Microprocessor automatic program fail reset circuit
US4563672A · kind A · utility
1Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 7, 1984 |
| Grant date | Jan 7, 1986 |
| Priority date | — |
| Expiry date | Feb 7, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B29/18
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In a microprocessor controlled fire alarm system, a chain of continuous pulses is generated by the microprocessor. The chain of continuous pulses is monitored, and if there is an interruption in the chain of continuous pulses a signal is generated to automatically reset the microprocessor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.