NL23768C - - Google Patents
Info
- Publication number
- NL23768C NL23768C NL23768DA NL23768C NL 23768 C NL23768 C NL 23768C NL 23768D A NL23768D A NL 23768DA NL 23768 C NL23768 C NL 23768C
- Authority
- NL
- Netherlands
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
- G01S1/72—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 ultrasonic, sonic or infrasonic 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 |
|---|---|---|---|
| FR595649T | 1924-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL23768C true NL23768C (pl) |
Family
ID=8966986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23768D NL23768C (pl) | 1924-03-07 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR595649A (pl) |
| NL (1) | NL23768C (pl) |
-
0
- NL NL23768D patent/NL23768C/xx active
-
1924
- 1924-03-07 FR FR595649D patent/FR595649A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR595649A (fr) | 1925-10-06 |