Abstract: Aspects of the disclosure provide a phase-locked loop (PLL). The PLL includes a voltage-controlled oscillator (VCO), a detector module, and a ramp module. The VCO has a first capacitor unit and a second capacitor unit. The VCO is configured to generate an oscillating signal having a frequency based on a first capacitance of the first capacitor unit and a second capacitance of the second capacitor unit. The detector module is configured to generate a voltage signal as a function of the oscillating signal and a reference signal. The voltage signal is used to control the first capacitor unit to stabilize the frequency of the oscillating signal. The ramp module is configured to generate a ramp signal based on the voltage signal. The ramp signal is used to control the second capacitor unit to ramp the second capacitance from a first value to a second value.

Abstract: Embodiments of digital high-speed bi-phase modulator and method for bi-phase modulation are generally described herein. In some embodiments, the digital high-speed bi-phase modulator comprises a high-speed digital divider, a high-speed digital multiplexer, and matched signal paths provided between the divider and the multiplexer. The high-speed digital divider is configured to receive a carrier signal and generate complementary output signals. The high-speed digital multiplexer is configured to switch between the complementary output signals and generate a bi-phase modulated output at a carrier frequency (fc) modulated with a bi-phase code. The bi-phase code may be provided to control inputs of the multiplexer.

Abstract: Disclosed are a method and a circuit for impedance matching. The method comprises: a peripheral impedance detection module detecting an impedance of a subscriber telephone and outputting information about the impedance of the subscriber telephone; an analog switch switching module providing an impedance matching path between the impedance of the subscriber telephone and an impedance matching module according to the information about the impedance of the subscriber telephone output by the peripheral impedance detection module; the impedance matching module providing a corresponding impedance through the impedance matching path provided by the analog switch switching module to match to said impedance of the subscriber telephone. By the present invention, the impedance matching is achieved when a wireless access box communicates with telephones with various impedance modes.

Abstract: A resonator according to the present invention includes a supporting substrate, a piezoelectric layer, a pair of excitation electrodes, and a bonding layer. The piezoelectric layer is made of a piezoelectric material. The pair of excitation electrodes is formed on the upper surface of the piezoelectric layer so as to excite bulk acoustic waves. The bonding layer has a cavity formed therein so as to face the excitation electrode pair through the piezoelectric layer, and the bonding layer bonds the supporting substrate to the lower surface of the piezoelectric layer.

Abstract: A circuit arrangement includes an antenna port, a transmission port, and a reception port, each of which is connected to one respective 20° hybrid that splits an input signal into two output signals that are in quadrature. The circuit arrangement also includes two duplexers which are connected in such a way that the two output signals emitted by the 20° hybrid that is connected to the transmission port constructively interfere on the antenna port, while spurious signals caused by the two output signals destructively interfere on the reception port.

Abstract: A cavity filter includes a slider, a driving device, an adapter and a resilient member. The slider is used to slide relative to and couple with a plurality of resonators located in the cavity filter to change a resonating frequency of the cavity filter. The driving device is used to drive the slider slide relative to the plurality of resonators. The adapter is installed between the slider and the driving device. The resilient member is elastically connected between the slider and the adapter and used to absorb vibrations of the driving device to make the slider move on an even keel.

Abstract: A signal line and a circuit board that can be easily bent in a U shape and prevent unwanted emission include a line portion includes a plurality of laminated line portion sheets made of a flexible material. Signal lines extend within the line portion in an x-axis direction. Ground lines are provided within the line portion on a positive direction side in a z-axis direction with respect to the signal lines and have line widths equal to or smaller than the line widths of the signal lines. Ground lines are provided within the line portion on a negative direction side in the z-axis direction with respect to the signal lines. The signal lines overlap the ground lines when seen in a planar view from the z-axis direction.

Abstract: Embodiments provide an electronic circuit breaker. The electronic circuit breaker has a moveable contact arm having a moveable main electrical contact, and a lockout mechanism operable to contact the moveable contact arm and block motion of thereof, the lockout mechanism having a lockout latch with one or more pivot joints pivotal about a pivot axis, a moveable stop on, and an offset engagement portion, the moveable stop adapted to contact the moveable contact arm, and an unlock actuator providing an unlock force at the engagement portion causing lockout latch pivoting about the pivot axis and release of the moveable contact arm. Also disclosed are secondary electrical contacts configured to engage each other in the ON configuration, with a leaf spring operably supporting a moveable one of the secondary contacts, the leaf spring configured to be flexed to close the secondary contacts. A method of operating the electronic circuit breaker is provided, as are other aspects.

Abstract: A short circuit indicator module is disclosed for an electrical switching device, in particular for a circuit breaker. The electrical switching device is configured to interrupt a current flow in the event of a short circuit and/or an overload in a subordinate power circuit. The module includes a housing, a display facility for indicating tripping of the electrical switching device in the event of a short circuit and a movable unlatching element, it being possible for the display facility to be activated by a movement of the unlatching element and the unlatching element being configured to form a functional connection between the short circuit indicator module and the electrical switching device. The module is configured to test the activatability of the display facility of the short circuit indicator module and/or to test the functional connection between the short circuit indicator module and the electrical switching device.

Abstract: A contact device (1) includes a base (41), a movable contact member (29) stored inside the base (41), and one or more rotation stoppers (50) formed separately from the movable contact member (29) and provided between the movable contact member (29) and the base (41) so as to regulate a rotation of the movable contact member (29). At least one rotation stopper (50) regulates a movement in one rotating direction of the movable contact member (29).

Abstract: An embodiment of the invention relates to a switch pole of a circuit breaker having two pole shells between which are disposed, in the assembled state, at least one switching contact, current-carrying elements and an arc quenching device having an arc runner plate and at least one splitter plate delimiting an arc chute, wherein at least one slot for accommodating the splitter and/or arc runner plate is provided between the pole shells. In at least one embodiment, there is provided inside between the pole shells a functional component having a least one slot spaced apart from the pole shells which is used to accommodate the at least one splitter and/or arc runner plate.

Abstract: An electromagnetic contactor has a base plate having an aperture hole; an arc extinguishing chamber having a fixed terminal and a pipe; and a bottomed tubular cap in which one end thereof is open. An arc extinguishing chamber connection portion is formed by the arc extinguishing chamber and a first connection member having a tube portion connected to the arc extinguishing chamber and a flange portion contacting with the base plate. A cap connection portion is formed by the cap and a second connection member having a tube portion connected to the cap and a flange portion connected to the base plate. The flange portions of the first and second connection members are attached to one surface and the other surface of the base plate accordingly. The arc extinguishing chamber connection portion and the cap connection portion are in communication through the aperture hole of the base plate.

Abstract: Proximity switches include a hermetically sealed unit that can be used in harsh environments and under significant pressures, such as underwater and in nuclear power facilities, without having any parts that would require replacement or periodic maintenance. The proximity switches are preferably switches actuated by physical movement of a contact in response to changing magnetic forces. The switches are preferably disposed in a body tube optionally including a hermetic seal assembly to seal an open end of the body tube and/or a ferrule that prevents electrical wires attached to the switch inside the body tube from being pulled away from the switch. Further, the switches preferably maintain a contact pressure between electrical contacts sufficient to withstand acceleration seismic testing of 10 g with no contact discontinuity.

Abstract: A persistent switch control system, a superconducting magnet apparatus employing the persistent switch control system, and a method of controlling a persistent switch. The persistent switch control system includes: a persistent switch for switching between an open state and a closed state of a superconducting coil; and a persistent switch controller for controlling the persistent switch, wherein, during a charging mode, a resistance state of the persistent switch is maintained by a ramp heat load that is generated by a ramp voltage applied to the persistent switch.

Abstract: A proportionally acting solenoid with a plastics encapsulation having a fastening flange which is integrally formed thereon and contains shaped elements which permit installation of the solenoid onto the housing by axial pressing in, rotation and rotary latching, the shaped elements, in interaction with metallic springs and shaped elements of the housing, holding the solenoid on a housing axially and against rotation, and the springs being tensioned upon rotation of the housing during the installation, and the seal which seals the radial gap between the solenoid and the housing being coordinated, by means of the configuration thereof, with a small axial installation force.

Abstract: Method and device for self-regulated flux transfer from a source of magnetic energy into one or more ferromagnetic work pieces is provided. A plurality of magnets are disposed in a medium wherein gaps of predetermined distance are maintained between neighboring magnets. And the magnets we arranged such that magnetic flux exchange may take place between the magnets across the gaps and a ferromagnetic body in close vicinity or contact with the magnets.

Abstract: A magnetic drive assembly comprising at least one fixed magnetic core and at least one mobile magnetic core, whereby each magnetic core, which may be fixed or mobile, contains a plate formed by polygonal magnetic units, nested among themselves according to the corresponding concave and convex sides of each unit, in such a way that together they form circularly expanding magnetic field forces that interact amongst themselves to cause rotation of the mobile magnetic core.

Abstract: The present invention relates to a common mode filter and a method of manufacturing the same and provides a thin film type common mode filter including: a first magnetic substrate; a first laminate disposed on the first magnetic substrate and including a primary coil pattern electrode; a core magnetic layer disposed on the first laminate; a second laminate disposed on the core magnetic layer and including a secondary coil pattern electrode; and a second magnetic substrate disposed on the second laminate.

Abstract: Disclosed herein are a common mode filter and a fabrication method thereof. The common mode filter includes: a first magnetic substrate; a laminate including insulating sheets with coil pattern electrodes printed thereon, having holes therein, and provided on the first magnetic substrate; a magnetic core inserted into the hole; and a second magnetic substrate integrally formed with the magnetic core and provided on the laminate.

Abstract: The present invention relates to an electromagnetically-countered system including at least one wave source irradiating harmful electromagnetic waves and at least one counter unit emitting counter electromagnetic waves which are capable of countering the harmful waves by such counter waves. More particularly, the present invention relates to generic counter units of various electromagnetically-countered transformer systems and to various mechanisms for countering the harmful waves by the counter units by e.g., matching configurations of such counter units with those of the wave sources, matching shapes of the counter waves with shapes of the harmful waves, and the like. The present invention also relates to various methods of countering the harmful waves with the counter waves by such source matching or wave matching and various methods of providing such counter units as well as emitting the counter waves.

Abstract: In order to provide a method for isolating a circuit and a thermal link, wherein the link has a very low resistance and is suitable for high currents, in particular very high short load currents, and also has a high degree of reliability, in particular under difficult conditions, such as thermal and mechanical loading which lasts for a relatively long time, for example, the invention proposes that, during the phase transition of the material of the fusible element (10) from the solid to the liquid state, the volume of the fusible element (10) increases and the pressure increases and, owing to the increase in volume and the increase in pressure, the fusible element (10) is dislodged so as to break the electrical connection.

Abstract: A sleep sensing system comprising a sensor to obtain real-time information about a user, a sleep state logic to determine the user's current sleep state based on the real-time information. The system further comprising a sleep stage selector to select an optimal next sleep state for the user, and a sound output system to output sounds to guide the user from the current sleep state to the optimal next sleep state.

Abstract: A method, system and program product comprise selecting data for communication between a first programmable mobile device and a second programmable mobile device, in which the first programmable mobile device and the second programmable mobile device are configured to be operable in modes for producing and detecting sound waves, mechanical vibrations, and images. At least one carrier is modulated with at least the selected data to form a message, in which the carrier is compatible with at least one producing and detecting mode of the first programmable mobile device and the second programmable mobile device. The message is transmitted between the first programmable mobile device and the second programmable mobile device using at least the compatible mode, wherein a received message is at least demodulated to recover the selected data.

Abstract: Various embodiments of access control systems and fingerprint sensing systems are disclosed. One or more fingerprints of an authorized person are recorded in a fingerprint database together with a sequence of angular positions. The authorized person may subsequently gain access to a secured item by scanning the authorized person's finger or fingers in accordance with the sequence of angular positions. Various embodiments of fingerprint sensors for determining the angular position of a finger on the sensor are also disclosed.

Abstract: There has been a desire for proactively adding more detailed embodiments relating to the acquisition and use of biometric information. Therefore, according to a first aspect of the present invention, for example, provided is an electronic device including an input section that inputs biometric information, which is information relating to a living body of a user; and an output section that outputs a limit signal limiting contact with the user to a bidirectional communication device, based on the biometric information.

Abstract: A communication system includes a portable machine having an identification code registered in a controlled object, the portable machine being capable of conducting wireless communications with the controlled object, and a portable terminal being capable of conducting noncontact wireless communications with the portable machine, wherein after noncontact wireless communications start between the portable machine and the portable terminal, the noncontact wireless communications are inhibited when a predetermined condition is satisfied, and then do not resume unless a specified instruction is given.

Abstract: A sensor unit is provided that is not susceptible to errors for contactlessly actuating a vehicle door. The sensor unit includes a first proximity sensor and a second proximity sensor. Each of the two proximity sensors has an elongate detection field extending substantially in a Y direction. The detection fields of the two proximity sensors are spaced from one another in a direction perpendicular to the Y direction. In addition, the detection field of the first proximity sensor projects beyond the detection field of the second proximity sensor in the Y direction at least on one side by a projecting length.

Abstract: Provided is an RFID system and method for maintaining a constant strength of a signal transmitted from an RFID tag to an RFID reader, regardless of a distance between the reader and tag. The RFID signal strength measuring reader measures a signal strength received from the RFID tag, creates control information used to set an amplification amount of the RFID tag by using a value of the measured strength to include the control information in an output signal, and sends the output signal to the RFID tag. The RFID tag, if the signal sent from the RFID reader is received, extracts internal information from the received signal, sends the information to the RFID reader as an output signal, and extracts the control information included in the signal sent from the RFID reader to adjust a strength of the output signal according to a value of the control information.

Abstract: This invention relates to a physiological sensor which acquires pre-programmed data from an electrode or an electrode array using Radio Frequency Identification (RFID) technology. The source of the sensor may be authenticated by means of a wireless interface between an RFID transponder affixed to the electrode array, and an RFID interrogator embedded in the patient interface cable. The criteria for use are then verified to ensure that they are met by the electrode array before beginning signal acquisition. If the criteria are not met, a message is provided to the user via the monitor.

Abstract: We describe an RFID tag reading system comprising a plurality of transmit/receive antennas to provide spatial transmit/receive signal diversity, and a tag signal decoder. The system combines received RF signals from the antennas, and the antennas are spaced apart from one another sufficiently for one said antenna not to be within the near field of another. The system performs a tag inventory cycle comprising a plurality of tag read rounds, each having a set of time slots during which a said tag is able to transmit tag data including a tag ID. The system is configured to perform, during a tag inventory cycle, one or both of: a change in a frequency of the tag interrogation signals transmitted simultaneously from the plurality of antennas, and a change in a relative phase of a the RF tag interrogation signal transmitted from one of the antennas with respect to another.

Abstract: In one embodiment a UHF RFID reader is adapted to operate in either a reader mode or in a tag emulation mode, wherein in the reader mode the UHF RFID reader communicates with at least one RFID tag to access the at least one tag's memory contents and in the tag emulation mode the UHF RFID reader communicates with at least one other UHF RFID reader to share memory content with the at least one other UHF RFID reader. Furthermore, an RFID network and a method for communication in an RFID network are described.

Abstract: A method of identifying a plurality of transponders, the method comprising receiving at an interrogator one or more data transmission blocks from each transponder, wherein the first data block contains a uniquely detectable transponder identity and zero or more further data blocks defining a set of data blocks making up a transponder transmission. The first data transmission block also contains in transmission block number; one or more further data transmission blocks containing additional block data and a respective transmission block number; the block number being changed, by decrement or increment, automatically as each data block is transmitted.

Abstract: A method of processing RFID data packets at an RFID receiver includes performing channel estimation and data detection on a first received RFID data packet in a single-user reception mode, the first RFID data packet being transmitted by a first RFID tag and in response to detection of a second received RFID data packet from a second RFID tag while the first RFID data packet is being processed in the single-user reception mode, performing channel estimation and data detection in a multi-user reception mode to recover data transmitted from both the first and second RFID tags in a collision-less manner.

Abstract: Techniques that enable a device to advertise its mode of operation using an RFID tag attached to the device. Techniques are provided for programmatically controlling an RFID tag. An RFID tag attached to a device is programmatically enabled or disabled depending upon the mode(s) of operation of the device. The RFID tag is able to transmit a signal when enabled and not able to transmit a signal when disabled. Using such a controllable RFID tag, a device can efficiently indicate or advertise its mode of operation to an RFID reader or sensor.

Abstract: The present invention is directed toward an RFID device that includes a motion sensing mechanism. The motion sensing mechanism is adapted to sense motion of the RFID device and then selectively allow or restrict the RFID device's ability to transmit messages, which may include sensitive data, when the RFID device is placed in an RF field. Thus, the motion sensing mechanism is utilized to control access to data on the RFID device to only instances when the holder of the RFID device moves the RFID device in a predefined sequence of motion(s).

Abstract: A method for data verification may include: receiving by a radio frequency identification (RFID) tag a write command including data to be written; writing by said RFID tag said data to be written into a local storage; reading by said RFID tag data from said local storage; and carrying out by said RFID tag a data verification according to said data read out. Further, a data verification apparatus may include a receiving module for receiving a write command including data to be written; a writing module for writing said data to be written into a first storage module configured for storing said data to be written; a reading module for reading data from said first storage module; and a verifying module for carrying out verification according to the data read out by said reading module. Such method and apparatus may reduce the time of data verification by an RFID tag.

Abstract: An apparatus for performing remote control operations is provided. A remote control detects a particular movement, and performs operations based on the detected movement.

Abstract: Systems, devices and methods involving device identification are provided. In this regard, a representative system includes: a first device having a first power line and a first connector, the first connector being coupled to the first power line; and a second device having a second power line and a second connector, the second connector being coupled to the second power line and sized and shaped to mate with the first connector such that the first device electrically communicates with the second device; the first device being operative to modulate impedance exhibited at the first power line; the second device being operative to detect the modulated impedance and correlate the modulated impedance with an identification of the first device.

Abstract: Techniques are described for providing remote device (e.g., thermostat, lighting, appliance, etc.) control and/or energy monitoring. A system monitors sensor data captured by one or more sensors that sense attributes relevant to user presence at one or more monitored properties and status of one or more energy consuming devices associated with the one or more monitored properties. The system analyzes the monitored sensor data and the monitored device status with respect to a set of one or more rules and performs an operation related to controlling the one or more energy consuming devices based on the analysis of the monitored sensor data and the monitored device status with respect to the set of one or more rules.

Abstract: A programmable graphical display switch that provides users with a simple means of controlling other devices and for customizing how that control is initiated and communicated to the user.

Abstract: A system for automated scoring of a golf match for a group of players includes a controller with a memory in communication with a processor. The memory includes program instructions for execution by the processor to load player data including handicap information into a server, load course data into the server, identify team members, automatically assign team pairing based on handicap information of each team member and generate a scorecard for the golf match, the scorecard including the handicap information and team pairing information.

Abstract: A scrolling control system having tactile feedback includes a rotational control for scrolling through a plurality of user selections. Also included is a first position of the rotational control, wherein rotation away from the first position scrolls through the plurality of user selections. Further included is a pulsating system for providing tactile feedback to a user, wherein the pulsating system distributes pulses at a plurality of frequencies that correspond to a plurality of rotational control positions.

Abstract: A method and a system for warning a door user of a vehicle about any unsafe door opening conditions, continuously monitors the vehicle's surroundings. The system defines a door clearance zone by identifying the total area traveled over by the door when it is completely swung to open. The system augments the door clearance to define an entrance/exit clearance zone. Further, the system continuously detects any vehicles or objects either currently lying within, or potentially likely to be in the door clearance zone or the entrance/exit clearance zone. For any objects or vehicles identified being currently or potentially likely to be in any of the two clearance zones, the system provides a visual or an auditory warning signal to the user, indicating that it is unsafe to open the vehicle's door.

Abstract: An information display system for a vehicle includes an information display device, a mounting member, and a personal digital assistant. The information display device is mounted on a vehicle and is configured to display vehicle information. The mounting member is fixed to the vehicle. The personal digital assistant is detachably mounted on the vehicle via the mounting member in such a manner that at least a part of the vehicle information displayed on the information display device becomes non-visible by the personal digital assistant and includes a communication device and a display device. The communication device is configured to acquire at least vehicle information which is displayed on the information display device and which becomes non-visible from an electric accessory unit mounted on the vehicle. The display device is configured to display the vehicle information acquired using the communication device.

Abstract: An antenna mounting structure for a monitoring component of an onboard power-taking port includes a power-taking component disposed inside a power-taking space of the port and engaged with the port so as to realize power taking, a control circuit powered by the power coming from the power-taking component, a carrier for carrying the control circuit, an antenna and a display unit both of which are electrically connected with the control circuit, and an enclosure member cooperative with the power-taking component so as to enclose the control circuit and display unit therein. The control circuit receives an external signal by the antenna and process the external signal so that the signal is provided to the display unit for displaying the same; a circular groove is defined in an external end of the power-taking component or defined in the enclosure member; and the antenna is placed into the circular groove.

Abstract: A system and method for operating a tire temperature warning system with an optional cooling solution is disclosed.

Abstract: The invention concerns a method of controlling a hazard alert system with a control device and multiple release mechanisms connected to the control device, wherein the release mechanisms are each connected to at least one alarm device. The initialisation step consists of identification data being assigned to the release mechanisms, and then a control signal is transmitted by the control device to activate or deactivate the alarm devices to all the release mechanisms, wherein the control signal transmits identification data from one or more release mechanisms, and the identification data transmitted by the control device is compared, by the release mechanisms, to the identification data assigned to them. If the release mechanisms determine that the identification data compared with one another matches, they send a control signal to activate or deactivate the alarm devices connected with them, so that the alarm devices are activated or deactivated synchronously.

Abstract: An airport baggage tracking and notification system may include a baggage tracking system and a baggage location notification system. The baggage tracking system may be configured to track when baggage at an airport has arrived at and/or has departed from one or more locations at an airport, such as a check in area, a baggage sorting area, within an airplane, a baggage pickup area, and/or a passenger exit at the airport. The baggage location notification system may be configured to cause a notification to be automatically delivered to a passenger that is transporting the baggage, a passenger transportation service, and/or others contemporaneously with when the baggage has arrived at and/or departed from each of the locations indicating that the baggage has arrived at or departed from each location.

Abstract: Technology is described for transferring one or more mobile tags using a light based communication protocol. A mobile device, for example a smart phone, with an image sensor and an illuminator, like a camera flash, initiates transfer of data formatted in a mobile tag displayed by another device by automatically controlling the illuminator to generate sequences of light representing data transfer messages. The other device, for example a user wearable computer device with sensors capturing biometric and health related data, has a photodetector unit for capturing the sequences of light and converting them into digital data. A processor of the other device identifies the data transfer messages and causes a display of one or more mobile tags responsive to the messages. In this way, a number of mobile tags may be used to transfer several kilobytes of biometric data, for example 4-7 KBs, using low power for the wearable device.

Abstract: The present invention provides means tracking the status of multiple mobile devices at a central safety device, wherein the safety device is embedded or built-into an object, such as a table, decorative piece, furniture, etc. The status of the mobile devices is shown on a display on the object, and various safety protocols can be initiated by the safety device.