Method and apparatus for visually indicating mask violation locations
US7652667B2 · kind B2 · utility
1Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 2004 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Sep 15, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/31708
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A digital storage oscilloscope having a display screen to display a waveform, and a mask defining compliant and non-compliant regions. A method of operating the oscilloscope includes receiving a signal, processing the signal, and displaying the signal on the screen. Portions of signals occupying the non-compliant region are displayed with a flashing illumination. The flashing illumination may be manually invoked to reveal small and inconspicuous violations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.