BE473450A - - Google Patents
Info
- Publication number
- BE473450A BE473450A BE473450DA BE473450A BE 473450 A BE473450 A BE 473450A BE 473450D A BE473450D A BE 473450DA BE 473450 A BE473450 A BE 473450A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
-
- 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 |
|---|---|---|---|
| US939633XA | 1945-09-15 | 1945-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473450A true BE473450A (uk) |
Family
ID=22241948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473450D BE473450A (uk) | 1945-09-15 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE473450A (uk) |
| FR (1) | FR939633A (uk) |
-
0
- BE BE473450D patent/BE473450A/xx unknown
-
1947
- 1947-01-09 FR FR939633D patent/FR939633A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR939633A (fr) | 1948-11-19 |