GB719526A - Magnetic antenna systems - Google Patents
Magnetic antenna systemsInfo
- Publication number
- GB719526A GB719526A GB31778/52A GB3177852A GB719526A GB 719526 A GB719526 A GB 719526A GB 31778/52 A GB31778/52 A GB 31778/52A GB 3177852 A GB3177852 A GB 3177852A GB 719526 A GB719526 A GB 719526A
- Authority
- GB
- United Kingdom
- Prior art keywords
- elements
- magnetic
- coil
- disc
- aerials
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
- F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
- F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/286—Adaptation for use in or on aircraft, missiles, satellites, or balloons substantially flush mounted with the skin of the craft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
719,526. Aerials; radio direction-finding; aerial coupling arrangements. BENDIX AVIATION CORPORATION. Dec. 15, 1952 (Jan. 3; 1952], No. 31778/52. Classes 40 (5) and 40 (7) An aerial system which is based on the introduction of magnetic discontinuity into the transmission medium comprises an extensive conducting surface having disposed therein or mounted closely adjacent thereto a magnetic antenna element formed of an elongated body of high frequency, high permeability material, such as a dust-iron or ferrite bar, which is associated with signal coupling means. The system is. of particular application to aircraft where, as shown in section in Fig. 3, the magnetic element 12 may be retained by low-loss plastic 13 in a depression in the air-foil 11. Fig. 2 illutrates an embodiment arranged for direction finding in which three such elements 12 are arranged in the surface 11 as shown and coupled to a disc 15 of similar magnetic material disposed in a circular opening 14. The disc is rotatable to establish the direction of arrival of radio waves and carries a coil 16 from which connections extend'via slip rings, Fig. 4 (not shown). The elements carry shaped pole pieces 20 which are adjustable to reduce sextantal error, and the angular position of the elements may also be adjusted to compensate for quadrantal error. Fig. 1 (not shown) illustrates an embodiment comprising a single magnetic element carrying a coil and located in a slot in a conductive sheet. Aerials according to the invention are suitable for operation at any frequency including low frequencies; the direction finder illustrated in Fig. 2, when constructed with elements 14 inches long, operates in the range 100- 1750 kc.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US264717A US2740113A (en) | 1952-01-03 | 1952-01-03 | Magnetic antenna systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB719526A true GB719526A (en) | 1954-12-01 |
Family
ID=23007304
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4981/52A Expired GB719326A (en) | 1952-01-03 | 1952-02-26 | Improvements in or relating to the securing of blading to turbine wheels and other high speed rotary members |
GB31778/52A Expired GB719526A (en) | 1952-01-03 | 1952-12-15 | Magnetic antenna systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4981/52A Expired GB719326A (en) | 1952-01-03 | 1952-02-26 | Improvements in or relating to the securing of blading to turbine wheels and other high speed rotary members |
Country Status (3)
Country | Link |
---|---|
US (1) | US2740113A (en) |
FR (1) | FR1075235A (en) |
GB (2) | GB719326A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997010520A1 (en) * | 1995-09-15 | 1997-03-20 | Aeg Identifikationssysteme Gmbh | Transponder arrangement |
WO2000005782A1 (en) * | 1998-07-22 | 2000-02-03 | Poynting Innovations (Proprietary) Limited | Conformal antenna |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2915752A (en) * | 1953-12-29 | 1959-12-01 | Raytheon Co | Directional antenna |
US2804617A (en) * | 1954-06-02 | 1957-08-27 | Wladimir J Polydoroff | Antenna systems |
DE1024198B (en) * | 1955-02-03 | 1958-02-13 | Maschf Augsburg Nuernberg Ag | Drum rotor for axially loaded centrifugal machines and process for their production |
US2895129A (en) * | 1956-01-30 | 1959-07-14 | Gen Bronze Corp | Mobile radio antenna |
US2870442A (en) * | 1956-03-26 | 1959-01-20 | Wladimir J Polydoroff | Ferromagnetic antenna systems |
US3020547A (en) * | 1956-08-02 | 1962-02-06 | Gasaccumulator Svenska Ab | Arrangement for radio direction finding |
US2948888A (en) * | 1957-03-15 | 1960-08-09 | Avco Mfg Corp | Magnetic energy transmitter for a remote control system for a television receiver |
US3012246A (en) * | 1957-08-30 | 1961-12-05 | Internat Res & Dev Corp | Antenna unit |
US3047936A (en) * | 1959-03-11 | 1962-08-07 | Curtiss Wright Corp | Gas turbine rotor |
US3354459A (en) * | 1965-08-05 | 1967-11-21 | Devenco Inc | Tri-orthogonal antenna system with variable effective axis |
US3409891A (en) * | 1965-09-20 | 1968-11-05 | Rosemount Eng Co Ltd | Surface antenna |
JPS6193701A (en) * | 1984-10-13 | 1986-05-12 | Toyota Motor Corp | Antenna system for automobile |
JPS6196801A (en) * | 1984-10-17 | 1986-05-15 | Toyota Motor Corp | Antenna system for automobile |
JPH0622283B2 (en) * | 1984-10-26 | 1994-03-23 | トヨタ自動車株式会社 | Car antenna device |
US4804966A (en) * | 1984-10-29 | 1989-02-14 | Toyota Jidosha Kabushiki Kaisha | Automobile antenna system |
US4717922A (en) * | 1984-11-06 | 1988-01-05 | Toyota Jidosha Kabushiki Kaisha | Automobile antenna system |
CA1249052A (en) * | 1984-11-08 | 1989-01-17 | Junzo Ohe | Automobile antenna system |
US4717921A (en) * | 1984-11-15 | 1988-01-05 | Toyota Jidosha Kabushiki Kaisha | Automobile antenna system |
CA1245351A (en) * | 1984-11-15 | 1988-11-22 | Junzo Ohe | Automobile antenna system |
CA1245352A (en) * | 1984-11-26 | 1988-11-22 | Junzo Ohe | Automobile antenna system |
CA1239471A (en) * | 1984-11-27 | 1988-07-19 | Junzo Ohe | Automobile antenna system |
CA1248220A (en) * | 1984-12-12 | 1989-01-03 | Junzo Ohe | Automobile antenna system |
JPS61222303A (en) * | 1985-03-27 | 1986-10-02 | Toyota Motor Corp | Antenna device for automobile |
DE3676368D1 (en) * | 1985-06-10 | 1991-02-14 | Toyota Motor Co Ltd | MOTOR VEHICLE TELEVISION ANTENNA SYSTEM. |
DE3685272D1 (en) * | 1985-06-28 | 1992-06-17 | Toyota Motor Co Ltd | VEHICLE ANTENNA SYSTEM. |
JPS6231201A (en) * | 1985-08-01 | 1987-02-10 | Dx Antenna Co Ltd | Microstrip antenna system |
JPH0626283B2 (en) * | 1985-08-09 | 1994-04-06 | トヨタ自動車株式会社 | Car antenna device |
EP0223398B1 (en) * | 1985-10-29 | 1990-12-19 | Toyota Jidosha Kabushiki Kaisha | Vehicle antenna system |
US4746926A (en) * | 1986-09-29 | 1988-05-24 | The United States Of America As Represented By The Secretary Of The Army | Phase scan antenna |
US4845505A (en) * | 1987-02-13 | 1989-07-04 | Toyota Jidosha Kabushiki Kaisha | Automobile antenna system for diversity reception |
US5734353A (en) * | 1995-08-14 | 1998-03-31 | Vortekx P.C. | Contrawound toroidal helical antenna |
EP0782214B1 (en) * | 1995-12-22 | 2004-10-06 | Texas Instruments France | Ring antennas for resonant cicuits |
US6320550B1 (en) | 1998-04-06 | 2001-11-20 | Vortekx, Inc. | Contrawound helical antenna |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR631558A (en) * | 1926-04-03 | 1927-12-22 | Improvements in magnetic and radio direction finding | |
US1842347A (en) * | 1928-02-23 | 1932-01-19 | Eaton Radio Instr Corp | Method and apparatus for determining direction |
GB498417A (en) * | 1937-07-09 | 1939-01-09 | Standard Telephones Cables Ltd | Improvements in or relating to wireless direction finding systems |
DE726143C (en) * | 1938-11-15 | 1942-10-07 | Telefunken Gmbh | DF antenna system |
US2242200A (en) * | 1938-12-01 | 1941-05-13 | Bell Aircraft Corp | Airplane structure |
CH219970A (en) * | 1940-07-26 | 1942-03-15 | Telefunken Gmbh | Bearing frame. |
US2493779A (en) * | 1945-02-05 | 1950-01-10 | Jacob H Rubenstein | Magnetometer |
GB607159A (en) * | 1946-01-28 | 1948-08-26 | William Arthur Johnson | Improvements in or relating to radio aerials for aircraft |
US2581348A (en) * | 1948-04-10 | 1952-01-08 | Int Standard Electric Corp | Antenna |
-
1952
- 1952-01-03 US US264717A patent/US2740113A/en not_active Expired - Lifetime
- 1952-02-26 GB GB4981/52A patent/GB719326A/en not_active Expired
- 1952-12-15 GB GB31778/52A patent/GB719526A/en not_active Expired
- 1952-12-23 FR FR1075235D patent/FR1075235A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997010520A1 (en) * | 1995-09-15 | 1997-03-20 | Aeg Identifikationssysteme Gmbh | Transponder arrangement |
US6249258B1 (en) | 1995-09-15 | 2001-06-19 | Aeg Identifikationssysteme | Transponder arrangement |
WO2000005782A1 (en) * | 1998-07-22 | 2000-02-03 | Poynting Innovations (Proprietary) Limited | Conformal antenna |
Also Published As
Publication number | Publication date |
---|---|
FR1075235A (en) | 1954-10-14 |
US2740113A (en) | 1956-03-27 |
GB719326A (en) | 1954-12-01 |
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