NL12042C - - Google Patents
Info
- Publication number
- NL12042C NL12042C NL12042DA NL12042C NL 12042 C NL12042 C NL 12042C NL 12042D A NL12042D A NL 12042DA NL 12042 C NL12042 C NL 12042C
- 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)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE138644X | 1915-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL12042C true NL12042C (fr) |
Family
ID=5667401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL12042D NL12042C (fr) | 1915-07-06 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE301669C (fr) |
| FR (1) | FR509052A (fr) |
| GB (1) | GB138644A (fr) |
| NL (1) | NL12042C (fr) |
-
0
- NL NL12042D patent/NL12042C/xx active
- DE DENDAT301669D patent/DE301669C/de active Active
-
1920
- 1920-01-23 FR FR509052A patent/FR509052A/fr not_active Expired
- 1920-02-05 GB GB3581/20A patent/GB138644A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR509052A (fr) | 1920-10-30 |
| GB138644A (en) | 1921-04-28 |
| DE301669C (fr) |