Abstract: In one embodiment of a data storage device, the inside of its housing 111 is divided into first and second spaces 1 and 2 by a chassis 110. The data storage device includes at least one optical pickup 104 that writes data on a storage medium and a heat radiating member 109 which is thermally coupled to the optical pickup 104 to transfer the heat generated by the optical pickup 104. The optical pickup 104 and the heat radiating member 109 are arranged in the first and second spaces 1 and 2, respectively.

Abstract: The present invention provides a movement mechanism that is capable of easily releasing a bite-in state of a feed screw and a rack without increasing the size or the cost of an apparatus and without breaking the movement mechanism. A movement mechanism according to the present invention linearly moves a movement object, and includes: a feed screw; a drive motor for rotating the feed screw; a drive section for supplying a drive pulse to the drive motor; a movement member for linearly moving the movement object along with the rotation of the feed screw by the drive motor, the movement member being engaged with the feed screw; a detection section for detecting a situation in which the movement object is not moving; and a control section for, when the detection section has detected a situation in which the movement object is not moving, causing the drive section to output a drive pulse that causes the drive motor to rotate and vibrate.

Abstract: The present invention provides a movement mechanism that is capable of easily releasing a bite-in state of a feed screw and a rack without increasing the size or the cost of an apparatus and without breaking the movement mechanism. A movement mechanism according to the present invention linearly moves a movement object, and includes: a feed screw; a drive motor for rotating the feed screw; a drive section for supplying a drive pulse to the drive motor; a movement member for linearly moving the movement object along with the rotation of the feed screw by the drive motor, the movement member being engaged with the feed screw; a detection section for detecting a situation in which the movement object is not moving; and a control section for, when the detection section has detected a situation in which the movement object is not moving, causing the drive section to output a drive pulse that causes the drive motor to rotate and vibrate.

Abstract: In one embodiment of a data storage device, the inside of its housing 111 is divided into first and second spaces 1 and 2 by a chassis 110. The data storage device includes at least one optical pickup 104 that writes data on a storage medium and a heat radiating member 109 which is thermally coupled to the optical pickup 104 to transfer the heat generated by the optical pickup 104. The optical pickup 104 and the heat radiating member 109 are arranged in the first and second spaces 1 and 2, respectively.

Abstract: In order to provide a stepping motor drive apparatus and a stepping motor driving method that attain a constant rotation angle per step at every angular position despite variations in load and that are free of rotational fluctuation, a drive control unit of a stepping motor drive apparatus drives a driving coil of one phase of a stepping motor (11) with a first drive signal (DS1) having a first absolute value, and at the same time, drives a driving coil of the other phase of the stepping motor with a second drive signal (DS2) having a second absolute value. The first absolute value and the second absolute value each have a value being different from each other's, and a ratio (d) between the first absolute value and the second absolute value is constant.

Abstract: An information recording/reproducing device is provided with a tray (3) having holders (2, 4) for holding a disc (9) on a disc placing part (11) by permitting the disc to overhang on a part of the disc placing part (11) in a vertically laid status. The information recording/reproducing device is provided with a means for detecting an abnormally mounted status, wherein the disc (9) is placed on the disc placing part (11) through the holding holders (2, 4), by comparing a number of rotations or load torque measured at a prescribed time after a rotating means (8) is started, a measured time required for the number of rotations to reach a fixed number of rotations or a drive current measured when the number of rotations became the prescribed umber of rotations, with a previously stored threshold value. Thus, detection of the abnormally mounted status can be completed for the disc prior to starting recording or reproducing operation.

Abstract: There is disclosed a water feed device capable of adding mineral components to for-treatment water in accordance with user's request to feed a variety of water including the mineral components from soft water to hard water. Furthermore, there is disclosed a water feed device capable of selecting a treatment function to be performed with respect to the for-treatment water in accordance with the type of water for use as the for-treatment water, a use situation and a purpose, to perform an optimum treatment. A water feed device S of the present invention includes a mineral addition treatment unit which has one or more mineral components and which adds the mineral components to the for-treatment water; and a control unit which has data concerning the one or more mineral components of mineral water and which controls the addition of the mineral components by the mineral addition treatment unit in accordance with the selected mineral water.

Abstract: An information recording/reproducing device is provided with a tray (3) having holders (2, 4) for holding a disc (9) on a disc placing part(11) by permitting the disc to overhang on a part of the disc placing part (11) in a vertically laid status. The information recording/reproducing device is provided with a means for detecting an abnormally mounted status, wherein the disc (9) is placed on the disc placing part (11) through the holding holders (2, 4), by comparing a number of rotations or load torque measured at a prescribed time after a rotating means (8) is started, a measured time required for the number of rotations to reach a fixed number of rotations or a drive current measured when the number of rotations became the prescribed umber of rotations, with a previously stored threshold value. Thus, detection of the abnormally mounted status can be completed for the disc prior to starting recording or reproducing operation.

Abstract: There is disclosed an air cleaning apparatus usable regardless of seasons, weather, environmental conditions and the like. The air cleaning apparatus brings air to be treated into contact with a cleaning solution including active oxygen species to purify the air to be treated includes a water tank which stores the cleaning solution, and a temperature controller which controls a temperature of the cleaning solution stored in the water tank. The temperature controller includes a heat exchanger as a cooling/heating unit which cools or heats the cleaning solution stored in the water tank, and controls the temperature of the cleaning solution into 0° C. or more to 40° C. or less.

Abstract: A drying apparatus having a purpose of shortening a drying time of laundry, comprising an accommodating chamber in which the laundry is accommodated, and executing a washing operation of the laundry and a drying operation after end of the washing operation in the accommodating chamber, the machine comprising: a refrigerant circuit in which a compressor, a gas cooler, an expansion valve, and an evaporator are successively connected to one another in an annular form via a piping; an air circulation path for discharging air which has exchanged heat with the gas cooler into the accommodating chamber by a blower to exchange the heat of the air passed through the accommodating chamber with the evaporator; and a control device for operating the compressor and the blower to perform the drying operation, wherein the control device starts the operation of the compressor before entering the drying operation.

Abstract: A motor controller includes DC motor, driving mechanism, voltage generator circuit and control unit. The driving mechanism moves an object having a predetermined mass against a load applied to the object and by transmitting a rotational force of the motor to the object. The voltage generator circuit generates first and second voltages. The first voltage is high enough to rotate the motor to such a degree as to get the object moved by the driving mechanism. The second voltage has the same polarity as the first voltage and has such amplitude as to prevent the motor from rotating either in a backward direction due to a cogging torque or in a forward direction. The control unit controls the voltage generator circuit in such a manner that the voltage generator circuit applies the second voltage to the motor after having applied the first voltage to the motor.

Abstract: An object is to provide an ozone production device capable of producing ozone in an electrolysis target liquid easily without performing any laborious assembly operation and with a high efficiency. In the ozone production device, a voltage is applied between an anode and a cathode, and ozone is produced in the electrolysis target liquid by electrolysis, the anode is integrated with the cathode via a predetermined interval without separating the anode from the cathode, and an electrolytic portion is constituted. Moreover, the anode and cathode comprise water-permeability members (mesh form) capable of passing the electrolysis target liquid.

Abstract: A drying apparatus having a purpose of shortening a drying time of laundry, comprising an accommodating chamber in which the laundry is accommodated, and executing a washing operation of the laundry and a drying operation after end of the washing operation in the accommodating chamber, the machine comprising: a refrigerant circuit in which a compressor, a gas cooler, an expansion valve, and an evaporator are successively connected to one another in an annular form via a piping; an air circulation path for discharging air which has exchanged heat with the gas cooler into the accommodating chamber by a blower to exchange the heat of the air passed through the accommodating chamber with the evaporator; and a control device for operating the compressor and the blower to perform the drying operation, wherein the control device starts the operation of the compressor before entering the drying operation.

Abstract: A motor controller includes DC motor, driving mechanism, voltage generator circuit and control unit. The driving mechanism moves an object having a predetermined mass against a load applied to the object and by transmitting a rotational force of the motor to the object. The voltage generator circuit generates first and second voltages. The first voltage is high enough to rotate the motor to such a degree as to get the object moved by the driving mechanism. The second voltage has the same polarity as the first voltage and has such amplitude as to prevent the motor from rotating either in a backward direction due to a cogging torque or in a forward direction. The control unit controls the voltage generator circuit in such a manner that the voltage generator circuit applies the second voltage to the motor after having applied the first voltage to the motor.

Abstract: A motor controller includes DC motor, driving mechanism, voltage generator circuit and control unit. The driving mechanism moves an object having a predetermined mass against a load applied to the object and by transmitting a rotational force of the motor to the object. The voltage generator circuit generates first and second voltages. The first voltage is high enough to rotate the motor to such a degree as to get the object moved by the driving mechanism. The second voltage has the same polarity as the first voltage and has such amplitude as to prevent the motor from rotating either in a backward direction due to a cogging torque or in a forward direction. The control unit controls the voltage generator circuit in such a manner that the voltage generator circuit applies the second voltage to the motor after having applied the first voltage to the motor.

Abstract: A safe having a good coefficient of performance is provided, and a refrigerating cycle and a refrigerating device in which the non-azeotropic refrigerant mixture is circulated are also provided. The non-azeotropic refrigerant mixture comprises a carbon dioxide and at least one kind of combustible refrigerants, and has a temperature glide. The refrigerating cycle, in which a compressor, a heat radiator, an expansion mechanism and an evaporator are connected by a refrigerant path, is characterized in that the above non-azeotropic refrigerant mixture is circuited in the refrigerating cycle. In addition, a refrigerating device comprises the above refrigerating cycle and a plurality of the evaporators, wherein an evaporator for use in a low temperature and an evaporator for use in a high temperature higher than the low temperature are arranged in series.

Abstract: A refrigerating device is provided in which a compressor, a gas cooler, an expansion mechanism and an evaporator are sequentially connected by using refrigerant pipes. The refrigerating device uses a refrigerant mixture in which a combustible nature refrigerant and a carbon dioxide refrigerant are mixed, and an amount of the carbon dioxide refrigerant in the mixture refrigerant is 20 to 50 mass %. Alternatively, a maximum fill amount of the combustible nature refrigerant is 150 g. Therefore, the refrigerating device has a higher coefficient of performance, a high refrigerating capacity and its safety is higher than that of using only hydrocarbon refrigerant.

Abstract: A brushless motor apparatus includes a motor section including delta-connected three-phase coils; a switching section electrically connected to the motor section via a line; and a driving section for controlling an ON state and an OFF state of the switching section so as to drive the motor section. In the brushless motor apparatus, r1+r2<2R, where r1 is an internal resistance of the switching section in an ON state, r2 is a resistance of the line connecting the motor section and the switching section, and R is a direct current resistance of each of the three-phase coils.

Abstract: A motor controller includes DC motor, driving mechanism, voltage generator circuit and control unit. The driving mechanism moves an object having a predetermined mass against a load applied to the object and by transmitting a rotational force of the motor to the object. The voltage generator circuit generates first and second voltages. The first voltage is high enough to rotate the motor to such a degree as to get the object moved by the driving mechanism. The second voltage has the same polarity as the first voltage and has such amplitude as to prevent the motor from rotating either in a backward direction due to a cogging torque or in a forward direction. The control unit controls the voltage generator circuit in such a manner that the voltage generator circuit applies the second voltage to the motor after having applied the first voltage to the motor.

Abstract: A brushless motor apparatus includes a motor section including delta-connected three-phase coils; a switching section electrically connected to the motor section via a line; and a driving section for controlling an ON state and an OFF state of the switching section so as to drive the motor section. In the brushless motor apparatus, r1+r2<2R, where r1 is an internal resistance of the switching section in an ON state, r2 is a resistance of the line connecting the motor section and the switching section, and R is a direct current resistance of each of the three-phase coils.