Abstract: A battery system for a power tool includes two or more battery packs (12), at least one battery holder (14) adapted to detachably engage two or more of the battery packs and a charger (16, 216, 316, 416) adapted to detachably engage the battery holder and to simultaneously electrically communicate with two or more of the battery packs while the at least one battery holder engages both the charger and the battery packs.

Abstract: In a battery pack for an electric vehicle, since a cooling air suction port (48a) is provided in the vicinity of an end part, on the downstream side in a direction of flow of cooling air, of a battery case (24) so as to oppose the direction of flow, cooling air is in full contact with the battery case (24) before flowing into the cooling air suction port (48a), and dust or water contained in cooling air can be made to adhere to the battery case (24) and removed, thus preventing dust or water from entering the interior of the battery case (24).

Abstract: In a battery pack for an electric vehicle, since a cooling air suction port of a suction duct that sucks cooling air into a cooling passage formed in an interior of a battery case is disposed between a vehicle compartment and the battery case beneath the vehicle compartment, the cooling air suction port can be disposed at a relatively high position, and due to it being covered by the battery case and the vehicle compartment , it can be made difficult for dirt or water splashed up from below by a wheel or dirt or water falling from above to be sucked from the cooling air suction port into the battery case.

Abstract: To obtain the irradiation magnetic field distribution of each channel of a multichannel transmission RF coil at high speed, for multiple channels which are all or some of the channels of the transmission coil, an image is acquired by irradiation with one channel or a combination of two or more channels, an irradiation magnetic field distribution upon irradiation with all of the multiple channels is acquired, and the irradiation magnetic field distribution of each channel is calculated using the acquired irradiation magnetic field distribution of all of the multiple channels and the phase difference calculated from the image of each channel and the image of all of the multiple channels.

Abstract: An adapter for a power tool powered by a detachable battery pack includes a connector for directly connecting the adapter only to the power tool in a detachable manner, a controller, at least one memory and/or storage device in communication with the controller, and at least one communication port configured to transmit electrical communications from the adapter controller to a controller located in the power tool and vice versa. The adapter is further configured such that, when a battery pack, which also includes a controller, is connected to the power tool, a communication path is established from the battery pack controller to the adapter controller via the power tool controller.

Abstract: An adapter for a power tool powered by a detachable battery pack which adapter includes a connector configured to detachably connect the adapter directly to the power tool, an adapter controller, at least one memory and/or storage device in communication with the adapter controller and configured to store maintenance information concerning the battery pack or to store maintenance information concerning the battery pack and the power tool, at least one communication port configured to transmit electrical communications, including said maintenance information, from the adapter controller to a controller located in the power tool and vice versa, and a transmitter configured to wirelessly transmit the maintenance information to an external device.

Abstract: A charger for a hand-held power tool includes a power source interface, a charger base and a charging cradle rotatably supported on the charger base. The rotatable charging cradle includes at least two charging output terminals electrically connected to the power source interface. A power tool system includes the charger and the hand-held power tool. A method of charging the power tool system includes contacting charging input terminals of the power tool with the charging output terminals, rotating the charging cradle and the power tool relative to the charging base and supplying charging current to at least one battery cell while the charging cradle and the power tool are allowed to freely swing relative to the charging base.

Abstract: A power tool system includes a hand-held power tool having a motor or a solenoid that drives a tool, and a first memory that stores at least one pass code. A battery pack is detachably attached to, and supplies current to, the power tool and has a second memory that stores at least one pass code. An electronically-actuatable lock and a first controller are provided in the power tool and/or in the battery pack. The first controller reads the pass codes from the first and second memories when the battery pack is attached to the power tool, directly compares the pass codes from the first memory and the second memory, and causes the first electronically-actuatable lock to prohibit or impair operation of the power tool when the pass codes do not match or otherwise correspond in a predetermined manner.

Abstract: A method for recharging a battery pack includes attaching a portable charger to a user, which portable charger includes or is attached to a self-contained power supply and wherein a first charging port of the portable charger is disposed, e.g., on a belt worn by the user, hanging the battery pack on the belt while the battery pack is physically engaged and in electrical communication with a power tool, and initiating a transfer of power from the charger to the battery pack when the first charging port is at least proximal to a second charging port that is in electrical communication with at least one battery cell of the battery pack. A portable charging system capable of performing this method, as well as an adapter for use in performing this method, are also disclosed.

Abstract: A power tool system includes a hand-held power tool having a housing with a battery pack interface, an electrically-driven device and a first connector. A battery pack is detachably attached to the battery pack interface and supplies current to the electrically-driven device. An adapter has a second connector physically and electrically connected with the first connector in a detachable manner. The adapter receives power from the battery pack via the hand-held power tool and provides at least one additional electrical function to the hand-held power tool or performs at least one additional electrical function that the hand-held power tool is not otherwise capable of performing. Further, the adapter is at least partially disposed in a space defined in part by the housing and in part by the battery pack when the housing and battery pack are attached to each other.

Abstract: A battery pack adapted to be attached to, and drive, a hand-held power tool includes a plurality of series-connected battery cells having a nominal power output of at least 300 Watts. The battery pack weighs less than 275 grams and has a nominal power output to weight ratio of at least at least 1100 Watts/kilogram. A power tool system or kit includes such a battery pack and a hand-held, battery-powered tool adapted to operate with a battery pack having a nominal power output of 600 Watts or more.

Abstract: A magnetic resonance imaging apparatus comprises: static magnetic field generation means which generates a static magnetic field in an imaging space where an object to be examined is placed; gradient magnetic field generation means which generates a gradient magnetic field in the imaging space; high-frequency magnetic field generation means which generates a high-frequency magnetic field in the imaging space; calculation means which calculates an amount of the electromagnetic wave absorbed by the object when the high-frequency magnetic field is irradiated to the object; and a measurement means which measures a characteristic of the high-frequency magnetic field generation means. The calculation means calculates the amount of the electromagnetic wave absorbed by the object according to the characteristic of the high-frequency magnetic field generation means measured by the measurement means.

Abstract: There is provided an MRI apparatus capable of measuring the B1 distribution of an RF transmission coil in a short time with high accuracy. In order to realize this, imaging means of the MRI apparatus includes a B1 distribution measurement sequence that includes an application of a pre-pulse by RF radiation means and a plurality of signal acquisition sequences with different elapsed time (TI) from the pre-pulse. The signal acquisition sequence uses a pulse having a small flip angle as an RF pulse and is executed before the longitudinal relaxation after the pre-pulse ends. Calculation means calculates the B1 distribution of the RF radiation means using image data with different TI acquired in the respective signal acquisition sequences.

Abstract: Desired imaging is performed within the SAR restriction without changing the imaging conditions set in advance when SAR exceeds an upper limit. In order to do so, in imaging of an object performed by combination of a plurality of pulse sequences, a SAR graph showing a temporal change in the predicted SAR value of each pulse sequence is displayed. When the predicted SAR value of the pulse sequence is the same as or exceeds the upper SAR limit, the exchange of such pulse sequences or the insertion of a waiting time is performed.

Abstract: In order to further improve the accuracy of SAR estimation by accurately estimating, for each object, the energy of RF pulses absorbed into a part of an object, for example, a head, on the basis of measurement performed before main imaging, a nuclear magnetic resonance imaging apparatus estimates a head SAR by calculating a signal Sh generated from the head and a signal Sb generated from the whole object, calculating the ratio ? between the signal generated from the head and the signal generated from the whole object, and calculating the energy Eh absorbed into the head using the ratio of the signals.

Abstract: An electric power tool comprises a tool main body, a plurality of battery packs that is detachably attached to the tool main body, and a controller that controls discharges of the battery packs attached to the tool main body. Each battery pack comprises a memory device that stores characteristic data of the rechargeable cell. The controller accesses each of the memory devices of the battery packs and controls the discharges of the battery packs based upon the characteristic data stored in the memory devices.

Abstract: A magnetic resonance imaging apparatus comprises: static magnetic field generation means which generates a static magnetic field in an imaging space where an object to be examined is placed; gradient magnetic field generation means which generates a gradient magnetic field in the imaging space; high-frequency magnetic field generation means which generates a high-frequency magnetic field in the imaging space; calculation means which calculates an amount of the electromagnetic wave absorbed by the object when the high-frequency magnetic field is irradiated to the object; and a measurement means which measures a characteristic of the high-frequency magnetic field generation means. The calculation means calculates the amount of the electromagnetic wave absorbed by the object according to the characteristic of the high-frequency magnetic field generation means measured by the measurement means.

Abstract: A ceiling-mounting suspension device (1) for a projector according to the present invention includes a ceiling-mounting suspension metal fitting unit having a fixing part to be fixed to a ceiling and a holding part configured to hold a projector (11), and a dust prevention unit (3) detachable from and attachable to said ceiling-mounting suspension metal fitting unit, said dust prevention unit including a dustproof filter (3a).

Abstract: The invention relates to printing print data and advertisement data and charging for the printing so that a printing fee is reduced in accordance with the printing of the advertisement data. A size of the advertisement data to be printed is input and the advertisement data and the input size are transmitted to a control apparatus. The control apparatus receives a print sheet size designation and output information, determines a layout which corresponds to a type of the output information, to secure an advertisement area for printing the advertisement data on the determined layout. The advertisement data is selected in accordance with the secured size in the layout, and at least one of a number of times of printing the advertisement data, a unit price of the advertisement data, print position settings of the advertisement data, a size adjusting method of the advertisement data, and an arrangement orientation of the advertisement data.