ES401970A1 - Perfeccionamientos en dispositivos detectores logicos de determinacion de la direccion de propagacion de una onda plana. - Google Patents
Perfeccionamientos en dispositivos detectores logicos de determinacion de la direccion de propagacion de una onda plana.Info
- Publication number
- ES401970A1 ES401970A1 ES401970A ES401970A ES401970A1 ES 401970 A1 ES401970 A1 ES 401970A1 ES 401970 A ES401970 A ES 401970A ES 401970 A ES401970 A ES 401970A ES 401970 A1 ES401970 A1 ES 401970A1
- Authority
- ES
- Spain
- Prior art keywords
- propagation
- determining
- plane wave
- detectors
- adders
- Prior art date
- 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
- 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
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio 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
- 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
- G01S3/8006—Multi-channel systems specially adapted for direction-finding, i.e. having a single aerial system capable of giving simultaneous indications of the directions of different signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar Systems Or Details Thereof (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7114137A FR2134136B2 (es) | 1971-04-21 | 1971-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES401970A1 true ES401970A1 (es) | 1975-11-01 |
Family
ID=9075678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES401970A Expired ES401970A1 (es) | 1971-04-21 | 1972-04-21 | Perfeccionamientos en dispositivos detectores logicos de determinacion de la direccion de propagacion de una onda plana. |
Country Status (10)
Country | Link |
---|---|
US (1) | US3792479A (es) |
BE (1) | BE782192A (es) |
CA (1) | CA966926A (es) |
DE (1) | DE2219678C2 (es) |
ES (1) | ES401970A1 (es) |
FR (1) | FR2134136B2 (es) |
GB (1) | GB1377574A (es) |
IT (1) | IT954726B (es) |
NL (1) | NL7205372A (es) |
ZA (1) | ZA722711B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2243447B1 (es) * | 1973-09-11 | 1976-06-18 | Cit Alcatel | |
FR2294589A1 (fr) * | 1974-12-10 | 1976-07-09 | Cit Alcatel | Dispositif de formation de voies utilisant des detecteurs repartis sur une base circulaire |
FR2294590A1 (fr) * | 1974-12-10 | 1976-07-09 | Cit Alcatel | Dispositif de formation de voies utilisant des detecteurs repartis sur une base circulaire |
FR2315800A1 (fr) * | 1975-06-26 | 1977-01-21 | Cit Alcatel | Dispositif de formation de voies |
GB2140238A (en) * | 1983-05-11 | 1984-11-21 | Racal Communications Equip | Direction finding |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3449711A (en) * | 1965-08-30 | 1969-06-10 | Magnavox Co | Beam former |
FR2049666A5 (es) * | 1969-06-16 | 1971-03-26 | Cit Alcatel |
-
1971
- 1971-04-21 FR FR7114137A patent/FR2134136B2/fr not_active Expired
-
1972
- 1972-04-17 BE BE782192A patent/BE782192A/xx not_active IP Right Cessation
- 1972-04-20 NL NL7205372A patent/NL7205372A/xx active Search and Examination
- 1972-04-20 CA CA140,185A patent/CA966926A/en not_active Expired
- 1972-04-20 IT IT68240/72A patent/IT954726B/it active
- 1972-04-21 ES ES401970A patent/ES401970A1/es not_active Expired
- 1972-04-21 US US00246414A patent/US3792479A/en not_active Expired - Lifetime
- 1972-04-21 ZA ZA722711A patent/ZA722711B/xx unknown
- 1972-04-21 DE DE2219678A patent/DE2219678C2/de not_active Expired
- 1972-04-21 GB GB1870872A patent/GB1377574A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2134136B2 (es) | 1974-04-05 |
FR2134136A2 (es) | 1972-12-08 |
US3792479A (en) | 1974-02-12 |
DE2219678A1 (de) | 1972-11-02 |
GB1377574A (en) | 1974-12-18 |
IT954726B (it) | 1973-09-15 |
BE782192A (fr) | 1972-10-17 |
ZA722711B (en) | 1973-03-28 |
DE2219678C2 (de) | 1982-04-29 |
CA966926A (en) | 1975-04-29 |
NL7205372A (es) | 1972-10-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE7502820L (sv) | Absorberande dyna. | |
DK135868B (da) | Impulsdæmperaggregat til hydrauliske systemer. | |
SE404424B (sv) | Eldledningsanleggning | |
NL173675B (nl) | Schietoefenstelsel. | |
BE771124A (fr) | Procede de copolymerisation nitrile | |
BR7208157D0 (pt) | Laminador controlado mediante computador | |
NL166591C (nl) | Foutencorrigerend datatransmissiestelsel. | |
NL161887C (nl) | Radarvolgsysteem. | |
AR196737A1 (es) | Disposicion mejorada de transmision | |
AU6291173A (en) | Detecting underwater pipeline leaks by ultrasonics | |
ES401970A1 (es) | Perfeccionamientos en dispositivos detectores logicos de determinacion de la direccion de propagacion de una onda plana. | |
BE777718A (fr) | Developpement par inversion | |
AT312516B (de) | Einrichtung an Laderaupen | |
IT959207B (it) | Procedimento per l esplorazione di un mezzo mediante impulsi di ener gia particolarmente per la pro spezione sismic | |
CH543750A (de) | Zielverfolgungsvorrichtung | |
CH550471A (de) | Abgasanlage fuer kernreaktoren. | |
CH530121A (de) | Hochleistungssenderanordnung | |
IT964068B (it) | Metodo per polimerizzare formal deide | |
BE801605A (fr) | Reacteur de polymerisation | |
CH549155A (de) | Gasturbinenanlage. | |
CH550983A (de) | Beschickungseinrichtung an einem ofen. | |
ES157692Y (es) | Conjunto rectificador de onda completa. | |
IT946476B (it) | Registro a propagazione di campi | |
JPS539450A (en) | Primary digital overall areas passing circuit | |
RO76039A (ro) | Procedeu pentru polimerizarea olefinelor |