Abstract: A spread spectrum clock generator includes a voltage-controlled oscillator generating an operation clock, a feedback control unit, a modulated pulse generation unit generating a pulse signal obtained by performing a delta-sigma modulation on a component fluctuating a frequency of the operation clock, a level set unit setting an amplitude of the pulse signal, an adder adding a voltage generated by the feedback control unit and the pulse signal whose amplitude is set by the level set unit, and a low pass filter filtering a signal outputted from the adder and generating a control voltage applied to the voltage-controlled oscillator. The feedback control unit compares a phase of the operation clock with a phase of a reference clock, and based on results of the comparison, generates a voltage used as a reference to oscillate the voltage-controlled oscillator.

Abstract: An atomic clock comprises helium 3 plasma as measurement medium, which is taken to the plasma state to exploit the metastable state of the material and the levels of the hyperfine structure, the lifetime of which is long and which thus enable an easier measurement than the excitations of gaseous atoms.

Abstract: A circulator/isolator housing is provided that includes body and a plurality of slots within the body configured to receive therethrough inserts having magnetic permeability. The housing further includes a plurality of receiving portions within the body corresponding to the plurality of slots and configured to maintain a position of the inserts.

Abstract: According to an aspect of the present invention, there is provided a Marchand balun including: a half-wavelength first line including: a first end configured to input or output the single-mode signal; a second end electrically opened; and a center; and quarter-wavelength second and third lines each including: a third end configured to input or output the differential-mode signal; and a fourth end connected to a ground, wherein a thickness of the first line at the center is thicker than those at the first and second ends, and wherein thicknesses of the second and third lines at the fourth ends are thicker than those at the third ends.

Abstract: The invention discloses an active back-end termination circuit, which comprises a first resistor, a first transistor, a second resistor, and a second transistor. The first resistor and the first transistor are connected in series for forming a first impendence unit. A first source of the first transistor is connected to a working voltage with VTT. The second resistor and the second transistor are connected in series for forming a second impendence unit. A second gate and a second drain of the second transistor are connected to the working voltage with VTT. Wherein, the first impendence unit and the second impendence unit are connected in parallel. The first transistor or the second transistor is switched on through a power source, and the first transistor and the second transistor change the impedance actively for matching a load according to the voltage source.

Abstract: Provided is an even harmonic mixer which is reduced in cost and size. The even harmonic mixer includes: a transducer in which a conductor of a microstrip line is connected to a ground plane of a waveguide, for transducing an RF signal transmitted in a waveguide mode into a transmission mode of the microstrip line; an anti-parallel diode pair which is cascade-connected to a microstrip line side of the transducer, and formed on a semiconductor substrate; a branching circuit for branching an LO signal and an IF signal; an open-end stub which is disposed between the transducer and the anti-parallel diode pair, and has a line length of about ½ wavelength at an RF signal frequency; and an open-end stub which is disposed between the anti-parallel diode pair and the branching circuit, and has a line length of about ¼ wavelength at the RF signal frequency.

Abstract: A coupling slot 10 provided in a wide wall shared by a first rectangular waveguide 8 and a second rectangular waveguide 9 arranged by stacking is formed by directing a longitudinal direction of the coupling slot 10 to a tube axial direction, and a matching conductor 11 projecting to a waveguide near the coupling slot 10 is provided on one sidewall of the second rectangular waveguide 9. A process of providing the matching conductor 11 is easy, a structure that can be manufactured at low cost is obtained, and a power distribution ratio can be set at an arbitrary ratio.

Abstract: Methods and apparatus for temperature control of devices and mechanical resonating structures are described. A mechanical resonating structure may include a heating element and a temperature sensor. The temperature sensor may sense the temperature of the mechanical resonating structure, and the heating element may be adjusted to provide a desired level of heating. Optionally, additional heating elements and/or temperature sensors may be included.

Abstract: The present invention relates to a flexible cap system optimized for thermally-compensated technology microwave resonators. More specifically, this invention proposes a multiple-membrane flexible wall system for thermally-compensated filters and OMUX. The use of a multi-membrane flexible wall, in particular as sealing cap for a resonant cavity of an OMUX channel, makes it possible: to reduce the thermal resistance of the flexible wall, while maintaining an equivalent level of mechanical stresses exerted on said wall for a given displacement; or to reduce the mechanical stresses exerted on the flexible wall for a given displacement, while maintaining one and the same thermal resistance for said wall; or to increase the deformation of the flexible wall by maintaining an equivalent level of mechanical stresses and by maintaining an equivalent thermal resistance.

Abstract: An on-chip vertical coplanar waveguide with tunable characteristic impedance, a design structure, and a method of making the same. An on-chip transmission line includes a signal line, an upper ground line spaced apart from and above the signal line, and a lower ground line spaced apart from and below the signal line. The signal line, the upper ground line and the lower ground line are substantially vertically aligned in a dielectric material.

Abstract: A known method for parallel two-way symmetrical signal transmission by means of an isolating interface with a differentiating circuit comprising a capacitive barrier is improved. When restarting communication in the selected direction after a longer break, a pilot signal is conducted via the transmitting plates for the communication in the reverse direction and capacitive compensators to one of the receiving plates for communication in the selected direction. Threshold levels for comparisons of the signals of the first and second time derivative are decreased, the capacitance of capacitive compensators is then set to reduce output the output signal and finally communication is reestablished. Transmitting plates for communication in the reverse direction are now connected to the receiving plates for communication in the selected direction through the capacitive compensators with the capacitance adjusted as described above.

Abstract: A mounting structure of an electronic circuit unit includes a circuit board provided with a high frequency circuit, a metallic casing mounted on the circuit board to cover the high frequency circuit, an F type connector fixed to the casing and protruding approximately perpendicularly to the circuit board, and a flexible cable having one end portion connected to the circuit board. In a state in which the F type connector passes through a mounting hole formed through a set-side panel to protrude outward, at least one of the casing and the F type connector is fixed to the set-side panel by a fixing member, and the other end portion of the flexible cable is connected to a mother board.

Abstract: A mounting structure of a magnetic member at least comprising: a magnetic member; and a magnetic coupling member provided with an adhesion securing portion configured to secure adhesive strength when bonded to the magnetic member.

Abstract: A vibration generator 1 has an attachment structure of a spring by which the attachment error of the spring elastically supporting a mover composed of a magnet and a yoke does not become the error of the span of the spring to make it possible to improve the ease and yield of manufacture. The vibration generator 1 includes a mover which is composed of a magnet 5 and yokes 4, 7a and 7b, and a spring 6 which is composed of an integrally molded article made of an elastomeric material and elastically supports the mover to allow the mover to vibrate in the central axis direction C. The spring is arranged on the outside of a coil 3 in a radial direction thereof and extends along the radial direction.

Abstract: A magnetic latching solenoid having a coil assembly, a ferromagnetic core slideably fitted to linearly translate upon excitation of the coil assembly by a pulse of electric current, a stationary electromagnetic pole positioned in line with the ferro-magnetic core, at least one flux conductor and a frame, all forming a magnetic flux circuit. A contact area between a face of the ferromagnetic core and a face of the stationary electromagnetic pole is reduced by respective recesses in the ferromagnetic core and the electromagnetic pole, each recess having opposing inclined walls extending from the respective face to a common apex defining a depth of the recess, and forming a residual planar surface of concentrated flux density surrounding the recesses.

Abstract: A method for powering a magnetic coupler, in which: a) each winding of a first magnetic elementary cell is powered such as to produce a magnetizing flux in a bar of the first cell which is joined with a second cell, the fundamental component of which has an angular offset xi; and b) powering each winding of the second cell such as to produce a magnetizing flux in the bar of the second cell which is joined with the first cell, the fundamental component of which has an angular offset xj. The absolute value of the difference between the angular offsets xi and xj is greater than or equal to (I) rad.

Abstract: The cooling system for a power transformer is activated by sensing and processing the frequency characteristic including the harmonic contents, of the inrush current into the transformer, when the transformer is first energized. The cooling system may include motors operating devices such as oil circulating pumps and fans causing a coolant to flow about the power transformer. The cooling system is deactivated by sensing when the transformer is de-energized and when its temperature is below a predetermined level.

Abstract: A transformer that is capable of setting any characteristics of a detection voltage of a detection winding and accurately detecting an output voltage includes a bobbin, a magnetic core, a first input winding, an output winding, a second input winding, and a detection winding. The bobbin is tubular and includes a plurality of winding regions located at its outer portion. The magnetic core is inserted in the bobbin. The first input winding is wound in a first winding region. The output winding is wound in a second winding region adjacent to the first winding region. The second input winding is wound in a third winding region adjacent to the second winding region. The detection winding is wound in the vicinity of the first input winding. The first input winding and the second input winding have different numbers of turns and are connected in series in the same winding direction.

Abstract: A versatile distribution transformer having an electromagnetic transformer and a power electronic module is provided. A pocket having connectors electrically connected to at least one winding structure of the electromagnetic transformer is mounted above the electromagnetic transformer. The power electronic module is removably mounted in a cavity of the pocket. The power electronic module includes a plurality of semiconductor switching devices and a plurality of connectors adapted to slidably engage the connectors of the pocket. The power electronic module is movable between a removed position, wherein the power electronic module is located outside the pocket, and an installed position, wherein the power electronic module is disposed in the cavity of the pocket and the connectors of the power electronic module engage the connectors of the pocket so as to electrically connect the power electronic module to the at least one winding structure.

Abstract: A patterned inductor includes a conductive path and a nanostructured magnetic composition deposited on the conductive path. The magnetic composition can be screen printed, inkjetted, electrodeposited, spin coated, physical vapor deposited, or chemical vapor deposited onto the conductive path.

Abstract: A fusible link includes a fuse portion that has a first resistance portion and a second resistant portion which are formed of a fusible metal conductor. The first resistance portion has a fusible portion which is provided in proximity to a connecting portion of the first resistance portion with the second resistance portion and is adapted to be fused to be broken when the fusible portion is heated up by an overcurrent. The fusible link further includes a metal chip whose melting point is lower than a melting point of the fusible metal conductor, and which is adapted to be fused to be dispersed into the fusible portion for formation of an alloy phase when the metal chip is heated up by the overcurrent and a holding portion that is provided in proximity to the fusible portion for holding the metal chip.

Abstract: A thermally responsive switch includes an airtight container including a metal housing and a header plate, conductive terminal pins airtightly fixed to the header plate, a fixed contact fixed to the conductive terminal pin, a thermally responsive plate one end of which is conductively connected to and fixed to the inner surface of the airtight container and the bending direction of which is reversed at a predetermined temperature, and a movable contact fixed to the other end of the thermally responsive plate. In the thermally responsive switch, the movable contact and the fixed contact are composed of a silver tin oxide based contact and gas containing 50% or more and 95% or less of helium is encapsulated in the airtight container in such a manner that gas pressure is equal to or more than 0.3 atmospheres and equal to or less than 0.8 atmospheres at ordinary temperature.

Abstract: Provided is a sensor signal processor apparatus having good characteristics and providing an easy and simple interface for various sensors. The sensor signal processor apparatus includes a current source, a sensor, a ramp integrator, a comparator, and a controller. The current source generates a constant current according to a preset value, and the sensor outputs a sensor voltage using the current from the current source. The ramp integrator generates and outputs an integral voltage according to an input command, and the comparator compares the sensor voltage of the sensor with the integral voltage of the ramp integrator and outputting a result of the comparison. The controller controls the generating and outputting of the integral voltage of the ramp integrator according to the comparison result of the comparator.

Abstract: A dual polarization antenna system includes a dipole antenna oriented along a first plane (e.g., a horizontal plane), and a monopole antenna oriented along a second plane (e.g., a vertical plane) orthogonal to the first plane, wherein the monopole antenna is referenced to a V-null point of the dipole antenna.

Abstract: A system and a method are disclosed with at least one presence detector, wherein the presence detector has a radio transmitter. The system further comprises at least one radio receiver that is constructed in such a manner as to receive and evaluate signals of the presence detector transmitted via radio. The radio receiver further comprises at least one device that acts on downstream units as a function of the evaluation result.

Abstract: Networked electric vehicle charging stations for charging electric vehicles are coupled with an electric vehicle charging station network server that performs authorization for charging session requests while the communication connection between the charging stations and the server are operating correctly. When the communication connection is not operating correctly, the networked electric vehicle charging stations enter into a local authorization mode to perform a local authorization process for incoming charging session requests.

Abstract: A field device, in particular a protective device for protecting, controlling or monitoring an electric switching or energy supply unit, has an access control device, controlling access to the field device. The access control device includes: a memory with access rights, roles and users stored therein, wherein each access right defines the access to at least one device value, one device parameter or one device function, one or more access rights are associated with each role, and one or more roles are associated with each user, and a control device suitable to prevent an access to a device value, a device parameter or a device function by a user when the respective user is not associated with a role with the access right required for the respective access. The control device has a test module that exclusively allows access by a user only if the access right that is required for the respective access and that is stored in the memory is provided with a valid electronic signature.

Abstract: A portable container is provided which comprises a passing room(s) allowing entry into a second area into a first area, the passing room having at least two openings with a walkway in-between. Barrier device(s) can be located in the walkway but not connected to the first or second opening. A control room(s) can also be provided, the control room being connected to the passing room(s).

Abstract: A network- and/or client-side device configuration system facilitates automatic configuration of portable electronic devices. Predetermined configuration parameters for a particular portable electronic device are generated and stored. A computer-readable visual symbol such as an optical graphic code (for example, a tag, barcode, or matrix code) is generated by a network-side service and transmitted to an authorized user of the particular portable electronic device. The portable electronic device reproduces the visual symbol and transmits a message (which may or may not include the reproduced visual symbol) to the (same or different) network-side service. The network-side service authenticates the portable electronic device, and authorizes the portable electronic device to access and use the predetermined configuration parameters to automatically configure itself.

Abstract: In a biometrics authentication system inputting biometric information and outputting a user ID, speedup of 1:N matching on the side of server achieved when cancelable biometrics authentication is realized in which matching is carried out. During registration, similarity of a feature to a dummy feature is searched and the feature is transformed by using a transform parameter corresponding to a nearest neighboring dummy feature. The transformed feature and a group ID are transmitted to the server and the server registers the transformed feature at the group in a DB. During authentication, like the registration process, similarity search of a feature is carried out and the feature is transformed by using transform parameter corresponding to a nearest neighboring dummy feature. The transformed feature and group ID are transmitted to the server. The server executes 1:1 matching between a template a the group in the DB and the transformed feature.

Abstract: At least two biometric measurements of a person are collected, then a statistical measure based on the measurements is computed. The statistical measure is a bounded estimate of the discriminative power of a test based on the measurements. While the discriminative power is less than a target value, additional biometric measurements are collected. When enough measurements have been collected, a biometric template is constructed from the measurements and stored for use in future identifications. Systems and software to implement similar methods are also described and claimed.

Abstract: A technique for saving power in a tag that is operationally connected to an asset involves using telemetry data to enter an appropriate power state. An asset tracking system according to the technique can make use of context to better track assets to which power-saving tags are operationally connected. Secure tag configuration techniques and asset-agnostic tags are described. Location-agnostic tags are also described.

Abstract: Embodiments of the present invention provide method and system for determining whether to effect maintenance of a vehicle component. In one embodiment, the method includes transmitting an RFID read signal to an RFID device associated with at least one component of a vehicle and receiving at least one RFID response signal from the RFID device. The at least one RFID response signal includes an identifier associated with the at least one component and a sensed value of a parameter associated with the at least one component. Then, by processing the sensed value, it can be determined whether to effect maintenance of the at least one component. In some embodiments, the sensed value is generated by a sensor coupled to the RFID device. In other embodiments, the sensor is located adjacent to an expected location of the at least one component. In yet other embodiments, a location indication is utilized to determine whether to effect maintenance of the at least one component.

Abstract: Techniques are described for using radio-frequency identification (FID) tags and containers for specimens.

Abstract: The present invention relates to coupler device, processing apparatus and method of processing a plurality of body-coupled communication signals which have been detected by using an electrode arrangement with a plurality of electrodes or electrode segments (40, 42; 40, 43). Respective transmission parameters of the body-coupled communication signals are estimated and at least one of a selecting and weighting processing is applied to the detected body-coupled communication signals based on the estimated transmission parameters. Then, the processed body-coupled communication signals are combined to generate a diversity output signal. Thereby, robustness against coupler misplacement and user convenience is increased in body-coupled or body-based communication systems.

Abstract: Disclosed are methods and apparatuses for managing other apparatuses. In certain aspects, an apparatus for managing other apparatuses includes a processing system configured to receive one or more reports from the other apparatuses, and to send a message to at least one of the other apparatuses, wherein the message instructs the at least one of the other apparatuses to configure at least one parameter that controls when the at least one of the other apparatus sends a report to the apparatus.

Abstract: A lobby detection device 100 placed in a lobby reads out an ID of an elevator user 300 from an individual identification tag 400 and transmits the ID to an authentication device 600, the authentication device 600 registers the ID if the ID has not been registered and performs a call registration for an elevator car 500 after an authentication processing, a car detection device 200 inside of the elevator car 500 reads out the ID from the individual identification tag 400 and transmits the ID to the authentication device 600, and when the same ID as a registered ID that has been registered becomes no longer transmitted from the car detection device 200, the authentication device 600 deletes a registration of the registered ID after a specific time elapses, so that even when the ID is read out by the lobby detection device 100 in the lobby where the elevator user 300 lands on at the time the elevator user 300 leaves the elevator car 500, a call registration is not performed since the registration is held.

Abstract: Described herein are techniques for transmitting remote control commands to a controlled device over a communication network. A user provides input to a remote control requesting to remotely operate a controlled device. A remote control command is transmitted from the remote control to the controlled device through an electrical distribution network. The controlled device receives and processes the remote control command and changes its operational state according to the command.

Abstract: An adapter may couple an electronic device to a host such as a computer. When coupled in this way, the host may transfer media files to the device. The host may also supply power to the electronic device using power lines in the adapter. The electronic device may have a status indicator such as a light-emitting diode status indicator. The adapter may also have a status indicator. During operation, the electronic device may transmit coded information on the current state of the status indicator in the electronic device by modulating the status indicator or other load in the device at a selected frequency. Control circuitry in the adapter may detect the transmitted state information by monitoring the power lines. The control circuitry may control the status indicator in the adapter so that the status indicator in the adapter replicates the current state of the status indicator in the electronic device.

Abstract: A tactile input to a system having a speaker located in an enclosure with an audio port can be detected by generating a sound wave in response to a signal and sensing the phase relationship between the current phase and the voltage phase of the signal. While the audio port is open a baseline current and voltage phase difference is established. When the audio port is obstructed by a finger touch, the current and voltage phase difference is altered in response to the obstruction. While the altered phase difference is detected, a tactile event is indicated.

Abstract: A user interface comprising a display arranged to display visual content and a tactile surface arranged to convey a tactile representation, wherein said tactile representation is based on said visual content. This has the advantage of enabling a user to perceive content being displayed to him with less cognitive effort.

Abstract: A system for providing external notification of a vehicle event to an operator includes a reader device connected to a control unit providing status of at least one vehicle condition with the vehicle having a diesel particulate filter (DPF), a plurality of warning devices connected to the reader device and a power supply connected to the reader device and to the warning devices wherein the reader device receives data via data lines from the control unit, decodes the received data to determine the occurrence of a vehicle event relating to the DPF and controls ground signal lines of the warning devices to trigger at least one of the warning devices based on the detection of a particular event.

Abstract: An image processor (3) includes: an image input unit (7) that obtains an image captured by an imaging device (2) installed on a vehicle; a vehicle information input unit (8) that obtains the distance between the vehicle and a road junction or curve from a navigation system (5); a recording unit (15) in which imaging information and driver information are pre-stored; a magnifying object recognition unit (9) that recognizes a certain magnifying object in the obtained captured image; and a composing unit (11) that produces, when a magnifying object is recognized, a composite image of an magnified image and the captured image. The composing unit (11) uses the distance obtained by the vehicle information input unit (8) as well as the imaging information and the driver information stored in the recording unit (15) to calculate an area in the captured image that is not an image of a blind spot for the driver, and produces the composite image such that the magnified image is superimposed on the non-blind spot area.

Abstract: Provided is a blind spot display apparatus that presents a situation at a blind spot occurring at an intersection from a driver's viewpoint, in a method of presenting the situation to a driver. For generating a blind spot situation image without any uncomfortable feeling, the driver's viewpoint and a depth of the blind spot are calculated with higher precision and lower cost.

Abstract: A collision detection unit mounts to a host vehicle. The collision detection unit includes a housing and a stop lamp associated with the housing and visible from outside the housing. A warning lamp is associated with the housing and is visible from outside the housing. A sensor is associated with the housing and is configured to detect an object.

Abstract: Provided is a driving support device including an other-vehicle detection unit that detects if an other-vehicle is traveling in the same lane as a host vehicle. The device also includes an overtaking operation detection unit to detect when the host vehicle overtakes the other-vehicle and a determination unit that evaluates an overtaking operation. When is determined that the overtaking operation is not appropriate, the overtaking operation is deemed a dangerous operation. The driving support device may also include continuation prediction unit that determines whether the other-vehicle will continue traveling in the same lane. If it is determined that the other-vehicle will continue traveling in the same lane, the other-vehicle is identified as a target vehicle by a target vehicle identification unit.

Abstract: A system for communicating to a motor vehicle operator the maximum safe speed at which the vehicle can be operated. The system includes receiver(s), sensor(s), processor(s) and dashboard display(s). The receiver(s) detects a legal speed limit. Sensor(s) detects environmental conditions surrounding the motor vehicle. The processor(s): receive data from the receiver(s) and sensor(s); calculates a maximum safe speed; and calculates a safe speed range based on the maximum safe speed and the legal speed limit. The dashboard display alerts the driver if the maximum safe speed is less than the legal speed limit, and displays the safe speed range if the maximum safe speed is less than the legal speed limit.

Abstract: A wheel speed transducer including a magnetic device associated with a wheel and a sensor device associated with the axle of the wheel provides data indicative of the velocity of the wheel. A processor located at the axle receives the wheel speed data and processes it to perform antiskid control functions. The velocity data is stored in a data concentrator also associated with the axle. A tire pressure sensor, a brake temperature sensor and a brake torque sensor, each associated with the wheel, send data to the processor at the axle, for storage in the data concentrator. A transmitting antenna associated with the axle and in communication with the data concentrator transmits stored data to a receiving antenna associated with the wheel. A data port at the wheel and in communication with the receiving antenna provides an interface to an external device for receiving the data.

Abstract: Signal lights are connected to the standard car braking alert circuit and to a first and second additional circuits respectively. A pole balanced on a pivot determines the flashing of different signals by activating switching means to close one or more circuits depending on the magnitude of the braking operation.

Abstract: An apparatus is provided for measuring wear-induced displacement of a brake lining with respect to an associated brake caliper, comprising a gear mechanism for converting the wear-induced displacement into a rotary movement, having a sensor for detecting the rotary movement, wherein a contact-free coupling is provided for transmitting the rotary movement to the sensor. The apparatus is designed in such a way that the sensor generates an analogue or pulse-width-modulated detection signal for determining the wear-induced displacement of the brake lining, wherein the detection signal corresponds to the respective displacement caused by the rotary movement. The invention also related to a corresponding method for measuring the wear-induced displacement of a brake lining with respect to an associated brake caliper.