BE479654A - - Google Patents
Info
- Publication number
- BE479654A BE479654A BE479654DA BE479654A BE 479654 A BE479654 A BE 479654A BE 479654D A BE479654D A BE 479654DA BE 479654 A BE479654 A BE 479654A
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US582117A US2446937A (en) | 1945-03-10 | 1945-03-10 | Echo sounding indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479654A true BE479654A (th) |
Family
ID=24327922
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479655D BE479655A (th) | 1945-03-10 | ||
| BE479654D BE479654A (th) | 1945-03-10 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479655D BE479655A (th) | 1945-03-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2446937A (th) |
| BE (2) | BE479654A (th) |
| FR (1) | FR959536A (th) |
| GB (2) | GB644433A (th) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2560587A (en) * | 1945-10-31 | 1951-07-17 | Robert E Miller | Range and direction finder |
| US2997689A (en) * | 1946-03-26 | 1961-08-22 | Ford L Johnson | Distance measuring apparatus |
| BE479241A (th) * | 1946-12-11 | |||
| US2502938A (en) * | 1947-05-21 | 1950-04-04 | Raytheon Mfg Co | Sound ranging distance measuring system |
| US2561851A (en) * | 1948-05-15 | 1951-07-24 | Raytheon Mfg Co | Echo ranging system |
| US2599586A (en) * | 1948-08-03 | 1952-06-10 | Honeywell Regulator Co | Marine depth finder |
| US2767385A (en) * | 1950-03-04 | 1956-10-16 | Wilfrid O White & Sons Inc | Echo depth sounding apparatus |
| US3181116A (en) * | 1961-12-11 | 1965-04-27 | William F Gordon | Underwater telephone system |
| GB2247816B (en) * | 1990-09-06 | 1993-10-20 | Jonathan William Honn Sumption | Potting assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR576281A (fr) * | 1924-03-01 | 1924-08-13 | Procédé et appareils permettant la mesure directe ou l'enregistrement des profondeurs ou des distances en mer par la méthode de l'écho ultra-sonore | |
| FR657773A (th) * | 1928-04-17 | 1929-06-13 | ||
| GB355705A (en) * | 1930-05-23 | 1931-08-24 | Alec Harley Reeves | Improvements in or relating to electrical measuring systems and apparatus therefor |
| US2131993A (en) * | 1932-03-17 | 1938-10-04 | Sperry Gyroscope Co Inc | Sonic depth and height indicator |
| US2012837A (en) * | 1932-09-14 | 1935-08-27 | Time interval measuring | |
| US2105537A (en) * | 1934-04-18 | 1938-01-18 | Lorenz C Ag | Signaling method and arrangement therefor |
| BE421006A (th) * | 1936-04-09 | |||
| US2250708A (en) * | 1936-12-05 | 1941-07-29 | Telefunken Gmbh | Time interval measuring means |
| US2287174A (en) * | 1939-09-16 | 1942-06-23 | Bell Telephone Labor Inc | Relative phase measuring circuit and method |
| US2346093A (en) * | 1941-10-22 | 1944-04-04 | Rca Corp | Sonic depth indicator |
-
0
- FR FR959536D patent/FR959536A/fr not_active Expired
- BE BE479655D patent/BE479655A/xx unknown
- BE BE479654D patent/BE479654A/xx unknown
-
1945
- 1945-03-10 US US582117A patent/US2446937A/en not_active Expired - Lifetime
-
1947
- 1947-09-05 GB GB24559/47A patent/GB644433A/en not_active Expired
- 1947-11-24 GB GB31140/47A patent/GB644456A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE479655A (th) | |
| GB644433A (en) | 1950-10-11 |
| US2446937A (en) | 1948-08-10 |
| GB644456A (en) | 1950-10-11 |
| FR959536A (th) | 1950-03-31 |