Abstract: A technique for implementing an clock tree distribution network having a clock buffer and a plurality of LC tanks that each take into \consideration local capacitance distributions and conductor resistances. An AC-based sizing formulation is applied to the buffer and to the LC tanks so as to reduce the total buffer area. The technique is iterative and can be fully automated while also reducing clock distribution power consumption.

Abstract: According to one embodiment, there is provided a semiconductor device including a first capacitance electrode, a second capacitance electrode, and a depletion layer. The first capacitance electrode is buried in a hole via an insulating film. The hole is formed in a semiconductor substrate. The second capacitance electrode is formed on a front surface side or on a back surface side of the semiconductor substrate so as to be separated from the first capacitance electrode. The depletion layer forming mechanism includes a control electrode, and forms a depletion layer between the first capacitance electrode and the second capacitance electrode.

Abstract: An oscillator circuit includes a Wien-bridge oscillator. A non-detuned oscillating signal and a detuned oscillating signal are tapped from the Wien-bridge oscillator. A sum of a weighted detuned signal and a weighted non-detuned signal is coupled as feedback signal to the Wien-bridge to control the oscillation amplitude.

Abstract: An oscillator that can suppress a solder crack caused by a temperature change by a simple structure at low cost and improve heat cycle resistance performance is provided. The oscillator includes an epoxy resin board and an electronic component mounted on the board. Two-terminal electrode patterns are formed on the board, and connected to terminal electrodes of the electronic component by solder. A projection is formed on each of the electrode patterns at a part connected to a corresponding terminal electrode to create a space between the terminal electrode and the electrode pattern, and the solder forms a fillet in the space. This contributes to enhanced adhesion strength of the solder.

Abstract: A modulating device including: a first convertor configured to generate a converted analog signal by analog conversion on a input digital signal, a modulator configured to generate a modulated signal by quadrature modulation, a phase shifter configured to generate a phase shift signal by phase rotation, a demodulator configured to generate a demodulated signal by quadrature demodulation, a second convertor to generate a converted digital signal by digital conversion, a calculating circuit configured to estimate a the first direct current offset based on the input digital signal and the converted digital signal, the first direct current offset being a noise of digital current component generated between the input digital signal inputted to the first convertor and the output signal inputted to the demodulator, and a correcting circuit configured to correct at least one among from the input digital signal to the output signal based on the first direct current offset.

Abstract: A dielectric waveguide may be manufactured by forming a set of parallel channels in a planar sheet that has a lower dielectric constant value. The set of channels is then filled with a material having a higher dielectric constant value. The planar sheet is sliced into a plurality of strips that each contain one or more of the channels.

Abstract: A circulator for a waveguide is provided. The circulator comprises a waveguide housing including a central cavity, and a ferrite element disposed in the central cavity of the waveguide housing, with the ferrite element including a first surface and an opposing second surface. The circulator also comprises a pair of asymmetric dielectric spacers including a first dielectric spacer located on the first surface of the ferrite element, and a second dielectric spacer located on the second surface of the ferrite element.

Abstract: A waveguide circulator for an electro-magnetic field having a wavelength is provided. The waveguide circulator includes: N waveguide arms, where N is a positive integer; a ferrite element having N segments protruding into the N respective waveguide arms; at most (N?1) quarter-wave dielectric transformers attached to respective ends of at most (N?1) other segments; a first quarter-wave dielectric transformer attached to an end of the first segment; and a coaxial-coupling component. The N waveguide arms include a first-waveguide arm and (N?1) other-waveguide arms. The N segments include a first segment protruding into the first-waveguide arm and (N?1) other segments protruding into respective (N?1) other-waveguide arms. The coaxial-coupling component is positioned within a quarter wavelength of the electro-magnetic field from the first quarter-wave dielectric transformer positioned in the first-waveguide arm.

Abstract: Disclosed is a grounding pattern structure for high-frequency connection pads of a circuit board. A substrate of the circuit board includes a component surface on which at least a pair of high-frequency connection pads. At least a pair of differential mode signal lines are formed on the substrate and connected to the high-frequency connection pads. The grounding surface of the substrate includes a grounding layer formed at a location corresponding to the differential mode signal lines. The grounding surface of the substrate includes a grounding pattern structure formed thereon to correspond to a location adjacent to the high-frequency connection pads. The grounding pattern structure is electrically connected to the grounding layer. The component surface of the substrate can be provided with a connector mounted thereto with signal terminals of the connector soldered to the high-frequency connection pads.

Abstract: A metallic waveguide is mounted on a multilayer substrate. The metallic waveguide has an open end formed by a top, bottom and sides configured to receive a core member of a dielectric waveguide, and an opposite tapered end formed by declining the top of the metallic waveguide past the bottom of the metallic waveguide and down to contact the multilayer substrate. A pinnacle of the tapered end is coupled to the ground plane element, and the bottom side of the metallic waveguide is in contact with the multiplayer substrate and coupled to the microstrip line.

Abstract: A power divider phase shifter is a structure of a hybrid ring formed of a power divider ring and two coupling rings. The input end of the power divider ring serves as the input of the power dividing phase shifter, while the output end of the power divider ring is connected with two parallel coupling rings, the output end of which each serves as the output of the power divider phase shifter.

Abstract: A galvanically isolated, directional coupler, especially for in- and out-coupling of high-frequency measurement signals of a radar fill-level measuring device, wherein two mutually engaging, oppositely bent, conductive traces are provided, wherein the two oppositely bent, conductive traces are so arranged that that they couple with one another over a region of a quarter wavelength (?/4) of the wavelength associated with the center frequency of the measuring signals and form two groups of laterally coupled, conductive traces, and wherein curved conductive trace portions adjoin each of the two groups of laterally coupled, conductive traces, in each case, over a region, which is less than an eighth wavelength (?/8) of the wavelength associated with the center frequency.

Abstract: A broadband butler matrix device includes a 90° branch-line hybrid coupler having an input terminal provided at one side thereof and configured to receive an input signal through the input terminal, and distribute and output the received signal such that the distributed signals have a phase difference of 90°. Further, the broadband butler matrix device includes a 45° broadband phase shifter configured to change the phases of the signals outputted through the 90° branch-line hybrid coupler, using an open and short stub having an electrical length of 45°.

Abstract: A tunable resonator includes at least one tunable capacitor coupled with at least one tunable inductor. The tunable resonator includes a mechanical tuning mechanism coupled with a connecting bridge and with first and second electrodes of the tunable inductor. The mechanical tuning mechanism also moves the first and second electrodes of the tunable inductor relative to an electrode of the tunable capacitor, and providing a force down onto or to pull up a connecting bridge to tune the tunable inductor.

Abstract: Systems, devices, and methods for tunable filters that are configured to support multiple frequency bands, such as within the field of cellular radio communication, can include a first resonator and a second resonator configured to block signals within one or more frequency ranges, and one or more coupling element connected to both the first resonator and the second resonator. The one or more coupling element can be configured to provide low insertion loss within a pass band.

Abstract: An acoustic wave device includes a piezoelectric substrate, an interdigital transducer (IDT) electrode provided on an upper surface of the piezoelectric substrate, a first dielectric film covering the upper surface of the piezoelectric substrate to cover the IDT electrode, and a second dielectric film covering an upper surface of the first dielectric film. The second dielectric film includes a thin portion positioned in a tip region of electrode fingers of the IDT electrode and a thick portion which is positioned in a middle region of the IDT electrode and is thicker than the thin portion. The acoustic wave device suppresses spurious emission and has superior passband characteristics.

Abstract: Embodiments of the present invention disclose a filter, including: a conductive box body, and an insulating substrate, a first conductor, and a second conductor that are arranged inside the conductive box body. The insulating substrate includes a first surface and a second surface. The first conductor is arranged on the first surface of the insulating substrate. A position on the second surface corresponding to the first conductor contacts with the conductive box body. The second conductor is arranged on the first surface or the second surface of the insulating substrate. The second conductor and the conductive box body form a coaxial resonant cavity together. Further, an end of the second conductor is coupled with the first conductor, and the other end of the second conductor is coupled with the conductive box body. The filter has advantages of a microstrip filter of simple manufacturing process and small volume.

Abstract: A horn antenna is formed within a multilayer substrate and has a generally trapezoidal shaped top plate and bottom plate formed in different layers of the multilayer substrate. A set of densely spaced vias form two sidewalls of the horn antenna by coupling adjacent edges of the top plate and the bottom plate. The horn antenna has a narrow input end and a wider flare end. A microstrip line is coupled to the top plate and a ground plane element is coupled to the bottom plate at the input end of the horn antenna.

Abstract: A communication cable includes one or more conductive elements surrounded by a dielectric sheath. The sheath member has a first dielectric constant value. A dielectric core member is placed longitudinally adjacent to and in contact with an outer surface of the sheath member. The core member has a second dielectric constant value that is higher than the first dielectric constant value. A cladding surrounds the sheath member and the dielectric core member. The cladding has a third dielectric constant value that is lower than the second dielectric constant value. A dielectric wave guide is formed by the dielectric core member surrounded by the sheath and the cladding.

Abstract: A multichannel dielectric wave guide includes a set of dielectric core members that have a length and a cross section shape that is approximately rectangular, The core members have a first dielectric constant value. A cladding surrounds the set of dielectric core members and has a second dielectric constant value that is lower than the first dielectric constant.

Abstract: A dielectric wave guide (DWG) has a longitudinal dielectric core member. The core member has a first dielectric constant value. A cladding surrounds the dielectric core member and has a second dielectric constant value that is lower than the first dielectric constant. A portion of the DWG is configured as a corner having a radius. A conductive layer formed on an outer radius of the corner.

Abstract: A communication cable includes a dielectric wave guide (DWG) that has a dielectric core member that has a first dielectric constant value and a cladding surrounding the dielectric core member that has a second dielectric constant value that is lower than the first dielectric constant. An RJ45 compatible connector is attached to a mating end of the DWG. The RJ45 connector is configured to retain a complimentary coupling mechanism on a mating end of a second DWG.

Abstract: A rotatable coupler for dielectric wave guides is described. A first dielectric wave guide (DWG) has an interface surface at a one end of the DWG. A second DWG has a matching interface surface at an end of the second DWG. A rotatable coupling mechanism is coupled to the two DWG ends and is configured to hold the interface surface of the first DWG in axial alignment with the interface surface of the second DWG while allowing the interface surface of the first DWG to rotate axially with respect to the interface surface of the second DWG.

Abstract: A method of removably mounting objects on a surface by embedding a magnet in the surface and securing it in place either of the following: providing a hollow insert which frictionally engages both the magnet and the surface, providing a restraining material which once affixed to the surface prevents the magnet from being dislodged, or affixing the magnet into the surface by means of a filler material. Means have also been provided to improve the mounting performance for different types of objects, including the following magnetically responsive tags which once affixed to the object increase its overall magnetism and including features on said magnetically responsive tags that engage with either the magnet installation directly or with engagement articles affixed to the surface in the vicinity of the installed magnet.

Abstract: A power generation device includes a first magnet member, a second magnet member which is disposed such that the N pole side thereof is in the opposite direction to the N pole side of the first magnet member, a yoke which is disposed between the first magnet member and the second magnet member, an induction coil which is disposed at an outer periphery of the yoke. When the first magnet member and the second magnet member slidingly move in synchronization or when the yoke slidingly moves, the direction of a magnetic flux flowing in the yoke changes to generate an electromotive force in the induction coil.

Abstract: A power supply module is disclosed. the power supply module includes a coil including a coil body and connecting terminals; an electronic component including at least an integrated circuit chip; a magnetic core configured to enclose in and around the coil body, wherein a recess is provided on at least one side surface of the magnetic core, the electronic components are located in the recess, and an opening is provided on at least one side wall of the recess; a connector configured to be tightly attached to and cover the side surface where the recess is provided, and be electrically connected with the coil and the electronic component; and a heat conducting material provided in the recess and configured to cover the electronic component.

Abstract: A tunable inductor includes a first wire coil having a first terminal lead, and a second wire coil having a second terminal lead that is arranged and oriented in the same direction as the first terminal lead. The tunable inductor further includes a connecting bridge connecting the first wire coil with the second wire coil opposite the first and second terminal leads, such that the first wire coil and second wire coil are arranged in series and spaced side-by-side separated by a space. The tunable inductor further includes a mechanical tuning mechanism coupled with the connecting bridge, to provide a force down onto or a force pulling up the connecting bridge, and to respectively decrease the space between the first wire coil and the second wire coil to increase inductance, or increase the space between the first wire coil and the second wire coil to decrease inductance.

Abstract: Systems and implementations for inductance tuning systems that are configured to operate in a wide range of frequencies are provided herein. The subject matter described herein can in some embodiments include an inductance tuning system including at least one inductor connected to a first terminal, the at least one inductor comprising of a plurality of inductive elements that are substantially magnetically coupled to each other, wherein spacing between the inductive elements are substantially less than diameters of the windings. At least one capacitor can be connected between one or more of the plurality of inductive elements and a second terminal.

Abstract: The invention proposes an induction component produced using thin film technology which can be used for a variety of functions. It contains, on a magnet core with a ring shape, two coil devices which, for their Part, are in turn constructed from at least two coils. The adjacent end windings of adjacent coils are connected to one another and to a common solder pad within each coil device. This makes it possible to connect individual coils and thus to utilize different functions of the induction component.

Abstract: A surface mount inductor including a drum core having a pair of flanges at both ends of a winding shaft thereof, a winding formed by winding an insulation-coated wire around the winding shaft, and a pair of plate-like metal terminals arranged on a flange surface of the drum core and each having a protrusion part protruding from a perimeter of the flange, wherein terminals of the winding are tied around the protrusion parts, the protrusion parts are compressed in a vertical direction and formed to have a predetermined height-direction dimension, and tied parts are immersed in a solder bath to be subjected to connection processing.

Abstract: Provided is a high voltage transformer. The high voltage transformer includes a core, a primary coil part wound around the core, the primary coil part receiving alternating current (AC) power, and a secondary coil part in which a high voltage supplied to a magnetron is induced by the primary coil part, the secondary coil being wound around the core. The primary coil part includes a plurality of even number of coils having the same turn number.

Abstract: Disclosed herein are a thin film common mode filter and a method of manufacturing the same. The thin film common mode filter according to the exemplary embodiment of the present invention includes a magnetic substrate made of a magnetic ceramic material; and coil patterns formed on the magnetic substrate, wherein external electrodes connected with the coil patterns are sequentially stacked and insulating layers formed on and beneath the coil pattern are made of a composite of ferrite powder and thermosetting resin.

Abstract: Disclosed herein is an inductor including: a core layer having a conductive pattern formed on a surface thereof and having a through-hole formed at a region in which the conductive pattern is not formed; and a magnetic layer covering the core layer, wherein the magnetic layer includes: a filled part filled in the through-hole and having high magnetic material filling density; and a cover part covering the surface of the core layer and having magnetic material filling density lower than that of the filled part.

Abstract: The present invention relates to an inductor. An inductor in accordance with an embodiment of the present invention includes: an insulating layer having a hole; a conductive pattern disposed on both surfaces of the insulating layer and having a structure in which portions disposed on the both surfaces are electrically connected to each other through the hole; and a magnetic layer disposed on the insulating layer to cover the conductive pattern, wherein the conductive pattern has a plating pattern formed by performing a plating process.

Abstract: In an electronic component, a multilayer body is formed by a plurality of stacked insulator layers. A coil includes at least one coil conductor layer provided on at least one of the insulator layers. External electrodes are embedded in a lateral surface of the multilayer body which is formed by a series of continuous perimeter edges of the plurality of insulator layers, and includes a plurality of stacked external conductor layers provided on the plurality of insulator layers. The external electrodes have different shapes. The external conductor layers and the first coil conductor, which are provided on the same insulator layer, are simultaneously formed by photolithography or printing.

Abstract: A coil component is provided with a first magnetic substrate, a laminate body, and a second magnetic substrate. A coil is formed inside the laminate body. In the coil, a plurality of coil patterns provided on one surface of an insulation layer and a plurality of coil patterns provided on the other surface of the insulation layer are connected at multiple locations through vias. The coil patterns are configured in such a manner that a portion which is in contact with each via has a wider width widened with equal size from the center of a coil pattern to both sides thereof in the width direction, and a portion which is adjacent to the portion having the wider width across a gap has a narrower width (s) narrowed with equal size from the center of the coil pattern to both sides thereof in the width direction.

Abstract: A breaker (1) is provided with: a fixed piece (2) which has a fixed contact; a movable piece which has a movable contact at a front end portion and pushes the movable contact against the fixed contact to bring same into contact with each other; a thermally responsive element that deforms in accordance with a change in temperature and thereby actuates the movable piece so that the movable contact separates from the fixed contact; and a case body (71) of a resin case that accommodates the fixed piece (2), the movable piece, and the thermally responsive element. The case body (71) has recess portions (75, 77) which are recessed from a peripheral portion, and the fixed piece (2) has a withdrawal portion (25) that withdraws from the recess portions (75, 77) of the case body (71) by a predetermined first distance (D1) or more, and is embedded in the case body (71).

Abstract: A side looking occupancy sensor is incorporated in a conventional wall switch mounted into a switch box adjacent to a door. The side-looking proximity sensor preferably is mountable to either side of the doorjamb to make the side-looking proximity sensor face the door opening. During operation, the side-looking sensor monitors the door movement or senses the passage of a person for indication that a person is entering or leaving the space. Entry and exit determination is made based on activation of the side-looking sensor.

Abstract: Provided is a convertible type computer (PC) 1 comprising a second housing 3 including a display section 3a, and a first housing 2 including a palm rest 2b. A first antenna 6a is disposed on the palm rest 2b, and a second antenna 7a is disposed on a reverse surface 2e of the first housing 2 immediately beneath the first antenna 6a. An attitude sensor 8 detects whether the PC 1 has a clam shell form or a tablet form. In accordance with a detection result, a switch section 9 switches between the first antenna 6a and the second antenna 7a for establishing wireless communication with an external terminal to communicate information. Therefore, it is possible to switch between information signals through the first antenna 6a and information signals through the second antenna 7a depending on the attitude of the PC 1, and fine communication can be established.

Abstract: A sole and/or a removable inner sole insert for footwear. The sole and/or removable insert includes one or more bladders, compartments, chambers, or internal sipes located in the sole and/or the removable inner sole insert, one or more sensors located in or on the sole and/or in the removable inner sole insert and/or located in or on an insole; and one or more of the bladders, compartments, chambers, or internal sipes. The one or more sensors are configured for control by a smartphone or other mobile computer device, general purpose or specialized; and the control is conducted through a wired or a wireless connection.

Abstract: A method including determining location of at least one second device relative to a first device, where at least two of the devices are configured to play audio sounds based upon audio signals; and mixing at least two of the audio signals based, at least partially, upon the determined location(s).

Abstract: Mobile device speaker control may include: monitoring one or more devices coupled (e.g., wired or wirelessly) with a data network, receiving one or more data packets from each of the one or more devices, filtering received data packets by evaluating a received signal strength (e.g., RSSI) of the received packets. The received packets may be ordered in a priority based on a value, and comparing the received signal strength of each of the received packets to a threshold to determine whether the one or more devices are to perform an action; and/or detecting a device within a proximity of a speaker box coupled with a data network, filtering a data packet received from the device to determine a received signal strength associated with the device, comparing the received signal strength to a threshold, and determining whether an action is to be performed based on a result of the comparing.

Abstract: A medication delivery system is disclosed that includes a portable container and a controller. The portable container includes a body and a lid that forms a securable storage compartment, and a latch that is coupled to the body and configured to releasably secure the lid. The portable container also includes a processor and a power source coupled to the latch, the processor causing the latch to release when an access signal based on a unique identifier is received.

Abstract: Disclosed herein are systems and methods for determining whether individuals seeking access to a facility site are authorized to enter. The system identifies a license plate of a vehicle approaching a controlled entrance of the facility site. If the vehicle is found in a database of enrolled entrants, then an enrolled entrant is loaded into a quick access memory. Iris scans of passengers the passengers are taken and compared against records of the enrolled entrants, beginning with the expected passengers identified as being associated with the license of the vehicle approaching the facility site.

Abstract: A secure keyless entry system integrates into an existing motorized garage door opening system to replace the one button transmitters typically placed in a vehicle. The one button transmitters are replaced with remote modules having alpha numeric key pads. The remote modules accept a string of input and compare the last four to eight entries to a previously set designated PIN. In order to obfuscate the designated PIN from on lookers, a user of the system may first enter a random string of decoy characters before finally entering the designated PIN. The disclosed system may also be used to replace the metal keys typically used to secure entry doors to a dwelling.

Abstract: The disclosure includes a system and method for charging a target object wirelessly. The system includes a processor and a memory storing instructions that when executed cause the system to: receive data describing a code from a target object, the code being stored on a tagging device and configured to be read wirelessly by a reading device associated with the target object; verify the code; determine that a location associated with the target object satisfies a safe charging range responsive to the verification of the code, the verification of the code indicating a charging distance between a power transmitter and a power receiver associated with the target object satisfies a safe charging distance; and instruct the power transmitter to wirelessly transmit power to the power receiver associated with the target object responsive to determining that the location of the target object satisfies the safe charging range.

Abstract: The invention relates to a power supply device for wireless communication with a communication device, in particular a wireless contact based or contactless communication device, of a user and for supplying power to an authenticated device based on a result of the wireless communication, wherein the authenticated device is a user's device or an on-demand service device authenticated by the power supply device. According to the invention, the power supply device comprises a securing element configured for mutual secure authentication with an external communication device, and in that the user is granted permission to use the authenticated device with the power supplied by the power supply device based on a successful mutual secure authentication between the securing element and the user's communication device. The invention further relates to a corresponding method for granting a user access to power supply from a power supply device.

Abstract: The invention relates to an access unit (5; 23) for communicating with a further access unit (5; 23) to control access to a vehicle (3). The access unit (5; 23) comprises at least a first transmitter (11; 25) for transmitting a polling signal; and at least a first receiver (11; 25) for receiving an authentication signal from the further access unit (5; 23) in response to the polling signal. At least the first transmitter (11; 25) is a first ultra-wideband transmitter and at least the first receiver (11; 25) is a first ultra-wide-band receiver. The invention also relates to a vehicle access system (1) which is a combination of the access and further access units (5; 23). The invention also relates to methods of operating a vehicle access system (1) and a vehicle access unit (5; 23).

Abstract: A vehicle security system that includes a knock detection means such as a microphone configured to detect knocking on the vehicle such as knocking on a window of the vehicle. The system includes a controller configured to receive a signal from the knock detection means and unlock a door of the vehicle if the signal corresponds to a predetermined pattern.

Abstract: A panic device operable in conjunction with a local device is configured to unlock a locking mechanism. The panic device can take the form of an electronic key fob, a key shaft, or a key holder. A first trigger on the panic device triggers a local alarm that is on-board or off-board the panic device. A second trigger on the panic device can activate an alarm circuitry that utilizes a local device to provide position information to a distant dispatch station. The local device uses a GPS-aware circuitry or other non-GPS means such as triangulation to determine the position information. The position information can then be sent to the distant dispatch station with or without the aid of the local device.