Signal transition detection circuit
US4587448A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 27, 1983 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Jul 27, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K5/1534
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A signal transition detection circuit detects a transition which satisfies predetermined criteria related to magnitude and time. These criteria include that the magnitude of a group of signal samples preceeding the transition and a group thereof following the transition each be relatively close in magnitude and that the difference between the magnitudes of signal samples preceeding and following the transition be at least a predetermined amount. Further, detection criteria are included to test for smoothness and monotonicity of the transition and to exclude detection of transitions having magnitude changes exceeding a predetermined amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.