NL52083C - - Google Patents
Info
- Publication number
- NL52083C NL52083C NL52083DA NL52083C NL 52083 C NL52083 C NL 52083C NL 52083D A NL52083D A NL 52083DA NL 52083 C NL52083 C NL 52083C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
-
- 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)
- Multimedia (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET46001D DE673332C (de) | 1935-11-13 | 1935-11-13 | Zielflugempfaenger mit optischer und akustischer Anzeige |
| GB3323238A GB520609A (en) | 1938-11-15 | 1938-11-15 | Improvements in or relating to directional radio receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52083C true NL52083C (no) |
Family
ID=26000604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52083D NL52083C (no) | 1935-11-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2271550A (no) |
| CH (1) | CH214426A (no) |
| DE (1) | DE673332C (no) |
| NL (1) | NL52083C (no) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2438946A (en) * | 1943-02-20 | 1948-04-06 | Standard Telephones Cables Ltd | Radio direction finding system |
| US2490777A (en) * | 1945-05-22 | 1949-12-13 | Herwil M Bryant | Indicator system |
| US2831189A (en) * | 1945-06-23 | 1958-04-15 | Robert J Kemper | Wide band homing system |
| US2489304A (en) * | 1945-06-27 | 1949-11-29 | Standard Telephones Cables Ltd | Direction finder |
| US2568538A (en) * | 1948-03-03 | 1951-09-18 | Marconi Wireless Telegraph Co | Radio direction finder |
| US2820963A (en) * | 1953-11-27 | 1958-01-21 | Aircraft Specialty Lines | Radio direction finding circuit |
-
0
- NL NL52083D patent/NL52083C/xx active
-
1935
- 1935-11-13 DE DET46001D patent/DE673332C/de not_active Expired
-
1938
- 1938-08-08 CH CH214426D patent/CH214426A/de unknown
-
1939
- 1939-01-12 US US250486A patent/US2271550A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH214426A (de) | 1941-04-30 |
| US2271550A (en) | 1942-02-03 |
| DE673332C (de) | 1939-03-20 |