237results about How to "Accurately know" patented technology

A head tracker system for determining a user's head orientation relative to a datum comprises: a head mounting, preferably a helmet (2), for attachment to the user's head and a sensor system (10,12) for sensing the orientation of the head mounting (2) relative and the datum. A distinguishable marking (26) is provided at a first known point fixed relative to the head mounting or a second known point fixed relative to the datum. At the other known point an optical sensor (18), preferably a video camera, is mounted. The system further comprises processing means (28) for determining when the marking is within the field of view of the optical sensor and the output of the processing means is used to correct for drift in the sensor system or to provide an independent verification that the system is functioning within preselected tolerances.

A method of producing lane information for use in a map database is disclosed. In at least one embodiment, the method includes acquiring one or more source images of a road surface and associated position and orientation data, the road having a direction and lane markings parallel to the direction of the road; acquiring road information representative of the direction of said road; transforming the one or more source images to obtain a transformed image in dependence of the road information, wherein each column of pixels of the transformed image corresponds to a surface parallel to the direction of said road; applying a filter with asymmetrical mask on the transformed image to obtain a filtered image; and producing lane information from the filtered image in dependence of the position and orientation data associated with the one or more source images.

In a medical ultrasound diagnosis apparatus, a spatial position and orientation of a probe which transmits and receives an ultrasound are measured as coordinate data. Received data and measured data are correlated and stored in a storage unit. When received data is read from the storage unit, the coordinate data correlated to the received data is also read. When an ultrasound image based on the received data is replayed and displayed, a reference image based on the coordinate data is also displayed along with the ultrasound image. The reference image contains a body mark and a probe mark. A diagnosis situation during when the received data is obtained is schematically re-created by the reference image. That is, the diagnosed part and diagnosis direction are represented by a position and an orientation of the probe mark on the body mark.

There is provided a method for transmitting, by a transmitter, a signal through an unlicensed band channel. The transmitter transmits an initial signal through the unlicensed band channel to preoccupy the unlicensed band channel when the unlicensed band channel is in an idle status. The transmitter includes a first partial subframe transmitted after the initial signal in a frame burst depending to transmission timing of the initial signal. Further, the transmitter transmits the frame burst through the unlicensed band channel.

A system and method for producing transaction cards, such as gift cards and identification cards, ensures that duplicate and missing cards are eliminated from a group of cards. Cards may also be provided in an ordered sequence. Each transaction card may include one or more unique identifiers so that each card is uniquely identified from all other cards in the group. Cards in the group may be packaged according to a hierarchy, and the location of each card in the hierarchy may be retained and later used for identifying the location of cards and / or batch activation.

A non-volatile memory system includes a NAND flash memory device including a first flash translation layer that performs a garbage collection operation, and a host device including a file system and a second flash translation layer that controls an operation of the NAND flash memory device by interacting with the file system. Here, the host device provides application data in an in-ordered form to the NAND flash memory device. Thus, the non-volatile memory system can perform a random write operation at high speed, and can minimize power consumption due to unnecessary data transfer.

Embodiments of the present invention provide a method, a device, and a system for configuring a component carrier in a carrier aggregation scenario. The method for configuring a component carrier in a carrier aggregation scenario includes: obtaining information about a component carrier supported by a UE; selecting a candidate component carrier according to the information about the component carrier and configuring a resource parameter that is applied to the candidate component carrier to form configuration information about the candidate component carrier; and delivering the configuration information about the candidate component carrier to the UE. In the embodiments of the present invention, a base station may select a candidate component carrier for the UE according to obtained component carrier support information and perform resource configuration, so that the UE can accurately know to which component carrier a resource parameter is applied, and thus a data transmission error may be reduced.

It is an object to provide a scanning-laser microscope apparatus and a light-amount detection unit that can perform quantitative observation by reporting to the operator the light intensity irradiating a specimen due to optical stimulation. There is provided a laser microscope apparatus including a stimulus optical system for irradiating a stimulus laser beam for applying a stimulus to a specific position of a specimen; a light detector for measuring the light intensity of the stimulus laser beam; a light-intensity correction circuit for correcting the measured value from the light detector; an integrating circuit for integrating the detected value from the light-intensity correction circuit; and a display device for displaying the detected integrated value from the integrating circuit.

A liquid dispensing apparatus for dispensing droplets of a liquid, and methods for measuring various fluid parameters of the liquid are described. The liquid dispensing apparatus comprises a container having a chamber for holding a liquid. An orifice is positioned at an end of the chamber for dispensing droplets of the liquid, the orifice being configured to retain the liquid in the container if the container is positioned with the orifice facing in a downward direction. An acoustic transducer means is at least partially positioned in the chamber for periodically propagating a focused acoustic beam toward the orifice and through at least some of the liquid while the liquid is contained in the chamber, with the focused acoustic beam being capable of causing a droplet of the liquid to be ejected from the orifice when a free surface of the liquid is within the depth of field of the acoustic transducer means. Fluid parameters that can be measured include the sound velocity in the liquid, liquid level and liquid concentration, liquid acoustic impedance, liquid density and ultrasonic viscosity.

The method comprises coupling an external load having a predetermined resistance directly in series with the battery, conducting a power transistor to supply a transient large current to the battery for sampling voltage of the battery in a set very short period of time, and determining the internal resistance of the battery. The internal resistance of the battery can then be compared with a predetermined warning value of internal resistance of the battery so as to determine whether the former is equal to or larger than the warning value, and displaying a warning on a display if the determination is affirmative. The invention enables a driver to correctly know the condition of the battery in substantially real time while consuming a minimum amount of current.

The electronic still camera includes an internal memory, a calculating part, a storage medium, and a display part. With a storing rate of the storage medium equal to or higher than an internal processing rate of the camera, the calculating part calculates a storable continuous frame count according to a residual storage capacity and an image data amount of the storage medium. With the storing rate lower than the internal processing rate, it calculates the same according to a storage capacity of the internal memory, the image data amount, a continuous shooting rate of frames, the internal processing rate, and the storing rate, and calculates the continuous shooting rate of frames of when an actual continuous frame count exceeds the storable continuous frame count according to the storing rate and image data amount. The display part displays the storable continuous frame count and continuous shooting rate of frames.

A method for providing software / license and physical / virtual machine management is disclosed for a specialized asset management system. The specialized asset management system aggregates physical and online software assets and their corresponding license(s), as well as physical and virtual machines into a unified library system wherein assets can be managed, used, reserved, tracked, reconciled, and reported on using a library check-out and check-in paradigm.

A bicycle display device is configured to accurately verify an amount of adjustment occurring when performing a fine adjustment of a transmission position of a transmission device. The bicycle display device is mounted on a bicycle, and includes a mounting part and a display element. The mounting part is attachable to a brake bracket of the bicycle. The display element is supported by the mounting part, and is configured and arranged to display a fine adjustment display screen for indicating the amount of adjustment when adjusting the transmission position of a transmission device such as a rear derailleur.

An airflow filter device is employed, for example, in an air-conditioning system for a vehicle and an air-conditioning system for a construction machine. The filter device has a filter for purifying an airflow, an ammeter for detecting clogging in the filter, a filter cleaning warning light that provides a warning to clean the filter when the number of times of clogging in the filter, which is detected by the ammeter, is equal to or less than a threshold value, and a filter replacement warning light that provides a warning to replace the filter when the number of times of clogging exceeds the threshold value.

A method of generating a three-dimensional representation of a region of interest on a target object in an x-ray imaging system. The method uses a fiducial marker of known geometry. The region of interest and the fiducial marker are imaged in a plurality of predetermined positions. Expected images of the fiducial marker for each predetermined position are calculated and compared to captured images of the fiducial marker at each predetermined position. The difference between expected and captured imaged is used to generate corrected images of the region of interest for each predetermined position and these corrected images are used to generate a three-dimensional model of the region of interest. The method allows for the generation of useful three-dimensional models of a region of interest in an x-ray imaging system without requiring an expensive mechanical positioning system.

The invention provides a memo generation method. The method comprises the following steps of receiving multimodal input information from a user, wherein the multimodal input information at least comprises voice data; analyzing the multimodal input information, and extracting the voice data; converting voice generated by the user into text data; performing semantic comprehension on the text data, and capturing a keyword of a function of entering a memo from an intention result of the semantic comprehension; and enabling a memo item recording function, and outputting memo recording success information. In a convenient and quick input mode, the intelligent robot assists the user to memorize big and small events. When a query needs to be performed, the intelligent robot is enabled to accurately know a user intention through accurate semantic comprehension, thereby giving out a corresponding answer.

A high-performance liquid-supplying system is provided in which cost reduction can be achieved with a simple system configuration and accuracy in detecting the residual amount of liquid is high. [Means for Solving Problems] An ink-supplying system 1 supplies liquid reserved in a main tank 14 to a recording head 3 through a subtank 16 mounted on a carriage 6. The main tank 14 has a structure opened to the atmosphere, and the subtank 16 has a sealed structure. The subtank 16 has liquid-detecting means 21 including a vibrating plate 31 as a part of a liquid supply channel 18 or a temporary reservoir 16a and a piezoelectric actuator 32 provided on the vibrating plate 31.

By rotating a second camera (4) by a hinge (5) by 180 degrees so as to obtain an opening state, the second camera 4 faces a surface side. As a result, a first camera (3) and the second camera (4) are aligned horizontally, and use the same direction as a photographing range. When the second camera (4) is rotated, a system controller determines that a state is in a stereoscopic vision photographing mode. When a camera shutter is operated by a user, both the first camera (3) and the second camera (4) are allowed to perform a photographing process, and obtained two image data are stored in a memory after being attached to information indicating that the image is for the right eye and the image is for the left eye, and etc. Then, the two image data are transmitted by an e-mail function to a terminal of a communicating partner.

A method and system controls transmit power by combining the advantages of digital attenuation and analog baseband step attenuators by calibration to overcome the limitations of analog step attenuators. The calibration technique uses highly accurate digital attenuators to determine the actual sizes of the analog steps as analog step attenuator is stepped through a range of attenuation levels. A method of calibration accurately measures attenuation steps comparison to a digital attenuator so that the attenuation actually realized by the analog step attenuator is accurately known. Therefore, the difference between the attenuation realized by the analog step attenuator and the desired attenuation is accurately known. The difference is realized in the digital attenuator and the attenuation resulting from the composite of the digital and analog step attenuator can very accurately realize the requested attenuation.

An improved emitter tracking system. In aspects of the present teachings, the presence of a desired emitter may be established by a relatively low-power emitter detection module, before images of the emitter and / or its surroundings are captured with a relatively high-power imaging module. Capturing images of the emitter may be synchronized with flashes of the emitter, to increase the signal-to-noise ratio of the captured images.

A method of automatically sending a reminder from a sender of a mail item to the addressee of the mail item, the addressee having an obligation to return a sealed reply envelope by a given due date, the method including an operation of sending a reminder letter to the address of the addressee only if a unique reply code that is affixed to the reply envelope and that is read by automatic input means at a collection / delivery office of a postal network is not received at a determined email address at the latest on the given due date.

An operation method of a terminal, for a handover in a mobile communication system, may comprise performing measurement on beams of a target base station, and transmitting a measurement result of at least one beam of the target base station to a source base station; receiving, from the source base station, a handover command message including information on at least one RACH resource for the at least one beam; transmitting a handover indication message including information on at least one random access target beam having an order of channel conditions determined based on a latest measurement to the source base station and to the target base station through the source base station; and determining an optimal beam among the at least one random access target beam, and transmitting a RACH to the target base station through a RACH resource allocated to the optimal beam.

A battery charger and a battery charge method are provided. The battery charger and the battery charge method allow a battery to be charged in accordance with a charge algorithm optimum for the battery and based on a charge characteristic of the battery acquired at the time of daily charge of the battery. A battery charger includes battery charge means for charging a battery connected thereto based on a predetermined charge algorithm and signal analysis means for analyzing the battery based on a charge signal sent from the battery charge means, and the battery charge means automatically switches the charge algorithm to another in accordance with the state of the battery analyzed by the signal analysis means and repeats the charge a predetermined number of times.

The invention discloses a bonding alignment mark and a method for calculating offset. A first alignment mark is arranged on a first silicon wafer; a second alignment mark is arranged on a second silicon wafer; each of the first alignment mark and the second alignment mark comprises a plurality of transverse marks and longitudinal marks; each of the transverse marks and the longitudinal marks comprises a plurality of uniformly distributed alignment scales; and spacings of the adjacent alignment scales in the first alignment mark are different from spacings of the adjacent alignment scales in the second alignment mark. Therefore, when the two silicon wafers are bonded, the offset of the two silicon wafers in a bonding process can be obtained, and the offset can be obtained precisely by obtaining the quantity of the alignment scales before the aligned same-order alignment scales and combining the spacings of the alignment scales; technical personnel can timely handle; the production quality is improved; and the yield is increased.

The invention discloses a method for judging proper amount of refrigerants for a multi-united air conditioning unit, comprising the following steps of: after adjusting a four-way reversing valve (1) of the unit to a refrigeration mode and starting and running a compressor (2) of an outdoor unit for a period of time t, measuring an outdoor environment temperature T, the frequency f of the running compressor (2) and the exhaust pressure P0 of the compressor (2); and then comparing the exhaust pressure P0 of the compressor (2) with the standard region of an exhaust pressure corresponding to the outdoor environment temperature T and the frequency f of the running compressor (2), if the exhaust pressure P0 of the compressor (2) is positioned in the standard region, judging that the amount of the refrigerants is proper, if the exhaust pressure P0 of the compressor (2) is greater than the maximum of the standard region, judging that the amount of the refrigerants is too much, and if the exhaust pressure P0 of the compressor (2) is less than the minimum of the standard region, judging that the amount of the refrigerants is insufficient. The method is accurate, visualized and convenient.

A first exemplary aspect of an embodiment of the present invention is a phase-locked loop circuit including: a voltage-current converter that converts a control voltage into a control current, the control voltage generated according to a phase difference between an input pulse signal and a feedback pulse signal fed back from an output side of a current controlled oscillator; the current controlled oscillator that generates an output pulse signal having a frequency according to the control current; a current detection unit that detects the control current; and a frequency range switch that switches a frequency range of the output pulse signal according to the detected control current.