Printed circuit board capable of being inserted and withdrawn on on-line status
US4079440A · kind A · utility
76Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1977 |
| Grant date | Mar 14, 1978 |
| Priority date | — |
| Expiry date | Jan 19, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/094
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a printed circuit board loaded with electronic circuits, the board having at least two connector plugs for power supply, one is relatively long while the other is relatively short. These connector plugs are connected to each other through an impedance element. During an insertion of the board to a power line, the longer connector plug gets in contact with the power line earlier than the shorter one, while, during the withdrawal of the board from the line, the longer connector plug leaves the line later than the shorter one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.