SE7710781L - Sett att serskilja foremal - Google Patents
Sett att serskilja foremalInfo
- Publication number
- SE7710781L SE7710781L SE7710781A SE7710781A SE7710781L SE 7710781 L SE7710781 L SE 7710781L SE 7710781 A SE7710781 A SE 7710781A SE 7710781 A SE7710781 A SE 7710781A SE 7710781 L SE7710781 L SE 7710781L
- Authority
- SE
- Sweden
- Prior art keywords
- water
- pulses
- foremal
- different
- submerged
- Prior art date
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
- 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
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/101—Particularities of the measurement of distance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C13/00—Proximity fuzes; Fuzes for remote detonation
- F42C13/06—Proximity fuzes; Fuzes for remote detonation operated by sound 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/487—Extracting wanted echo signals, e.g. pulse detection
-
- 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
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Sealing Devices (AREA)
- Braking Arrangements (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7710781A SE419380B (sv) | 1977-09-27 | 1977-09-27 | Sett att serskilja deplacerande mal fran en vattenyta |
NO783174A NO146923C (no) | 1977-09-27 | 1978-09-19 | Fremgangsmaate til aa sondre deplaserende maal fra en vannflate |
DK422078A DK159338B (da) | 1977-09-27 | 1978-09-22 | Fremgangsmaade til at skelne deplacerende maal fra en vandoverflade |
GB7838228A GB2005834B (en) | 1977-09-27 | 1978-09-26 | Method to distinguish between water displacing targets and a surface of water |
IT51258/78A IT1192613B (it) | 1977-09-27 | 1978-09-26 | Apparecchio e metodo per distinguere fra bersagli in movimento e una superficie d'acqua |
NL7809784A NL7809784A (nl) | 1977-09-27 | 1978-09-27 | Werkwijze voor het onderscheiden tussen verplaatsende doelen en een wateroppervlak. |
DE19782842051 DE2842051A1 (de) | 1977-09-27 | 1978-09-27 | Verfahren zum unterscheiden zwischen ihre lage aendernden zielen und der wasseroberflaeche |
FR7827694A FR2404231B1 (fr) | 1977-09-27 | 1978-09-27 | Procede permettant de faire la distinction entre des cibles mobiles et une surface d'eau |
US06/096,215 US4322826A (en) | 1977-09-27 | 1979-11-20 | Method and system for distinguishing between displacing targets and a surface of water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7710781A SE419380B (sv) | 1977-09-27 | 1977-09-27 | Sett att serskilja deplacerande mal fran en vattenyta |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7710781L true SE7710781L (sv) | 1979-03-28 |
SE419380B SE419380B (sv) | 1981-07-27 |
Family
ID=20332378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7710781A SE419380B (sv) | 1977-09-27 | 1977-09-27 | Sett att serskilja deplacerande mal fran en vattenyta |
Country Status (9)
Country | Link |
---|---|
US (1) | US4322826A (sv) |
DE (1) | DE2842051A1 (sv) |
DK (1) | DK159338B (sv) |
FR (1) | FR2404231B1 (sv) |
GB (1) | GB2005834B (sv) |
IT (1) | IT1192613B (sv) |
NL (1) | NL7809784A (sv) |
NO (1) | NO146923C (sv) |
SE (1) | SE419380B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2663428B1 (fr) * | 1990-06-15 | 1992-09-11 | Thomson Csf | Dispositif de detection magnetique pour mines a orin ferromagnetiques. |
AU125619S (en) | 1994-08-09 | 1996-01-16 | Boots Co Plc | Liquid dispenser |
US6927993B2 (en) * | 2003-08-14 | 2005-08-09 | Silicon Storage Technology, Inc. | Multi-bit ROM cell, for storing on of N>4 possible states and having bi-directional read, an array of such cells |
IL194029A (en) | 2008-09-11 | 2013-11-28 | Israel Aerospace Ind Ltd | A system and method for identifying a remote marine target |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB801461A (en) * | 1954-06-15 | 1958-09-17 | Clevite Corp | Pulse-echo system |
DE978020C (de) * | 1965-08-27 | 1975-05-07 | Fahrentholz, Siegfried, Dr.phil.nat., 2300 Kiel | Akustisches Abstandszündgerät für Grund- und Ankertauminen und Torpedos |
US3380018A (en) * | 1967-03-20 | 1968-04-23 | Navy Usa | Digital density threshold for sonar |
DE1933923C1 (de) * | 1969-07-04 | 1979-11-29 | Fritz Werner Ind Ausruestung | Annaeherungszuender |
US3743419A (en) * | 1969-07-09 | 1973-07-03 | Bofors Ab | Ranging system |
ZA695819B (en) * | 1969-08-14 | 1971-02-24 | Anglo Amer Corp South Africa | Apparatus for minimising the effect on oceanographic records of adverse swell |
US4245332A (en) * | 1979-04-12 | 1981-01-13 | Honeywell Inc. | Receiver circuit for an echo-sounding system |
-
1977
- 1977-09-27 SE SE7710781A patent/SE419380B/sv not_active IP Right Cessation
-
1978
- 1978-09-19 NO NO783174A patent/NO146923C/no unknown
- 1978-09-22 DK DK422078A patent/DK159338B/da not_active Application Discontinuation
- 1978-09-26 GB GB7838228A patent/GB2005834B/en not_active Expired
- 1978-09-26 IT IT51258/78A patent/IT1192613B/it active
- 1978-09-27 FR FR7827694A patent/FR2404231B1/fr not_active Expired
- 1978-09-27 DE DE19782842051 patent/DE2842051A1/de active Granted
- 1978-09-27 NL NL7809784A patent/NL7809784A/xx active Search and Examination
-
1979
- 1979-11-20 US US06/096,215 patent/US4322826A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2842051C2 (sv) | 1990-03-08 |
FR2404231A1 (fr) | 1979-04-20 |
NO146923B (no) | 1982-09-20 |
DK159338B (da) | 1990-10-01 |
GB2005834A (en) | 1979-04-25 |
IT7851258A0 (it) | 1978-09-26 |
IT1192613B (it) | 1988-04-27 |
US4322826A (en) | 1982-03-30 |
GB2005834B (en) | 1982-02-24 |
DK422078A (da) | 1979-03-28 |
DE2842051A1 (de) | 1979-07-12 |
NL7809784A (nl) | 1979-03-29 |
NO783174L (no) | 1979-03-28 |
FR2404231B1 (fr) | 1985-06-21 |
SE419380B (sv) | 1981-07-27 |
NO146923C (no) | 1982-12-29 |
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Legal Events
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NUG | Patent has lapsed |
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