FR2012818A1 - - Google Patents
Info
- Publication number
- FR2012818A1 FR2012818A1 FR6922538A FR6922538A FR2012818A1 FR 2012818 A1 FR2012818 A1 FR 2012818A1 FR 6922538 A FR6922538 A FR 6922538A FR 6922538 A FR6922538 A FR 6922538A FR 2012818 A1 FR2012818 A1 FR 2012818A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
-
- 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
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/809—Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681766751 DE1766751C3 (de) | 1968-07-12 | Sonaranlage zum Aussenden Von gerichteten Lotimpulsen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2012818A1 true FR2012818A1 (https=) | 1970-03-27 |
| FR2012818B1 FR2012818B1 (https=) | 1974-05-31 |
Family
ID=5699081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6922538A Expired FR2012818B1 (https=) | 1968-07-12 | 1969-07-03 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2012818B1 (https=) |
| GB (1) | GB1251859A (https=) |
-
1969
- 1969-07-03 FR FR6922538A patent/FR2012818B1/fr not_active Expired
- 1969-07-11 GB GB1251859D patent/GB1251859A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2012818B1 (https=) | 1974-05-31 |
| GB1251859A (https=) | 1971-11-03 |
| DE1766751B2 (de) | 1976-02-05 |
| DE1766751A1 (de) | 1971-08-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AR | Application made for restoration | ||
| ST | Notification of lapse | ||
| JD | Different final judgements |