NL3490C - - Google Patents
Info
- Publication number
- NL3490C NL3490C NL3490DA NL3490C NL 3490 C NL3490 C NL 3490C NL 3490D A NL3490D A NL 3490DA NL 3490 C NL3490 C NL 3490C
- 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)
- Toys (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR320965X | 1914-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL3490C true NL3490C (cg-RX-API-DMAC10.html) |
Family
ID=8890082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL3490D NL3490C (cg-RX-API-DMAC10.html) | 1914-06-24 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE320965C (cg-RX-API-DMAC10.html) |
| FR (2) | FR477654A (cg-RX-API-DMAC10.html) |
| GB (1) | GB191422879A (cg-RX-API-DMAC10.html) |
| NL (1) | NL3490C (cg-RX-API-DMAC10.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE759307C (de) * | 1939-03-24 | 1954-03-01 | Siemens & Halske A G | Verfahren und Schaltungsanordnung zur Erzeugung zweier Wechsel-spannungen gleicher Frequenz mit wahlweiser Einstellung beliebiger Phasenwinkel fuer Messzwecke |
| DE1063658B (de) * | 1957-07-24 | 1959-08-20 | Telefunken Gmbh | Mehrfachadcockantenne |
-
0
- NL NL3490D patent/NL3490C/xx active
- FR FR20774A patent/FR20774E/fr not_active Expired
-
1914
- 1914-06-24 FR FR477654A patent/FR477654A/fr not_active Expired
- 1914-11-21 GB GB191422879D patent/GB191422879A/en not_active Expired
-
1915
- 1915-06-24 DE DE1915320965D patent/DE320965C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE320965C (de) | 1920-05-15 |
| FR477654A (fr) | 1915-11-04 |
| FR20774E (fr) | 1919-06-14 |
| GB191422879A (en) | 1915-05-27 |