NL7109509A - - Google Patents
Info
- Publication number
- NL7109509A NL7109509A NL7109509A NL7109509A NL7109509A NL 7109509 A NL7109509 A NL 7109509A NL 7109509 A NL7109509 A NL 7109509A NL 7109509 A NL7109509 A NL 7109509A NL 7109509 A NL7109509 A NL 7109509A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3330070 | 1970-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7109509A true NL7109509A (xx) | 1972-01-11 |
Family
ID=10351152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7109509A NL7109509A (xx) | 1970-07-09 | 1971-07-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3727152A (xx) |
| CA (1) | CA948724A (xx) |
| FR (1) | FR2100513A5 (xx) |
| GB (1) | GB1345537A (xx) |
| NL (1) | NL7109509A (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1464543A (xx) * | 1973-05-05 | 1977-02-16 | ||
| US3999151A (en) * | 1975-09-08 | 1976-12-21 | Western Electric Company, Inc. | Crossguide hybrid coupler and a commutating hybrid using same to form a channel branching network |
| US4245198A (en) * | 1978-05-10 | 1981-01-13 | Murata Manufacturing Co., Ltd. | High frequency filter device |
| US4679011A (en) * | 1986-03-21 | 1987-07-07 | Rca Corporation | Waveguide directional coupler family with a common housing having different sets of conductive block insertable therein |
| US4862186A (en) * | 1986-11-12 | 1989-08-29 | Hughes Aircraft Company | Microwave antenna array waveguide assembly |
| CA1259676A (en) * | 1986-12-04 | 1989-09-19 | Chuck K. Mok | 14/12 ghz duplexer |
| US4812788A (en) * | 1987-11-02 | 1989-03-14 | Hughes Aircraft Company | Waveguide matrix including in-plane crossover |
| FR2629949B1 (fr) * | 1988-04-06 | 1990-11-16 | Alcatel Thomson Faisceaux | Combineur a dephasage pour ondes electromagnetiques |
| FR2668322B1 (fr) * | 1990-10-23 | 1993-04-23 | Thomson Lgt | Procede de protection contre le brouillage des signaux de television transmis par multiplexage en frequence et dispositif de multiplexage mettant en óoeuvre ce procede. |
| JP3994169B2 (ja) * | 2005-06-20 | 2007-10-17 | 独立行政法人国立高等専門学校機構 | ブランチライン型偏波分離器 |
| DE102013014561A1 (de) * | 2012-09-03 | 2014-03-27 | Mando Corporation | Antennenvorrichtung und radarvorrichtung zur verbesserung des antennenwirkungsgrads |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3034076A (en) * | 1953-06-08 | 1962-05-08 | Sperry Rand Corp | Microwave diplexer |
| US3267472A (en) * | 1960-07-20 | 1966-08-16 | Litton Systems Inc | Variable aperture antenna system |
| FR1570415A (xx) * | 1965-11-29 | 1969-06-13 | ||
| US3501706A (en) * | 1967-02-20 | 1970-03-17 | North American Rockwell | Broadband microwave parametric amplifier |
| US3490054A (en) * | 1968-03-29 | 1970-01-13 | Bell Telephone Labor Inc | Power tempering of quadrature hybrid-coupled fan-outs |
-
1971
- 1971-04-19 GB GB3330070A patent/GB1345537A/en not_active Expired
- 1971-06-28 US US00157308A patent/US3727152A/en not_active Expired - Lifetime
- 1971-07-08 CA CA117,783A patent/CA948724A/en not_active Expired
- 1971-07-09 NL NL7109509A patent/NL7109509A/xx unknown
- 1971-07-09 FR FR7125326A patent/FR2100513A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1345537A (en) | 1974-01-30 |
| FR2100513A5 (xx) | 1972-03-17 |
| DE2134335B2 (de) | 1973-01-04 |
| CA948724A (en) | 1974-06-04 |
| DE2134335A1 (de) | 1972-05-31 |
| US3727152A (en) | 1973-04-10 |