SE516912C2 - Metod och anordning för informationssökning, såsom övervakning, inventering eller liknande - Google Patents
Metod och anordning för informationssökning, såsom övervakning, inventering eller liknandeInfo
- Publication number
- SE516912C2 SE516912C2 SE9202988A SE9202988A SE516912C2 SE 516912 C2 SE516912 C2 SE 516912C2 SE 9202988 A SE9202988 A SE 9202988A SE 9202988 A SE9202988 A SE 9202988A SE 516912 C2 SE516912 C2 SE 516912C2
- Authority
- SE
- Sweden
- Prior art keywords
- unit
- mobile
- central unit
- mobile units
- time
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000004044 response Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims abstract 2
- 230000006870 function Effects 0.000 claims description 15
- 230000010355 oscillation Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000005684 electric field Effects 0.000 claims 1
- 238000002372 labelling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000009849 deactivation Effects 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
-
- 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
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9202988A SE516912C2 (sv) | 1992-10-12 | 1992-10-12 | Metod och anordning för informationssökning, såsom övervakning, inventering eller liknande |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9202988A SE516912C2 (sv) | 1992-10-12 | 1992-10-12 | Metod och anordning för informationssökning, såsom övervakning, inventering eller liknande |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9202988L SE9202988L (enrdf_load_stackoverflow) | |
| SE9202988D0 SE9202988D0 (sv) | 1992-10-12 |
| SE516912C2 true SE516912C2 (sv) | 2002-03-19 |
Family
ID=20387453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9202988A SE516912C2 (sv) | 1992-10-12 | 1992-10-12 | Metod och anordning för informationssökning, såsom övervakning, inventering eller liknande |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE516912C2 (enrdf_load_stackoverflow) |
-
1992
- 1992-10-12 SE SE9202988A patent/SE516912C2/sv unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE9202988D0 (sv) | 1992-10-12 |
| SE9202988L (enrdf_load_stackoverflow) |
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