605results about How to "Accurate signal" patented technology

A solid state microchannel plate is disclosed comprising a multiplicity of photodetector elements, each using limited gain from a small Geiger mode avalanche and summing the contributions thereof. An array of such multiplicities operates as a pixelated linear or area photodetector. In the preferred embodiment, a multiplicity of passively quenched photodetector elements connect to a common anode, and each photodetector element is passively quenched by its own current-limiting resistor in series with its cathode.

The present invention relates to sensitive, rapid and convenient assays for detection and/or quantification of one or several analyte(s) in solution using so called proximity probes. The proximity probes comprise a binding moiety and a nucleic acid. The nucleic acid from one proximity probe is only capable of interaction with the nucleic acid from the other proximity probe when these are in close proximity, i.e. have bound to the analytes for which they are specific. The present invention relates to methods and kits for proximity probing and are performed in solution without the need of a solid phase.

The present invention relates to the field of smart cars and automatic signaling of a vehicle's intent. The invention allows a driver to choose between manual or automatic signaling (turns, deceleration, acceleration) and a prominent feature is that the system is not cooperative and can be phased in over time, one car at a time and offer immediate benefits. Much of the prior art relating to newer automotive technologies relies on the use of cooperative technologies, such as transponders or beacons and the like, requiring all cars to equip in order to gain benefits. While this is technically achievable it is an institutional limitation, and therefore systems that do not rely on this extent of cooperation are more practical and can be introduced sooner. The invention has the capability of ensuring that many more cars on the road provide proper turn signals as well as acceleration and deceleration signals. This display of intent will lead to increased situational awareness for all drivers and will improve efficiencies on the roads leading to less congestion. Today, the car ahead may simply slow down leaving a following or approaching driver to wait and guess what is happening. With this invention the car ahead will declare its intentions in advance. The invention also allows for the broadcasting of the vehicles intentions over commercially available data links.

The output of optical computing devices containing an integrated computational element can be corrected when an interferent substance or condition is present. The devices may comprise an optional electromagnetic radiation source; a sample detection unit comprising an integrated computational element and a detector configured to receive electromagnetic radiation that has optically interacted with the integrated computational element and produce a sample signal associated therewith; an interferent monitor located proximal to the sample detection unit, the interferent monitor being configured to produce an interferent signal associated with an interferent substance; and a signal processing unit operable to convert the interferent signal into an interferent input form suitable for being computationally combined with the sample signal, the signal processing unit being further operable to computationally combine the sample signal and the interferent input form to determine a characteristic of a sample in real-time or near real-time.

A communication system is provided which allows video and audio/video transmissions over unloaded, twisted pairs of telephone wires. The system provides for automatic compensation of attenuation of a broadband video signal by measuring the attenuation of the low frequency components of the signal to determine the length of the unloaded, twisted pair through which the signal has been transmitted. This calculation is performed by comparing the attunated signal with the known signal level of transmission. Based upon the calculated length, the signal is amplified nonlinearly, since a greater loss occurs in the high frequency portions of a broadband signal than in the low frequency portions in transmission over twisted pairs of telephone wires. The signal is thereupon reconstructed. Also, the system allows transmission of a broadband frequency spectrum much wider than has heretofore been obtained. A broadband signal of at least 10.7 MHz can be transmitted over the system. The system also provides for left and right audio inputs and outputs, as well as auxiliary inputs and outputs. The transmission system can be utilized so that persons with a video camera and a personal computer can communicate with each other, transmitting full-motion, color video over unloaded, twisted pairs of telephone wires.

A novel RF switch for switching radio frequency (RF) signals is disclosed. The RF switch may comprise both enhancement and depletion mode field-effect transistors (E-FETs and D-FETs) implemented as a monolithic integrated circuit (IC) on a silicon-on-insulator (SOI) substrate. The disclosed RF switch, with a novel bleeder circuit, may be used in RF applications wherein a selected switch state and performance are required when the switch and bleeder circuits are not provided with operating power (i.e., when the switch and bleeder circuits are “unpowered”).

The invention intends to be able to adequately perform a gain correction. Hence, at the time of radiographing an object, a gain correction of the object image is performed based on a gain correction image (XRc1) derived by performing a light reset. On the other hand, at the time of radiographing an object, when a light reset is not performed, a gain correction of the object image is performed based on a gain correction image (XRc2) derived without performing the light reset.

A tire inflation pressure sensing apparatus according to the present invention includes a transmitter and a receiver. The transmitter is provided on a wheel of a vehicle and includes a pressure sensor working to sense an inflation pressure of a tire on the wheel and an acceleration sensor working to generate a signal as a function of a component of gravitational acceleration in the sensing direction thereof. The transmitter is configured to determine a position thereof depending on the signal generated by the acceleration sensor and transmit the signal representative of the inflation pressure of the tire toward the receiver when a transmitting request is issued and the determined position thereof falls in a predetermined range. The receiver is provided on the body of the vehicle and is configured to receive the signal transmitted from the transmitter and determine the inflation pressure of the tire depending on the received signal.

A method and apparatus for calibrating a reference oscillator and use of a calibrated reference oscillator is disclosed. To gain cost reduction advantages, a less accurate reference oscillator is utilized in a wireless communication device. The cost benefit is gained at the expense of reference oscillator accuracy in that its inability to generate a signal with a highly accurate reference frequency inhibits acquisition of a carrier or pilot signal. To compensate, a correction factor is generated by minimizing the difference between the reference oscillator signal and a signal of known frequency, such as an external reference signal. Access to the reference oscillator signal, or a signal related thereto, may be gained via the communication device antenna or a test port. The correction factor may be stored in the wireless communication device for use in conjunction with the reference oscillator to thereby generate the highly accurate reference signal at the reference frequency.

The present invention discloses a computer implemented signal analysis method through the Hilbert-Huang Transformation (HHT) for analyzing acoustical signals, which are assumed to be nonlinear and nonstationary. The Empirical Decomposition Method (EMD) and the Hilbert Spectral Analysis (HSA) are used to obtain the HHT. Essentially, the acoustical signal will be decomposed into the Intrinsic Mode Function Components (IMFs). Once the invention decomposes the acoustic signal into its constituting components, all operations such as analyzing, identifying, and removing unwanted signals can be performed on these components. Upon transforming the IMFs into Hilbert spectrum, the acoustical signal may be compared with other acoustical signals.

An integrated sensing system for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The sensors include a sensor cluster, a steering angle sensor, wheel speed sensors, any other sensors required by subsystem controls. The outputs from the sensing system are used to drive various vehicle control systems and to warn the drivers for certain abnormal operating conditions. The vehicle controls coupled with the integrated sensing system controller achieve control objectives including: fuel economy, chassis controls, traction controls, active safety, active ride comfort, active handling, and passive safety.

A method for operation of a vibratory measurement instrument comprises flowing a fluid through at least one measurement tube; causing the measuring tube to oscillate mechanically using an oscillation production unit; detecting an oscillation behavior of the tube using at least one oscillation sensor; determining at least one of a mass flow, a viscosity, and a density in a narrowband frequency range based on the oscillation behavior; evaluating at least one of the mass flow, the viscosity, and the density using signal processing of an electronics unit; and evaluating the oscillation behavior at least at times in a broadband frequency range using the electronics unit.

Systems, devices and methods of generating both a precision electrical timing signal as well as a precision optical timing signal. A novel, modified opto-electronic loop oscillator is used to drive a harmonic mode-locked laser. A novel opto-electronic loop has a larger “Q” factor by increasing the electrical loop oscillating frequency ω₀ by using a beat note created by the selection of two optical longitudinal modes from the mode-locked laser. The beat note is detected and divided down to drive a modulator that mode-locks the laser. The frequency division stage also reduces the noise.

A disk device and a disk medium are disclosed in which a plurality of servo cylinders on the surface of at least one disk are divided into several areas, and a different servo signal frequency is set and recorded for each of the areas. The servo cylinders are divided into predetermined areas, and a different servo signal frequency for each of the areas is set so that the recording density of the servo signal recorded in the disk can be set so as to allow the servo signal demodulation characteristic to be included in a relatively superior range. In the disk device, the boundary between the area of a first servo signal frequency and the area of a second servo signal frequency adjoining the first servo signal frequency area is preferably formed with an area in which a servo signal pattern written with the first servo signal frequency and a servo signal pattern written with the second servo signal frequency are arranged on the same servo cylinders.

A magnetic field sensor uses an angle sensor to measure and angle of rotation of a target object to which a magnet is attached. The angle sensor in combination with electronics can generate an angle sensor output signal related to a direction of a magnetic field of the magnet. The angle sensor output signal can be compared to thresholds to generate a magnetic field sensor output signal the same as a known true power on state (TPOS) sensor output signal. A corresponding method is also described.

A solid-state imaging device includes: a normal pixel disposed in a pixel section capable of performing a global shutter, and including at least a photoelectric conversion part and a memory part adjacent to the photoelectric conversion part; and a leak-light correcting pixel disposed in the pixel section to correct degradation of an image quality originated from leak light leaked into the memory part.

In order to suppress at least one interference signal in an incoming audio signal using a directional microphone system having at least two microphones, that directional microphone signal which has the lowest interference signal component is selected from two or more directional microphone signals that have been produced by weighted combination from the signals of the microphones, with the weighting in each case determining a direction-dependent sensitivity. If a sensitivity distribution has a minimum in the direction of the interference signal source, then a low signal energy is detected, which characterizes a lower interference signal component.

An acoustic system has an acoustic sensor and a processing circuit. The acoustic sensor includes a base, a microphone having a microphone diaphragm supported by the base, and a hot-wire anemometer having a set of hot-wire extending members supported by the base. The set of hot-wire extending members defines a plane which is substantially parallel to the microphone diaphragm. The processing circuit receives a sound and wind pressure signal from the microphone and a wind velocity signal from the hot-wire anemometer, and provides an output signal based on the sound and wind pressure signal from the microphone and the wind velocity signal from the hot-wire anemometer (e.g., accurate sound with wind noise removed). The configuration of the hot-wire extending members defining a plane which is substantially parallel to the microphone diaphragm can be easily implemented in a MEMS device making the configuration suitable for miniaturized applications.