| Patent Number |
Title Of Patent |
Date Issued |
| 7280953 |
Noise countermeasure determination method and apparatus and storage medium |
October 9, 2007 |
| A noise countermeasure determination method includes the step of obtaining an analyzing circuit judgement result by judging acceptability of the analyzing circuit based on a comparison of features of the analyzing circuit and transmission circuit topologies, and outputting an improve |
| 7065480 |
Noise countermeasure determination method and apparatus and storage medium |
June 20, 2006 |
| A noise countermeasure determination method includes the steps of calculating recommended circuit information considered to minimize a noise by use of at least one formula, based on input circuit information amounting to at least one net of a target circuit which is to be subjected t |
| 6915249 |
Noise checking method and apparatus |
July 5, 2005 |
| In order to achieve augmentation of the accuracy in calculation of noise and augmentation of the accuracy in a noise check which is performed, for example, when an electronic circuit is designed and further realize significant reduction of the time required for a noise check and augm |
| 6662132 |
Noise analyzing method and apparatus and storage medium |
December 9, 2003 |
| A noise analyzing method analyzes a crosstalk noise based on circuit data in which buses having the same signal transmitting direction and buses having opposite signal transmitting directions are distinguished from each other, by analyzing the crosstalk noise only for the same signal |
| 5867810 |
Wiring device and wiring method |
February 2, 1999 |
| A wiring device and wiring method suitable for designing LSIs or printed boards or the like. The wiring device includes a wiring pattern editing unit for editing wiring patterns; a noise analyzing unit for analyzing a noise occurring when a circuit is operated according to the wiring |
| 5751597 |
CAD apparatus for LSI or printed circuit board |
May 12, 1998 |
| A CAD apparatus for designing wires for an LSI or a printed circuit board is improved in that it can detect and determine a wire which is very probably influenced by crosstalk noise accurately in a short time and allows to make it clear how to modify wires. The CAD apparatus comprises a |
| 5644500 |
Routing program generating method and apparatus therefor, placement program generating method an |
July 1, 1997 |
| This invention is directed to a method and apparatus to find out an optimum solution in automatic routing or automatic placement with certainty and at a high-speed to improve a routing rate, and to realize automatic routing in a high-density. To these end, a routing approach is selected |
| 5642286 |
Wiring CAD apparatus |
June 24, 1997 |
| A wiring CAD apparatus wherein a situation of a noticed event can be identified at a moment on a screen. The wiring CAD apparatus comprises a searching timing detection section for detecting a new displaying processing/deletion processing timing as a searching timing for a non-wired |
