NL7305991A - - Google Patents
Info
- Publication number
- NL7305991A NL7305991A NL7305991A NL7305991A NL7305991A NL 7305991 A NL7305991 A NL 7305991A NL 7305991 A NL7305991 A NL 7305991A NL 7305991 A NL7305991 A NL 7305991A NL 7305991 A NL7305991 A NL 7305991A
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8977—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using special techniques for image reconstruction, e.g. FFT, geometrical transformations, spatial deconvolution, time deconvolution
-
- 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
- G01S1/02—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 radio waves
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/56—Display arrangements
- G01S7/62—Cathode-ray tube displays
- G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7215414A FR2181581B1 (https=) | 1972-04-28 | 1972-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7305991A true NL7305991A (https=) | 1973-10-30 |
Family
ID=9097789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7305991A NL7305991A (https=) | 1972-04-28 | 1973-04-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3852745A (https=) |
| DE (1) | DE2321528A1 (https=) |
| FR (1) | FR2181581B1 (https=) |
| GB (1) | GB1372657A (https=) |
| NL (1) | NL7305991A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209853A (en) * | 1974-07-22 | 1980-06-24 | Hyatt Gilbert P | Holographic system for object location and identification |
| US3909827A (en) * | 1974-08-30 | 1975-09-30 | Gen Dynamics Corp | Method of and system for microwave interferometry |
| US4170142A (en) * | 1977-07-15 | 1979-10-09 | Electric Power Research Institute, Inc. | Linear transducer array and method for both pulse-echo and holographic acoustic imaging |
| DE3024995A1 (de) * | 1980-07-02 | 1982-01-28 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Ultraschall-untersuchungsanordnung |
| US5132693A (en) * | 1990-05-31 | 1992-07-21 | The Boeing Company | Radar apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484739A (en) * | 1967-09-08 | 1969-12-16 | Shell Oil Co | Optical acoustic seismic model |
| US3631384A (en) * | 1969-04-04 | 1971-12-28 | Shell Oil Co | Seismic holography |
| US3719922A (en) * | 1971-06-24 | 1973-03-06 | L Lopes | Digital camera |
-
1972
- 1972-04-28 FR FR7215414A patent/FR2181581B1/fr not_active Expired
-
1973
- 1973-04-27 NL NL7305991A patent/NL7305991A/xx not_active Application Discontinuation
- 1973-04-27 DE DE2321528A patent/DE2321528A1/de active Pending
- 1973-04-30 US US00355684A patent/US3852745A/en not_active Expired - Lifetime
- 1973-04-30 GB GB2052173A patent/GB1372657A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1372657A (en) | 1974-11-06 |
| FR2181581A1 (https=) | 1973-12-07 |
| US3852745A (en) | 1974-12-03 |
| DE2321528A1 (de) | 1973-11-15 |
| FR2181581B1 (https=) | 1976-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |