NL6816136A - - Google Patents
Info
- Publication number
- NL6816136A NL6816136A NL6816136A NL6816136A NL6816136A NL 6816136 A NL6816136 A NL 6816136A NL 6816136 A NL6816136 A NL 6816136A NL 6816136 A NL6816136 A NL 6816136A NL 6816136 A NL6816136 A NL 6816136A
- Authority
- NL
- Netherlands
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)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1566858 | 1967-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6816136A true NL6816136A (https=) | 1969-05-23 |
Family
ID=5678025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6816136A NL6816136A (https=) | 1967-11-21 | 1968-11-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3496527A (https=) |
| DE (1) | DE1566858B1 (https=) |
| FR (1) | FR1592479A (https=) |
| GB (1) | GB1257637A (https=) |
| NL (1) | NL6816136A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123681A (en) * | 1974-08-29 | 1978-10-31 | The United States Of America As Represented By The Secretary Of The Navy | Wide band proportional transducer array |
| DE3061871D1 (en) * | 1979-05-10 | 1983-03-17 | Australasian Training Aids Pty | Projectile locating apparatus |
| US4789968A (en) * | 1987-04-24 | 1988-12-06 | Exxon Production Research Company | Method and system for seismic exploration employing a dual-dipole hydrophone streamer |
| US5177316A (en) * | 1991-01-18 | 1993-01-05 | Honigsbaum Richard F | Process and apparatus for attacking rotating wing aircraft |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2724818A (en) * | 1951-08-21 | 1955-11-22 | Bendix Aviat Corp | Magnetostriction vibrator construction for directional transducers |
| US3043967A (en) * | 1960-01-13 | 1962-07-10 | Walter L Clearwaters | Electrostrictive transducer |
| US3142035A (en) * | 1960-02-04 | 1964-07-21 | Harris Transducer Corp | Ring-shaped transducer |
| US3290646A (en) * | 1960-04-06 | 1966-12-06 | Raytheon Co | Sonar transducer |
| US3136381A (en) * | 1960-05-03 | 1964-06-09 | Halliburton Co | Directed acoustic velocity logging |
| US3264604A (en) * | 1961-06-12 | 1966-08-02 | Bartlett Lab Inc | Transducer |
| US3325780A (en) * | 1965-10-21 | 1967-06-13 | John J Horan | Flexural transducers |
-
1967
- 1967-11-21 DE DE19671566858D patent/DE1566858B1/de active Pending
-
1968
- 1968-11-13 NL NL6816136A patent/NL6816136A/xx unknown
- 1968-11-19 GB GB1257637D patent/GB1257637A/en not_active Expired
- 1968-11-21 US US777806A patent/US3496527A/en not_active Expired - Lifetime
- 1968-11-21 FR FR1592479D patent/FR1592479A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1592479A (https=) | 1970-05-11 |
| US3496527A (en) | 1970-02-17 |
| GB1257637A (https=) | 1971-12-22 |
| DE1566858B1 (de) | 1970-09-24 |