210results about How to "Detect directly" patented technology

In a distal targeting system a hand-held location pad is integral with a guide section for a drill or similar surgical instrument, and has a plurality of magnetic field generators. A sensor, such as a wireless sensor, having a plurality of field transponders, is disposed in an orthopedic appliance, such as an intramedullary nail. The sensor is capable of detecting and discriminating the strength and direction of the different fields generated by the field generators. Control circuitry, preferably located in the location pad is responsive to a signal of the sensor, and determines the displacement and relative directions of an axis of the guide section, and a bore in the orthopedic appliance. A screen display and optional speaker in the location pad provide an operator-perceptible indication that enables the operator to adjust the position of the guide section so as to align its position and direction with the bore.

Described herein are systems and methods for mounting optical sensors in a physiological monitoring device worn by a user to sense, measure, communicate, and / or display physiological information. The monitoring devices may be embodied as, for example, a fitness band, a bracelet, a watch, or some other wearable device such as an activity tracker, a health, wellness, or sleep monitor, or an athletic training device. The device may comprise one or more light sources and optical detectors. Optical lenses may be mounted in a face of the device for partially receiving or containing the light sources and optical detectors. The devices and methods described herein may optically isolate the light source(s) from the optical detector(s) to ensure the accurate and reliable detection and measurement of physiological information.

In a distal targeting system a hand-held location pad is integral with a guide section for a drill or similar surgical instrument, and has a plurality of magnetic field generators. A sensor, such as a wireless sensor, having a plurality of field transponders, is disposed in an orthopedic appliance, such as an intramedullary nail. The sensor is capable of detecting and discriminating the strength and direction of the different fields generated by the field generators. Control circuitry, preferably located in the location pad is responsive to a signal of the sensor, and determines the displacement and relative directions of an axis of the guide section, and a bore in the orthopedic appliance. A screen display and optional speaker in the location pad provide an operator-perceptible indication that enables the operator to adjust the position of the guide section so as to align its position and direction with the bore.

A method for verifying access authorization for voice telephony in a fixed network line or mobile telephone line, as well as a communications network having such access authorization verification are described. The access authorization is verified by analysis of a voice signal which was entered by the subscriber placing the call, before or during a call in progress. In one variant, the voice signal is entered as a password before the connection is established; in another variant, voice signals are analyzed for voice recognition and subscriber identification, the same voice signals also being transmitted to the person being called, making concealed access verification possible which does not hamper the normal flow of conversation.

The invention generally relates to a new gene probe biosensor employing near field surface enhanced Raman scattering (NFSERS) for direct spectroscopic detection of hybridized molecules (such as hybridized DNA) without the need for labels, and the invention also relates to methods for using the biosensor.

Described herein are systems and methods for optically isolating components of an optical sensor in physiological monitoring devices worn by a user to sense, measure, and / or display physiological information. An optical sensor may be mounted in the rear face of the device, emit light proximate a targeted area of a user's body, and detect light reflected from the targeted area. Optically isolating structure may be located at least partially between one or more components of the optical sensor to ensure that light detected by the sensor is light reflected from the targeted area rather than light emitted directly from a light source and / or ambient light. The optically isolating structure may, in some cases, extend between a contact surface of the monitoring device to a base portion of the sensor components or a surface of a circuit board to which the sensor components are mounted.

A method for determining the position and orientation of the axis of a dental implant disposed directly in the mouth of a patient wherein measurement data is obtained by measurement of the clinical situation of the implant in the patient's mouth, a first shape to be measured is applied to the implant, the shape is formed in such a manner that a conclusion can be made about the position and orientation of a connection shape of the implant, and the position and orientation of the first shape is analyzed through a suitable method. Furthermore, the relative position and orientation of the area between the axis of the dental implant and the axis of the measurement is defined through the specific position of the first shape. The position and orientation of the connection shape and of the implant itself is determined through the first shape. A mounting piece for an implant inserted in a jaw or a manipulation implant in a working model can be used thereby having a coded section and an extension whose length is coded in the section.

A new family of multifunctional smart coatings based on of stabilized diamond-like metal-carbon atomic scale composites and diamond-like atomic-scale composite (DL ASC) materials. Based on a unique combination of the coating fine structure, properties of the coating / substrate interface, and the mechanical and electrical properties of the coating, the disclosed smart coatings would integrate various high resolution sensors and interconnections, and the sensor would diagnose dangerous stress distribution in the coated subject with no distortion in real time, while these diamond-like coatings would simultaneously provide environmental protection of the coated surface and improve its aerodynamic quality.

The present invention relates to screening methods, compositions, and kits for detecting for the presence or absence of one or more target analytes, e.g. biomolecules, in a sample. In particular, the present invention relates to methods that utilize nanoparticle probes in an in-solution homogeneous assay system for high-sensitivity detection of target proteins or nucleic acids based on flow analysis of single particles.

The present invention provides compositions comprising colorimetric assay liposomes. The present invention also provides methods for producing colorimetric liposomes and calorimetric liposome assay systems. In preferred embodiments, these calorimetric liposome systems provide high levels of sensitivity through the use of dopant molecules. As these dopants allow the controlled destabilization of the liposome structure, upon exposure of the doped liposomes to analyte(s) of interest, the indicator color change is facilitated and more easily recognized.

An optical hair removing device includes a light emitting unit for emitting a light and an irradiation unit for irradiating the light emitted from the light emitting unit to body hairs on a skin. Further, the optical hair removing device includes a control unit for controlling the light emission unit. The irradiation unit has a movement detection unit for detecting a movement of the irradiation unit on a skin and a contact detection unit for detecting a contact between the irradiation unit and the skin.

Enhanced directional prediction apparatus and methods are taught which are based on edge-based adaptive directional estimation, for providing an improved prediction direction for intra prediction within a coding device. Image gradient vectors are obtained for pixels in the neighborhood of the current block, and edge directions determined. Candidate edge directions are processed to derive a dominant edge direction in response to defining an objective function as a summation of projections to a candidate direction and computing suggested direction of each neighboring pixel. The dominant edge direction may be utilized for the prediction direction, such as in response to a detection mode flag signaled to the decoder, or modified by an angular adjustment, which can be communicated to a decoder.

To provide a sensor mounting structure which enables mounting an automotive sensor directly to the wall section of a part to be detected, without using screws, and also mounting a pressure detector directly to a pressure air passage without using a pressure inlet pipe.The non-circular sensor mounting hole is provided for inserting a part of the sensor housing into the wall section of the part to be detected. In the sensor housing the first locking portion (pawl) and the second locking portion (flange) are integrally formed by molding. The housing 1 is allowed to be inserted into the mounting hole under the condition that the pawl is directed to a specific orientation, and, after insertion, is turned through a specific angle. Therefore the pawl is engaged on the inside surface of the wall section. The flange is engaged on the outside surface of the wall section. The pawl and the flange are designed to hold the wall section of the part to be detected, thereby mounting the sensor. The projection of the hook is engaged with the recess provided in the sensor housing 1, thus locking the sensor from turning.

An implantable seizure monitor can include at least one sensing electrode and an electronics module configured to detect, record and / or log neurological events. For example, the electronics module can be configured to detect brainwaves indicative of seizures, such as, for example, epileptic seizures, and to create a log indicating when such seizures occur. The implantable seizure monitor can include a cushioning member made of a soft material and configured to be implantable between the epidermis and cranium of a patient.

A detector supporting mechanism comprising a first arm having its one end fixed on a mount linearly movable relative to a workpiece, the first arm having a rotation axis at the other end and a second arm provided on the first arm so as to be turnable on the rotation axis relative to the first arm, a detector being mounted on a tip of the second arm, wherein the rotation axis is provided on a plane inclined at an angle of 45° from the movement axis of the mount while being inclined at an angle of 45° from the movement axis of the mount in a projection on a plane which is inclined at an angle of 45° from the plane inclined at an angle of 45° from the movement axis of the mount, and which contains the movement axis of the mount, and wherein an axis of the detector mounted on the second arm intersects the rotation axis.

Reagents and methods are disclosed for detection of oxidizers and inorganic salts and other analytes of interest. The reagents can interact with their target analytes, especially oxidizer compositions or oxidizer-based explosives, to selectively enhance their ionization yield, interacting by chemical reaction or by forming an associative adduct which facilitates their detection. For example, the reagents can adduct with the counter-ion of the intended analyte for improved direct detection and / or react chemically via acid-base reactions to produce a new product for detection. In another aspect of the invention, reactive reagents and methods are also disclosed that facilitate indirect detection of the analyte at lower temperatures based on reduction-oxidation (redox) chemistry. These reagents are particularly useful in detecting oxidizer analytes.

A photosterilization reactor for sterilization of a liquid or a gas using ultraviolet light is disclosed that overcomes many of the shortcomings of current ultraviolet sterilization systems and improves the efficiencies of the sterilization process. The photosterilization reactor has an optically coupled flow path for maximizing the cross-sectional interaction between the ultraviolet radiation and the liquid or gas in the flow path, a reactor vessel for the efficient entrapment, reflection and use of the generated and unabsorbed ultraviolet radiation, and operational improvements to the ultraviolet light source, thermal and mechanical shielding of the ultraviolet light source, and electrical safety improvements. The photosterilization reactor may further contain a novel fluoroscopic pathogen detector that provides for real time monitoring of pathogens in the liquid or gas flow path internal to the reactor.

A new family of multifunctional smart coatings based on of stabilized diamond-like metal carbon atomic scale composites and diamond-like atomic-scale composite (DL ASC) materials. Based on a unique combination of the coating fine structure, properties of the coating / substrate interface, and the mechanical and electrical properties of the coating, the disclosed smart coatings would integrate various high resolution sensors and interconnections, and the sensor would diagnose dangerous stress distribution in the coated subject with no distortion in real time, while these diamond-like coatings would simultaneously provide environmental protection of the coated surface and improve its aerodynamic quality.

A chip for analyzing a medium includes an organic light emitter for emitting a light signal, a photodetector including a detector area, a layer sequence separating the organic light emitter and the detector area, and a reservoir into which the medium may be introduced. The organic light emitter and the photodetector are optically couplable by means of a path of rays of the light signal, and the reservoir is arranged within the path of rays of the light signal.

The invention relates to an RNA-dependent RNA-polymerase, to methods and kits for marking and / or amplifying in a primary dependent or independent manner a ribonucleic acid (RNA), in particular a viral, eucaryontic, procaryontic and double-stranded ribonucleic acid (RNA) for the biological and medical use thereof. Said RNA-dependent RNA-polymerase comprises a right-hand conformation and the amino acid sequence the following sequence sections: a. XXDYS b. GXPSG c. YGDD d. XXYGL e. XXXXFLXRXX having the following significances: D: aspartate, Y: tyrosine, S: serine, G: glycine, P: proline, L: leucine, F: phenylalanine, R: arginine, X: any amino acid. The inventive amplifying method is particularly suitable for microarray engineering, siRNA production and for diagnosticating viral infections by detecting viral RNA in patient samples. The inventive marking method is particularly suitable for purifying RNA by means of affinity bonds and for marking RNA used in molecular biology methods for characterising the function and / or structure of a viral, eucaryontic, procaryontic and double-stranded ribonucleic acid (RNA).

A failsafe hydraulic circuit designed to avoid simultaneous engagement of two friction engagement elements (e.g., clutches, brakes, etc.) incorporated in a speed change apparatus of a motor vehicle or the like. If a first failsafe valve is in the open position state and a first engaging pressure is supplied to a first hydraulic servo via the first failsafe valve, the first engaging pressure is also input to a first oil pressure switch via a second failsafe valve being in the closed position state. Therefore, using the first oil pressure switch, it can be detected that the first engaging pressure is supplied to the first hydraulic servo. Furthermore, if the first engaging pressure is, for example, greater than the set pressure of the first oil pressure switch, this situation can also be detected. Such detections provide confirmation of normal operation of the first failsafe valve and the second failsafe valve.

The invention relates to a method and system for detecting field angle of a virtual reality display device. The method comprises the following steps: 1) selecting a panoramic image, format and optical parameters of which are matched with those of a detected virtual reality display device according to the detected virtual reality display device; 2) loading a test pattern to the panoramic image to generate a panoramic image having scale marks, and importing the panoramic image having the scale marks to the detected virtual reality display device; and 3) obtaining a horizontal field angle by observing the scale marks at the left and right boundaries of the panoramic image of the detected virtual reality display device, and / or obtaining a vertical field angle by observing the scale marks at the upper and lower boundaries of the panoramic image of the detected virtual reality display device. The method is suitable for all virtual reality display devices, is accurate in reading, and has the advantages convenient, direct, fast and efficient detection of the field angle of the detected virtual reality display device.

This invention discloses a method for testing errors of a single board including: 1, setting a heartbeat signal register on the board and operating on it on line, 2, writing specific heartbeat values alternatively in the register in a period of time, 3, FPGA fetches the heartbeat values and outputs the heartbeat signals to a test bus, 4, judging if the software works normally, if so, the work is continued, otherwise, it writes in abnormal heartbeat value or stops writing the value in the register to execute step 7, 5, carrying out writing and reading operation to the register in a main service chip and comparing if the values are consistent to judge if said chip works normally, 6, if so, the work is continued, otherwise, it writes the abnormal value or stops writing the value in the register, 7, judging if the signal is all right, if so, it returns to step 2, otherwise, the error of the single board is output.

A single-chip Z-axis linear magnetoresistive sensor is provided. The sensor comprises a substrate, magnetoresistive sensing elements, and flux guides, wherein the magnetoresistive sensing elements are mutually electrically connected to form push arms and pull arms of a bridge; the push arms and the pull arms are alternately arranged, and the magnetoresistive sensing elements on the push arms and the pull arms are respectively located at two sides beneath the flux guides; the magnetization direction of a pinning layer of each magnetoresistive sensing element is the same and is in an X-axis direction. An external magnetic field in a Z-axis direction is converted into a magnetic field with components in an X-axis direction by the flux guides, and thus the magnetoresistive sensing elements beneath the flux guides can detect this component. The sensor has the advantages of the small size, simple manufacturing, simple packaging, high sensitivity, good linearity, wide operating range, low offset, good temperature compensation, and capability to measure high magnetic fields, etc.

The present invention relates to method and system for controlling coagulant filling rate by on-line measuring flocculate settling speed. The method includes the steps of: 1. acquiring flocculate moving image in the speed of 2 frames each second and calculating the position of flocculate; 2. calculating the flocculate settling speed based on the flocculate position change; and 3. comparing the detected flocculate settling speed with target value to determine the coagulant filling rate. The system of the present invention has flocculate image acquiring sensor with improved sensing head for fitting the measurement of flocculate settling speed. The present invention measures single parameter for the control of filling rate and the detection method is direct and effective.

A failsafe hydraulic circuit designed to avoid simultaneous engagement of two friction engagement elements (e.g., clutches, brakes, etc.) incorporated in a speed change apparatus of a motor vehicle or the like. If a first failsafe valve is in the open position state and a first engaging pressure is supplied to a first hydraulic servo via the first failsafe valve, the first engaging pressure is also input to a first oil pressure switch via a second failsafe valve being in the closed position state. Therefore, using the first oil pressure switch, it can be detected that the first engaging pressure is supplied to the first hydraulic servo. Furthermore, if the first engaging pressure is, for example, greater than the set pressure of the first oil pressure switch, this situation can also be detected. Such detections provide confirmation of normal operation of the first failsafe valve and the second failsafe valve.

An implantable seizure monitor can include at least one sensing electrode and an electronics module configured to detect, record and / or log neurological events. For example, the electronics module can be configured to detect brainwaves indicative of seizures, such as, for example, epileptic seizures, and to create a log indicating when such seizures occur. The implantable seizure monitor can include a cushioning member made of a soft material and configured to be implantable between the epidermis and cranium of a patient.

The present invention relates to a method of revealing a biological process using a FRET measurement, which comprises the following steps:incorporating, into a measurement medium containing a lipid membrane, a biological entity X coupled with a first member of a pair of FRET partners and a second biological entity Y coupled with the second member of the pair of FRET partners, the energy-donating member of the pair of FRET partners having a long lifetime and the members of said pair of FRET partners being located on either side of the lipid membrane;exciting the measurement medium at the excitation wavelength of the energy-donating member; andmeasuring the FRET signal or the variations in said signal emitted in said culture medium.

The invention relates to an automatic on-line detecting device for welding lines of a mast of a wind driven generator. The mast is a constituent part of a wind driven generating equipment system, is the main bearing component of a wind generating set, and is used for bearing the action force of cabin gravity, wind wheels and natural wind, and bearing the vibration load caused by the wind wheel rotation. The automatic on-line detecting device comprises a bottom rack (1). Both sides of the bottom rack are provided with crawler type wall climbers (2), and the bottom rack is provided with an electric control box (3). The electric control box is connected with an industrial camera (4), a motor (5) and a flaw detector (8), and is controlled by a remote controller (6). The flaw detector is connected with a probe module (7) through a conducting wire. The probe module and the flaw detector form a phased-array ultrasonic non-destructive system. The invention is used for the automatic on-line detection of the welding lines of the mast of the wind driven generator.