NL31603C - - Google Patents
Info
- Publication number
- NL31603C NL31603C NL31603DA NL31603C NL 31603 C NL31603 C NL 31603C NL 31603D A NL31603D A NL 31603DA NL 31603 C NL31603 C NL 31603C
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Aerials With Secondary Devices (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE367286X | 1930-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31603C true NL31603C (en(2012)) |
Family
ID=6317895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31603D NL31603C (en(2012)) | 1930-07-02 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE567640C (en(2012)) |
| FR (1) | FR719282A (en(2012)) |
| GB (1) | GB367286A (en(2012)) |
| NL (1) | NL31603C (en(2012)) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE942454C (de) * | 1943-12-22 | 1956-05-03 | Atlas Werke Ag | Vorrichtung zum gerichteten Senden oder Empfangen von Wellenenergie |
| DE1294693B (de) * | 1964-01-03 | 1969-05-08 | Franz Dr Ing | Geodaetisches Winkelmessverfahren |
-
0
- NL NL31603D patent/NL31603C/xx active
-
1930
- 1930-07-31 DE DE1930567640D patent/DE567640C/de not_active Expired
-
1931
- 1931-06-30 FR FR719282D patent/FR719282A/fr not_active Expired
- 1931-07-02 GB GB19150/31A patent/GB367286A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE567640C (de) | 1933-01-06 |
| FR719282A (fr) | 1932-02-03 |
| GB367286A (en) | 1932-02-18 |