Abstract: The device to prevent cartridge incorrect insertion according to the present invention has a management information reading part wherein in the case where an information recording cartridge having a housing of substantially rectangular flat shape with a predetermined thickness that includes a notch for preventing incorrect insertion provided at one corner on right or left side in the foreside of the housing, a recording medium stored within the housing, a memory module that records management information therein, and an antenna for radio communication of the memory module disposed at a predetermined position with a displacement in the right or left direction in the rearward of the housing is inserted from its backside into a cartridge storage part, the management information reading part is disposed at the position so that it can perform radio communication with the memory module on a path through which an antenna for radio communication of the memory module passes, and a determining part that determines whet

Abstract: The battery 2 of the battery pack is temporarily held in a mold 30 to form a molded resin region 1, synthetic resin injected into the mold cavity 31 to form the molded resin region 1 attaches to the battery 2, and the molded resin region 1 attaches to a safety valve opening surface 20 established at the battery safety valve opening region 9. Further, insulating material 15 is attached at the interface between the battery safety valve opening surface 20 and the molded resin region 1 in a position which closes off the safety valve opening region 9.

Abstract: The device to prevent cartridge incorrect insertion according to the present invention has a management information reading part wherein in the case where an information recording cartridge having a housing of substantially rectangular flat shape with a predetermined thickness that includes a notch for preventing incorrect insertion provided at one corner on right or left side in the foreside of the housing, a recording medium stored within the housing, a memory module that records management information therein, and an antenna for radio communication of the memory module disposed at a predetermined position with a displacement in the right or left direction in the rearward of the housing is inserted from its backside into a cartridge storage part, the management information reading part is disposed at the position so that it can perform radio communication with the memory module on a path through which an antenna for radio communication of the memory module passes, and a determining part that determines whet

Abstract: The battery of the battery pack is temporarily held in a mold to form a molded resin region, synthetic resin injected into the mold cavity to form the molded resin region attaches to the battery, and the molded resin region attaches to a safety valve opening surface established at the battery safety valve opening region. Further, insulating material is attached at the interface between the battery safety valve opening surface and the molded resin region in a position which closes off the safety valve opening region.