Device for measuring the duration of a time interval
US5570326A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 14, 1994 |
| Grant date | Oct 29, 1996 |
| Priority date | — |
| Expiry date | Jun 14, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R29/0273
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring the duration of a time interval between an interval start signal (D) and an interval end signal (F). The device includes a digital circuit having first and second clocks (C1, C2) for counting the number of clock pulses between the interval start signal (D) and the interval end signal (F), an analog circuit for measuring the time separating the interval start signal (D) from a clock pulse following the interval start signal, and also for measuring the time separating the interval end signal (F) and a clock pulse following the interval end signal, and a processing circuit for determining the duration of the time interval based upon data supplied the digital circuit and data supplied by the analog circuit (previously converted into digital data). Particular utility for the present invention is found in the area of robotics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.