Abstract: A fully-functional radio receiver fabricated from a single nanotube is being disclosed. Simultaneously, a single nanotube can perform the functions of all major components of a radio: antenna, tunable band-pass filter, amplifier, and demodulator. A DC voltage source, as supplied by a battery, can power the radio. Using carrier waves in the commercially relevant 40-400 MHz range and both frequency and amplitude modulation techniques, successful music and voice reception has been demonstrated. Also disclosed are a radio transmitter and a mass sensor using a nanotube resonator device.

Abstract: In one embodiment, a method for inspecting an electronic component includes preparing a current detector which is electrically connected to a current detection terminal via a gating device, and electrically connecting the current detection terminal to an interconnect which is in the electronic component and on which a failure portion is suspected to be generated. The method further includes pulsing an electron beam and irradiating the interconnect with the electron beam, and detecting a current generated when the interconnect is irradiated with the electron beam, by the current detector, while adjusting an opening and a closing of a gate in the gating device.

Abstract: A noise figure deriving device is provided to precisely obtain the noise figure (NF) of a receiver. The noise figure deriving device includes a first NF deriving unit that derives a first noise figure, which is a noise figure when a predetermined receiver-side pin pin1R is connected to a receiver, based on a ratio Y of one power to the other power of two types of reference noise. The noise figure deriving device also includes a second NF deriving unit that derives a second noise figure, which is a noise figure when receiver-side pins pin2R, pin3R, and pin4R are connected to the receiver, based on an inter-measurement-device-side-terminal difference and the first noise figure. The inter-measurement-device-side-terminal difference is a difference between the first noise figure and the second noise figure.

Abstract: An angle detection device of the present invention includes: a stator which includes a plurality of salient pole portions which are formed on a flat sheet made of a magnetic material and are raised by bending, each salient pole portion constituting a winding magnetic core on which a winding member for excitation and a winding member for detection are mounted; and a rotor which is made of a magnetic material and is provided rotatably relative to the stator such that gap permeance between the rotor and each salient pole portion is changed due to the rotation of the rotor about a rotational axis of the rotor. According to the angle detection device of the present invention, it is possible to provide the angle detection device which can largely reduce the number of parts and can realize the reduction of cost and the enhancement of reliability.

Abstract: An angle detection system of the present invention includes: a stator 200 which includes a plurality of salient pole portions which are formed on a flat sheet made of a magnetic material and are raised by bending, each salient pole portion constituting a winding magnetic core on which a winding member for excitation and a winding member for detection are mounted; and a rotor 300 which is made of a magnetic material and is configured to be rotatable relative to the stator such that gap permeance between the rotor and each salient pole portion is changed due to the rotation thereof about a rotational axis thereof. According to the angle detection device of the present invention, it is possible to provide the angle detection device which can largely reduce the number of parts and can realize the reduction of cost and the enhancement of reliability.

Abstract: A method for accelerated life testing of organic devices is provided. The lifetime of each of one or more individual organic emissive devices is measured at a non-heating current density. Based upon the measured lifetimes of the one or more devices, the device lifetime is determined for a selected luminance. An organic emissive panel is also obtained having a second organic stack that consists essentially of the one or more organic layers of the first organic stack. The junction temperature of the organic emissive panel is then determined at a heating current density. Based upon the junction temperature and the device lifetime of the one or more individual organic emissive devices, the expected lifetime of the organic emissive panel is then determined at the heating current density.

Abstract: An array element circuit with an integrated impedance sensor is provided. The array element circuit includes an array element which is controlled by application of a drive voltage by a drive element; writing circuitry for writing the drive voltage to the drive element; and sense circuitry for sensing an impedance presented at the drive element.

Abstract: A static random-access memory (SRAM) cell which includes: a sampling switch and a feedback switch; and a first inverter and a second inverter connected in series whereby an output of the first inverter is connected to an input of the second inverter. An input of the first inverter is connected to a data input of the SRAM cell via the sampling switch, and to a data output of the SRAM cell independent of the feedback switch, an output of the second inverter is connected to the input of the first inverter via the feedback switch, and first and second clock inputs of the SRAM cell are configured to control the sampling switch and the feedback switch, respectively.

Abstract: A device for using electromagnetic pulses to determine a distance to a surface includes a pulse generator, a real time sampler and a calibration unit having a signal generator for generating a calibration signal with a predefined frequency. In a calibration mode the real time sampler receives the calibration signal, and an average sample time delay of the sampler is determined based on the sampled calibration signal and the known calibration frequency. In a measurement mode, the real time sampler receives a reflection signal and the distance is determined based on a sampled reflection signal and the average sample time delay. Knowledge of the average delay of the sampler makes it possible to exactly determine the distance (in time and thus space) between two points in the sampled signal.

Abstract: Disclosed is a position sensor, in particular a rotor position sensor, comprising a base. A track that is provided with a conducting coating is formed within the surface of the base relevant for evaluating signals. Since the track is formed within the base, the desired position-dependent modulation of the eddy current behavior is obtained by design measures, resulting in low manufacturing tolerance and reduced production costs.

Abstract: A proximity sensor includes a circuit board provided with a processing circuit, a light emitting device mounted on the surface of the circuit board, and a light-transmitting cylindrical light guide surrounding the portion of the circuit board having the light emitting device mounted thereon and guiding the outgoing light from the light emitting device to be emitted to outside. The cylindrical light guide includes the first light emitting surface as the first light outgoing region causing the light emitted from the light emitting device to pass therethrough and directly emitting the light to outside, a reflective surface reflecting the light emitted from the light emitting device to guide the light through the cylindrical light guide in the circumferential direction, and the second light emitting surface as the second light outgoing region emitting, to outside, the light reflected on the reflective surface and propagated through the cylindrical light guide.

Abstract: Spring assemblies and a test socket using the spring assemblies. The spring assemblies are used in a test socket electrically connecting lead terminals of a semiconductor chip to test terminals of a test device by contacting the lead terminals and the test terminals, and include: first springs in which a first steel wire having elasticity and conductivity is coiled in a spiral in one direction; and second springs in which a second steel wire having elasticity and conductivity is coiled in a spiral in an opposite direction to the direction in which the first springs are coiled, which have outer diameters narrower than inner diameters of the first springs, and are inserted into the first springs. Accordingly, electric resistances and inductances of two spring assemblies coiled in a spiral are reduced to improve electricity transmission characteristic. A height of a test socket is easily adjusted using spring assemblies having desired lengths.

Abstract: An apparatus for making contact between a T/R module and a test device, the apparatus including a mechanically guided contact-making unit having a plurality of contact elements for contacting the T/R module. A triplate line substrate is arranged is electrically connected to the T/R module, via which the RF signals can be passed to the test device. One or more register pins for defined alignment of the T/R module with respect to the contact-making unit and a fixing unit for mechanical fixing of the T/R module are provided. A shifting device has a plurality of inclined planes that convert a shifting movement of the shifting device to a movement of the contact-making unit toward the T/R module at right angles to the shifting direction. When the contact-making unit reaches a defined final position the contact is made with the T/R module via the contact elements in one process.

Abstract: An angle detection apparatus comprising a magnet rotor having a multi-pole segment magnet, and a magnetic sensor for detecting the direction of a magnetic flux generated from the multi-pole segment magnet; the multi-pole segment magnet having pluralities of magnetic poles along the rotation direction of the magnet rotor, the magnetic sensor comprising a magnetosensitive plane having pluralities of spin-valve, giant-magnetoresistive devices each having a pinned layer having a fixed magnetization direction and a free layer having a magnetization direction rotating in response to the magnetic flux direction; and the magnetic sensor being positioned relative to the magnet rotor, such that the magnetosensitive plane crosses the magnetic flux, with perpendicular magnetic flux density components having different amplitudes on the magnetosensitive plane.

Abstract: Embodiments are provided: a known signal extraction circuit a distributing arrangement circuit which distributes a known signal in a fixed section; a frequency conversion circuit which causes the distributed output to be a frequency-domain signal; a delay detection circuit which determines an amount of phase variation between adjacent frequency components in the frequency-domain signal; a distributing arrangement circuit which distributes a signal of the same sequence as the known signal described above in a fixed section; a frequency conversion circuit which causes the distributed output to be a frequency-domain signal; a delay detection circuit which determines an amount of phase variation between adjacent frequency components in the frequency-domain signal; a correlation operation circuit which obtains a correlation value between two delay detection outputs; and a peak detection circuit which detects one or more high power peaks among the correlation values and obtain frequency difference from a reference

Abstract: A multi-meter for a test probe includes a main body, two test probes and a clamping means. The test probe includes a test pin, a connecting portion, and a lead electrically connected between the test pin and the connecting portion. The connecting portion is inserted into the main body and electrically thereto. The clamping means comprises a liftable cover and a clamping portion formed on the liftable cover. One end of the liftable cover is pivotally connected to the main body. The clamping portion is configured to clamp the test pin. By this structure, the test pin is clamped by the camping portion to help a user carrying out the measurement.

Abstract: There is provided an angle sensor and angle detection device of high output and high accuracy with a wide operating temperature range. First through eighth sensor units 511, 522, 523, 514, 531, 542, 543 and 534 are produced from spin valve magnetoresistive films that use a self-pinned type ferromagnetic pinned layer comprising two layers of ferromagnetic films that are strongly and anti-ferromagnetically coupled. The respective sensor units are produced via the formation and patterning of thin-films magnetized at angles that differ by 90°, and the formation of insulation films. By using, for the ferromagnetic films, CoFe and FeCo films that have similar Curie temperatures to make the difference in magnetization amount be zero, high immunity to external magnetic fields, a broad adaptive temperature range, and high output are realized.

Abstract: An apparatus for detecting a rotation angle using a magnet rotor comprising a magnet having 2N poles, wherein N is a natural number, and a sensor device for detecting the direction of a magnetic flux from the magnet rotor, at least one of two output voltages obtained in radial and rotational directions by the sensor device being multiplied by a correction coefficient, and the rotation angle being calculated from the two corrected output voltages to increase the detection accuracy of the rotation angle.

Abstract: A solar simulator and a measurement method of the multi-junction photovoltaic device is provided. The measurement method includes following processes. The process that the halogen lamp emits a flash and a top of a light pulse wave shape is controlled to be flat. The process that the xenon lamp once or plural times emits a flash which has the flat top and is shorter pulse than the flat area of the halogen lamp flash while the top of a light pulse shape of the halogen lamp flash is flat. The process that the flashes from the halogen lamp and the xenon lamp is irradiated to the photovoltaic device as the measurement object, and during the emission of the flash from the xenon lamp, the load of the photovoltaic device is controlled and the current and the voltage generating therefrom are measured at single point or plural points.

Abstract: The invention relates to a linear sensor, comprising a sleeve, a pin which comprises a permanent magnet and is linearly displaceably supported in the sleeve, and a magnetic field sensor which is fastened to the sleeve and used to detect a displacement of the permanent magnet, characterized in that the pin is guided by way of a substantially cylindrical guide and has a magnet or pin holder.