Monitoring apparatus
US4319147A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1980 |
| Grant date | Mar 9, 1982 |
| Priority date | — |
| Expiry date | Jan 17, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R19/165
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Monitoring apparatus for producing an output in response to a predetermined condition comprising bistable means (4) having a set input, a reset input and an output; trigger means (2, 6) for applying a first train of pulses (.phi..sub.1) to one of the inputs of the bistable means and for applying a second train of pulses of the same frequency as and different phase to the first train of pulses to the other input of the bistable means in response to a predetermined condition: and an output device (8) responsive to oscillation of the bistable means between its stable states.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.