Electromagnetic energy shield
US4864321A · kind A · utility
7Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 20, 1984 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Aug 20, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A structure for transmitting electromagnetic energy within a selected frequency range and preventing such transmission outside such range in which an insulative member has a metallized surface which includes an array of non-metallized regions each having the shape of a Jerusalem cross, the vertical and horizontal cross arms thereof having metallized regions along their length to form non-metallized gaps with the edges thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.