NL68362C - - Google Patents
Info
- Publication number
- NL68362C NL68362C NL68362DA NL68362C NL 68362 C NL68362 C NL 68362C NL 68362D A NL68362D A NL 68362DA NL 68362 C NL68362 C NL 68362C
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE408321X | 1932-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL68362C true NL68362C (xx) |
Family
ID=6422284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL68362D NL68362C (xx) | 1932-01-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2093885A (xx) |
| BE (1) | BE414648A (xx) |
| FR (1) | FR742314A (xx) |
| GB (1) | GB408321A (xx) |
| NL (1) | NL68362C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2549860A (en) * | 1936-09-10 | 1951-04-24 | Swanson Mark | Method of and means for indicating a chosen area |
| BE474949A (xx) * | 1942-03-10 | |||
| US2478734A (en) * | 1944-04-29 | 1949-08-09 | Sperry Corp | Signal detecting system |
| US2489615A (en) * | 1947-09-13 | 1949-11-29 | Hazeltine Research Inc | Radio aid to air navigation |
-
0
- FR FR742314D patent/FR742314A/fr not_active Expired
- NL NL68362D patent/NL68362C/xx active
- BE BE414648D patent/BE414648A/xx unknown
-
1932
- 1932-10-07 GB GB27941/32A patent/GB408321A/en not_active Expired
- 1932-12-20 US US648080A patent/US2093885A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2093885A (en) | 1937-09-21 |
| BE414648A (xx) | |
| FR742314A (xx) | 1933-03-04 |
| GB408321A (en) | 1934-04-09 |