GB404167A - Improvements in or relating to systems and apparatus for landing aircraft by the use of electro-magnetic waves - Google Patents
Improvements in or relating to systems and apparatus for landing aircraft by the use of electro-magnetic wavesInfo
- Publication number
- GB404167A GB404167A GB7978/33A GB797833A GB404167A GB 404167 A GB404167 A GB 404167A GB 7978/33 A GB7978/33 A GB 7978/33A GB 797833 A GB797833 A GB 797833A GB 404167 A GB404167 A GB 404167A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aircraft
- aerials
- landing
- march
- radiation
- 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
-
- 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)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmitters (AREA)
Abstract
404,167. Directive wireless signalling. LORENZ AKT.-GES., C., 1, Lorenzweg, Tempelhof, Berlin. March 16, 1933, No. 7978. Convention date, March 31, 1932. [Class 40 (v).] In a system for landing aircraft a radio transmitter S, Fig. 1, is adapted to produce a radiation diagram A, the lower surface of which is in the form of an obtuse - angled cone adapted to be used as the landing curve for an aircraft B. The radiation is emitted from a single vertical dipole aerial having an electricallength of one quarter of a wavelength, fed by a coupling coil near its lower end which is earthed. The receiver on board the aircraft comprises crossed frame aerials or dipoles R1, R2 feeding amplifying detectors G1, G2 which feed the crossed coils of an indicating instrument J1 adapted to show the relative strengths of the signals in the aerials R1 R2 and hence the direction of the transmitter. An instrument J2 indicates the total energy in the aerials R1 R2 and can be used to keep the aircraft on a landing line of constant field strength, and also with the system in which two transmitters transmit characteristic signals in different directions on the same wavelength.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE404167X | 1932-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB404167A true GB404167A (en) | 1934-01-11 |
Family
ID=6421360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7978/33A Expired GB404167A (en) | 1932-03-31 | 1933-03-16 | Improvements in or relating to systems and apparatus for landing aircraft by the use of electro-magnetic waves |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB404167A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2137051A (en) * | 1983-03-22 | 1984-09-26 | Secuurigard International Limi | Radio Direction Finders |
-
1933
- 1933-03-16 GB GB7978/33A patent/GB404167A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2137051A (en) * | 1983-03-22 | 1984-09-26 | Secuurigard International Limi | Radio Direction Finders |
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