FR1604954A - - Google Patents
Info
- Publication number
- FR1604954A FR1604954A FR1604954DA FR1604954A FR 1604954 A FR1604954 A FR 1604954A FR 1604954D A FR1604954D A FR 1604954DA FR 1604954 A FR1604954 A FR 1604954A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/004—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE21624A DE977812C (de) | 1961-09-05 | 1961-09-05 | Absorber fuer elektromagnetische Wellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1604954A true FR1604954A (xx) | 1972-06-26 |
Family
ID=7070594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1604954D Expired FR1604954A (xx) | 1961-09-05 | 1962-09-04 |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE977812C (xx) |
| DK (1) | DK387662A (xx) |
| FR (1) | FR1604954A (xx) |
| GB (1) | GB1216071A (xx) |
| NL (2) | NL133030C (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2394361B (en) * | 1988-10-21 | 2004-09-15 | Marconi Electronic Devices | Energy absorbing compositions |
| DE3940303A1 (de) * | 1989-12-06 | 1991-06-13 | Messerschmitt Boelkow Blohm | Schutzelement fuer metallische und/oder metallisierte bauteile |
| US5389434A (en) * | 1990-10-02 | 1995-02-14 | Minnesota Mining And Manufacturing Company | Electromagnetic radiation absorbing material employing doubly layered particles |
| EP0479438B1 (en) * | 1990-10-02 | 1997-04-02 | Minnesota Mining And Manufacturing Company | Electromagnetic radiation absorbing material employing doubly layered particles |
| FR2678132B1 (fr) * | 1991-06-21 | 1993-08-27 | Commissariat Energie Atomique | Procede de fabrication d'un ecran absorbant le rayonnement electromagnetique. |
| DE4142480A1 (de) * | 1991-12-20 | 1993-07-01 | Kerasorb Keramik Gmbh | Absorberelement und verfahren zu seiner herstellung |
| GB2325568A (en) * | 1997-03-27 | 1998-11-25 | Ams Polymers | Radiation absorbent fluid |
| DE102007035560A1 (de) * | 2007-07-28 | 2009-01-29 | Glatt Systemtechnik Gmbh | Verfahren zur Herstellung eines Absorbers für Mikrowellen und danach hergestellter Absorber |
| CN111534279B (zh) * | 2020-05-13 | 2022-11-29 | 中国电子科技集团公司第三十三研究所 | 一种v波段吸波粉体的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1021437B (de) * | 1956-07-07 | 1957-12-27 | Christian Oelting Fa | Radarschutz gewaehrende(r), wellenabsorbierende(r) Bauplatte oder Baustein |
-
0
- NL NL282827D patent/NL282827A/xx unknown
-
1961
- 1961-09-05 DE DEE21624A patent/DE977812C/de not_active Expired
-
1962
- 1962-09-04 NL NL282827A patent/NL133030C/xx active
- 1962-09-04 FR FR1604954D patent/FR1604954A/fr not_active Expired
- 1962-09-05 GB GB3410662A patent/GB1216071A/en not_active Expired
- 1962-09-05 DK DK387662A patent/DK387662A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1216071A (en) | 1970-12-16 |
| DE977812C (de) | 1970-11-19 |
| NL282827A (xx) | |
| DK387662A (da) | 1982-04-27 |
| NL133030C (xx) | 1970-10-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |