BE446655A - - Google Patents
Info
- Publication number
- BE446655A BE446655A BE446655DA BE446655A BE 446655 A BE446655 A BE 446655A BE 446655D A BE446655D A BE 446655DA BE 446655 A BE446655 A BE 446655A
- Authority
- BE
- Belgium
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)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2440268X | 1941-01-17 | ||
| FR2388262X | 1941-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE446655A true BE446655A (US20090163788A1-20090625-C00002.png) |
Family
ID=32178824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE446655D BE446655A (US20090163788A1-20090625-C00002.png) | 1941-01-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US2388262A (US20090163788A1-20090625-C00002.png) |
| BE (1) | BE446655A (US20090163788A1-20090625-C00002.png) |
| FR (1) | FR959316A (US20090163788A1-20090625-C00002.png) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR959316A (US20090163788A1-20090625-C00002.png) * | 1941-01-17 | 1950-03-29 | ||
| US2489279A (en) * | 1944-08-04 | 1949-11-29 | Standard Telephones Cables Ltd | Direction finding system |
| US2871476A (en) * | 1944-09-11 | 1959-01-27 | Itt | Direction finder |
| US2488022A (en) * | 1945-02-01 | 1949-11-15 | Rca Corp | Radio receiving and indicating system |
| US2468116A (en) * | 1945-03-06 | 1949-04-26 | Standard Telephones Cables Ltd | Direction finder |
| BE468032A (US20090163788A1-20090625-C00002.png) * | 1945-05-21 | |||
| US2475612A (en) * | 1945-06-27 | 1949-07-12 | Paul G Hansel | Direction finding system |
| US2572975A (en) * | 1945-08-20 | 1951-10-30 | France B Berger | Radio antenna scanning and azimuth marking means |
| US2543034A (en) * | 1945-08-21 | 1951-02-27 | Standard Telephones Cables Ltd | Earth inductor compass indicating system |
| US2502447A (en) * | 1945-10-16 | 1950-04-04 | Standard Telephones Cables Ltd | Automatic direction finder |
| US2494553A (en) * | 1945-10-16 | 1950-01-17 | Paul G Hansel | Direction finding system |
| US2495710A (en) * | 1946-03-09 | 1950-01-31 | Standard Telephones Cables Ltd | Radio beacon receiver control circuit |
| US2478300A (en) * | 1946-04-02 | 1949-08-09 | Carlton A Mizen | Radio direction indicator |
| US2483399A (en) * | 1946-04-09 | 1949-10-04 | Fed Telecomm Lab Inc | Radio direction finder |
| US2607034A (en) * | 1946-04-29 | 1952-08-12 | Maxwell K Goldstein | Signal generator system |
| FR956766A (US20090163788A1-20090625-C00002.png) * | 1946-07-01 | 1950-02-07 | ||
| US2728910A (en) * | 1949-07-26 | 1955-12-27 | Marconi Wireless Telegraph Co | Radio direction finders |
| NL182875B (nl) * | 1951-09-01 | Aardelite Holding Bv | Installatie voor het vervaardigen van deeltjesvormig materiaal. | |
| US2721996A (en) * | 1952-07-23 | 1955-10-25 | Bendix Aviat Corp | Triggering circuit |
| US2804590A (en) * | 1953-06-20 | 1957-08-27 | Tanaka Isokazu | Apparatus applicable to comparison of electric devices |
| US2957245A (en) * | 1957-05-29 | 1960-10-25 | Creighton B Kimble | Electronic reticle generator |
| US4724442A (en) * | 1986-05-29 | 1988-02-09 | E-Systems, Inc. | Method and apparatus for loop direction finding with no ambiguity |
| US5003316A (en) * | 1989-04-24 | 1991-03-26 | E-Systems, Inc. | Single null miniature direction finder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL57900C (US20090163788A1-20090625-C00002.png) * | 1937-11-06 | |||
| US2279466A (en) * | 1938-09-20 | 1942-04-14 | Telefunken Gmbh | Radio direction finder |
| FR959316A (US20090163788A1-20090625-C00002.png) * | 1941-01-17 | 1950-03-29 | ||
| US2320908A (en) * | 1941-03-05 | 1943-06-01 | Int Standard Electric Corp | Radio compass |
-
0
- FR FR959316D patent/FR959316A/fr not_active Expired
- BE BE446655D patent/BE446655A/xx unknown
-
1942
- 1942-04-24 US US440415A patent/US2388262A/en not_active Expired - Lifetime
-
1943
- 1943-05-28 US US488875A patent/US2440268A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR959316A (US20090163788A1-20090625-C00002.png) | 1950-03-29 |
| US2440268A (en) | 1948-04-27 |
| US2388262A (en) | 1945-11-06 |
