CA990834A - Aircraft guidance system useful with microwave frequencies - Google Patents
Aircraft guidance system useful with microwave frequenciesInfo
- Publication number
- CA990834A CA990834A CA118,063A CA118063A CA990834A CA 990834 A CA990834 A CA 990834A CA 118063 A CA118063 A CA 118063A CA 990834 A CA990834 A CA 990834A
- Authority
- CA
- Canada
- Prior art keywords
- guidance system
- system useful
- microwave frequencies
- aircraft guidance
- aircraft
- 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
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- 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
-
- 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
- G01S1/08—Systems for determining direction or position line
- G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5451070A | 1970-07-13 | 1970-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA990834A true CA990834A (en) | 1976-06-08 |
Family
ID=21991591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA118,063A Expired CA990834A (en) | 1970-07-13 | 1971-07-13 | Aircraft guidance system useful with microwave frequencies |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3715757A (fr) |
| AU (1) | AU456719B2 (fr) |
| BE (1) | BE777501A (fr) |
| CA (1) | CA990834A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824594A (en) * | 1972-10-20 | 1974-07-16 | Tull Aviation Corp | Apparatus for receiving separate standard frequencies with separate sub-bands |
| US4106022A (en) * | 1972-05-15 | 1978-08-08 | University College Of North Wales | Radio position-determining system |
| US3967278A (en) * | 1974-10-23 | 1976-06-29 | The Boeing Company | Low cost microwave receiver for ILS |
| DE2902952C2 (de) * | 1979-01-26 | 1986-10-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Direktmischendes Empfangssystem |
| FR2549321B1 (fr) * | 1983-06-21 | 1986-04-11 | Thomson Csf | Procede d'augmentation de portee, et notamment de protection contre le brouillage, d'un systeme d'aide a l'atterrissage de type mls, et dispositifs de mise en oeuvre d'un tel procede |
| FR2574946B1 (fr) * | 1984-12-14 | 1987-01-30 | Thomson Csf | Procede de synchronisation radioelectrique de stations esclaves par une station maitre, notamment pour un systeme d'aide a l'atterrissage de type mls, et dispositifs de mise en oeuvre d'un tel procede |
-
1970
- 1970-07-13 US US00054510A patent/US3715757A/en not_active Expired - Lifetime
-
1971
- 1971-07-12 AU AU31093/71A patent/AU456719B2/en not_active Expired
- 1971-07-13 CA CA118,063A patent/CA990834A/en not_active Expired
- 1971-12-30 BE BE777501A patent/BE777501A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU3109371A (en) | 1973-01-18 |
| BE777501A (fr) | 1972-04-17 |
| AU456719B2 (en) | 1975-01-09 |
| US3715757A (en) | 1973-02-06 |
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