NO133984B - - Google Patents
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- Publication number
- NO133984B NO133984B NO17972A NO17972A NO133984B NO 133984 B NO133984 B NO 133984B NO 17972 A NO17972 A NO 17972A NO 17972 A NO17972 A NO 17972A NO 133984 B NO133984 B NO 133984B
- Authority
- NO
- Norway
- Prior art keywords
- signal
- frequency
- signals
- reference waveform
- circuit
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000001902 propagating effect Effects 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 42
- 238000009877 rendering Methods 0.000 description 11
- 230000005855 radiation Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 238000002592 echocardiography Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- G10K11/343—Circuits therefor using frequency variation or different frequencies
-
- 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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Radio Transmission System (AREA)
- Transmitters (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11121871A | 1971-02-01 | 1971-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO133984B true NO133984B (enrdf_load_stackoverflow) | 1976-04-20 |
| NO133984C NO133984C (enrdf_load_stackoverflow) | 1976-07-28 |
Family
ID=22337233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO17972A NO133984C (enrdf_load_stackoverflow) | 1971-02-01 | 1972-01-25 |
Country Status (12)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2385271A1 (fr) * | 1977-03-25 | 1978-10-20 | Thomson Csf | Dispositif de teletransmission d'informations, notamment pour systeme de teleguidage de vehicules soumis a de grandes accelerations, et systeme de teleguidage comportant un tel dispositif |
| FR2431137A2 (fr) * | 1977-12-20 | 1980-02-08 | Inst Francais Du Petrole | Sonar pour obtenir une representation topographique d'une surface immergee et des couches sous-jacentes |
| FR2589248B1 (fr) * | 1978-02-17 | 1988-01-22 | Thomson Csf | Amelioration des systemes d'autoguidage acoustique de vehicules sous-marins |
| FR2441180A1 (fr) * | 1978-11-10 | 1980-06-06 | Thomson Csf | Courantometre doppler pour grands fonds |
| JPS55114980A (en) * | 1979-02-28 | 1980-09-04 | Sumitomo Metal Mining Co Ltd | Inspection method for massive object on sea bottom and its unit |
| DE2920330C2 (de) * | 1979-05-19 | 1987-01-02 | Fried. Krupp Gmbh, 4300 Essen | Echolot mit zwei Sendefrequenzen |
| WO1981000456A1 (en) * | 1979-07-30 | 1981-02-19 | Dorian Ind Pty Ltd | Method and device for measuring distances |
| FR2538124B1 (fr) * | 1982-12-17 | 1986-02-07 | Thomson Csf | Systeme acoustique a antennes parametriques multifaisceaux |
| GB8405099D0 (en) * | 1984-02-28 | 1984-04-04 | Donnelly K | Hydrographic survey module |
| DE3416246C1 (de) * | 1984-05-02 | 1985-10-24 | Ski-Data Computer-Handelsgesellschaft mbH, St. Leonhard, Grödig | Vorrichtung zur Steuerung der Bewegungen der Planierwerkzeuge von Pistenpraeparierfahrzeugen |
| FR2594233A1 (fr) * | 1986-02-07 | 1987-08-14 | Morand Christian | Dispositif d'analyse et de visualisation en couleurs d'objets eventuellement masques par un ecran |
-
1972
- 1972-01-03 GB GB17572A patent/GB1360901A/en not_active Expired
- 1972-01-06 AU AU37664/72A patent/AU459096B2/en not_active Expired
- 1972-01-07 CA CA131,946A patent/CA950105A/en not_active Expired
- 1972-01-15 IT IT4776272A patent/IT949657B/it active
- 1972-01-25 NO NO17972A patent/NO133984C/no unknown
- 1972-01-27 NL NL7201109A patent/NL160656C/xx not_active IP Right Cessation
- 1972-01-28 FR FR7202837A patent/FR2124285B1/fr not_active Expired
- 1972-01-28 DE DE19722204028 patent/DE2204028C3/de not_active Expired
- 1972-01-29 JP JP1092872A patent/JPS5328784B1/ja active Pending
- 1972-01-31 BE BE778760A patent/BE778760A/xx not_active IP Right Cessation
- 1972-01-31 SE SE106172A patent/SE377385B/xx unknown
- 1972-01-31 ES ES399340A patent/ES399340A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU459096B2 (en) | 1975-03-20 |
| NO133984C (enrdf_load_stackoverflow) | 1976-07-28 |
| SE377385B (enrdf_load_stackoverflow) | 1975-06-30 |
| DE2204028A1 (de) | 1972-08-10 |
| IT949657B (it) | 1973-06-11 |
| GB1360901A (en) | 1974-07-24 |
| CA950105A (en) | 1974-06-25 |
| DE2204028C3 (de) | 1974-06-12 |
| DE2204028B2 (de) | 1973-11-08 |
| FR2124285A1 (enrdf_load_stackoverflow) | 1972-09-22 |
| ES399340A1 (es) | 1975-06-01 |
| AU3766472A (en) | 1973-07-12 |
| NL160656C (nl) | 1979-11-15 |
| NL7201109A (enrdf_load_stackoverflow) | 1972-08-03 |
| FR2124285B1 (enrdf_load_stackoverflow) | 1977-04-01 |
| NL160656B (nl) | 1979-06-15 |
| JPS5328784B1 (enrdf_load_stackoverflow) | 1978-08-16 |
| BE778760A (fr) | 1972-05-16 |
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