BE399353A - - Google Patents
Info
- Publication number
- BE399353A BE399353A BE399353DA BE399353A BE 399353 A BE399353 A BE 399353A BE 399353D A BE399353D A BE 399353DA BE 399353 A BE399353 A BE 399353A
- Authority
- BE
- Belgium
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)
- Near-Field Transmission Systems (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US677225A US1991474A (en) | 1933-06-23 | 1933-06-23 | Radio beacon system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE399353A true BE399353A (fr) |
Family
ID=24717839
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE403847D BE403847A (fr) | 1933-06-23 | ||
| BE399353D BE399353A (fr) | 1933-06-23 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE403847D BE403847A (fr) | 1933-06-23 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1991474A (fr) |
| BE (2) | BE399353A (fr) |
| DE (1) | DE628334C (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2591908A (en) * | 1944-10-25 | 1952-04-08 | Hartford Nat Bank & Trust Co | Radio navigation aid |
| US2602924A (en) * | 1947-10-23 | 1952-07-08 | Airborne Instr Lab Inc | Antenna field pattern measuring system |
| US2607916A (en) * | 1947-12-22 | 1952-08-19 | Bell Telephone Labor Inc | Light controlled channel deviation indicator |
-
0
- BE BE403847D patent/BE403847A/xx unknown
- BE BE399353D patent/BE399353A/xx unknown
-
1933
- 1933-06-23 US US677225A patent/US1991474A/en not_active Expired - Lifetime
-
1934
- 1934-06-21 DE DEI49963D patent/DE628334C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1991474A (en) | 1935-02-19 |
| DE628334C (de) | 1936-04-03 |
| BE403847A (fr) |