SE363432B - - Google Patents
Info
- Publication number
- SE363432B SE363432B SE06931/71A SE693171A SE363432B SE 363432 B SE363432 B SE 363432B SE 06931/71 A SE06931/71 A SE 06931/71A SE 693171 A SE693171 A SE 693171A SE 363432 B SE363432 B SE 363432B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
- G01S3/42—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/42—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means using frequency-mixing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4471570A | 1970-06-09 | 1970-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE363432B true SE363432B (OSRAM) | 1974-01-14 |
Family
ID=21933924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE06931/71A SE363432B (OSRAM) | 1970-06-09 | 1971-05-28 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3680108A (OSRAM) |
| JP (1) | JPS5543284B1 (OSRAM) |
| BE (1) | BE768190A (OSRAM) |
| DE (1) | DE2128082A1 (OSRAM) |
| FR (1) | FR2094144B1 (OSRAM) |
| GB (1) | GB1325955A (OSRAM) |
| SE (1) | SE363432B (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0700116A3 (en) * | 1994-08-29 | 1998-01-07 | Atr Optical And Radio Communications Research Laboratories | Apparatus and method for controlling array antenna comprising a plurality of antenna elements with improved incoming beam tracking |
| CN1086847C (zh) * | 1994-09-14 | 2002-06-26 | 皇家菲利浦电子有限公司 | 无线电接收设备 |
| GB2360635B (en) * | 1998-02-24 | 2002-06-26 | Univ Belfast | Retroreceive antenna |
| US20060262013A1 (en) * | 2005-05-18 | 2006-11-23 | Shiroma Grant S | Full-duplex dual-frequency self-steering array using phase detection & phase shifting |
| US8446997B2 (en) * | 2009-07-02 | 2013-05-21 | Agilent Technologies, Inc. | Apparatus and method for reducing third-order intermodulation distortion |
| JP5446671B2 (ja) * | 2009-09-29 | 2014-03-19 | ソニー株式会社 | 無線伝送システム及び無線通信方法 |
| GB2478960B (en) * | 2010-03-25 | 2012-08-22 | Guidance Ip Ltd | An apparatus for measuring the relative direction of a radio signal |
| GB2524529A (en) * | 2014-03-25 | 2015-09-30 | Univ Belfast | Tracking antenna system |
| TWI671950B (zh) * | 2017-07-07 | 2019-09-11 | National Sun Yat-Sen University | 主動式相位切換陣列 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3036210A (en) * | 1959-11-02 | 1962-05-22 | Space General Corp | Electronically scanning antenna empolying plural phase-locked loops to produce optimum directivity |
| US3394374A (en) * | 1961-08-11 | 1968-07-23 | Packard Bell Electronics Corp | Retrodirective antenna array |
| US3175216A (en) * | 1962-08-28 | 1965-03-23 | Bell Telephone Labor Inc | Communication station employing antenna array |
| US3300782A (en) * | 1963-07-08 | 1967-01-24 | Electronic Specialty Co | Comunications repeater system |
-
1970
- 1970-06-09 US US44715A patent/US3680108A/en not_active Expired - Lifetime
-
1971
- 1971-05-28 SE SE06931/71A patent/SE363432B/xx unknown
- 1971-06-05 DE DE19712128082 patent/DE2128082A1/de not_active Withdrawn
- 1971-06-07 BE BE768190A patent/BE768190A/xx unknown
- 1971-06-08 FR FR7120793A patent/FR2094144B1/fr not_active Expired
- 1971-06-09 JP JP4022271A patent/JPS5543284B1/ja active Pending
-
1972
- 1972-04-22 GB GB1878171*[A patent/GB1325955A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1325955A (en) | 1973-08-08 |
| BE768190A (fr) | 1971-11-03 |
| JPS5543284B1 (OSRAM) | 1980-11-05 |
| FR2094144B1 (OSRAM) | 1977-01-21 |
| DE2128082A1 (de) | 1971-12-16 |
| US3680108A (en) | 1972-07-25 |
| FR2094144A1 (OSRAM) | 1972-02-04 |