269 results about "Arithmetic processing unit" patented technology

One embodiment of a remote control system according to the invention includes: a remote control transmitter including a light-emitting element control unit that emits light-emitting element that emit position detection light signals; a remote control receiver including a light-reception signal processing unit that detects position detection reception signals from the position detection light signals, an output detection unit that performs waveform conversion on the position detection reception signals to obtain output signals as position detection output signals, and an arithmetic processing unit that calculates a displacement of the remote control transmitter in a first axis direction and a second axis direction based on an amplitude correlation of output signals; and a cursor control unit that controls the position of the cursor based on the displacement of the remote control transmitter in the first axis direction and the displacement of the remote control transmitter in the second axis direction.

An electrocardiographic signal detection device that includes at least one pair of electrodes that detect electrical signals of a living body; an insulating film disposed on the at least one pair of electrodes, the insulating film having a living body contact surface; a differential amplifier that generates an electrocardiographic signal by differentially amplifying the electrical signals of the living body; and an arithmetic processing unit that obtains biological information based on the electrocardiographic signal generated by the differential amplifier, wherein the insulating film and the at least one pair of electrodes are arranged such that the electrical signals of the living body are detected through capacitive coupling between the living body in contact with the living body contact surface of the insulating film and the at least one pair of electrodes.

A smart card and a settlement terminal are provided by which, when common-key cryptography is used for value transfer between smart cards, the security of the whole system can be improved by enabling easy updating of a cryptographic key used for the value transfer. A smart card transmits/receives value data to/from another smart card. The smart card includes an information accumulating unit for accumulating value data, a transfer key used to update the value data, and an update key used to update the transfer key; a communication unit for receiving a transfer key encrypted by use of the update key, the transfer key being transmitted from another smart card; and an arithmetic processing unit for decrypting the encrypted transfer key by use of the update key to update the transfer key accumulated in the information accumulating unit by use of the decrypted transfer key.

The invention provides a posture detecting device, which comprises a tilt detecting unit as rotatably supported around two shafts perpendicular each other to an outer frame and for detecting a tilting from the horizontal, encoders provided on each of the shafts, motors provided so as to rotate each shaft, and a first arithmetic processing unit for driving/controlling the motor based on a detection result from the tilt detecting unit, wherein the first arithmetic processing unit drives the motors so that the tilt detecting unit detects the horizontal based on a signal from the tilt detecting unit when the outer frame is tilted and calculates a posture of the outer frame based on outputs of the encoders when the tilt detecting unit detects the horizontal.

An attitude information detection unit detects the attitude of a wearer, and an arithmetic processing unit and a device position drive unit, which form an image area position adjustment mechanism, translate a liquid crystal display device that is a light modulating device relative to a light guide section in a plane parallel to a light incident surface of the light guide section based on a detection result from the attitude information detection unit, whereby the position of an image area can be so changed that an image moves in the direction opposite the direction in which the wearer moves. As a result, when the wearer moves, the image does not follow the motion of the wearer as if the image remained still, whereby the wearer who moves will have a reduced amount of unpleasant sensation resulting from the motion.

The invention relates to a GPU (graphic processing unit) based parallel power flow calculation system and method for a large-scale power system. The system comprises a symbol Jacobian matrix forming and decomposing module, an initialization module, a power flow equation right-hand side calculation module, a jacobian matrix assignment module, an LU decomposing module and a forward and backward substitution module; the symbol Jacobian matrix forming and decomposing module is located on a host side, and the host side transmits calculating data to an equipment side; the power flow equation right-hand side calculation module, the jacobian matrix assignment module, the LU decomposing module and the forward and backward substitution module are sequentially connected on the equipment side. The method includes (1) transmitting data needed by calculation to the host side entirely; (2) generating a symbol Jacobian matrix and performing symbol composition on the symbol Jacobian matrix; (3) transmitting a decomposition result by the host side to the equipment side; (4) executing power flow equation right-hand side calculation; (5) executing Jacobian matrix assignment; (6) executing LU decomposition; (7) executing forward and backward substitution.

In a virtualized computer system having at least two computers connected via a network, the service suspension period while a virtual device is dynamically migrated from a first computer to a second computer is shortened.

When the virtual device is migrated from the first physical device to the second physical device, memory data existing in an area mapped in the main memory of the first physical device is mapped in a high-speed storage device that is made available to the first physical device. The memory data is copied into an area that is registered in the second physical device but is made unavailable to the second physical device. During a temporary halt of the virtual device, a possession right transferring process is performed by changing possession right information about availability and unavailability of the high-speed storage device so that the area is made unavailable to the first physical device and is made available to the second physical device, thereby dynamically changing settings so that the virtual device can be operated with the use of the arithmetic processing unit of the second physical device.

Methods and apparatus for placing a processing unit into one or more of a plurality of operational modes are disclosed wherein: the apparatus includes a local memory, a bus operable to carry information to and from the local memory, one or more arithmetic processing units operable to process data and operatively coupled to the local memory, and a security circuit operable to place the apparatus into the operational modes; and the plurality of operational modes includes a first mode whereby the apparatus and an external device may initiate a transfer of information into or out of the memory over the bus, a second mode whereby neither the apparatus nor the external device may initiate a transfer of information into or out of the memory over the bus, and a third mode whereby the apparatus may initiate a transfer of information into or out of the memory over the bus, but the external device may not initiate a transfer of information into or out of the memory over the bus.

A non-contact IC system 1 is mounted within the casing of a mobile telephone 100 and it includes: an antenna coil 11; an IC module 12 for receiving power and communication information via radio waves received by the antenna coil 11; a central arithmetic processing unit 13 for controlling the entire system and controlling drive power supply to the IC module 12; a regulator 14 for providing drive power to the IC module 12; a voltage detection circuit 15 for detecting the power supplied via the antenna coil 11; a battery 16; a bus 17; and a switch 18. The central arithmetic processing unit 13 controls the drive power supply to the IC module 12 in accordance with the result of detection of power supplied via the antenna coil 11 and the communication state of the IC module 12.

An object of this invention is to finely set the voltage at high speed without decreasing the efficiency. In a power supply for switching operation including a switching circuit, an output circuit, a control table which stores data on the ON and OFF periods of the switching circuit in correspondence with a set voltage, an arithmetic processing unit which performs reading operation from the control table and PWM operation, and a digital control unit which controls the switching circuit by outputting a PWM signal, feedback control based on the output voltage is performed in a case where the output voltage is not changed. When changing the output voltage, the feedback control is switched over to control based on data in the control table to change the output voltage at high speed.

The present invention discloses a remote control system, and display device and electronic device using the remote control system. One embodiment of a remote control system according to the invention includes: a remote control transmitter including a light-emitting element control unit that emits light-emitting element that emit position detection light signals; a remote control receiver including a light-reception signal processing unit that detects position detection reception signals from the position detection light signals, an output detection unit that performs waveform conversion on the position detection reception signals to obtain output signals as position detection output signals, and an arithmetic processing unit that calculates a displacement of the remote control transmitter in a first axis direction and a second axis direction based on an amplitude correlation of output signals; and a cursor control unit that controls the position of the cursor based on the displacement of the remote control transmitter in the first axis direction and the displacement of the remote control transmitter in the second axis direction.

A sentence classification device includes a storage unit, arithmetic processing unit, and screen display unit. The storage unit stores a document set of a plurality of documents and a term list including a plurality of terms each having one or more words. The arithmetic processing unit classifies the respective documents stored in the storage unit on the basis of the term list. The screen display unit displays a processing result obtained by the arithmetic processing unit on a screen.

A method and an apparatus that determine an addend in a first floating point format from a first representation of a number in the first floating point format are described. An arithmetic processing unit may be instructed to perform a floating point add operation to generate a sum in the first floating point format from the addend and the first representation. A second representation of the number in a second floating point format may be extracted directly from the sum. The first floating point format and the second floating point format may be based on different precisions for the first and second representation of the number.

The present invention provides a three-dimensional shape measurement method and a three-dimensional shape measurement apparatus. Color luminance data I (x, y) is separated by an arithmetic processing unit into R, G and B which are color components of a color image. Then, maximum amplitude values are calculated, and the maximum values are composed to obtain an in-focus color omnifocal image. Further, a Z-position corresponding to the maximum amplitude value in an interferogram is calculated in at least one color component, and this processing is performed for all pixels (x, y) to calculate height information for a sample. The height information is provided to the color omnifocal image, such that the three-dimensional shape of the sample can be measured.

A face image synthesis apparatus includes a storage device (2) and an arithmetic processing unit (1). The storage device (2) stores a plurality of face images and a plurality of feature points including an origin. The plurality of feature points are set to each of the plurality of face images. The arithmetic processing unit (1) generates a plurality of deformed face images by deforming the plurality of face images so that the origin and the other feature points thereof are matched to each other and generates a synthesized face image from the deformed face images.

The relationship of correspondence between the RTL description and the behavioral description is extracted with ease. A behavioral synthesis device analyzes how the scheduling, preparation of a control data flow graph and the sharing of arithmetic processing units and registers are carried out. The behavioral synthesis device then formulates a table of correspondence to show the relationship of correspondence between the RTL description and the CDFG and a table of correspondence to show the relationship of correspondence between the CDFG and the behavioral description. A path determining device couples these tables of correspondence to generate a table of correspondence determining the relationship of correspondence between the RTL description and the behavioral description. The path determining device reflects a path of interest in the RTL description. The path determining device then outputs the behavioral description, corresponding to the RTL description, so that the behavioral description will be uniquely determined by the states of the FSM possessed by the RTL description and by the conditional branching in the behavioral description.

The invention provides a surveying instrument, which comprises a measuring unit for performing a distance measurement by projecting a distance measuring light toward an object to be measured, an image pickup unit for picking up an image including the object to be measured, an attitude detecting unit provided integrally with the image pickup unit, and an arithmetic processing unit, wherein the attitude detecting unit has tilt sensors for detecting a horizontal and a relative tilt angle detecting unit for detecting a tilt angle of the measuring unit with respect to the horizontal, and wherein the arithmetic processing unit calculates a tilting of the image with respect to a vertical based on a detection result of the attitude detecting unit and displays vertical lines in the image acquired by the image pickup unit based on this calculation result.

A coordinate detecting device includes a detecting unit configured to detect the capacitance of each of a plurality of electrodes arranged in a predetermined direction and an arithmetic processing unit configured to calculate the coordinates of a detection target using different calculation methods according to the state of a variation in the capacitance of the plurality of electrodes. The arithmetic processing unit calculates the coordinates of the detection target, using one of a centroid calculation method of calculating the coordinates of the centroid and a curve approximation method of calculating a peak of a curve according to a comparison value between a capacitance variation of a peak electrode and a capacitance variation of an electrode which is not adjacent to the peak electrode.

According to an improvement support system (100) comprising an input unit (12), a display (11), an arithmetic processing unit (13) and a storage unit (2), the storage unit stores analytical data (21) containing analytical information corresponding to “phenomenon” or “influence” and “cause” or “measures” for each of failure modes previously extracted at a stage of product designing or process designing, and malfunction generation historical data (22, 23) in which malfunction information formed based on the contents of malfunction and related to the failure mode of the analytical information is sequentially accumulated every time the malfunction is detected after the system is started. The arithmetic processing unit (1) has a function of retrieving the analytical data (22 and 23) using the malfunction information as a key and detecting the failure mode correlated with the malfunction. Thus, the number of malfunctions related to the analytical information regarding each failure mode is counted and the total number of malfunctions related to the failure mode is displayed with the contents of the failure mode in the display.

There is provided a mobile blood-sugar level measuring system enabling a diabetic patient to accurately and easily perform management of blood-sugar level measurement timing, management of changes in blood-sugar level, and further prediction of a future blood-sugar level. The blood-sugar level measuring system is formed by using a blood-sugar level processing device including a data-arithmetic-processing unit for arithmetically processing the measurement-data, an external data importing unit for entering and accumulating external data on blood-sugar level, a display device for displaying the result of the arithmetic-processing, and a display device control unit for controlling the display device, in combination with a conventional, mobile blood-sugar level monitoring device.

A terminal equipped with a central processing unit (CPU) and a graphics processing unit (GPU) performs a method for executing applications in adaptation to the load of the CPU and GPU. The application execution method of the present invention includes checking, when a code of application to be executed is input, workloads of a central processing unit and a graphics processing unit. The method also includes comparing the workloads of the central processing unit and the graphics processing unit with respective workload threshold values, and compiling the code according to comparison result. The method further includes generating a binary for executing the application at one of the central processing unit and the graphics processing unit using the compiled code, and executing the application with the generated binary. The method reduces application execution time by adjusting the workloads of the CPU and GPU according to the total workload, thereby saving power.

A measurement apparatus which measures a surface position of an object comprises a first measurement device configured to make measurement light from the object and reference light from a reference mirror interfere with each other on a light receiving surface of a photo-electric conversion device to form an interference pattern, and photo-electrically convert the interference pattern by the photo-electric conversion device to output an interference signal, a second measurement device configured to measure the surface position of the object, and an arithmetic processing unit configured to detect the surface position of the object based on a peak, of the interference signal, which is ensured to be a peak of a central fringe according to the measurement result obtained using the second measurement device.