DK379074A - - Google Patents
Info
- Publication number
- DK379074A DK379074A DK379074A DK379074A DK379074A DK 379074 A DK379074 A DK 379074A DK 379074 A DK379074 A DK 379074A DK 379074 A DK379074 A DK 379074A DK 379074 A DK379074 A DK 379074A
- Authority
- DK
- Denmark
Links
Classifications
-
- 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
- G10K11/345—Circuits therefor using energy switching from one active element to another
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
- G01H3/10—Amplitude; Power
- G01H3/12—Amplitude; Power by electric means
- G01H3/125—Amplitude; Power by electric means for representing acoustic field distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US379760A US3875550A (en) | 1973-07-16 | 1973-07-16 | Electronically focused acoustic imaging system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK379074A true DK379074A (da) | 1975-02-24 |
Family
ID=23498568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK379074A DK379074A (da) | 1973-07-16 | 1974-07-15 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3875550A (da) |
| JP (1) | JPS5055211A (da) |
| BE (1) | BE817622A (da) |
| CA (1) | CA1008552A (da) |
| DE (1) | DE2433337A1 (da) |
| DK (1) | DK379074A (da) |
| FR (1) | FR2238202A1 (da) |
| GB (1) | GB1471191A (da) |
| IT (1) | IT1017187B (da) |
| NL (1) | NL7409562A (da) |
| SE (1) | SE7409210L (da) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2250102B1 (da) * | 1973-10-31 | 1976-10-01 | Thomson Csf | |
| US4399387A (en) * | 1977-11-21 | 1983-08-16 | Tdk Electronics Co., Ltd. | Ultrasonic wave transducer |
| US4208916A (en) * | 1978-09-13 | 1980-06-24 | Picker Corporation | Electronic ultrasonic sector scanning apparatus and method |
| US4244037A (en) * | 1979-05-21 | 1981-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Two dimensional imaging using surface wave acoustic devices |
| FR2493528A1 (fr) * | 1980-11-04 | 1982-05-07 | Thomson Csf | Systeme de detection multivoies a emission diversifiee |
| US4604697A (en) * | 1983-08-05 | 1986-08-05 | Interspec, Inc. | Body imaging using vectorial addition of acoustic reflection to achieve effect of scanning beam continuously focused in range |
| US4663746A (en) * | 1984-08-02 | 1987-05-05 | United Technologies Corporation | Self-scanned time multiplexer with delay line |
| US4819215A (en) * | 1986-01-31 | 1989-04-04 | Showa Electric Wire & Cable Co., Ltd. | Electric signal transfer element |
| JP3867057B2 (ja) * | 2003-02-20 | 2007-01-10 | 三井造船株式会社 | 音響センサアレイ、音響診断装置及び音響診断方法 |
| WO2006095411A1 (ja) * | 2005-03-08 | 2006-09-14 | Fujitsu Limited | 光空間通信方法、光送信装置、光受信装置、光空間通信システム |
| CN106979980B (zh) * | 2017-04-28 | 2020-06-09 | 武汉理工大学 | 一种多频谱声学相机及识别方法 |
| US11172829B2 (en) * | 2020-04-21 | 2021-11-16 | Endra Life Sciences Inc. | Thermoacoustic transducer with integrated switch |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL237700A (da) * | 1958-04-02 | |||
| US3686572A (en) * | 1962-10-30 | 1972-08-22 | Thomson Houston Comp Francaise | Pulse-compressor system |
| US3311870A (en) * | 1964-12-30 | 1967-03-28 | Hazeltine Research Inc | Solid state proportional commutator |
| US3774201A (en) * | 1970-12-17 | 1973-11-20 | Raytheon Co | Time compression signal processor |
| US3786504A (en) * | 1971-03-29 | 1974-01-15 | Raytheon Co | Time compression signal processor |
| US3770949A (en) * | 1972-04-21 | 1973-11-06 | Us Navy | Acoustic surface wave correlators and convolvers |
-
1973
- 1973-07-16 US US379760A patent/US3875550A/en not_active Expired - Lifetime
-
1974
- 1974-06-27 GB GB2858274A patent/GB1471191A/en not_active Expired
- 1974-06-27 CA CA203,542A patent/CA1008552A/en not_active Expired
- 1974-07-11 DE DE2433337A patent/DE2433337A1/de active Pending
- 1974-07-12 BE BE146533A patent/BE817622A/xx unknown
- 1974-07-12 FR FR7424438A patent/FR2238202A1/fr not_active Withdrawn
- 1974-07-15 DK DK379074A patent/DK379074A/da unknown
- 1974-07-15 SE SE7409210A patent/SE7409210L/xx unknown
- 1974-07-15 NL NL7409562A patent/NL7409562A/xx unknown
- 1974-07-16 IT IT25213/74A patent/IT1017187B/it active
- 1974-07-16 JP JP49081626A patent/JPS5055211A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5055211A (da) | 1975-05-15 |
| IT1017187B (it) | 1977-07-20 |
| CA1008552A (en) | 1977-04-12 |
| US3875550A (en) | 1975-04-01 |
| AU7079974A (en) | 1976-01-08 |
| FR2238202A1 (da) | 1975-02-14 |
| BE817622A (fr) | 1974-11-04 |
| NL7409562A (nl) | 1975-01-20 |
| DE2433337A1 (de) | 1975-04-17 |
| GB1471191A (en) | 1977-04-21 |
| SE7409210L (sv) | 1975-01-17 |