NL44763C - - Google Patents
Info
- Publication number
- NL44763C NL44763C NL44763DA NL44763C NL 44763 C NL44763 C NL 44763C NL 44763D A NL44763D A NL 44763DA NL 44763 C NL44763 C NL 44763C
- 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 |
|---|---|---|---|
| DE450484X | 1934-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL44763C true NL44763C (xx) |
Family
ID=6538403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL44763D NL44763C (xx) | 1934-01-27 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB450484A (xx) |
| NL (1) | NL44763C (xx) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2531455A (en) * | 1942-02-04 | 1950-11-28 | Sperry Corp | Directive antenna structure |
| US2500552A (en) * | 1942-08-13 | 1950-03-14 | Rca Corp | Electronic indicator system for radar with spinning antenna or the like |
| US2539657A (en) * | 1942-10-16 | 1951-01-30 | Rca Corp | Parabolic antenna system for radio locators |
| US2520945A (en) * | 1943-08-18 | 1950-09-05 | Sperry Corp | Wave transmission apparatus |
| US2423150A (en) * | 1943-12-10 | 1947-07-01 | Rca Corp | Lobe switching antenna |
| US2513962A (en) * | 1944-05-09 | 1950-07-04 | Gen Electric | Directive radiant energy object locating system |
| US2512139A (en) * | 1944-12-29 | 1950-06-20 | Us Sec War | Antenna |
| US2605418A (en) * | 1945-05-09 | 1952-07-29 | Albert M Grass | Scanning system |
| US2635191A (en) * | 1945-07-09 | 1953-04-14 | Jr Lewis E Swarts | Antenna |
| US2646507A (en) * | 1945-08-01 | 1953-07-21 | Us Sec War | Antenna |
| US2644092A (en) * | 1945-08-30 | 1953-06-30 | Us Sec War | Antenna |
| US2671854A (en) * | 1945-09-06 | 1954-03-09 | Halpern Julius | Conical scanning antenna |
| US2643338A (en) * | 1945-09-18 | 1953-06-23 | Us Navy | Conical scan antenna |
| US2646508A (en) * | 1945-10-26 | 1953-07-21 | Gen Electric | Nutating antenna |
-
0
- NL NL44763D patent/NL44763C/xx active
-
1935
- 1935-01-28 GB GB2833/35A patent/GB450484A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB450484A (en) | 1936-07-20 |