| 摘要 |
PROBLEM TO BE SOLVED: To prevent correction omission of a symbol library in updating symbol library information on circuit diagram data. SOLUTION: A library preparing means 1 prepares a symbol library of a logical circuit. The symbol library 2 stores the latest symbol library information 32. A circuit diagram inputting means 3 outputs circuit diagram data 43. A circuit diagram data storing means 4 stores the circuit diagram data 43 and outputs circuit diagram data 39, symbol terminal information 19, and symbol ID 20. A symbol acquiring means 8 sequentially acquire the symbol IDs 20 and outputs a symbol ID 21, a symbol ID 30 and an update control signal 41. A symbol terminal information A acquiring means 5 inputs the symbol terminal information 19 and the symbol ID 21 and outputs terminal information 22. A terminal information A storing means 6 inputs the terminal information 22 and outputs terminal information 26.
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