FR1591231A - - Google Patents
Info
- Publication number
- FR1591231A FR1591231A FR1591231DA FR1591231A FR 1591231 A FR1591231 A FR 1591231A FR 1591231D A FR1591231D A FR 1591231DA FR 1591231 A FR1591231 A FR 1591231A
- 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.)
- Expired
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
- 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
- G01S7/52003—Techniques for enhancing spatial resolution of targets
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/242—Circumferential scanning
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671566855 DE1566855B2 (de) | 1967-11-03 | 1967-11-03 | Einrichtung zur Schwenkung der Richtcharakteristik einer Antennenanlage der Sonartechnik |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1591231A true FR1591231A (https=) | 1970-04-27 |
Family
ID=5678024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1591231D Expired FR1591231A (https=) | 1967-11-03 | 1968-10-31 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3546698A (https=) |
| FR (1) | FR1591231A (https=) |
| GB (1) | GB1235936A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2375761A1 (fr) * | 1976-12-21 | 1978-07-21 | Commw Scient Ind Res Org | Dispositif pour la modulation de faisceaux haute frequence modules |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2068548B (en) * | 1980-02-01 | 1983-11-02 | Techn Survey Services Ltd | Seismic survey apparatus |
| US4318106A (en) * | 1980-03-20 | 1982-03-02 | The United States Of America As Represented By The Field Operations Bureau Of The Fcc | Direction finding system |
| DE3580848D1 (de) * | 1985-09-24 | 1991-01-17 | Hewlett Packard Gmbh | Schaltmatrix. |
| DE19518420C2 (de) * | 1995-05-19 | 1998-01-02 | Diether Alfred Schroeder | Schaltungsanordnung zur Verwendung in einem geophysikalischen Prospektionsverfahren |
| RU2460092C1 (ru) * | 2011-05-27 | 2012-08-27 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг) | Гидроакустическая антенна сферической формы для гидролокатора |
| RU2515133C1 (ru) * | 2012-11-13 | 2014-05-10 | Открытое Акционерное Общество "НИИ гидросвязи "Штиль" | Сферическая гидроакустическая антенна |
| JP2015122622A (ja) * | 2013-12-24 | 2015-07-02 | パナソニック株式会社 | 電力増幅装置および送信装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB369360A (en) * | 1930-04-03 | 1932-03-24 | Electroacustic Gmbh | Improvements in or relating to the directional transmission or reception of wave energy in space |
| DE566823C (de) * | 1930-04-04 | 1932-12-22 | Electroacustic Ges M B H | Anordnung zur Raumpeilung von Wellenenergie |
| US2466354A (en) * | 1944-06-28 | 1949-04-05 | American Telephone & Telegraph | Directional radio system |
| US2769159A (en) * | 1954-10-26 | 1956-10-30 | Raytheon Mfg Co | Capacitive commutators |
| US3144631A (en) * | 1962-01-09 | 1964-08-11 | Gen Instrument Corp | Radiation mapping system |
| US3277481A (en) * | 1964-02-26 | 1966-10-04 | Hazeltine Research Inc | Antenna beam stabilizer |
-
1968
- 1968-10-28 US US770913A patent/US3546698A/en not_active Expired - Lifetime
- 1968-10-28 GB GB51096/68A patent/GB1235936A/en not_active Expired
- 1968-10-31 FR FR1591231D patent/FR1591231A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2375761A1 (fr) * | 1976-12-21 | 1978-07-21 | Commw Scient Ind Res Org | Dispositif pour la modulation de faisceaux haute frequence modules |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1235936A (en) | 1971-06-16 |
| US3546698A (en) | 1970-12-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |