SE352173B - - Google Patents
Info
- Publication number
- SE352173B SE352173B SE07472/68A SE747268A SE352173B SE 352173 B SE352173 B SE 352173B SE 07472/68 A SE07472/68 A SE 07472/68A SE 747268 A SE747268 A SE 747268A SE 352173 B SE352173 B SE 352173B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/10—Logperiodic antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO168528A NO124503B (en) | 1967-06-08 | 1967-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE352173B true SE352173B (en) | 1972-12-18 |
Family
ID=19910103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE07472/68A SE352173B (en) | 1967-06-08 | 1968-06-04 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3518673A (en) |
| DE (1) | DE1766526B1 (en) |
| FR (1) | FR1567838A (en) |
| GB (1) | GB1224246A (en) |
| NO (1) | NO124503B (en) |
| SE (1) | SE352173B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868689A (en) * | 1973-07-30 | 1975-02-25 | Texas Instruments Inc | Log periodic pole mounted marker beacon antenna |
| JPS602628B2 (en) * | 1977-12-05 | 1985-01-23 | 株式会社東芝 | Aircraft landing guidance system |
| DE4446128A1 (en) * | 1994-12-23 | 1996-06-27 | Sel Alcatel Ag | antenna |
| WO2018151705A1 (en) | 2017-02-14 | 2018-08-23 | Whirlpool Corporation | Multi-layer encapsulation system for joint sealing of vacuum insulated cabinets |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2513493A (en) * | 1945-09-17 | 1950-07-04 | Honeywell Regulator Co | Aircraft control system |
| US2593485A (en) * | 1948-02-06 | 1952-04-22 | Int Standard Electric Corp | Localizer beacon system |
| US2993665A (en) * | 1948-09-15 | 1961-07-25 | Honeywell Regulator Co | Automatic instrument landing systems for air-borne craft |
| US3147479A (en) * | 1962-03-01 | 1964-09-01 | Radiation Inc | Plural juxtaposed parabolic reflectors with frequency independent feeds |
| US3257661A (en) * | 1962-04-11 | 1966-06-21 | Robert L Tanner | Log-periodic antenna |
| GB987470A (en) * | 1962-06-13 | 1965-03-31 | Secr Aviation | Improvements in or relating to aircraft approach and landing systems |
-
1967
- 1967-06-08 NO NO168528A patent/NO124503B/no unknown
-
1968
- 1968-05-30 GB GB25890/68A patent/GB1224246A/en not_active Expired
- 1968-06-04 US US734423A patent/US3518673A/en not_active Expired - Lifetime
- 1968-06-04 SE SE07472/68A patent/SE352173B/xx unknown
- 1968-06-07 DE DE19681766526 patent/DE1766526B1/en active Pending
- 1968-06-07 FR FR1567838D patent/FR1567838A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1766526B1 (en) | 1971-10-07 |
| GB1224246A (en) | 1971-03-03 |
| NO124503B (en) | 1972-04-24 |
| US3518673A (en) | 1970-06-30 |
| FR1567838A (en) | 1969-04-08 |