54results about How to "Inexpensive configuration" patented technology

A first member is adapted to measure an electrocardiogram of a patient. A second member is adapted to measure a peripheral pulse wave of the patient. A first calculator calculates a pulse wave propagation time (PWTT) and a heart rate (HR) of the patient based on the electrocardiogram and the peripheral pulse wave. A second calculator calculates a cardiac output (CO) of the patient with an equation of CO=(αK·PWTT+βK)·HR, where α, β and K are coefficients inherent to the patient.

A vibration element includes a substrate, a piezoelectric element including a piezoelectric layer and an electrode layer, and a bonding layer provided between the piezoelectric element and the substrate and comprising ceramic containing melted glass powder, wherein the vibration element causes the substrate to vibrate by vibration energy of the piezoelectric element to output the vibration energy of the substrate, and the piezoelectric element is fixed to the substrate via the bonding layer.

An apparatus for driving an electrophoretic display unit includes: a current detector that detects a driving current supplied to or flowing out from the electrophoretic display unit and outputs a detection value corresponding to the driving current; a conversion unit that converts the detection value into a corresponding temperature equivalent value; and a driver that generates a driving control signal of the electrophoretic display unit based on the temperature equivalent value.

A measuring instrument comprises an spherical camera (8) for acquiring image data over total circumference, a laser scanner (6, 7) installed integrally with the spherical camera and for acquiring point cloud data of the surroundings, a synchronous control unit (9) for controlling acquisition of data of the spherical camera and the laser scanner, a storage unit (12) for recording the image data and the point cloud data, an absolute scale acquiring means for acquiring an absolute scale for obtaining an absolute position of when images are photographed by the spherical camera, and a control arithmetic unit (10), wherein the control arithmetic unit calculates a 3D model based on the image data, the point cloud data, and the absolute position.

An apparatus for identifying, during total knee replacement surgery, a position of a center of a femoral head of a patient within a plane parallel to a frontal plane, comprises a marking plate placed to cover, in a direction perpendicular to the frontal plane, a site where the femoral head center of the patient's body is located; a pivotal arm having a pivotal shaft arranged to extend in a direction perpendicular to the frontal plane; and a marker attached to the pivotal arm, for depicting a circular arc on the marking plate according to rotation of the pivotal arm; the pivotal shaft being placed at a distal end of a femur of the patient, a distance from the pivotal shaft to the marker in a direction parallel to the frontal plane being equal to a preliminarily measured distance from the distal end of the femur to the femoral head center.

Of a plurality of hydraulic signals output from an operating device, a hydraulic signal is input into a control valve serving as a hydraulic control device without conversion, and particular hydraulic signals are converted into electric signals corresponding to their hydraulic pressures by signal converting devices, such as pressure sensors, and are then input into a controller. The controller controls the drive of an electric actuator, such as a rotating electric motor, on the basis of the electric signals. Hydraulic fluid flow paths communicating to the pressure sensors are connected to each other via a throttle, and air in one of the hydraulic fluid flow paths is removed using the other hydraulic fluid flow path.

The intensity of light of a predetermined wavelength corresponding to the type of a protective tape joined to the surface of a semiconductor wafer is adjusted by a controller, and a holding stage for holding the semiconductor wafer is scanned rotationally. At this time, at a V notch portion for positioning formed in the semiconductor wafer, light is transmitted through the protective sheet covering the surface, which is received by a photoreception sensor. Based on the change in the reception amount of light in the photoreception sensor, the position of a detection site is specified.

A hydraulic excavator drive system includes: a control valve for a cylinder that swings a swinging unit; an operation device that outputs an operation signal in accordance with an inclination angle of an operating lever when receiving a first operation of moving the swinging unit closer to a cabin or a second operation of moving the swinging unit farther from the cabin; a solenoid proportional valve connected to a first pilot port of the control valve, the first pilot port being intended for the first operation; and a controller that, when the operation device receives the first operation, controls the solenoid proportional valve such that: a pilot pressure outputted from the solenoid proportional valve is proportional to the operation signal outputted from the operation device until the pilot pressure reaches an upper limit pressure; and the closer the swinging unit to the cabin, the higher the upper limit pressure.

There is provided a data transfer apparatus including a first virtual network device which is connected to a downstream port of a first device mounted with a serial transfer interface, a first cable for extending a downstream port of a second device mounted with a serial transfer interface, a second virtual network device which is connected to the first cable, a second cable for extending a downstream port of a third device mounted with a serial transfer interface, a third virtual network device which is connected to the second cable, and a virtual network switch which is connected to the first virtual network device, the second virtual network device and the third virtual network device.

A spectroscopic measurement apparatus includes a light source, a diffraction grating being a spectroscopic unit, a spatial filter unit, a detection unit, and an analysis unit. The diffraction grating spatially disperses light from the light source, and outputs the light to different optical paths according to a wavelength. The spatial filter unit inputs the light from the diffraction grating to different positions according to the wavelength, applies loss depending on the wavelength to the light, and outputs the light. The detection unit detects the intensity of the light from the spatial filter unit. The analysis unit obtains the intensities of light in an absorption band and light in a non-absorption band of a component in a measurement sample on an optical path between the light source and the detection unit based on the detection result, and evaluates the component in the measurement sample.

Disclosed is a bi-directional optical-amplifier module including first through fourth optical amplifiers, a mid-stage device for performing a desired signal processing for an upward or downward optical signal passing therethrough, a first optical-signal-path-setting device for supplying an optical signal inputted to a first input / output terminal of the bi-directional optical-amplifier module while outputting an optical signal outputted from the fourth optical amplifier to the first input / output terminal, a second optical-signal-path-setting device for supplying an optical signal inputted to a second input / output terminal of the bi-directional optical-amplifier module while outputting an optical signal outputted from the third optical amplifier to the second input / output terminal, a third optical-signal-path-setting device for outputting an optical signal outputted from the first optical amplifier to a first input / output terminal of the mid-stage device while supplying an optical signal outputted from the first input / output terminal of the mid-stage device to the fourth optical amplifier, and a fourth optical-signal-path-setting device for outputting an optical signal outputted from the second optical amplifier to a second input / output terminal of the mid-stage device while supplying an optical signal outputted from the second input / output terminal of the mid-stage device to the third optical amplifier.

A high-frequency input voltage and a high-frequency input current to a series resonant circuit are detected by a voltage detection unit and a current detection unit, respectively, and plasma input power is detected by a plasma input power detection unit based on the detected high-frequency input voltage and high-frequency input current. By directly detecting the plasma input power in this manner, the plasma input power may be accurately controlled regardless of the state of a plasma-generating gas or an analysis sample. Also, use of a switching circuit including a semiconductor device allows an inexpensive configuration compared with a configuration where a vacuum tube or the like is used.

A method is proposed for detecting and compensating for nonlinearities in a microwave radar system, in which a transmitted signal frequency-modulated according to a defined function is generated with a transmitting oscillator (1), and from the mixing of the transmitted signal with a received signal reflected from an object, a distance of the microwave radar system from the object is ascertained. In defined time windows (DELTAt), instead of a trigger voltage effecting frequency modulation, a defined constant test trigger voltage is switched to the transmitting oscillator (1); a reference signal ascertained in the context of the respective constant test trigger voltage, which signal corresponds to a frequency value of the transmitting oscillator (1), is employed to correct the characteristic for the frequency modulation and thus to compensate for nonlinearities.

An object of the present invention is to provide a liquid applying apparatus that enables the viscosity of a liquid to be applied and the condition of supply of the liquid to be detected using conventional mechanisms and without the need for a viscometer or the like, thus allowing prevention of improper application of the liquid to a medium and mitigation of wear of an applying roller or the like, the apparatus having an inexpensive configuration. Thus, according to the present invention, a driving load on an applying roller driving motor is detected when an applying roller is driven. If the driving load is equal to or more than a preset threshold, an operation of re-supplying the liquid is performed by a pump, or an operation of the roller driving motor is stopped.

An air-purifying device for vehicles capable of diagnosing function deterioration of an ozone purifier with an inexpensive configuration is provided. At Step 120, applying current to an injector 20 is started. As a result, injection of ammonia from the injector 20 is started. Subsequently, it is determined whether or not i a heat generation amount is more than a predetermined amount A (Step 130). In the case of the heat generation amount>predetermined amount A, it can be determined that there are a large number of pores (fine pores) of activated carbon supporting a deterioration detection substance. In the case of the heat generation amount≦predetermined amount A, it can be determined that fine pores have decreased and an ozone purifying function of the activated carbon has deteriorated. Thus, an MIL 30 is lighted (Step 140).

A conveying device and a conveying control method that can control a phase of a main conveying roller and a position of a print medium with an inexpensive configuration and a fast throughput are provided. For that purpose, an LF roller phase is obtained, phase matching control is performed so that the print medium comes to a desired position when the LF roller is at a desired phase, and skewing of the print medium is corrected by the same control method as the phase matching control.

An optical image measuring apparatus according to the present invention includes an optical branching unit that branches light emitted from a light source into a signal light and a reference light, and an optical scanning unit that scans an angle of an optical axis emitted from the light source is disposed between the light source and the optical branching unit.

A vehicle heater control apparatus variably contras electric power to be supplied to a heater with an inexpensive configuration and simple control. The vehicle heater control apparatus is provided in a vehicle including an engine control system, the engine control system including: an intake air temperature sensor for detecting an intake air temperature; and a speed sensor for detecting a traveling state of the vehicle, the engine control system using the intake air temperature and the traveling state to control drive of the engine, and the vehicle heater control apparatus includes a heater control portion for variably controlling electric power to be supplied to a warmer provided to a heated part of the vehicle based on the intake air temperature and the traveling state.