IT949657B - Sistema per la trasmissione di energia radiante a bassa frequenza in particolare per rilevamenti e prospezioni subacque - Google Patents
Sistema per la trasmissione di energia radiante a bassa frequenza in particolare per rilevamenti e prospezioni subacqueInfo
- Publication number
- IT949657B IT949657B IT4776272A IT4776272A IT949657B IT 949657 B IT949657 B IT 949657B IT 4776272 A IT4776272 A IT 4776272A IT 4776272 A IT4776272 A IT 4776272A IT 949657 B IT949657 B IT 949657B
- Authority
- IT
- Italy
- Prior art keywords
- perspections
- transmission
- low frequency
- radiant energy
- underwater detection
- Prior art date
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
- G10K11/343—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)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radio Transmission System (AREA)
- Transmitters (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11121871A | 1971-02-01 | 1971-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT949657B true IT949657B (it) | 1973-06-11 |
Family
ID=22337233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT4776272A IT949657B (it) | 1971-02-01 | 1972-01-15 | Sistema per la trasmissione di energia radiante a bassa frequenza in particolare per rilevamenti e prospezioni subacque |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5328784B1 (nl) |
| AU (1) | AU459096B2 (nl) |
| BE (1) | BE778760A (nl) |
| CA (1) | CA950105A (nl) |
| DE (1) | DE2204028C3 (nl) |
| ES (1) | ES399340A1 (nl) |
| FR (1) | FR2124285B1 (nl) |
| GB (1) | GB1360901A (nl) |
| IT (1) | IT949657B (nl) |
| NL (1) | NL160656C (nl) |
| NO (1) | NO133984C (nl) |
| SE (1) | SE377385B (nl) |
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 |
| DE2920330A1 (de) * | 1979-05-19 | 1980-11-20 | Krupp Gmbh | 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/nl 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 ES ES399340A patent/ES399340A1/es not_active Expired
- 1972-01-31 SE SE106172A patent/SE377385B/xx unknown
- 1972-01-31 BE BE778760A patent/BE778760A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2204028C3 (de) | 1974-06-12 |
| FR2124285B1 (nl) | 1977-04-01 |
| NL160656C (nl) | 1979-11-15 |
| DE2204028B2 (de) | 1973-11-08 |
| FR2124285A1 (nl) | 1972-09-22 |
| NL160656B (nl) | 1979-06-15 |
| SE377385B (nl) | 1975-06-30 |
| CA950105A (en) | 1974-06-25 |
| BE778760A (fr) | 1972-05-16 |
| AU459096B2 (en) | 1975-03-20 |
| NO133984B (nl) | 1976-04-20 |
| DE2204028A1 (de) | 1972-08-10 |
| ES399340A1 (es) | 1975-06-01 |
| NL7201109A (nl) | 1972-08-03 |
| JPS5328784B1 (nl) | 1978-08-16 |
| AU3766472A (en) | 1973-07-12 |
| GB1360901A (en) | 1974-07-24 |
| NO133984C (nl) | 1976-07-28 |
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