Magnetic bubble information writing device
US4120042A · kind A · utility
2Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1976 |
| Grant date | Oct 10, 1978 |
| Priority date | — |
| Expiry date | Oct 12, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C19/0858
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A magnetic bubble information writing device capable of carrying out writing without erasing old information representing either "0" or "1" at a location, where new information is to be written, by means of only a single hairpin-like conductor loop is disclosed, in which the single hairpin-like conductor loop is disposed at a projecting portion of permalloy patterns, enclosing the portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.