| Patent Number |
Title Of Patent |
Date Issued |
| 4932180 |
Electromagnetically shielded partition wall structure |
June 12, 1990 |
| In a building having electromagnetically shielded sections formed by using electromagnetic shielding members as structural members for outer walls, floors an so forth, a zone partitioned with a bearing wall structure having walls such as a fire wall (12) reaching a floor slab is formed a |
| 4894489 |
Electromagnetic shield-type doorway for buildings and electromagnetic shielding system therefor |
January 16, 1990 |
| An electromagnetic shield-type doorway for a building is provided with two doors having a curved passageway between them. By lengthening the passageway to such an extent that the two doors cannot be opened simultaneously, electric waves can be blocked at either of the doors. The elec |
| 4889958 |
Building with electromagnetic shield structure for individual floors |
December 26, 1989 |
| A building with an electromagnetic shield structure for individual floors uses an electromagnetic shielding material in a body of the building and in openings such as windows and doorways, and the external wall surface of the building is covered with an electromagnetic shielding layer. A |
| 4758686 |
Electromagnetic shield structure for building windows |
July 19, 1988 |
| In a building in which electromagnetic shielding members are used in a body of the building and at openings such as windows, entrances and exits to provide the overall building with electromagnetic shielding, a window glass and a window frame are each provided with an electromagnetic |
