BE536715A - - Google Patents
Info
- Publication number
- BE536715A BE536715A BE536715DA BE536715A BE 536715 A BE536715 A BE 536715A BE 536715D A BE536715D A BE 536715DA BE 536715 A BE536715 A BE 536715A
- 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
- G01S1/72—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 ultrasonic, sonic or infrasonic 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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Fire Alarms (AREA)
- Audible And Visible Signals (AREA)
- Recording Measured Values (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US418395A US2759168A (en) | 1954-03-24 | 1954-03-24 | Echo depth sounder alarms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE536715A true BE536715A (es) |
Family
ID=23657951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE536715D BE536715A (es) | 1954-03-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2759168A (es) |
| BE (1) | BE536715A (es) |
| DE (1) | DE1008619B (es) |
| GB (1) | GB771939A (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3212055A (en) * | 1961-06-22 | 1965-10-12 | Electronic Res Associates Inc | Distance measuring system |
| US3348230A (en) * | 1964-01-13 | 1967-10-17 | Ross Lab Inc | Recording indicators for pulse-echo type detection systems |
| US4549177A (en) * | 1983-04-06 | 1985-10-22 | The United States Of America As Represented By The Secretary Of The Navy | Precision fathometer interface adaptor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1516094A (en) * | 1922-07-03 | 1924-11-18 | Hackman Mfg Company | Water-level-recording device |
| US2009459A (en) * | 1929-07-29 | 1935-07-30 | Submarine Signal Co | Distance and depth finding |
| DE727199C (de) * | 1938-09-28 | 1942-10-29 | Electroacustic Ges M B H | Verfahren und Einrichtung zur Bestimmung der Richtung und/oder der Entfernung von Gegenstaenden nach der Echomethode unter Verwendung von Unterwasserschallgeraeten |
| US2437416A (en) * | 1941-11-07 | 1948-03-09 | Nat Simplex Bludworth Inc | Deep and shoal alarm |
| FR928919A (es) * | 1945-06-05 | 1947-12-19 | ||
| US2597199A (en) * | 1948-05-25 | 1952-05-20 | Bendix Aviat Corp | Echo distance measuring apparatus |
| US2557197A (en) * | 1949-04-11 | 1951-06-19 | Bendix Aviat Corp | Adjustable contact structure for periodic switches |
-
0
- BE BE536715D patent/BE536715A/xx unknown
-
1954
- 1954-03-24 US US418395A patent/US2759168A/en not_active Expired - Lifetime
-
1955
- 1955-03-01 GB GB6082/55A patent/GB771939A/en not_active Expired
- 1955-03-21 DE DER16256A patent/DE1008619B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1008619B (de) | 1957-05-16 |
| US2759168A (en) | 1956-08-14 |
| GB771939A (en) | 1957-04-10 |