BE371764A - - Google Patents
Info
- Publication number
- BE371764A BE371764A BE371764DA BE371764A BE 371764 A BE371764 A BE 371764A BE 371764D A BE371764D A BE 371764DA BE 371764 A BE371764 A BE 371764A
- Authority
- BE
- Belgium
- Prior art keywords
- receiver
- transmitter
- space
- alarm device
- reception
- Prior art date
Links
- 239000004020 conductor Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004804 winding Methods 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
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371764A true BE371764A (cs) |
Family
ID=42989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371764D BE371764A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE371764A (cs) |
-
0
- BE BE371764D patent/BE371764A/fr unknown
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