Bubble memory drive system using a picture frame core and a reflection box
US4165535A · kind A · utility
7Cited by
0References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1977 |
| Grant date | Aug 21, 1979 |
| Priority date | — |
| Expiry date | Sep 30, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C19/085
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A drive system for a bubble memory consists of a drive assembly and an electrically conducting surface enclosing the drive assembly. In a preferred embodiment, the drive assembly consists of a ferrite picture frame with two pairs of drive coils and the conducting surface is the interior surface of a metallic box.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.