CA977446A - Instrument landing system using conventional and microwave frequencies - Google Patents
Instrument landing system using conventional and microwave frequenciesInfo
- Publication number
- CA977446A CA977446A CA118,064A CA118064A CA977446A CA 977446 A CA977446 A CA 977446A CA 118064 A CA118064 A CA 118064A CA 977446 A CA977446 A CA 977446A
- Authority
- CA
- Canada
- Prior art keywords
- microwave frequencies
- landing system
- instrument landing
- instrument
- microwave
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5445670A | 1970-07-13 | 1970-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA977446A true CA977446A (en) | 1975-11-04 |
Family
ID=21991193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA118,064A Expired CA977446A (en) | 1970-07-13 | 1971-07-13 | Instrument landing system using conventional and microwave frequencies |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU456718B2 (en) |
BE (1) | BE777500A (en) |
CA (1) | CA977446A (en) |
FR (2) | FR2098374B1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2602161A (en) * | 1947-01-25 | 1952-07-01 | Sperry Corp | Modulation system for craft guidance |
FR1397283A (en) * | 1964-02-27 | 1965-04-30 | Csf | Landing radio system |
-
1971
- 1971-07-12 AU AU31092/71A patent/AU456718B2/en not_active Expired
- 1971-07-13 CA CA118,064A patent/CA977446A/en not_active Expired
- 1971-07-13 FR FR7125614A patent/FR2098374B1/fr not_active Expired
- 1971-07-13 FR FR7125616A patent/FR2098375B1/fr not_active Expired
- 1971-12-30 BE BE777500A patent/BE777500A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2098374B1 (en) | 1976-09-17 |
AU3109271A (en) | 1973-01-18 |
FR2098374A1 (en) | 1972-03-10 |
FR2098375A1 (en) | 1972-03-10 |
FR2098375B1 (en) | 1976-12-03 |
AU456718B2 (en) | 1975-01-09 |
BE777500A (en) | 1972-04-17 |
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