Train vehicle control microprocessor power reset
US4247897A · kind A · utility
9Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1979 |
| Grant date | Jan 27, 1981 |
| Priority date | — |
| Expiry date | Oct 25, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L27/57
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
There is disclosed a passenger vehicle operation control apparatus and method including program microprocessor control apparatus for providing a dynamic output signal when the microprocessor completes a predetermined main computer control program subroutine and this dynamic output signal operates with a hardware logic circuit apparatus including a timing circuit such that a repetition rate in excess of that required to keep the timing circuit reset is required, otherwise the computer control program is reinitialized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.