NL31450C - - Google Patents
Info
- Publication number
- NL31450C NL31450C NL31450DA NL31450C NL 31450 C NL31450 C NL 31450C NL 31450D A NL31450D A NL 31450DA NL 31450 C NL31450 C NL 31450C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2775628A GB323237A (en) | 1928-09-27 | 1928-09-27 | Improvements in or relating to wireless signalling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31450C true NL31450C (fr) |
Family
ID=10264744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31450D NL31450C (fr) | 1928-09-27 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR681886A (fr) |
| GB (1) | GB323237A (fr) |
| NL (1) | NL31450C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982249A (en) * | 1975-05-30 | 1976-09-21 | Tull Aviation Corporation | Microwave radiation method and apparatus with a combined diffraction edge and radiation screen |
-
0
- NL NL31450D patent/NL31450C/xx active
-
1928
- 1928-09-27 GB GB2775628A patent/GB323237A/en not_active Expired
-
1929
- 1929-09-17 FR FR681886D patent/FR681886A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR681886A (fr) | 1930-05-20 |
| GB323237A (en) | 1929-12-27 |