BE517864A - - Google Patents
Info
- Publication number
- BE517864A BE517864A BE517864DA BE517864A BE 517864 A BE517864 A BE 517864A BE 517864D A BE517864D A BE 517864DA BE 517864 A BE517864 A BE 517864A
- Authority
- BE
- Belgium
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)
- Radio Relay Systems (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE734625X | 1952-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE517864A true BE517864A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=20319643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE517864D BE517864A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1952-02-23 |
Country Status (5)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1075684B (de) * | 1956-08-03 | 1960-02-18 | Svenska Aktiebolaget Gasaccumulator Lidmgo (Schweden) | Sprechendes Drehfunkfeuer |
| US3680119A (en) * | 1970-08-14 | 1972-07-25 | Itt | Tacan antenna system |
| CN1214063C (zh) * | 2000-08-16 | 2005-08-10 | 拜尔公司 | 基于酚盐的防老化剂 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2129004A (en) * | 1937-05-08 | 1938-09-06 | Bell Telephone Labor Inc | Radio signaling |
| GB504744A (en) * | 1937-10-29 | 1939-05-01 | Marconi Wireless Telegraph Co | Improvements in or relating to navigation aiding radio transmitters |
| US2212238A (en) * | 1938-06-11 | 1940-08-20 | Internat Telephone Dev Co Inc | Ultra short wave course beacon |
| US2424079A (en) * | 1943-04-19 | 1947-07-15 | Gen Electric | System of communication |
| US2513493A (en) * | 1945-09-17 | 1950-07-04 | Honeywell Regulator Co | Aircraft control system |
-
0
- BE BE517864D patent/BE517864A/xx unknown
-
1952
- 1952-11-18 FR FR1073990D patent/FR1073990A/fr not_active Expired
- 1952-12-11 DE DES31431A patent/DE943655C/de not_active Expired
-
1953
- 1953-01-05 US US329522A patent/US2747181A/en not_active Expired - Lifetime
- 1953-02-23 GB GB4999/53A patent/GB734625A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2747181A (en) | 1956-05-22 |
| DE943655C (de) | 1956-05-24 |
| GB734625A (en) | 1955-08-03 |
| FR1073990A (fr) | 1954-09-30 |