BE441059A - - Google Patents
Info
- Publication number
- BE441059A BE441059A BE441059DA BE441059A BE 441059 A BE441059 A BE 441059A BE 441059D A BE441059D A BE 441059DA BE 441059 A BE441059 A BE 441059A
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US293741A US2248599A (en) | 1939-09-07 | 1939-09-07 | Radio distance meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441059A true BE441059A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=23130382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441059D BE441059A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1939-09-07 |
Country Status (3)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2417815A (en) * | 1940-03-15 | 1947-03-25 | Standard Telephones Cables Ltd | Radio distance meter |
| US2966676A (en) * | 1942-06-30 | 1960-12-27 | Bessie E Fox | Electronic apparatus and method for measuring distance |
| US3016513A (en) * | 1943-05-26 | 1962-01-09 | Karl S Van Dyke | Fm echo-ranging system |
| US2521683A (en) * | 1944-06-29 | 1950-09-12 | Eastern Ind Inc | Traffic detection apparatus |
| US2622241A (en) * | 1946-02-25 | 1952-12-16 | Rca Corp | Device for calibrating frequency modulated radar equipment |
| US2595241A (en) * | 1947-08-01 | 1952-05-06 | Eastman Oil Well Survey Co | Method and apparatus for measuring the cross sectional area of well bores by supersonic waves |
| US2977590A (en) * | 1953-02-12 | 1961-03-28 | Robert C Lovick | Method of testing a proximity fuze |
| US3112481A (en) * | 1957-12-20 | 1963-11-26 | Litton Systems Inc | Continuous wave frequency modulation distance measuring apparatus |
| AU2003242019A1 (en) * | 2002-06-07 | 2003-12-22 | Shima Seiki Manufacturing Limited | Distance measurement method and device |
-
0
- BE BE441059D patent/BE441059A/xx unknown
-
1939
- 1939-09-07 US US293741A patent/US2248599A/en not_active Expired - Lifetime
-
1940
- 1940-09-05 GB GB13895/40A patent/GB540999A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB540999A (en) | 1941-11-07 |
| US2248599A (en) | 1941-07-08 |