NL7212175A - - Google Patents
Info
- Publication number
- NL7212175A NL7212175A NL7212175A NL7212175A NL7212175A NL 7212175 A NL7212175 A NL 7212175A NL 7212175 A NL7212175 A NL 7212175A NL 7212175 A NL7212175 A NL 7212175A NL 7212175 A NL7212175 A NL 7212175A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Radio Transmission System (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17909971A | 1971-09-09 | 1971-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7212175A true NL7212175A (enExample) | 1973-03-13 |
Family
ID=22655236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7212175A NL7212175A (enExample) | 1971-09-09 | 1972-09-07 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3768039A (enExample) |
| JP (1) | JPS5650441B2 (enExample) |
| AU (1) | AU473128B2 (enExample) |
| BE (1) | BE788467A (enExample) |
| CA (1) | CA945643A (enExample) |
| DE (1) | DE2243851C2 (enExample) |
| FR (1) | FR2152794B1 (enExample) |
| GB (1) | GB1382176A (enExample) |
| IT (1) | IT962296B (enExample) |
| NL (1) | NL7212175A (enExample) |
| SE (1) | SE386771B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060808A (en) * | 1976-06-30 | 1977-11-29 | Rca Corporation | Antenna system with automatic depolarization correction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL237152A (enExample) * | 1958-03-28 | |||
| US2972722A (en) * | 1959-05-28 | 1961-02-21 | Bell Telephone Labor Inc | Electromagnetic wave filter |
| US3267477A (en) * | 1964-04-28 | 1966-08-16 | Orville G Brickey | Dual frequency microwave antenna |
| US3394375A (en) * | 1966-11-04 | 1968-07-23 | Northern Electric Co | Automatic tracking system for linearly polarized electromagnetic waves |
| US3540045A (en) * | 1969-01-10 | 1970-11-10 | Nasa | Electromagnetic polarization systems and methods |
| US4052320A (en) * | 1975-08-29 | 1977-10-04 | Eastman Kodak Company | Telescoping serum separator and dispenser |
-
0
- BE BE788467D patent/BE788467A/xx unknown
-
1971
- 1971-09-09 US US00179099A patent/US3768039A/en not_active Expired - Lifetime
-
1972
- 1972-05-04 CA CA141,314A patent/CA945643A/en not_active Expired
- 1972-08-28 SE SE7211119A patent/SE386771B/xx unknown
- 1972-08-30 IT IT52450/72A patent/IT962296B/it active
- 1972-09-05 AU AU46326/72A patent/AU473128B2/en not_active Expired
- 1972-09-06 GB GB4124972A patent/GB1382176A/en not_active Expired
- 1972-09-07 DE DE2243851A patent/DE2243851C2/de not_active Expired
- 1972-09-07 NL NL7212175A patent/NL7212175A/xx not_active Application Discontinuation
- 1972-09-08 FR FR7231955A patent/FR2152794B1/fr not_active Expired
- 1972-09-08 JP JP8967572A patent/JPS5650441B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE386771B (sv) | 1976-08-16 |
| IT962296B (it) | 1973-12-20 |
| BE788467A (fr) | 1973-01-02 |
| FR2152794B1 (enExample) | 1977-04-01 |
| AU4632672A (en) | 1974-03-14 |
| GB1382176A (en) | 1975-01-29 |
| DE2243851A1 (de) | 1973-03-15 |
| AU473128B2 (en) | 1976-06-17 |
| JPS4838016A (enExample) | 1973-06-05 |
| JPS5650441B2 (enExample) | 1981-11-28 |
| FR2152794A1 (enExample) | 1973-04-27 |
| DE2243851C2 (de) | 1982-09-16 |
| CA945643A (en) | 1974-04-16 |
| US3768039A (en) | 1973-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |