NL69072C - Inrichting ten gebruike bij het door middel van een parabolische reflector gericht uitstralen of ontvangen van electromagnetische golven - Google Patents
Inrichting ten gebruike bij het door middel van een parabolische reflector gericht uitstralen of ontvangen van electromagnetische golvenInfo
- Publication number
- NL69072C NL69072C NL125332A NL125332A NL69072C NL 69072 C NL69072 C NL 69072C NL 125332 A NL125332 A NL 125332A NL 125332 A NL125332 A NL 125332A NL 69072 C NL69072 C NL 69072C
- Authority
- NL
- Netherlands
- Prior art keywords
- radiating
- electromagnetic waves
- parabolic reflector
- receiving electromagnetic
- targeted
- Prior art date
Links
Classifications
-
- 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
- H01Q19/10—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 reflecting surfaces
- H01Q19/12—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 reflecting surfaces wherein the surfaces are concave
- H01Q19/13—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 reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/134—Rear-feeds; Splash plate feeds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US262124XA | 1944-01-15 | 1944-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL69072C true NL69072C (nl) | 1951-12-15 |
Family
ID=21830509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL125332A NL69072C (nl) | 1944-01-15 | 1946-05-14 | Inrichting ten gebruike bij het door middel van een parabolische reflector gericht uitstralen of ontvangen van electromagnetische golven |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT180304B (fr) |
CH (1) | CH262124A (fr) |
ES (1) | ES174350A1 (fr) |
FR (2) | FR938595A (fr) |
GB (2) | GB588159A (fr) |
NL (1) | NL69072C (fr) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN116826376B (zh) * | 2023-06-01 | 2024-07-12 | 北京雷格讯电子股份有限公司 | 平板行波cts高增益波束可调天线 |
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1945
- 1945-01-15 GB GB1236/45A patent/GB588159A/en not_active Expired
- 1945-07-20 GB GB18704/45A patent/GB595893A/en not_active Expired
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1946
- 1946-05-09 CH CH262124D patent/CH262124A/fr unknown
- 1946-05-14 NL NL125332A patent/NL69072C/nl active
- 1946-07-06 ES ES174350A patent/ES174350A1/es not_active Expired
- 1946-08-30 FR FR938595D patent/FR938595A/fr not_active Expired
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1951
- 1951-06-06 FR FR55257D patent/FR55257E/fr not_active Expired
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1953
- 1953-06-25 AT AT180304D patent/AT180304B/de active
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US9911020B1 (en) | 2016-12-08 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for tracking via a radio frequency identification device |
US10264586B2 (en) | 2016-12-09 | 2019-04-16 | At&T Mobility Ii Llc | Cloud-based packet controller and methods for use therewith |
US10340983B2 (en) | 2016-12-09 | 2019-07-02 | At&T Intellectual Property I, L.P. | Method and apparatus for surveying remote sites via guided wave communications |
US9838896B1 (en) | 2016-12-09 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for assessing network coverage |
US9973940B1 (en) | 2017-02-27 | 2018-05-15 | At&T Intellectual Property I, L.P. | Apparatus and methods for dynamic impedance matching of a guided wave launcher |
US10298293B2 (en) | 2017-03-13 | 2019-05-21 | At&T Intellectual Property I, L.P. | Apparatus of communication utilizing wireless network devices |
Also Published As
Publication number | Publication date |
---|---|
GB588159A (en) | 1947-05-15 |
FR55257E (fr) | 1952-01-09 |
FR938595A (fr) | 1948-10-19 |
AT180304B (de) | 1954-11-25 |
ES174350A1 (es) | 1946-09-01 |
GB595893A (en) | 1947-12-19 |
CH262124A (fr) | 1949-06-15 |
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