Information storage system including state-designating area on memory card and detecting presence or absence of state-designating member on state-designating area to inhibit or allow writing of information

  • US 6,292,850 B1
  • Filed: 08/12/1999
  • Issued: 09/18/2001
  • Est. Priority Date: 02/03/1995
  • Status: Expired due to Fees
First Claim
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1. An information storage card comprising:

  • a support card having a first recess on a first surface thereof and a second recess on the first surface thereof, the second recess including a non-conductive material and being adapted to receive therein a state-designating member; and

    a nonvolatile semiconductor module for storing information, located in the first recess, the nonvolatile semiconductor module having a flat type connection terminal exposed to an exterior, wherein the second recess has a substantial area with respect to the flat type connection terminal.

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