FR2171346A1 - - Google Patents
Info
- Publication number
- FR2171346A1 FR2171346A1 FR7304622A FR7304622A FR2171346A1 FR 2171346 A1 FR2171346 A1 FR 2171346A1 FR 7304622 A FR7304622 A FR 7304622A FR 7304622 A FR7304622 A FR 7304622A FR 2171346 A1 FR2171346 A1 FR 2171346A1
- 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
-
- 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
-
- 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
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52046—Techniques for image enhancement involving transmitter or receiver
-
- 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
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH203272A CH549220A (de) | 1972-02-11 | 1972-02-11 | Verfahren und vorrichtung zur verrringerung der seitenmaxima bei ultraschall-echolotverfahren. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2171346A1 true FR2171346A1 (US06534493-20030318-C00166.png) | 1973-09-21 |
| FR2171346B1 FR2171346B1 (US06534493-20030318-C00166.png) | 1976-06-11 |
Family
ID=4224325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7304622A Expired FR2171346B1 (US06534493-20030318-C00166.png) | 1972-02-11 | 1973-02-09 |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585385B2 (ja) * | 1976-03-12 | 1983-01-31 | 沖電気工業株式会社 | 受信ビ−ムフォ−マ |
| JPS53145878U (US06534493-20030318-C00166.png) * | 1977-04-21 | 1978-11-16 | ||
| JPS576377A (en) * | 1980-06-13 | 1982-01-13 | Hitachi Ltd | Multiplication array type ultrasonic wave searching device |
| JPS6066U (ja) * | 1983-06-17 | 1985-01-05 | 京セラ株式会社 | セラミツク製研摩研削具 |
| JPH023429Y2 (US06534493-20030318-C00166.png) * | 1986-03-07 | 1990-01-26 | ||
| JPS62159263U (US06534493-20030318-C00166.png) * | 1986-03-28 | 1987-10-09 |
-
1972
- 1972-02-11 CH CH203272A patent/CH549220A/xx not_active IP Right Cessation
-
1973
- 1973-01-19 NL NL7300811.A patent/NL158618B/xx not_active IP Right Cessation
- 1973-02-08 GB GB636073A patent/GB1395933A/en not_active Expired
- 1973-02-09 FR FR7304622A patent/FR2171346B1/fr not_active Expired
- 1973-02-09 DD DD168859A patent/DD103967A5/xx unknown
- 1973-02-09 JP JP1639973A patent/JPS5336791B2/ja not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| CH549220A (de) | 1974-05-15 |
| DE2306247B2 (de) | 1975-11-20 |
| NL7300811A (US06534493-20030318-C00166.png) | 1973-08-14 |
| DD103967A5 (US06534493-20030318-C00166.png) | 1974-02-12 |
| DE2306247A1 (de) | 1973-08-16 |
| JPS5336791B2 (US06534493-20030318-C00166.png) | 1978-10-04 |
| NL158618B (nl) | 1978-11-15 |
| GB1395933A (en) | 1975-05-29 |
| JPS4931346A (US06534493-20030318-C00166.png) | 1974-03-20 |
| FR2171346B1 (US06534493-20030318-C00166.png) | 1976-06-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |