Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】電子機器の記憶装置
Document Type and Number:
Japanese Patent JP2527485
Kind Code:
B2
Abstract:
PURPOSE:To judge the adaptability of a substrate by providing the substrate with a connection part, which adapts concealed terminals of the substrate and a part of memory terminals to a concealed terminal detecting circuit to connect them, so that the connection part is concealed from the external. CONSTITUTION:Only in the case of an IC card 6 which has concealed terminal 919 and 921 connected to specific memory terminals 914 to 918 at the time of connecting a PC board 10 of the IC card 6 and a storage circuit 12 to a connector 5 of an electronic equipment 1 and a control circuit 2 of the electronic equipment 1 respectively, concealed terminals 919 and 921 are connected to an AND gate 4 through connector terminals 514 to 518. They are earthed through a connection part 13, memory terminals 914 to 918, and connector terminals 514 to 518 to close a reset circuit 14 as the concealed terminal detecting circuit. Thus, matching between the electronic equipment 1 and the IC card 6 is confirmed.

Inventors:
Takahisa Hirano
Application Number:
JP29036289A
Publication Date:
August 21, 1996
Filing Date:
November 08, 1989
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Tech Co., Ltd.
International Classes:
G06F12/14; G06F21/10; G06F21/60; G06K17/00; G06K19/073; (IPC1-7): G06F12/14; G06K17/00; G06K19/073
Domestic Patent References:
JP1276253A
JP62165289A
Attorney, Agent or Firm:
Akira Kashiwagi