NL11892C - - Google Patents
Info
- Publication number
- NL11892C NL11892C NL11892DA NL11892C NL 11892 C NL11892 C NL 11892C NL 11892D A NL11892D A NL 11892DA NL 11892 C NL11892 C NL 11892C
- 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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2931020A GB152616A (en) | 1920-10-16 | 1920-10-16 | Improvements in submarine sound receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL11892C true NL11892C (xx) |
Family
ID=10289502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL11892D NL11892C (xx) | 1920-10-16 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB152616A (xx) |
| NL (1) | NL11892C (xx) |
-
0
- NL NL11892D patent/NL11892C/xx active
-
1920
- 1920-10-16 GB GB2931020A patent/GB152616A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB152616A (en) | 1922-02-16 |