage cancelation signal.

Abstract: A high frequency semiconductor switch has a first terminal, second terminals, a first through FET group, second through FET groups and a shunt FET group. The first through FET group has first field effect transistors connected serially with each other. One end of the first through FET group is connected to the first terminal. Each of the second through FET groups has second field effect transistors connected serially with each other. One end of each of the second through FET groups is connected to each of the second terminals. The other end of each of the second through FET groups is commonly connected to the other end of the first through FET group. The shunt FET group has third field effect transistors connected serially with each other between the second terminal and a ground terminal.

Abstract: A multi-stage radio frequency (RF) power amplifier includes a high-power amplifier path and a low-power amplifier path. The low-power amplifier path includes gain synchronization circuitry in order to synchronize the gain response of the high-power amplifier path and the low-power amplifier path. By synchronizing the gain response of the high-power amplifier path and the low-power amplifier path, the gain linearity of the multi-stage RF amplifier is improved.

Abstract: Antenna tuning switch circuitry includes an input port, a shunt switch, control circuitry, and an integrated ground. The shunt switch is coupled between the input port and the integrated ground. The control circuitry includes a control signal input port, a switch driver output port coupled to the shunt switch, and a ground connection port coupled to the integrated ground. The shunt switches, the RF input ports, the control circuitry, and the integrated ground are monolithically integrated on a single semiconductor die. The antenna tuning switch circuitry is adapted to selectively couple the input port to the integrated ground in order to alter one or more operating parameters of an attached antenna. By monolithically integrating the shunt switch together with the control circuitry and the integrated ground, the ON state impedance and the parasitic OFF state impedance of the antenna tuning switch circuitry can be significantly improved.

Abstract: A mobile communication device including a main board, a flexible printed circuit board (FPCB) and a transmission line. The main board includes a central process unit (CPU) disposed on the main board for outputting and receiving a control signal, and a wireless transmitter disposed on the main board and coupled to the CPU for modulating and demodulating a wireless signal. The FPCB is coupled to the CPU to operate as an antenna for transmitting the control signal and radiating and receiving the wireless signal. The FPCB includes a transmission unit coupled to the CPU for transmitting the control signal, a radiation unit for radiating and receiving the wireless signal, and a feed point formed on the radiation unit for feeding the wireless signal to the radiation unit. The transmission line is coupled between the feed point and the wireless transmitter for transmitting the wireless signal.

Abstract: A distortion module includes a first module, at least one module and a correction module. The first module is configured to (i) receive radio frequency signals from radio frequency sensors of a power amplifier, and (ii) generate a distortion signal indicating distortion values for the radio frequency signals. The radio frequency signals are indicative of radio frequency power out of the power amplifier and received by a transmission line. At least one module is configured to estimate a phase of the distortion signal. The phase of the distortion signal is indicative of a phase of the transmission line. The correction module is configured to generate a distortion correction signal based on the phase to correct at least one of the distortion values of the radio frequency signals.

Abstract: One or more beamsteering matrices are applied to one or more signals to be transmitted via multiple antennas. After the one or more beamsteering matrices are applied to the one or more signals, the plurality of signals is provided to a plurality of power amplifiers coupled to the multiple antennas. Signal energies are determined for the plurality of signals provided to the plurality of power amplifiers, and relative signal energies are determined based on the determined signal energies. Output power levels of the plurality of power amplifiers are adjusted based on the determined relative signal energies.

Abstract: One embodiment of the present invention provides a transmitter for wireless communication. The transmitter includes a wideband tunable modulator, a number of power amplifiers with a particular power amplifier associated with a particular frequency range, and a wideband power amplifier (PA) driver. The PA driver is configured to receive an output signal from the wideband tunable modulator, amplify the output signal, and send the amplified output signal to at least one of the power amplifiers.

Abstract: A mobile wireless device adapts receive diversity during discontinuous reception based on downlink signal quality, page indicators and page messages. When the downlink signal quality exceeds a pre-determined threshold, the mobile wireless device decodes a page indicator channel through an initial antenna, and otherwise, decodes a paging channel through the initial antenna without decoding the page indicator channel. The mobile wireless device switches to decoding the paging channel through an alternate antenna when a page indicator decodes as an erasure. When a paging message received through a single antenna decodes with an incorrect error checking code, the mobile wireless devices enables receive diversity through multiple antennas for subsequent decoding. The mobile wireless device switches between single antenna reception and multiple antenna reception based on tracking multiple consecutive error checking code failures and successes.

Abstract: A multimode rake receiver comprise a common antenna interface, arranged to at least receive in a first mode a first CDMA radio channel carrying information encoded according to a first baseband modulation standard and to receive in a second mode a second CDMA radio channel carrying information encoded according to a second baseband modulation standard; and a common signal processing path, at least arranged to process in the first mode the first CDMA radio channel and in the second mode the second CDMA radio channel, wherein the common signal path comprises a common descrambling and de-spreading unit and a common hybrid code generating unit arranged to provide to the common descrambling and de-spreading unit chip codes applicable in the first mode to the first CDMA radio channel and in the second mode to the second CDMA radio channel.

Abstract: An aircraft radio comprises a receiver, an audio output, and a processing element. The receiver is tuned to a first radio frequency which provides a first audio signal and a second radio frequency which provides a second audio signal. The audio output provides an audio signal to a listening device. The processing element is coupled to a memory element and is configured to tune the receiver to the first radio frequency for a first time period, present the first audio signal to the audio output during the first time period, tune the receiver to the second radio frequency for a second time period to detect presence of the second audio signal, and present audio derived from the first audio signal to the audio output during at least a portion of the second time period.

Abstract: Embodiments include Direct-Conversion Receiver (DCR) apparatus, and methods for performing automatic frequency control based on a received signal. An initial frequency offset value is selected from a lookup table and applied to the receiver's local oscillator. Digital samples are generated based on the received signal, and stored in a buffer in sequential order. A DC estimator performs multiple iterations of a DC component estimation process. The process includes iteratively applying an analysis window to more recently-stored, buffered samples, in order to identify a set of the buffered samples. Within the set of buffered samples, an intermediate value between the amplitudes of two samples is determined (e.g., samples having the largest and smallest amplitudes). Between at least some of the multiple iterations, the number of samples that defines the size of the analysis window is increased.

Abstract: A wireless device for receiving wireless signals based on channel conditions is described. The wireless device includes a direct sampling path used when operating in a direct sampling mode. The wireless device also includes a zero intermediate frequency path used when operating in a normal sampling mode. The wireless device further includes a first switch coupling a filter module input to an input of the direct sampling path and an input of the zero intermediate frequency path. The wireless device also includes a second coupling a filter module output to an output of the direct sampling path and an output of the zero intermediate frequency path. The first switch and the second switch are configured to switch between the direct sampling path and the zero intermediate frequency path based on a received signal power.

Abstract: One embodiment of the present invention provides a receiver for wireless communication. The receiver includes a demodulator and at least one filtering mechanism coupled to the demodulator, and an analog-to-digital converter (ADC) coupled to the filtering mechanism. The filtering mechanism can be configured to function as a low-pass filter (LPF) or a band-pass filter (BPF), thereby enabling the receiver to function as a direct-conversion receiver or a low-intermediate frequency (low-IF) receiver.

Abstract: A signal processing circuit with noise cancellation includes an impedance matching unit and a transconductance stage. The impedance matching unit is disposed at a first path, and arranged to provide input impedance matching, wherein the impedance matching unit is a passive element, and the first path is coupled between a signal input port and a signal output port. The transconductance stage is disposed at a second path, and arranged to guide circuit introduced noise to the signal output port for noise cancellation at the signal output port, wherein the second path is coupled between the signal input port and the signal output port.

Abstract: A cellular system comprising at least one moving non-stationary base station for enabling cellular communication between at least two mobile stations in a geographic area that lacks adequate cellular coverage by at least one stationary base station.

Abstract: A method and device for receiving a warning message m a mobile communication system. The method includes receiving a paging message from a network. The paging message is used to inform the terminal about a presence of the warning message. The paging message includes a warning message indication indicating that there will be a transmission of the warning message through a downlink channel. The method includes after receiving the paging message, receiving system information in a system information block (SIB) through a control channel. The system information includes scheduling information for the warning message. The method includes receiving the warning message through the downlink channel according to the scheduling information. The warning message is an Earthquake and Tsunami Warning System (ETWS) message.