BE479641A - - Google Patents
Info
- Publication number
- BE479641A BE479641A BE479641DA BE479641A BE 479641 A BE479641 A BE 479641A BE 479641D A BE479641D A BE 479641DA BE 479641 A BE479641 A BE 479641A
- 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
- G01S13/66—Radar-tracking systems; Analogous systems
- G01S13/70—Radar-tracking systems; Analogous systems for range tracking only
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/18—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1407/47A GB633490A (en) | 1947-01-15 | 1947-01-15 | Improvements in or relating to echo sounders and like devices for distance measuringin water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479641A true BE479641A (es) |
Family
ID=9721484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479641D BE479641A (es) | 1947-01-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2530035A (es) |
| BE (1) | BE479641A (es) |
| DE (1) | DE879966C (es) |
| ES (1) | ES181386A1 (es) |
| GB (1) | GB633490A (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3212054A (en) * | 1950-10-04 | 1965-10-12 | Robert S Gardner | Transmitter keying and receiver blanking circuit |
| US2738487A (en) * | 1950-12-22 | 1956-03-13 | Rca Corp | Sonic depthometer |
| US2759783A (en) * | 1952-03-10 | 1956-08-21 | Honeywell Regulator Co | Underwater ultrasonic detecting systems |
| US3229657A (en) * | 1952-08-20 | 1966-01-18 | Brooks Harvey | Echo ranging torpedo |
| US2939003A (en) * | 1957-06-06 | 1960-05-31 | Itt | Pulse modulation detector circuit |
| US2965844A (en) * | 1957-11-14 | 1960-12-20 | Jr Charles Clark | Visual indicating apparatus |
| US2913660A (en) * | 1957-11-14 | 1959-11-17 | Jr Charles Clark | Visual indicating apparatus |
| US3058063A (en) * | 1959-05-29 | 1962-10-09 | North American Aviation Inc | Frequency comparison means |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2032893A (en) * | 1930-05-16 | 1936-03-03 | Echometer Gmbh | Arrangement for the direct indication of time periods, especially for echo sounding |
| US2108090A (en) * | 1933-07-13 | 1938-02-15 | Submarine Signal Co | Apparatus for distance and depth measurement |
| US2179509A (en) * | 1935-08-16 | 1939-11-14 | Atlas Werke Ag | Depth measuring apparatus |
| DE743887C (de) * | 1938-03-21 | 1944-01-05 | Aeg | Verfahren zum Aussieben von Schallimpulsen aus einem Stoergeraeusch fuer die Echolotung von Luftfahrzeugen |
| DE701991C (de) * | 1939-07-25 | 1941-01-28 | Atlas Werke Ag | Nach dem Echoverfahren arbeitender Entfernungsmesser |
| US2358441A (en) * | 1941-07-12 | 1944-09-19 | Lane Wells Co | Inductive-capacitive electrical logging |
| US2446527A (en) * | 1942-03-28 | 1948-08-10 | Lane Wells Co | Phase shift logging of well bores |
| US2433385A (en) * | 1942-11-05 | 1947-12-30 | Bell Telephone Labor Inc | Submarine locating system |
-
0
- BE BE479641D patent/BE479641A/xx unknown
-
1947
- 1947-01-15 GB GB1407/47A patent/GB633490A/en not_active Expired
- 1947-12-31 ES ES0181386A patent/ES181386A1/es not_active Expired
-
1948
- 1948-01-13 US US2073A patent/US2530035A/en not_active Expired - Lifetime
-
1949
- 1949-02-05 DE DEP33331A patent/DE879966C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB633490A (en) | 1949-12-19 |
| DE879966C (de) | 1953-06-18 |
| ES181386A1 (es) | 1948-02-16 |
| US2530035A (en) | 1950-11-14 |