NL228194A - - Google Patents
Info
- Publication number
- NL228194A NL228194A NL228194DA NL228194A NL 228194 A NL228194 A NL 228194A NL 228194D A NL228194D A NL 228194DA NL 228194 A NL228194 A NL 228194A
- 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
- G01S1/02—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
-
- 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 |
|---|---|---|---|
| DEA27180A DE977807C (de) | 1962-11-10 | 1957-05-20 | Verfahren und Einrichtung zur horizontalen Echolotung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL228194A true NL228194A (enrdf_load_html_response) |
Family
ID=6926342
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL228194D NL228194A (enrdf_load_html_response) | 1957-05-20 | ||
| NL113396D NL113396C (enrdf_load_html_response) | 1957-05-20 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL113396D NL113396C (enrdf_load_html_response) | 1957-05-20 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1602853A (enrdf_load_html_response) |
| NL (2) | NL113396C (enrdf_load_html_response) |
-
0
- NL NL228194D patent/NL228194A/xx unknown
- NL NL113396D patent/NL113396C/xx active
-
1958
- 1958-05-20 FR FR1602853D patent/FR1602853A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL113396C (enrdf_load_html_response) | |
| FR1602853A (enrdf_load_html_response) | 1971-02-08 |