Alarm indicating system
US4045794A · kind A · utility
11Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 23, 1976 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Mar 23, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C5/0825
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An alarm indicating system, for preferred use in vehicles, having alarm legends carrying indicator elements arranged in layers, by which the occurrence of abnormalities in the operation of specific parts or objects of functional importance are located according to a predetermined order of importance given to the objects. Misreading or illegibility of alarm legends, overlapped in a display, thus is avoided. The system also incorporates a fault finder means to check instantly and automatically if the indicators or drive circuits for the indicators have failed in operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.