Abstract: A magnetic field shielding system includes a first stage superconducting coil and a second stage superconducting coil. The first stage superconducting coil and the second stage superconducting coil are coaxial, coplanar and electrically connected in series to form a closed loop; the first stage superconducting coil has a first radius R1, the second stage superconducting coil has a second radius R2, and R1>R2; a radius ratio ? between the first radius R1 and the second radius R2 is: ?=R1/R2; the first stage superconducting coil has N1 turns; the second stage superconducting coil has N2 turns; a turns ratio ? between N1 and N2 is: ?=N1/N2; and the radius ratio ? satisfies: ??2; the turns ratio ? satisfies: 0.01???20.

Abstract: The present disclosure is related to methods and electronic devices for amplifying a video image. Illustrative methods herein may include detecting a pressure value corresponded to a press operation when the press operation is received in a target display region of a display screen, generating a video window at a preset location of the display screen when the pressure value corresponded to the press operation is greater than a threshold, and amplifying the video image in the target display region to a preset multiples and displaying it in the video window. According to aspects of the present disclosure, a video window may be generated at a preset location of the display screen, so that a video image in the target display region may be conveniently amplified to preset multiples and displayed in the video window.

Abstract: In one embodiment, a method includes: obtaining location information and motion information of a wireless communication apparatus, and a data set from one or more information sources external to the wireless communication apparatus; and organizing data of the data set for display, where the organizing is based on the location and motion information of the wireless communication apparatus. Methods of other embodiments may also include defining a search radius based on the location information and motion information of the wireless communication apparatus, and the organizing may also include filtering the data set from the one or more information sources to exclude data from information sources outside the defined search radius.

Abstract: A magnetic field shielding system includes a first stage superconducting coil and a second stage superconducting coil. The first stage superconducting coil and the second stage superconducting coil are coaxial, coplanar and electrically connected in series to form a closed loop; the first stage superconducting coil has a first radius R1, the second stage superconducting coil has a second radius R2, and R1>R2; a radius ratio ? between the first radius R1 and the second radius R2 is: ?=R1/R2; the first stage superconducting coil has N1 turns; the second stage superconducting coil has N2 turns; a turns ratio ? between N1 and N2 is: ?=N1/N2; and the radius ratio ? satisfies: ??2; the turns ratio ? satisfies: 0.01???20.

Abstract: Function exits are instrumented in tail-call optimized code in which calls to target functions and return instructions are replaced by jump instructions. A probe engine identifies a tail-call jump and instruments the jumps to raise an exception. In response to an exception raised at the tail-call jump, an exception handler loads various registers and transferring control to a trampoline, which calls the jump target. After the target function returns, an exit probe is fired when the trampoline itself returns.

Abstract: An adaptive sliding-frequency triggering ignition method for electronic ballast of high pressure gas discharge lamp includes the steps of: measuring an accurate value of free oscillation frequency of the ballast load loop by using a single-chip before sliding-frequency triggering ignition, implementing safe and reliable sliding-frequency triggering ignition after calculating the initial frequency and ending frequency of sliding-frequency triggering ignition according to the accurate value. The method can safely and reliably finish sliding-frequency triggering ignition course, thus improving the parameters such as the quality, life of the high pressure gas discharge lamp electronic ballast.

Abstract: The disclosure generally relates to methods and apparatuses for user authentication. According to embodiments of the present invention, authentication-related information may be encoded in an image such as a QR code. By communicating and decoding such image information and other authentication information between one or more devices of the user and an authentication server, the authentication server may perform an effective authentication to the user and his/her device. In the meantime, it is possible to avoid the risk of invalid authentication due to the disclosure of the password. Embodiments of the present invention may be used in combination with the existing static password and/or dynamic password authentication and thus they have a good compatibility.

Abstract: A chipset package structure includes a carrier, a plurality of pinouts, at least one semiconductor package preforms, at least one electromagnetic shielding layer and a protective layer. The pinouts are disposed on the carrier. The semiconductor package preforms is disposed on the second surface of the carrier and electrically connected to the pinouts. The electromagnetic shielding layer is disposed on the semiconductor package preforms and the electromagnetic shielding layer. At least one of the electromagnetic shielding layers comprises a carbon nanotube film structure. The protective layer covers the electromagnetic shielding layer.

Abstract: A high-impedance line includes a plurality of windings successively arranged. Each of the windings includes an upper portion and a lower portion parallel to the upper portion. The upper portions of each of the windings are electrically connected to the lower portions of adjacent windings. A resistance unit electrically connected between every two adjacent windings.

Abstract: A probe includes a circuit board, an electric field detecting probe, and a magnetic field detecting probe. The electric field detecting probe and the magnetic field detecting probe are located on the circuit board. An anti-jamming distance between the two detecting probes is a multiple of 5 millimeters and is greater than or equal to 10 millimeters.

Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the space of the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillator disposed therein. The harmonic oscillators includes a supporter and a carbon nanotube structure disposed on a surface of the supporter.

Abstract: A method for measuring hearing aid compatibility (HAC) includes providing a probe and scanning testing points of a testing region obtained by the probe. The probe includes a circuit board, an electric field detecting probe, and a magnetic field detecting probe. The electric field detecting probe and the magnetic field detecting probe are located on the circuit board.

Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the space of the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillator disposed therein. The harmonic oscillators includes a supporter and a carbon nanotube structure disposed on a surface of the supporter.

Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the space of the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillator disposed therein. The harmonic oscillators includes a supporter and a carbon nanotube structure disposed on a surface of the supporter.

Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the space of the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillator disposed therein. The harmonic oscillators includes a supporter and a carbon nanotube structure disposed on a surface of the supporter.

Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillators disposed therein. At least one of the harmonic oscillators comprises a supporter and a carbon nanotube structure disposed on a surface of the supporter.

Abstract: An adaptive sliding-frequency triggering ignition method for electronic ballast of high pressure gas discharge lamp includes the steps of: measuring an accurate value of free oscillation frequency of the ballast load loop by using a single-chip before sliding-frequency triggering ignition, implementing safe and reliable sliding-frequency triggering ignition after calculating the initial frequency and ending frequency of sliding-frequency triggering ignition according to the accurate value. The method can safely and reliably finish sliding-frequency triggering ignition course, thus improving the parameters such as the quality, life of the high pressure gas discharge lamp electronic ballast.

Abstract: A probe includes a circuit board, an electric field detecting probe, and a magnetic field detecting probe. The electric field detecting probe and the magnetic field detecting probe are located on the circuit board. An anti-jamming distance between the two detecting probes is a multiple of 5 millimeters and is greater than or equal to 10 millimeters.

Abstract: A method for measuring hearing aid compatibility (HAC) includes providing a probe and scanning testing points of a testing region obtained by the probe. The probe includes a circuit board, an electric field detecting probe, and a magnetic field detecting probe. The electric field detecting probe and the magnetic field detecting probe are located on the circuit board.

Abstract: A high-impedance line includes a plurality of windings successively arranged. Each of the windings includes an upper portion and a lower portion parallel to the upper portion. The upper portions of each of the windings are electrically connected to the lower portions of adjacent windings. A resistance unit electrically connected between every two adjacent windings.