摘要:
In a capsule endoscope illuminating units are disposed around an image capturing unit in such a manner that an optical axis of the illuminating units do not intersect with an optical axis of the observation unit, and illumination areas of the illuminating units overlap at substantially a central portion of an image capturing area of the image capturing unit.
摘要:
An in-body information acquiring apparatus includes a function executing unit that realizes a predetermined function inside a body of a patient. A power-supply circuit includes a power unit that includes a cell and that outputs a first current and a first voltage; and a converter that converts the first current to a second current, which is a current required to operate the function executing unit for a predetermined time, and converts the first voltage to a second voltage, which is a voltage required to operate the function executing unit.
摘要:
A transmitting and receiving apparatus (2) that transmits a radio signal to a capsule endoscope includes: a transmitting level determining unit (25) disposed near a transmitting resonance circuit (22); a frequency controller (26) that controls an oscillation frequency based on a result of determination executed by the transmitting level determining unit (25); and a frequency variable oscillator (16) that changes the oscillation frequency, based on the control of the frequency controller (26). By changing the oscillation frequency so that a transmission level becomes large, the oscillation frequency can be changed so as to decrease a frequency difference between the oscillation frequency and the resonance frequency of the resonance circuit (22) that changes along a variation in a self inductance value of a coil (24).
摘要:
A transmitting and receiving apparatus (2) that transmits a radio signal to a capsule endoscope includes: a transmitting level determining unit (25) disposed near a transmitting resonance circuit (22); a frequency controller (26) that controls an oscillation frequency based on a result of determination executed by the transmitting level determining unit (25); and a frequency variable oscillator (16) that changes the oscillation frequency, based on the control of the frequency controller (26). By changing the oscillation frequency so that a transmission level becomes large, the oscillation frequency can be changed so as to decrease a frequency difference between the oscillation frequency and the resonance frequency of the resonance circuit (22) that changes along a variation in a self inductance value of a coil (24).
摘要:
An in-body information acquiring apparatus includes a function executing unit that realizes a predetermined function inside a body of a patient. A power-supply circuit includes a power unit that includes a cell and that outputs a first current and a first voltage; and a converter that converts the first current to a second current, which is a current required to operate the function executing unit for a predetermined time, and converts the first voltage to a second voltage, which is a voltage required to operate the function executing unit.
摘要:
A capsule endoscope includes a function executing unit which executes predetermined functions including capturing an image in a subject where the capsule endoscope is introduced; a package which encloses the capsule endoscope, and has an opening; and a cover which covers the opening, and is made of a material reacting with a substance in the subject to expose the opening. The capsule endoscope also includes a sensor which detects that the capsule endoscope is located in the subject, through the opening; and a driving controller which controls the function executing unit.
摘要:
A reactive emulsifier comprising a compound of formula (I), which makes polymerization stability satisfactory and is capable of improving the water resistance etc. of the polymer film to be obtained. In the formula (I), D represents a polymerizable unsaturated group represented by the chemical formula D-1 or D-2; m1 represents a number of 1 or larger; R1 represents an alkyl group having 1 to 12 carbon atoms; m2 represents a number of 0 to 4; and the sum of m1 and m2 is 1 to 5. R2 represents a hydrocarbon group having 6 to 30 carbon atoms; A represents either an alkylene group or a substituted alkylene group which has 2 to 4 carbon atoms; and n is in the range of 0 to 1,000. X represents a hydrogen atom or an anionic hydrophilic group which is —(CH2)a—SO3M etc. R3 represents a hydrogen atom or methyl.
摘要:
A wind-turbine control device controls a wind turbine generator in which a rotor having a plurality of blades receives wind and rotates. The generator generates electrical power through the rotation of the rotor. The electrical power is supplied to a utility grid, and electric energy to be supplied to the utility grid can be changed according to a change in the frequency of the utility grid. The wind-turbine control device includes a subtracter to calculate a frequency change, which is the difference between a measurement value of the frequency of generated output power of the wind turbine generator and a set value of the frequency of the generated output power of the wind turbine generator. The wind-turbine control device further includes a limiter to limit a change in the electrical power corresponding to the frequency change calculated by the subtracter, based on the rotational speed of the generator.
摘要:
An assistive power control apparatus for a motor-assisted bicycle controls a motor to generate an assistive torque depending on the pedaling force of a rider. The assistive power control apparatus detects a rotating torque value of a crankshaft rotated when a rider steps on pedals by a torque sensor, controls a motor to generate an assistive power determined using the rotating torque value, calculates a rotation angle of the crankshaft when a present rotating torque value is detected from a time period from a timing of detection of a peak position of the rotating torque value to a timing of detection of the rotating torque value, calculates a pedaling force applied when the rider steps on the pedals from the calculated rotation angle of the crankshaft and the detected present rotating torque value, and determines the assistive power of the motor according to the calculated pedaling force.
摘要:
A volume data encoder with high encoding efficiency is provided. The object of the coding is volume data which contains a plurality of tomogram planes output from a CT and an MRI. A header analysis unit separates each plane image into header information and pixel information. A header compression unit compresses the separated header information. On the other hand, a two-dimensional transform unit conducts frequency decomposition on the pixel information. A skip portion detection and table generation unit detects skip portions that are the same in all coefficients in a z-direction, and stores them in a table. A one-dimensional transform unit conducts one-dimensional transform on the pixel information for coefficients except the skip portions. A unit block division unit divides each subband into unit blocks. An entropy encoding unit determines a parameter for entropy encoding according to statistical properties of all coefficients in all unit blocks included in each class.