Abstract: This biochemical analysis device has a configuration in which a reaction unit is installed on a device body, the reaction unit including: a test tube unit having a plurality of test tubes or a test tube unit in which a plurality of test tubes can be installed; a cassette guide; and a cassette box that allows attachment/detachment of the cassette guide. The cassette guide includes a flange part, a ventilation opening provided in the flange part, and a test tube insertion part provided to the flange part. The test tube insertion part is a closed structure, the flange part is installed on the upper surface section of the cassette box, and the ventilation opening suctions air above the flange part via negative pressure generated by an internal space of the cassette box.

Abstract: The present invention provides a thermal cycler capable of rapidly and efficiently heating and cooling a reaction liquid. The thermal cycler according to the present invention comprises: a temperature control block where a reaction vessel can be installed, a thermoelectric conversion unit capable of heating and cooling, a temperature sensor that measures the temperature of the temperature control block, an insulating substrate that is in contact at one surface with the thermoelectric conversion unit, and a heat radiating unit that is provided on the other surface of the insulating substrate and serves for discharging the heat of the thermoelectric conversion unit to the outside, wherein the temperature control block is heated and cooled by controlling a current or voltage supplied to the thermoelectric conversion unit on the basis of the temperature of the temperature adjustment block measured by the temperature sensor.

Abstract: The purpose of the present invention is to provide an automatic analysis device with excellent workability while removing dew condensation water that is generated on an inner wall of a reagent storage cabinet. To this end, the present invention comprises a reagent storage cabinet for storing a plurality of reagent containers, wherein the reagent storage cabinet has: a reagent jacket that rotates while holding the reagent containers; a housing that accommodates the reagent jacket; and a lid part that covers the housing from above and that has formed therein a dispensing hole for dispensing the reagent inside the reagent containers, and a sliding contact mechanism, which is capable of switching between a state of being in contact with an inner wall surface of the housing and a state of being spaced away from the inner wall surface of the housing, is provided to the reagent jacket.

Abstract: This reaction unit, which is used in a genetic testing apparatus, is provided with a test tube unit which has multiple test tubes, or a test tube unit where multiple test tubes can be arranged, and a cassette stand where the test tube unit can be arranged; a ventilation opening is provided on the upper surface of the cassette stand, and by means of an exhaust fan installed in or connected to a lateral surface of the cassette stand, the internal space of the cassette stand is brought to a negative pressure, which generates a downward stream of air towards the ventilation hole from above the test tubes. In this way, the gene testing apparatus can prevent cross-contamination between different samples, and can improve test accuracy.

Abstract: The present invention determines whether or not a mounted tip and a dispensing amount match with each other in order to prevent contamination in a dispensing device. The present invention is provided with a pipette mechanism 108, 109 that performs suction and discharge, a motor 102 that drives the pipette mechanism, and a pressure sensor 113 that detects a pressure of the pipette mechanism. A dispensing tip 110 is mounted to the pipette mechanism. A control computer 116 controls the motor 102, drives the pipette mechanism in a suction or discharge direction, and determines a type of the dispensing tip 110 on the basis of a difference in pressure waveform detected by the pressure sensor 113.

Abstract: The purpose of the present invention is to provide a temperature control device (1) capable of changing the temperature of a temperature regulating block (2) rapidly and with high accuracy. A temperature control device (1) according to the present invention is provided with: the temperature regulating block (2), on which a container (5) accommodating a solution (6) can be placed; and a temperature regulating part (3) that is installed so as to contact the temperature regulating block (2) and that changes the temperature of the solution (6), wherein the temperature regulating block (2) is provided with, on the inside thereof, one or a plurality of hollow parts (7).

Abstract: Provided is a dispensing device that can dispense at a high speed and with high precision and that can be miniaturized. This dispensing device suctions a liquid sample into a disposable tip and discharges the suctioned liquid sample, the dispensing device being provided with: a piston receiving part into which a piston is inserted; a tip detachment part that detaches the disposable tip mounted on the front end of the piston receiving part by pressing down the disposable tip; and a force action part that works in tandem with the tip detachment part and moves in the direction opposite to the movement direction of the tip detachment part.

Abstract: In order to provide a stage apparatus with high speed stability in addition to being able to achieve positioning with a high degree of accuracy, and a sample observation apparatus, such as an optical microscope and a scanning electron microscope, including the stage apparatus, the stage apparatus and the sample observation apparatus of the present invention correct a command voltage value of standard waveform data or an output timing of a command voltage value such that a difference between a first time history response and a second time history response is reduced to zero, the first time history response for displacement or speed when the stage mechanism is driven with use of the standard waveform data showing the command voltage value at each predetermined time and the second time history response for displacement or speed when a speed of the stage mechanism is constant, to be set as drive waveform data to be outputted to a drive unit of the stage mechanism.

Abstract: In order to provide a stage apparatus with high speed stability in addition to being able to achieve positioning with a high degree of accuracy, and a sample observation apparatus, such as an optical microscope and a scanning electron microscope, including the stage apparatus, the stage apparatus and the sample observation apparatus of the present invention correct a command voltage value of standard waveform data or an output timing of a command voltage value such that a difference between a first time history response and a second time history response is reduced to zero, the first time history response for displacement or speed when the stage mechanism is driven with use of the standard waveform data showing the command voltage value at each predetermined time and the second time history response for displacement or speed when a speed of the stage mechanism is constant, to be set as drive waveform data to be outputted to a drive unit of the stage mechanism.

Abstract: A stage comprises a linear guide rail (2) for guiding a movable table (4), a driven bar (12), a linear drive actuator in contact with the driven bar (12) to transmit driving force to the driven bar (12), and parallel plate springs (30) for holding opposite ends of the driven bar (12). A drive transmitting surface of the linear drive actuator is provided so as to be separated from the movable table (4), and this prevents the accuracy of positioning from being reduced. Also, the parallel springs (30) reduce deforming forces applied to sections supporting the driven bar (12), and this prevents the driven bar from being damaged. The configuration makes the stage highly accurate and highly reliable.

Abstract: A stage comprises a linear guide rail (2) for guiding a movable table (4), a driven bar (12), a linear drive actuator in contact with the driven bar (12) to transmit driving force to the driven bar (12), and parallel plate springs (30) for holding opposite ends of the driven bar (12). A drive transmitting surface of the linear drive actuator is provided so as to be separated from the movable table (4), and this prevents the accuracy of positioning from being reduced. Also, the parallel springs (30) reduce deforming forces applied to sections supporting the driven bar (12), and this prevents the driven bar from being damaged. The configuration makes the stage highly accurate and highly reliable.

Abstract: An electronic sound generation system wherein an input signal is frequency modulated, and the modulated signal passes through a series of cascaded shift registers. Amplifiers are provided for compensation of insertion loss in each shift register stage, and a frequency modulation detector is utilized to produce the time-delayed output echo signal.

Abstract: A programmable rhythm apparatus for use with an electronic musical instrument comprising a sequential pulse generator, a plurality of individually programmable rhythm channels or tracks each producing an output pulse pattern in response to the sequential pulse generator and a standard voice generation circuit to receive the pulse output pattern from the programmed rhythm channels. The voice generation circuit produces a signal representative of an unpitched musical instrument with a rhythm pattern corresponding to the pulse output pattern of an individual rhythm channel. The voice generation circuit output signals corresponding to each rhythm channel and representing different unpitched instruments are combined and applied to an audio transducer. Each individual rhythm channel can be programmed by the instrument player to provide a pulse output sequence representative of any rhythm pattern desired. Each rhythm channel has a plurality of logic means and a selection means.

Abstract: A tempo setting device for use in an automatic rhythm instrument comprising a control means actuatable repetitively by the instrument player to produce a plurality of signals at a rate corresponding to a desired tempo and a circuit means responsive to the signals to produce a control signal related in magnitude to the rate. The control signal is applied to a voltage controlled tempo oscillator which is part of the automatic rhythm instrument and has an output frequency determined by the magnitude of its input signal. Thus, by actuating the control means at a rate corresponding to the desired tempo, the instrument player can regulate the tempo of the automatic rhythm instrument.