AU9029391A - Electronic detection system - Google Patents
Electronic detection systemInfo
- Publication number
- AU9029391A AU9029391A AU90293/91A AU9029391A AU9029391A AU 9029391 A AU9029391 A AU 9029391A AU 90293/91 A AU90293/91 A AU 90293/91A AU 9029391 A AU9029391 A AU 9029391A AU 9029391 A AU9029391 A AU 9029391A
- Authority
- AU
- Australia
- Prior art keywords
- detection system
- electronic detection
- electronic
- detection
- 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.)
- Abandoned
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
- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
- G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
- G01S13/753—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using frequency selective elements, e.g. resonator
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9003698 | 1990-11-21 | ||
SE9003698A SE467640B (en) | 1990-11-21 | 1990-11-21 | ELECTRONIC SEARCH SYSTEM |
Publications (1)
Publication Number | Publication Date |
---|---|
AU9029391A true AU9029391A (en) | 1992-06-25 |
Family
ID=20380960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU90293/91A Abandoned AU9029391A (en) | 1990-11-21 | 1991-11-20 | Electronic detection system |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU9029391A (en) |
SE (1) | SE467640B (en) |
WO (1) | WO1992009906A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE508835C2 (en) * | 1996-11-26 | 1998-11-09 | Tagmaster Ab | transponder |
SE517845C2 (en) * | 2000-12-05 | 2002-07-23 | Ericsson Telefon Ab L M | An antenna arrangement and a communication device comprising such an arrangement |
DE10213769A1 (en) * | 2002-03-27 | 2003-10-23 | Tracto Technik | Procedure for determining the position of a drill head in the ground |
SE527183C2 (en) * | 2003-05-13 | 2006-01-17 | Jean Paul Link | Access control and location systems |
US11415667B2 (en) * | 2019-02-06 | 2022-08-16 | The Boeing Company | Signaling device for passively transmitting signals |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT374596B (en) * | 1979-04-20 | 1984-05-10 | Enander Bengt | TO FIND AVALANCHE VICTIMS, ANSWERS TO BE WEARED ON THE BODY |
US4656478A (en) * | 1984-07-30 | 1987-04-07 | Asulab S.A. | Passive transponder for locating avalanche victims |
CH668915A5 (en) * | 1986-10-22 | 1989-02-15 | Ebauchesfabrik Eta Ag | PASSIVE TRANSPONDER. |
FR2609813B1 (en) * | 1987-01-19 | 1989-03-03 | Midi Robois | IDENTIFICATION AND / OR LOCATION METHOD AND SYSTEM, AND BEACON FOR IMPLEMENTING SAID METHOD |
GB8806455D0 (en) * | 1988-03-18 | 1988-04-20 | Gen Electric Co Plc | Position determining equipment |
-
1990
- 1990-11-21 SE SE9003698A patent/SE467640B/en unknown
-
1991
- 1991-11-20 WO PCT/SE1991/000785 patent/WO1992009906A1/en active Application Filing
- 1991-11-20 AU AU90293/91A patent/AU9029391A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
SE467640B (en) | 1992-08-17 |
WO1992009906A1 (en) | 1992-06-11 |
SE9003698L (en) | 1992-05-22 |
SE9003698D0 (en) | 1990-11-21 |
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