67results about How to "Detection signal" patented technology

Systems and methods for detecting a respiration signal in a target area are disclosed. Briefly described, in architecture, one embodiment of the system, among others, can be implemented as follows. The system includes a scanning antenna configured to transmit a microwave signal across a horizontal axis in the target area. Also, the system includes a control system that tracks the position of the scanning antenna along the horizontal axis. A signal processing system then detects a respiration signal of a living subject in the target area from reflected microwave signals from the target area and the positional data. Other systems and methods are also provided.

FRET-labeled compounds are provided for use in analytical reactions. In certain embodiments, FRET-labeled nucleotide analogs are used in place of naturally occurring nucleoside triphosphates or other analogs in analytical reactions comprising nucleic acids, for example, template-directed nucleic acid synthesis, DNA sequencing, RNA sequencing, single-base identification, hybridization, binding assays, and other analytical reactions.

A magnetic sensor reduces thermal fluctuation and realizes high-sensitive signal detection using a spin Hall device of a simple structure configured with only one magnetic layer. The magnetic sensor includes a stacked film in which a nonmagnetic spin Hall layer, a nonmagnetic insulator layer, and a magnetic layer are stacked, an electrode nonmagnetic terminal pair connected to a side surface of the nonmagnetic spin Hall layer, and a unit applying a current in a film thickness direction of the stacked film. A thickness of the nonmagnetic spin Hall layer is thinner than twice a spin diffusion length of a material constituting the nonmagnetic spin Hall layer. A magnetization direction of the magnetic layer magnetized by an external magnetic field is detected due to the polarity of a voltage across both ends of the electrode nonmagnetic terminal pair.

The present invention is related to the identification of cancer stem cells using the MMTV-Wnt-1 transgenic mouse model. These cancer stem cells have a gene expression signature that allows them to be distinguished from their non-tumorigenic counterparts. Moreover, the gene expression pattern can also predict survival in a diverse group of solid tumors.

A magnetic sensor includes a plurality of assemblies combined. Each assembly includes a plurality of tunnel magnetoresistive elements, a capacitor and a fixed resistor. The tunnel magnetoresistive elements are (i) disposed in such a way that fixed magnetization directions of fixed magnetic layers are substantially identical and changeable magnetization directions of free magnetic layers with no magnetic field applied are substantially identical and (ii) connected to each other in series-parallel. The capacitor is connected in parallel to the tunnel magnetoresistive elements. The fixed resistor is connected in series to the tunnel magnetoresistive elements and to the capacitor. The assemblies are (i) disposed in such a way that the fixed magnetization directions of the fixed magnetic layers of the assemblies have a relative angle of more than 90 degrees and (ii) connected to each other in series and / or in parallel.

A magnetic sensor reduces thermal fluctuation and realizes high-sensitive signal detection using a spin Hall device of a simple structure configured with only one magnetic layer. The magnetic sensor includes a stacked film in which a nonmagnetic spin Hall layer, a nonmagnetic insulator layer, and a magnetic layer are stacked, an electrode nonmagnetic terminal pair connected to a side surface of the nonmagnetic spin Hall layer, and a unit applying a current in a film thickness direction of the stacked film. A thickness of the nonmagnetic spin Hall layer is thinner than twice a spin diffusion length of a material constituting the nonmagnetic spin Hall layer. A magnetization direction of the magnetic layer magnetized by an external magnetic field is detected due to the polarity of a voltage across both ends of the electrode nonmagnetic terminal pair.

An apparatus and method for non-determination of the surface velocity of a target using optical interference and Doppler shifting of the light reflected from the target are disclosed. It may be used to measure small-amplitude, acoustic frequency surface vibrations as well as non-periodic surface vibration.

An apparatus and method for non-determination of the surface velocity of a target using optical interference and Doppler shifting of the light reflected from the target are disclosed. It may be used to measure small-amplitude, acoustic frequency surface vibrations as well as non-periodic surface vibration.

Computer controlled methods, systems and apparatus for detecting an infectious agent in a host cell, an animal cell, or plant cell, a body fluid or tissue sample to provide information useful to diagnose a disease or prognosticate disease susceptibility, extent or outcome are provided. In one illustrative embodiment, the infected animal cell is a Chlamydia infected mononuclear phagocyte in a blood sample. In another illustrative embodiment, the infected body fluid is a blood sample infected with “fee floating”Chlamydia. Detection and preferably, quantification of such an infected mononuclear phagocyte(s) or blood sample provides information useful in diagnosing or prognosticating susceptibility, extent or outcome of patients suspected of suffering from vascular, coronary or central nervous disease(s) or disorder(s).

The invention provides a method and apparatus for monitoring processes in living cells by measuring optical reflectivity by Surface Plasmon Resonance at the surface and / or inside living cells attached to a thin metal film (28), wherein said thin metal film is attached or optically coupled to a base of a prism (27) such that a collimated and optically polarized light beam (6c) in the near-infrared and / or mid-infrared wavelength ranges directed to a side surface of the prism is internally reflected by said prism at its base (27b) and measured by detector means (33) capable of measuring the intensity and optionally also polarization or phase of the reflected beam (6r).

In an optical deflector including a mirror, a movable frame supporting the mirror, a first piezoelectric actuator for rocking the mirror with respect to a first axis of the mirror, a support body supporting the movable frame, and a second piezoelectric actuator for rocking the mirror through the movable frame with respect to a second axis of the mirror, at least one piezoelectric sensor is provided for sensing rocking vibrations of the mirror caused by the first and second piezoelectric actuators. The second piezoelectric actuator includes a pair of meander-type pieoelectric actuators opposite to each other with respect to the first axis. Each of the second meander-type piezoelectric actuators includes a plurality of piezoelectric cantilevers folded at every cantilever and connected from the support body to the movable frame in parallel with the first axis. The piezoelectric sensor is incorporated into an outermost one of the piezoelectric cantilevers.

A sensor controller is provided, to be connected to a sensor electrode group configuring a surface. The sensor controller supplies a determined AC signal to one or more AC signal transmission electrodes that form part of a plurality of sensor electrodes included in the sensor electrode group, and the sensor controller transmits, from cancellation signal transmission electrode(s) different from the AC signal transmission electrodes, a cancellation signal configured to prevent a signal transmitted from the AC signal transmission electrodes from appearing in a ground terminal of a detection circuit of the stylus. The sensor controller thusly configured may facilitate preventing a situation in which the stylus cannot detect an uplink signal and facilitate preventing the uplink signal from affecting the operation of another apparatus such as a display apparatus.

An automatic gain control (AGC) circuit including: a forward transmission path (214) having applied at its input an input RF signal and to provide at its output an output signal; a variable gain AGC amplifier (210) in the forward transmission path for processing the input RF signal, which amplifier has a control input 240 and is responsive to a control signal applied at its control input to vary its gain; a feedback loop (220 to 240), coupled from the output of the forward transmission path and to the control input of the AGC amplifier; an integrator (230, 232), coupled to the control input of the amplifier; a voltage source (234), coupled to the integrator and to the control input of the amplifier; and a further variable gain device (215) for varying the gain or attenuation of a signal applied to the control input of the AGC amplifier.

A method and an apparatus for displaying a part of a brain of a patient is provided. Laser Doppler images are acquired before and after a stimulation. The laser Doppler images comprise information about a blood motion or about a perfusion at the acquired part. Then, the blood motion images acquired before and after the stimulation are compared to identify areas in the brain of the patient which are related to the stimulation. The identified areas are displayed in dependence of topography data representing a topography of the brain.

An automatic gain control (AGC) circuit including: a forward transmission path (214) having applied at its input an input RF signal and to provide at its output an output signal; a variable gain AGC amplifier (210) in the forward transmission path for processing the input RF signal, which amplifier has a control input 240 and is responsive to a control signal applied at its control input to vary its gain; a feedback loop (220 to 240), coupled from the output of the forward transmission path and to the control input of the AGC amplifier; an integrator (230, 232), coupled to the control input of the amplifier; a voltage source (234), coupled to the integrator and to the control input of the amplifiers; and a further variable gain device (215) for varying the gain or attenuation of a signal applied to the control input of the AGC amplifier.

A communication system (1) in which a user (A) can elect to leave a message directly in the mailbox (11a) of another user (B) without calling or disturbing user (B). A store (database 7) is generated and maintained which identifies those users who are allowed direct access to the mailbox of user (B). The store is automatically updated whenever user (B) sends a communication to other users.

A method of operating installations (10), in particular wind energy installations (10), having a component (22) which endangers flying animals, in which the component assumes a first state which endangers animals to a greater extent and a second state which endangers animals to a lesser extent. The physical environment around the installation (10), in particular the environment around the component (22), is monitored at least in regions by a suitable detection device. The detection device produces a signal when an animal of a specific type, in particular a bat, a bird or the like, enters the monitored region, and in which case the component of the installation is moved from the state which endangers animals to a greater extent to the state which endangers animals to a lesser extent depending on the signal.

Processes and methods for the simultaneous quantification of nucleic acids in diseased cells that are based on real-time PCR are provided. The real-time PCR protocol is an excellent tool for reliable quantification of in vitro drug screening and evaluation protocols to determine the efficacy of potential anti-viral agents. Quantification using these simultaneous PCR cycle threshold (Ct) detection techniques during one-step real-time RT-PCR (Applied Biosystems, CA) eliminates the variability resulting from quantification of end-point RT-PCR products. In addition, the mitochondrial toxicity assay is an added tool to assess potential side-effects for these chemotherapeutic agents.

A touch panel that includes a housing defining an opening and a piezoelectric film covering the opening. The opening has a shape whose lengths in an X direction and a Y direction are different. The piezoelectric film is stretched in a uniaxial direction, and is aligned such that the uniaxial direction forms an angle of 45 degrees with respect to the X direction and the Y direction.

A magnetic sensor includes a plurality of assemblies combined. Each assembly includes a plurality of tunnel magnetoresistive elements, a capacitor and a fixed resistor. The tunnel magnetoresistive dements are (i) disposed in such a way that fixed magnetization directions of fixed magnetic layers are substantially identical and changeable magnetization directions of free magnetic layers with no magnetic field applied are substantially identical and (ii) connected to each other in series-parallel. The capacitor is connected in parallel to the tunnel magnetoresistive elements. The fixed resistor is connected in series to the tunnel magnetoresistive elements and to the capacitor. The assemblies are (i) disposed in such a way that the fixed magnetization directions of the fixed magnetic layers of the assemblies have a relative angle of more than 90 degrees and (ii) connected to each other in series and / or in parallel.

A process for assessing mitochondrial toxicity of a compound that includes contacting nucleic acids from a host with an amplification reaction mixture that contains at least two primers that provide detectable signals, wherein: a first primer provides a first detectable signal upon amplification of a host mitochondrial nucleic acid; a second primer provides a second detectable signal upon amplification of a host nuclear nucleic acid; and comparing the first and second detectable signals.

An arc fault circuit interrupter includes: an insulating casing, electrical input terminals and electrical output terminals, first and second electrical path connected between the electrical input terminals and electrical output terminals, and a movement mechanism. The movement mechanism includes: first and second moving contact arms, electrically coupled to the first and second electrical paths, respectively; a control circuit board; an arc detection mechanism, electrically coupled to the control circuit board, for detecting an arc signal and causing the control circuit board to generate a trip signal; a tripping mechanism, electrically coupled to the control circuit board, for receiving the trip signal to disconnect the electrical coupling between the first moving contact arm and the first electrical path and / or the electrical coupling between the second moving contact arm and the second electrical path. The device can immediately cut off the power when detecting an arc signal to prevent fire hazard.

The present invention relates to the field of digital pathology and in particular to whole slide scanners. Autofocus imaging can be performed by sampling a first number of pixels of a primary image sensor and sampling a second number of pixels of an autofocus image sensor, wherein the second number is between one quarter and three quarters of the first number. Thus, continuous autofocus for rapid light scanning may be provided based on an additional image sensor that is tilted with respect to the optical axis.

A sensor controller is provided, to be connected to a sensor electrode group configuring a surface. The sensor controller supplies a determined AC signal to one or more AC signal transmission electrodes that form part of a plurality of sensor electrodes included in the sensor electrode group, and the sensor controller transmits, from cancellation signal transmission electrode(s) different from the AC signal transmission electrodes, a cancellation signal configured to prevent a signal transmitted from the AC signal transmission electrodes from appearing in a ground terminal of a detection circuit of the stylus. The sensor controller thusly configured may facilitate preventing a situation in which the stylus cannot detect an uplink signal and facilitate preventing the uplink signal from affecting the operation of another apparatus such as a display apparatus.

A record carrier (1) has a servo track (4) indicating an information track (9) intended for recording information blocks represented by marks, this servo track (4) having a periodic variation of a physical parameter. Due to cross-talk, there exists a variation in the wobble signal called wobble beat. The track pitch t and the wobble period p, p being the length of a wobble period, are chosen in such a way that 2πt / p≈n+½ where n is integer. The choice results in a reduced wobble beat. A recording and / or playback device has apparatus for recording / reading the information blocks and for generating a wobble signal.

The invention is about a permanent total artificial heart device that is developed for the patients who are at the end-stage heart failure and included in the heart transplantation program, and which is placed into the ventricles of the patient's heart completely or placed surgically into the space obtained when a piece of ventricle is removed. The device employs “direct drive technology,” technically using the advantages of brushless electric motors. Special-designed engines require quite little energy for the pulsatile blood flow produced by stopping and starting synchronously with the ECG signals. It is about a permanent total artificial heart device system that will offer high quality of life for many years to the patients as it protects the heart valves and heart conduction system, has wireless charging and longer battery life.

In an optical deflector including a mirror, a movable frame supporting the mirror, a first piezoelectric actuator for rocking the mirror with respect to a first axis of the mirror, a support body supporting the movable frame, and a second piezoelectric actuator for rocking the mirror through the movable frame with respect to a second axis of the mirror, at least one piezoelectric sensor is provided for sensing rocking vibrations of the mirror caused by the first and second piezoelectric actuators. The second piezoelectric actuator includes a pair of meander-type piezoelectric actuators opposite to each other with respect to the first axis. Each of the second meander-type piezoelectric actuators includes a plurality of piezoelectric cantilevers folded at every cantilever and connected from the support body to the movable frame in parallel with the first axis. The piezoelectric sensor is incorporated into an outermost one of the piezoelectric cantilevers.

The present invention provides a single component implementing highly precise pulse detection for rotational or liner position detecting apparatuses for jog dials and mechanical products. Focusing on the fact that the phase difference between the magnetic fields in circumferential and radial directions generated by a magnetized ring is precisely 90 degrees, a position detecting apparatus of the present invention includes two Hall elements placed at a distance; a protective film provided on magnetic sensitive portions of the two Hall elements to cover the magnetic sensitive portions; a thin-film magnetic plate placed on the protective film to cover the magnetic sensitive portions of the two Hall elements; and further a processing circuit calculating the sum and difference of the signals from the two Hall elements to generate signals having an accurate phase difference of 90 degrees. The position detecting apparatus can therefore detect the rotation direction and precise rotation angle.