JPS5047542A - - Google Patents
Info
- Publication number
- JPS5047542A JPS5047542A JP48140418A JP14041873A JPS5047542A JP S5047542 A JPS5047542 A JP S5047542A JP 48140418 A JP48140418 A JP 48140418A JP 14041873 A JP14041873 A JP 14041873A JP S5047542 A JPS5047542 A JP S5047542A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- H01Q19/18—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 having two or more spaced reflecting surfaces
- H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00316617A US3852765A (en) | 1972-12-19 | 1972-12-19 | Spherical double reflector antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5047542A true JPS5047542A (en) | 1975-04-28 |
Family
ID=23229836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48140418A Pending JPS5047542A (en) | 1972-12-19 | 1973-12-18 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3852765A (en) |
| JP (1) | JPS5047542A (en) |
| AU (1) | AU6340673A (en) |
| BR (1) | BR7309964D0 (en) |
| CA (1) | CA992197A (en) |
| DE (1) | DE2362493A1 (en) |
| FR (1) | FR2210840B1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3938162A (en) * | 1974-08-27 | 1976-02-10 | The United States Of America As Represented By The United States National Aeronautics And Space Administration Office Of General Counsel-Code Gp | Variable beamwidth antenna |
| JPS5412550A (en) * | 1977-06-29 | 1979-01-30 | Nippon Telegr & Teleph Corp <Ntt> | Dual reflecting mirror antenna of offset type |
| US5859619A (en) * | 1996-10-22 | 1999-01-12 | Trw Inc. | Small volume dual offset reflector antenna |
| US6542118B2 (en) * | 2001-08-24 | 2003-04-01 | Ball Aerospace & Technologies Corp. | Antenna apparatus including compound curve antenna structure and feed array |
| US7183990B2 (en) * | 2004-02-04 | 2007-02-27 | Ems Technologies Canada Ltd | Aperture illumination control membrane |
| US7733282B2 (en) * | 2005-03-18 | 2010-06-08 | Mostafa M. Kharadly | Reflector antenna |
| US10263342B2 (en) * | 2013-10-15 | 2019-04-16 | Northrop Grumman Systems Corporation | Reflectarray antenna system |
| US11129077B2 (en) | 2015-07-10 | 2021-09-21 | Comcast Cable Communications, Llc | Directional router communication and tracking |
| US10944164B2 (en) | 2019-03-13 | 2021-03-09 | Northrop Grumman Systems Corporation | Reflectarray antenna for transmission and reception at multiple frequency bands |
| US10892549B1 (en) | 2020-02-28 | 2021-01-12 | Northrop Grumman Systems Corporation | Phased-array antenna system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3423756A (en) * | 1964-09-10 | 1969-01-21 | Rca Corp | Scanning antenna feed |
| US3406401A (en) * | 1966-08-25 | 1968-10-15 | Bell Telephone Labor Inc | Communication satellite system |
-
1972
- 1972-12-19 US US00316617A patent/US3852765A/en not_active Expired - Lifetime
-
1973
- 1973-12-10 AU AU63406/73A patent/AU6340673A/en not_active Expired
- 1973-12-15 DE DE2362493A patent/DE2362493A1/en active Pending
- 1973-12-18 JP JP48140418A patent/JPS5047542A/ja active Pending
- 1973-12-18 CA CA188,439A patent/CA992197A/en not_active Expired
- 1973-12-19 BR BR9964/73A patent/BR7309964D0/en unknown
- 1973-12-19 FR FR7345457A patent/FR2210840B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU6340673A (en) | 1975-06-12 |
| DE2362493A1 (en) | 1974-06-20 |
| CA992197A (en) | 1976-06-29 |
| US3852765A (en) | 1974-12-03 |
| FR2210840A1 (en) | 1974-07-12 |
| BR7309964D0 (en) | 1974-08-29 |
| FR2210840B1 (en) | 1978-11-10 |