NL69644C - - Google Patents
Info
- Publication number
- NL69644C NL69644C NL69644DA NL69644C NL 69644 C NL69644 C NL 69644C NL 69644D A NL69644D A NL 69644DA NL 69644 C NL69644 C NL 69644C
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/08—Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US602448A US2449977A (en) | 1945-06-30 | 1945-06-30 | Location indicating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69644C true NL69644C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=24411404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL69644D NL69644C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1945-06-30 |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2891246A (en) * | 1945-12-10 | 1959-06-16 | Jr John C Reed | Beacon system |
| US2538063A (en) * | 1946-07-11 | 1951-01-16 | Touvet Guy | Search and orientation system |
| BE476540A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1946-07-16 | |||
| US2589808A (en) * | 1946-10-21 | 1952-03-18 | Hazeltine Research Inc | Transpondor system |
| US2479953A (en) * | 1947-01-03 | 1949-08-23 | Gen Electric | Radar display system |
| US2514436A (en) * | 1948-06-18 | 1950-07-11 | Luis W Alvarez | Airway monitoring and control system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB158897A (en) * | 1919-06-12 | 1921-12-02 | Walter William Conners | Means for representing in similitude the location and movement of a body |
| US2132599A (en) * | 1935-12-23 | 1938-10-11 | Baumann Karl | Landing means for aircraft |
| US2252083A (en) * | 1938-04-23 | 1941-08-12 | Rca Corp | Radio traffic control |
| US2321698A (en) * | 1940-06-06 | 1943-06-15 | George V Nolde | Navigational guide system |
-
0
- BE BE471101D patent/BE471101A/xx unknown
- NL NL69644D patent/NL69644C/xx active
-
1945
- 1945-06-30 US US602448A patent/US2449977A/en not_active Expired - Lifetime
-
1946
- 1946-06-06 GB GB17268/46A patent/GB625734A/en not_active Expired
- 1946-11-27 FR FR938473D patent/FR938473A/fr not_active Expired
-
1950
- 1950-10-01 DE DEF4322A patent/DE902861C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR938473A (fr) | 1948-09-16 |
| DE902861C (de) | 1954-01-28 |
| GB625734A (en) | 1949-07-04 |
| BE471101A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| US2449977A (en) | 1948-09-28 |