Abstract: A rectangular cartridge that is substantially common in shape and external size with a disc cartridge in which a flexible magnetic disc with a diameter of 3.5 inches is accommodated, wherein at one side of the cartridge there is formed an insertion hole which permits insertion of a substantially rectangular plate-shaped memory and is adapted so that the plate-shaped memory is inserted with the short side as the insertion side. Further, there is formed a memory attaching portion substantially in correspondence with a long side of the plate-shaped memory in a manner continuous to the memory insertion hole and in parallel to the side adjacent to the side where the memory insertion hole is formed. In addition, a group of terminals for connection to terminals of the plate-shaped memory are provided at the terminating portion of the memory attaching portion.

Abstract: An authentication apparatus avoiding illegitimate authentication procedures performed based on illegitimately acquired personal ID information of other parties is provided. An authentication apparatus 50 receives personal ID information ID1 of an orderer 31, personal ID information ID2 of a vendor 33, and transaction information by an authentication request from an orderer terminal 11, communicates with a vendor terminal 15, then transmits authentication information indicating a legitimacy of the vendor 33 to the orderer terminal 11.

Abstract: Disclosed is an iron golf club set which comprises a plurality of golf clubs of different counts, each golf club having a steel shaft, wherein a steel shaft of a shorter golf club is set heavier than that of a longer golf club; a step formation region is provided in a position having an equal distance for all of the golf clubs from a grip end in a shaft axial direction, the step formation region having a shaft outer diameter changed in a plurality of steps therein; a specific area is set in a position having an equal distance for all of the golf clubs from a sole end of a head in the shaft axial direction, and is nearer to a grip with respect to a shaft full length in the step formation region of each golf club; and a step interval in the specific area is set narrower than that outside the specific area.