Abstract: A dynamic wireless power transfer system includes a power transmission coil, a power transmission circuit, a power reception coil, a power reception circuit, and a relay circuit. The power transmission coil is provided in a road. The power transmission circuit supplies electric power to the power transmission coil. The power reception coil is provided in a vehicle. The power reception circuit is connected to the power reception coil. The relay circuit transfers electric power between the power transmission coil and the power reception coil in a contactless manner.

Abstract: A compound represented by formula (I) or formula (II): in formula (I), R3 represents an electron donating group, R4 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L3 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L4 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L3 and L4 may bond together to form a ring with the carbon atoms to which they are bonded, in formula (II), R5 represents an electron donating group, R6 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L5 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L6 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group.

Abstract: A compound represented by formula (I) or formula (1I): in formula (I), R3 represents an electron donating group, R4 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L3 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L4 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L3 and L4 may bond together to form a ring with the carbon atoms to which they are bonded, in formula (II), R5 represents an electron donating group, R6 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L5 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L6 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group.

Abstract: A compound represented by formula (I) or formula (II): in formula (I), R3 represents an electron donating group, R4 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L3 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L4 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L3 and L4 may bond together to form a ring with the carbon atoms to which they are bonded, in formula (II), R5 represents an electron donating group, R6 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L5 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L6 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group.

Abstract: A compound represented by formula (I) or formula (1I): in formula (I), R3 represents an electron donating group, R4 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L3 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L4 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L3 and L4 may bond together to form a ring with the carbon atoms to which they are bonded, in formula (II), R5 represents an electron donating group, R6 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L5 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L6 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group.

Abstract: A compound represented by formula (I) or formula (II): in formula (I), R3 represents an electron donating group, R4 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L3 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L4 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L3 and L4 may bond together to form a ring with the carbon atoms to which they are bonded, in formula (II), R5 represents an electron donating group, R6 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L5 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L6 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group.

Abstract: A compound represented by formula (I) or formula (1I): in formula (I), R3 represents an electron donating group, R4 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L3 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L4 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L3 and L4 may bond together to form a ring with the carbon atoms to which they are bonded, in formula (II), R5 represents an electron donating group, R6 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L5 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L6 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group.

Abstract: An object of the present invention is to provide crystal polymorphs which have a high bulk density and are excellent in storage stability, among crystal polymorphs of a glutamic acid benzyl ester N-carboxylic anhydride. According to the present invention, the crystal polymorphs of glutamic acid benzyl ester N-carboxylic anhydride that have a bulk density of 0.45 g/cm3 or higher can be obtained by dissolving glutamic acid benzyl ester N-carboxylic anhydride in a solvent which has been heated at a temperature equal to or higher than 40° C. and lower than a boiling point thereof and is in an amount of 0.5 L or more per mol of the glutamic acid benzyl ester N-carboxylic anhydride, adding a poor solvent which is in an amount of 1.4 L or more per mol of the glutamic acid benzyl ester N-carboxylic anhydride at a temperature equal to or higher than 40° C. and lower than a boiling point thereof, precipitating crystals at a temperature equal to or higher than 40° C.

Abstract: A television intercom system need not prepare two kinds of electric power source adaptors even when it is equipped with an expanded monitor master station, and need not either use an electric power source adaptor having a large capacity. In the television intercom system, a picture bus controller supplies electric power sources to a camera-equipped entrance substation, a monitor master station and an expanded monitor master station, and a picture picked up by the camera-equipped entrance substation is displayed on the monitor master station and the expanded monitor master station.

Abstract: An electromagnetic drive has a sliding portion and a stator, the stator forming a magnetic circuit in combination with the sliding portion. The stator has an accommodating portion for supporting the sliding portion so the sliding portion can reciprocate inside the accommodating portion. A magnetic attractive force is generated by a coil to attract the sliding portion in one of the reciprocating directions. The coil generates a magnetic attractive force when energized such that either one or both of at least an outer peripheral wall of the sliding portion and at least an inner peripheral wall of said accommodating portion forms a magnetic portion made of nickel phosphide. The phosphorus content of said magnetic portion is set within a range of 5% to 15% in mass percentage.

Abstract: The invention makes it possible to call a resident of collective housing even when the apartment number of the resident is unknown. A collective housing entrance substation is connected to residential master stations through a controller, and a name retrieval module is connected to the controller. The name retrieval module has a memory in which a name and/or apartment number of a resident is registered in advance, a button operable to display the name and/or apartment number of the resident registered in advance, a name indicator for display of the name and/or apartment number of the resident registered in advance, and a call button that is operated with display of the proper name and/or apartment number to call the residential master station of the resident.

Abstract: An electromagnetic drive has a sliding portion and a stator, the stator forming a magnetic circuit in combination with the sliding portion. The stator has an accommodating portion for supporting the sliding portion so the sliding portion can reciprocate inside the accommodating portion. A magnetic attractive force is generated by a coil to attract the sliding portion in one of the reciprocating directions. The coil generates a magnetic attractive force when energized such that either one or both of at least an outer peripheral wall of the sliding portion and at least an inner peripheral wall of said accommodating portion forms a magnetic portion made of nickel phosphide. The phosphorus content of said magnetic portion is set within a range of 5% to 15% in mass percentage.

Abstract: An electromagnetic valve device reduces wear of a moving member and a non-magnetic member sliding against the moving member and prevents contamination from contacting the sliding part. The moving member is directly and movably supported in a reciprocating manner by a non-magnetic cup. The moving member has a hard layer made of nickel containing PTFE (polytetrafluoroethylene) particles at the sliding part located against the cup. The hardness of the hard layer is high and is approximately the hardness of the stainless steel cup. Therefore, the wear of both the moving member and the cup can be reduced. The hard layer contains the PTFE particles, and therefore the sliding part between the moving member and the cup is lubricated by the PTFE, which reduces the sliding resistance at the sliding part and improves the responsiveness of the device.

Abstract: An intercom system for a building or apartment house includes at least one main entrance station 1 which is installed at an entrance or the like of a building or an apartment house, a plurality of residential master stations 2 which are respectively installed inside a plurality of residences in the building or apartment house for receiving calls and talking with the main entrance station 1, a common line 3 which connects the main entrance station 1 and respective residential master stations 2 in parallel, a line power supply 4 which supplies direct current power, for example, DC 24 V to the main entrance station 1 and respective residential master stations 2 through the common line 3, an electronic door lock 5 which is connected to the main entrance station 1 for locking and releasing an entrance door of a main entrance, and a plurality of call switches 6 connected to respective residential master stations 2 and mounted on front doors of respective residences for operation by a visitor.

Abstract: The present invention provides a method of forming a zinc coating that can form a chromate film, capable of withstanding hydrogen embrittlement-preventive treatment, by optimizing the conditions under which chromating is conducted.

Abstract: A lubrication-treating process for an Al or Al alloy material is carried out by cleaning the material; applying an anodic oxidation to the cleaned material surface to form a 3 to 30 &mgr;m thick anode oxidation coating; and forming a lubrication coating including a polyester resin (30 to 70 mass parts), a particulate PTFE (30 to 70 mass parts) and ceramic (alumina) particles (0.5 to 5 mass parts), and 2 to 20 &mgr;m thick, to thereby impart excellent resistances to adhesion and seizure, and a low friction, to the Al or Al alloy material at a low cost and with no or a very low pollution of the environment.

Abstract: The invention makes it possible to call a resident of collective housing even when a room number of the resident is unknown. A collective housing entrance substation is connected to residential master stations through a controller thereof, and a name retrieval module is connected to the controller, the name retrieval module having a memory in which a name and/or room number of a resident is registered in advance, a button operated to display the name and/or room number of the resident registered in advance, a name indicator for displaying the name and/or room number of the resident registered in advance, and a call button that is operated with the name and/or room number of the resident registered in advance displayed to call the residential master station of the resident.

Abstract: A television intercom system need not prepare two kinds of electric power source adaptors even when it is equipped with an expanded monitor master station, and need not either use an electric power source adaptor having a large capacity. In the television intercom system, a picture bus controller supplies electric power sources to a camera-equipped entrance substation, a monitor master station and an expanded monitor master station, and a picture picked up by the camera-equipped entrance substation is displayed on the monitor master station and the expanded monitor master station.

Abstract: An electromagnetic valve device reduces wear of a moving member and a non-magnetic member sliding against the moving member and prevents foreign matter from contacting the sliding part. The moving member is directly and movably supported in a reciprocating manner by a non-magnetic cup. The moving member has a hard layer made of nickel containing PTFE (polytetrafluoroethylene) particles at the sliding part located against the cup. The hardness of the hard layer is high and is approximately the hardness of the stainless steel cup. Therefore, the wear of both the moving member and the cup can be reduced. The hard layer contains the PTFE particles, and therefore the sliding part between the moving member and the cup is lubricated by the PTFE, which reduces the sliding resistance at the sliding part and improves the responsiveness of the device.

Abstract: An intercom system for mansion/apartment house of the present invention can achieve the power saving by suppressing a current consumption at the time of calling by a visitor standing at a main entrance or a residential front door or at the time of locking or releasing an electric door lock which is mounted on a front door of the main entrance and can ensure the favorable talk quality by suppressing howling. To a common bus, at least one main entrance station including a talk module for performing calling and talking and at least one switch module being connected to the talk module and having a call switch for performing selecting of a station, a bus controller for supplying a power to a common bus, and a plurality of residential master stations for performing calling and talking with the main entrance station are connected in parallel respectively.