US 5,353,234 A · Computer aided designing system for designing a pattern for a printed circuit board

Abstract

A computer aided designing (CAD) system has an inputting section for inputting data including connection information and part information associated with circuit elements which belong to a plurality of circuit blocks which in combination constitute a single circuit, and a net list for combining a plurality of designed circuit diagrams each being representative of a respective one of the circuit blocks into a single circuit diagram. The data entered on the inputting section is stored in a storage. A data processing section reads the connection information and part information out of the storage to generate patterns of virtual printed circuit boards each being associated with a respective one of the circuit blocks, and reads the net list out of the storage to combine the patterns into a single pattern to be provided on a single printed circuit board.

Claims12

Dependent claims

A computer aided designing (CAD) system for designing a circuit pattern for a single printed circuit board, comprising:

inputting means for inputting circuit data for the single printed circuit board virtually fractioned into a plurality of fractioned circuit blocks each provided with connection information and designing data of circuit components into a storage area;
data processing means for designing in parallel a plurality of virtual printed circuit boards respectively on the basis of the plurality of fractioned circuit blocks, the virtual connection information and the designing data of circuit components being read out of said storage area;
combining means for combining the plurality of virtual printed circuit boards designed into the circuit pattern to be printed as the single printed circuit board in accordance with the virtual connection information read out of said storage area;
and
deleting means for deleting the virtual connection information upon completing the combination of the plurality of virtual printed circuit boards.

2 more elements

Dependencies are inferred from the claim text.

Computer aided designing system for designing a pattern for a printed circuit board

Life of this patent

Computer aided designing system for designing a pattern for a printed circuit board

Life of this patent

Abstract

Claims12