NL69847C - - Google Patents
Info
- Publication number
- NL69847C NL69847C NL69847DA NL69847C NL 69847 C NL69847 C NL 69847C NL 69847D A NL69847D A NL 69847DA NL 69847 C NL69847 C NL 69847C
- 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)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US381301A US2310202A (en) | 1941-03-01 | 1941-03-01 | Electronic beacon modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69847C true NL69847C (forum.php) |
Family
ID=23504505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL69847D NL69847C (forum.php) | 1941-03-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2310202A (forum.php) |
| BE (1) | BE462746A (forum.php) |
| CH (1) | CH264652A (forum.php) |
| DE (1) | DE874322C (forum.php) |
| NL (1) | NL69847C (forum.php) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE482825A (forum.php) * | 1943-08-26 | |||
| US2434934A (en) * | 1945-03-01 | 1948-01-27 | Donald J Kitzerow | Localizer radio antenna array |
| BE478008A (forum.php) * | 1946-12-12 | |||
| NL7601477A (nl) * | 1975-02-27 | 1976-08-31 | Int Standard Electric Corp | Landingskoerszendinstallatie of glijpadzend- installatie voor een instrumentlandingsstelsel. |
-
0
- NL NL69847D patent/NL69847C/xx active
- BE BE462746D patent/BE462746A/xx unknown
-
1941
- 1941-03-01 US US381301A patent/US2310202A/en not_active Expired - Lifetime
-
1947
- 1947-08-21 CH CH264652D patent/CH264652A/de unknown
-
1950
- 1950-10-01 DE DEF4299A patent/DE874322C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE874322C (de) | 1953-04-23 |
| BE462746A (forum.php) | |
| US2310202A (en) | 1943-02-09 |
| CH264652A (de) | 1949-10-31 |