NL269899A - - Google Patents
Info
- Publication number
- NL269899A NL269899A NL269899DA NL269899A NL 269899 A NL269899 A NL 269899A NL 269899D A NL269899D A NL 269899DA NL 269899 A NL269899 A NL 269899A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1209623XA | 1960-12-23 | 1960-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL269899A true NL269899A (bg) |
Family
ID=22393556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL269899D NL269899A (bg) | 1960-12-23 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1209623B (bg) |
| NL (1) | NL269899A (bg) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2129712A (en) * | 1933-12-09 | 1938-09-13 | American Telephone & Telegraph | Transmission of energy effects by guided electric waves in a dielectric medium |
| US2299619A (en) * | 1939-01-13 | 1942-10-20 | Fritz Karl | Ultra short wave signaling |
-
0
- NL NL269899D patent/NL269899A/xx unknown
-
1961
- 1961-12-07 DE DEW31226A patent/DE1209623B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1209623B (de) | 1966-01-27 |