NL160393C - DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS. - Google Patents
DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS.Info
- Publication number
- NL160393C NL160393C NL287201A NL287201A NL160393C NL 160393 C NL160393 C NL 160393C NL 287201 A NL287201 A NL 287201A NL 287201 A NL287201 A NL 287201A NL 160393 C NL160393 C NL 160393C
- Authority
- NL
- Netherlands
- Prior art keywords
- determination device
- acoustic signals
- direction determination
- acoustic
- signals
- Prior art date
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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/84—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves with indication presented on cathode-ray tubes
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/8006—Multi-channel systems specially adapted for direction-finding, i.e. having a single aerial system capable of giving simultaneous indications of the directions of different signals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Mechanical Vibrations Or 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 |
---|---|---|---|
FR883258A FR1605544A (en) | 1961-12-28 | 1961-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL160393B NL160393B (en) | 1979-05-15 |
NL160393C true NL160393C (en) | 1979-10-15 |
Family
ID=8769545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL287201A NL160393C (en) | 1961-12-28 | 1962-12-27 | DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1441485C1 (en) |
FR (1) | FR1605544A (en) |
GB (1) | GB1560681A (en) |
NL (1) | NL160393C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4279027A (en) * | 1979-09-13 | 1981-07-14 | Honeywell Inc. | Acoustic sensor |
GB2147760B (en) * | 1983-10-07 | 1987-04-15 | Racal Res Ltd | Direction finding systems |
US4703459A (en) * | 1984-12-03 | 1987-10-27 | Exxon Production Research Company | Directional acoustic logger apparatus and method |
-
1961
- 1961-12-28 FR FR883258A patent/FR1605544A/fr not_active Expired
-
1962
- 1962-12-12 GB GB4701162A patent/GB1560681A/en not_active Expired
- 1962-12-27 NL NL287201A patent/NL160393C/en not_active IP Right Cessation
- 1962-12-27 DE DE1962C0028770 patent/DE1441485C1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1441485C1 (en) | 1980-04-03 |
FR1605544A (en) | 1979-06-29 |
GB1560681A (en) | 1980-02-06 |
NL160393B (en) | 1979-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL148423B (en) | DEVICE FOR SCANNING A CURVE. | |
NL148247B (en) | DEVICE FOR GENERATING SONIC PRESSURE WAVES. | |
FI35014A (en) | sound system | |
NL140171B (en) | DEVICE FOR INSERTING BOLTS. | |
NL144798B (en) | SIGNAL AMPLIFIER. | |
NL139429B (en) | DEVICE FOR TRANSMITTING ACOUSTIC WAVES. | |
NL160393C (en) | DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS. | |
FR1341920A (en) | Electro-acoustic transducer | |
NL157428B (en) | GONIOMETRIC RECEIVER FOR ACOUSTIC SIGNALS. | |
DK108837C (en) | Sonar device. | |
FR1315545A (en) | Electroacoustic transducer | |
NL261164A (en) | Device for hearing-voice adaptation | |
NL160941C (en) | PIEZO-ELECTRIC MEASURING DEVICE. | |
FR1330592A (en) | Electrostatic transducer | |
NL144111B (en) | DEMODULATION DEVICE FOR MULTI-STEREOPHONIC SIGNALS. | |
NL146006B (en) | DEVICE FOR GENERATING A TEST SIGNAL. | |
NL143398B (en) | RECEIVER FOR TONE-FREQUENTLY CODED SIGNALS. | |
NL6409757A (en) | Verdeel-apparaat voor kousen of dergelijke. | |
ES158716Y (en) | AN ACOUSTIC DEVICE FOR SIGNALS. | |
FR1318513A (en) | Microphone | |
BE589725A (en) | Sound reproduction device. | |
NL140196B (en) | ANTI-ROLLER DEVICE FOR A SHIP. | |
BE618163A (en) | Reflection polarization device. | |
ES86522Y (en) | Sound pickup for telephone couplings | |
FR1329429A (en) | Sonic transducer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: FIL |