NL78888C - - Google Patents
Info
- Publication number
- NL78888C NL78888C NL78888DA NL78888C NL 78888 C NL78888 C NL 78888C NL 78888D A NL78888D A NL 78888DA NL 78888 C NL78888 C NL 78888C
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL657343X | 1947-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL78888C true NL78888C (xx) |
Family
ID=19795271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL78888D NL78888C (xx) | 1947-12-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2596595A (xx) |
| BE (1) | BE486465A (xx) |
| FR (1) | FR58922E (xx) |
| GB (1) | GB657343A (xx) |
| NL (1) | NL78888C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3741497A (en) * | 1996-07-29 | 1998-02-20 | Motorola, Inc. | Magnetic field antenna and method for field cancellation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB519350A (en) * | 1937-12-06 | 1940-03-21 | Standard Telephones Cables Ltd | Directional radio antenna arrays |
| US2289856A (en) * | 1940-09-25 | 1942-07-14 | Internat Telephone & Eadio Mfg | Broadcasting antenna system |
-
0
- NL NL78888D patent/NL78888C/xx active
- BE BE486465D patent/BE486465A/xx unknown
-
1948
- 1948-10-19 US US55316A patent/US2596595A/en not_active Expired - Lifetime
- 1948-12-20 GB GB32855/48A patent/GB657343A/en not_active Expired
- 1948-12-21 FR FR58922D patent/FR58922E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB657343A (en) | 1951-09-19 |
| BE486465A (xx) | |
| US2596595A (en) | 1952-05-13 |
| FR58922E (fr) | 1954-04-22 |