NL7204397A - - Google Patents
Info
- Publication number
- NL7204397A NL7204397A NL7204397A NL7204397A NL7204397A NL 7204397 A NL7204397 A NL 7204397A NL 7204397 A NL7204397 A NL 7204397A NL 7204397 A NL7204397 A NL 7204397A NL 7204397 A NL7204397 A NL 7204397A
- Authority
- NL
- Netherlands
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
- G01S15/12—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
-
- 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
- G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
- G01S15/107—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics using frequency agility of carrier wave
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE04303/71A SE351303B (en:Method) | 1971-04-02 | 1971-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7204397A true NL7204397A (en:Method) | 1972-10-04 |
| NL149597B NL149597B (nl) | 1976-05-17 |
Family
ID=20263888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL727204397A NL149597B (nl) | 1971-04-02 | 1972-03-30 | Inrichting voor het lokaliseren van objecten. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3836949A (en:Method) |
| CA (1) | CA959570A (en:Method) |
| DE (1) | DE2216167A1 (en:Method) |
| FR (1) | FR2135154B1 (en:Method) |
| GB (1) | GB1390824A (en:Method) |
| IT (1) | IT952515B (en:Method) |
| NL (1) | NL149597B (en:Method) |
| NO (1) | NO127521B (en:Method) |
| SE (1) | SE351303B (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE456372B (sv) * | 1984-04-06 | 1988-09-26 | Bt Ind Ab | Forfarande for att hos en operatorlos maskin detektera hinder |
| DE4121274C2 (de) * | 1991-06-14 | 2003-05-08 | Diehl Munitionssysteme Gmbh | Sensoreinrichtung zur Auslösung eines Wirkkörpers |
| DE4133543C2 (de) * | 1991-10-10 | 2001-12-13 | Diehl Stiftung & Co | Mine zur Hubschrauberabwehr |
| DE19738146B4 (de) * | 1997-09-01 | 2005-05-12 | Fresenius Ag | Ultraschallsender, insbesondere für einen Luftblasendetektor |
| US9787413B2 (en) * | 2014-12-08 | 2017-10-10 | Walid Khairy Mohamed Ahmed | Circuits, systems and methods of hybrid electromagnetic and piezoelectric communicators |
| US10756811B2 (en) | 2017-09-10 | 2020-08-25 | Mohsen Sarraf | Method and system for a location determination using bi-modal signals |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3381292A (en) * | 1965-11-01 | 1968-04-30 | Army Usa | Radar detection system |
| US3614719A (en) * | 1968-11-25 | 1971-10-19 | United Aircraft Corp | Adaptive pulse echo target identification system |
-
1971
- 1971-04-02 SE SE04303/71A patent/SE351303B/xx unknown
-
1972
- 1972-03-24 NO NO01003/72A patent/NO127521B/no unknown
- 1972-03-27 US US00238224A patent/US3836949A/en not_active Expired - Lifetime
- 1972-03-30 NL NL727204397A patent/NL149597B/xx unknown
- 1972-03-30 GB GB1516572A patent/GB1390824A/en not_active Expired
- 1972-03-30 CA CA138,615A patent/CA959570A/en not_active Expired
- 1972-03-31 FR FR7211571A patent/FR2135154B1/fr not_active Expired
- 1972-04-01 IT IT49407/72A patent/IT952515B/it active
- 1972-04-04 DE DE19722216167 patent/DE2216167A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2135154A1 (en:Method) | 1972-12-15 |
| SE351303B (en:Method) | 1972-11-20 |
| CA959570A (en) | 1974-12-17 |
| NO127521B (en:Method) | 1973-07-02 |
| DE2216167A1 (de) | 1972-10-26 |
| FR2135154B1 (en:Method) | 1977-08-26 |
| GB1390824A (en) | 1975-04-16 |
| IT952515B (it) | 1973-07-30 |
| US3836949A (en) | 1974-09-17 |
| NL149597B (nl) | 1976-05-17 |