NL1745C - - Google Patents
Info
- Publication number
- NL1745C NL1745C NL1745DA NL1745C NL 1745 C NL1745 C NL 1745C NL 1745D A NL1745D A NL 1745DA NL 1745 C NL1745 C NL 1745C
- 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)
- Details Of Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191312266T | 1913-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL1745C true NL1745C (fr) |
Family
ID=32371160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL1745D NL1745C (fr) | 1913-05-26 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR471373A (fr) |
| GB (1) | GB191312266A (fr) |
| NL (1) | NL1745C (fr) |
-
0
- NL NL1745D patent/NL1745C/xx active
-
1913
- 1913-05-26 GB GB191312266D patent/GB191312266A/en not_active Expired
-
1914
- 1914-04-25 FR FR471373A patent/FR471373A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR471373A (fr) | 1914-10-24 |
| GB191312266A (en) | 1914-05-26 |