Abstract: Welding conditions are set for a power supply apparatus for use with a welding machine, using a control panel unit (96). A memory (105) stores therein welding conditions as set through the control unit (96), and holds the set welding conditions after turning off of a main power supply switch (1) of the power supply apparatus. Upon turning on of the main power switch (1) for starting welding, the welding conditions stored and held in the memory (105) are read out and set in the power supply apparatus.

Abstract: One of a plurality of voltages is adapted to be applied to power supply terminals (2a, 2b, 2c). A rectifying circuit (6) rectifies the applied voltage and develops a rectified voltage between the output terminals (6a, 6b) thereof. Inverters (16a, 16b) are connected into one of a plurality of inverter connections between the rectifier output terminals (6a, 6b) in response to one of a plurality of inverter connection indicative signals. The inverter connections are set to correspond to respective ones of the plurality of voltages, so that a predetermined voltage can be applied to each inverter whichever one of the plurality of voltages is applied to the power supply terminals. An inverter connection indicative signal generating circuit (34) is manually operated to generate a desired one of the inverter connection indicative signals. A thyristor (8) is disposed between the rectifier output terminals (6a, 6b) and the inverters (16a, 16b).

Abstract: A welder power supply apparatus (10) includes an inverter (20), which is driven intermittently when an electrode (34) and a workpiece (36) are separated from each other and no arc is being generated between them, whereby power loss generated in the inverter (20) when the inverter (20) is driven in the non-load state of the power supply apparatus and power loss caused by exciting current flowing through an transformer (24) disposed in the output of the inverter (20) can be reduced. The inverter (20) is driven continuously when output current (Io) becomes higher than a threshold value (Ib) after the electrode (34) and the workpiece (36) are brought into contact with each other for starting arcing between them.

Abstract: A liquid crystal display device includes a liquid crystal panel including a plurality of liquid crystal cells, a common voltage generation circuit that supplies a common voltage to the liquid crystal panel, a liquid crystal drive circuit that implements control for supplying said plurality of liquid crystal cells with voltage that accords with a video signal to display an image on the liquid crystal panel, and for reversing a polarity of the voltage supplied to the plurality of liquid crystal cells, and an adjustment module that stores characteristics data for correcting fluctuations in brightness and, based on said characteristics data, adjusts the brightness of the image displayed on the liquid crystal panel.

Abstract: An opening is formed in a case. Air is caused to flow through the interior of the case. A panel closes the opening. A printed circuit board is disposed behind the panel within the case. A plurality of components, including a control device which can be operated on the front surface of the panel and a display device providing a display viewable on the front surface of the panel, are mounted on the printed circuit board. The printed circuit board is enclosed in a closed receptacle disposed within the case.

Abstract: One of a plurality of voltages is adapted to be applied to power supply terminals (2a, 2b, 2c). A rectifying circuit (6) rectifies the applied voltage and develops a rectified voltage between the output terminals (6a, 6b) thereof. Inverters (16a, 16b) are connected into one of a plurality of inverter connections between the rectifier output terminals (6a, 6b) in response to one of a plurality of inverter connection indicative signals. The inverter connections are set to correspond to respective ones of the plurality of voltages, so that a predetermined voltage can be applied to each inverter whichever one of the plurality of voltages is applied to the power supply terminals. An inverter connection indicative signal generating circuit (34) is manually operated to generate a desired one of the inverter connection indicative signals. A thyristor (8) is disposed between the rectifier output terminals (6a, 6b) and the inverters (16a, 16b).

Abstract: Plural LDs 6 are series-connected and pump a solid-state pumping medium 7. Each of bypass circuits 15 is connected in parallel to an associated one of the LDs 6. An operation of driving each of the bypass circuits 15 is controlled by a control circuit 14. A detection circuit 13 is provided corresponding to each of the LDs 6 and detects a short circuit failure and an open failure of each of the LDs 6 according to a voltage developed thereacross or the like. The detection circuit 13 and the control circuit 14 are connected to and are controlled by an LD shortcircuit control circuit 11. In a case where a failure of the LD is detected by the detection circuit 13, the LD shortcircuit control unit 11 determines the position of the failed LD to bypass electric current having flowed through the failed LD. Then, the control circuit 11 sends a signal to a predetermined control circuit 14 to thereby operate a predetermined bypass circuit 15.

Abstract: A power supply system is provided, having: a primary side coil; a power transmission apparatus having a primary side circuit for feeding a pulse voltage resulted from switching a DC voltage which is obtained by rectifying and smoothing a commercial power supply to the primary side coil; a secondary side coil magnetically coupled to the primary side coil; and power reception equipment having a secondary side circuit for rectifying and smoothing voltage induced across the secondary side coil, wherein there is provided a power adjusting section for adjusting a level of power to be transmitted according to power required by the power reception equipment.

Abstract: An opening is formed in a case. Air is caused to flow through the interior of the case. A panel closes the opening. A printed circuit board is disposed behind the panel within the case. A plurality of components, including a control device which can be operated on the front surface of the panel and a display device providing a display viewable on the front surface of the panel, are mounted on the printed circuit board. The printed circuit board is enclosed in a closed receptacle disposed within the case.

Abstract: An ophthalmic treatment method for inhibiting death of retinal constitutive cells of an eye by stimulating the cells includes a first step of placing a positive electrode and a negative electrode in such positions outside the eye that the electrodes provide electrical stimulation to the cells, at least one of the electrodes being placed on one of a cornea and sclera of the eye; and a second step of generating an electrical stimulation pulse having an electric current set at 20 ?A or more but not exceeding 300 ?A from each placed electrode.

Abstract: A secondary power source comprising a positive electrode made mainly of activated carbon, a negative electrode made mainly of a carbon material capable of doping and undoping lithium ions and an organic electrolyte containing a solute of a lithium salt, wherein the lithium salt comprises LiN(SO2Rf1) (SO2Rf2) wherein each of Rf1 and Rf2 which are independent of each other, is a C1-6 perfluoroalkyl group except Rf1?Rf2?CF3.

Abstract: An ophthalmic treatment apparatus includes an electrode which is set on a place to apply electrical stimulation to cells constituting a retina; and an electrical stimulation pulse generator which is connected to the electrode, for generating, from the electrode, a predetermined electrical stimulation pulse whose electric current is set at 20 ?A or more but not exceeding 300 ?A.

Abstract: Welding conditions are set for a power supply apparatus for use with a welding machine, using a control panel unit (96). A memory (105) stores therein welding conditions as set through the control unit (96), and holds the set welding conditions after turning off of a main power supply switch (1) of the power supply apparatus. Upon turning on of the main power switch (1) for starting welding, the welding conditions stored and held in the memory (105) are read out and set in the power supply apparatus.

Abstract: An IGBT (16) intermittently interrupts a current from a positive terminal (12P) of a DC supply (2) to a workpiece (24). An IGBT (20) intermittently interrupts a current from a negative terminal (12N) of the DC supply (2) to the workpiece (24). A control circuit (32) and a drive signal generating circuit (34) ON-OFF control the IGBTs (16, 20). The control circuit (32) causes the drive signal generating circuit (34) to control the IGBTs (16, 20) in such a manner as to provide a repetition of a cycle consisting of an AC period during which the IGBTs (16, 20) are alternately rendered conductive, and a DC period following the AC period during which the IGBT (16) is rendered continuously conductive.

Abstract: A secondary power source, which comprises a positive electrode containing activated carbon, a negative electrode containing a carbon material capable of doping and undoping lithium ions, and an organic electrolyte containing a lithium salt, wherein the negative electrode has a density of from 0.6 to 1.2 g/cm3.

Abstract: An infrared shielding glass coated with an infrared shielding film which is excellent in heat resistance and exhibits high visible light transmittance, low infrared transmittance (especially infrared transmittance in a near infrared region) and high electromagnetic wave transmittance. An infrared shielding glass comprising a glass substrate having at least one surface thereof coated with a coating liquid containing fine particles of conductive oxide and a matrix component to thereby provide an infrared shielding film, characterized in that the infrared shielding glass exhibits a transmittance at a wavelength of 1.0 ?m of at most 35% and a transmittance at a wavelength of 2.0 ?m of at most 20% and that the infrared shielding film has a surface resistivity of at least 1 M?/?.

Abstract: A power supply system according to the present invention comprises: a primary side coil; a power transmission apparatus having a primary side circuit for feeding a pulse voltage resulted from switching a DC voltage which is obtained by rectifying and smoothing a commercial power supply to the primary side coil; a secondary side coil magnetically coupled to the primary side coil; and power reception equipment having a secondary side circuit for rectifying and smoothing voltage induced across the secondary side coil, wherein there is provided a power adjusting section for adjusting a level of power to be transmitted according to power required by the power reception equipment.

Abstract: A secondary power source, which comprises a positive electrode containing activated carbon, a negative electrode containing Li4Ti5O12, and an organic electrolyte containing a lithium salt.

Abstract: A power supply apparatus has a case (94) with a control panel (96) mounted thereon. Plural controllers are disposed on the panel (96). A cover (98) is mounted to cover and uncover the panel (96). One (66) of the controllers is so disposed as to be externally operable.

Abstract: A print service support system for supporting print service for producing prints related to data while delivering the data among a plurality of agencies including a unit for accepting information for specifying the plurality of agencies, a unit for generating project information as information for specifying agencies to carry out a project to specify the plurality of agencies and remarkable machine information for specifying a given remarkable print output machine, a selection unit for selecting at least one piece of the information for specifying the agencies, which information is included in the generated project information, a unit for generating device link profile information for the agency including information for simulating color reproducibility of the remarkable print output machine using a print output machine, and information for specifying the agency, and a storage unit for storing the generated device link profile information.