BE442241A - - Google Patents
Info
- Publication number
- BE442241A BE442241A BE442241DA BE442241A BE 442241 A BE442241 A BE 442241A BE 442241D A BE442241D A BE 442241DA BE 442241 A BE442241 A BE 442241A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- motor
- filter
- coil
- emi
- Prior art date
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)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE224238X | 1940-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442241A true BE442241A (cs) |
Family
ID=5854839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442241D BE442241A (cs) | 1940-07-31 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE442241A (cs) |
| CH (1) | CH224238A (cs) |
| FR (1) | FR874007A (cs) |
| NL (1) | NL58739C (cs) |
-
0
- BE BE442241D patent/BE442241A/fr unknown
- NL NL58739D patent/NL58739C/xx active
-
1941
- 1941-07-03 CH CH224238D patent/CH224238A/de unknown
- 1941-07-17 FR FR874007D patent/FR874007A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL58739C (cs) | |
| CH224238A (de) | 1942-11-15 |
| FR874007A (fr) | 1942-07-27 |
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