NL51162C - - Google Patents
Info
- Publication number
- NL51162C NL51162C NL51162DA NL51162C NL 51162 C NL51162 C NL 51162C NL 51162D A NL51162D A NL 51162DA NL 51162 C NL51162 C NL 51162C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
-
- 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)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Lock And Its Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE205225X | 1937-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL51162C true NL51162C (fr) |
Family
ID=5786023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL51162D NL51162C (fr) | 1937-04-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2217424A (fr) |
| CH (1) | CH205225A (fr) |
| FR (1) | FR836494A (fr) |
| GB (1) | GB498985A (fr) |
| NL (1) | NL51162C (fr) |
-
0
- NL NL51162D patent/NL51162C/xx active
-
1938
- 1938-03-03 US US193641A patent/US2217424A/en not_active Expired - Lifetime
- 1938-04-09 CH CH205225D patent/CH205225A/de unknown
- 1938-04-11 FR FR836494D patent/FR836494A/fr not_active Expired
- 1938-04-12 GB GB11220/38A patent/GB498985A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB498985A (en) | 1939-01-17 |
| CH205225A (de) | 1939-06-15 |
| US2217424A (en) | 1940-10-08 |
| FR836494A (fr) | 1939-01-18 |