DE1774444A1 - UEberwachungsgeraet - Google Patents
UEberwachungsgeraetInfo
- Publication number
- DE1774444A1 DE1774444A1 DE19681774444 DE1774444A DE1774444A1 DE 1774444 A1 DE1774444 A1 DE 1774444A1 DE 19681774444 DE19681774444 DE 19681774444 DE 1774444 A DE1774444 A DE 1774444A DE 1774444 A1 DE1774444 A1 DE 1774444A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- needle
- detector
- magnet
- relative
- 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.)
- Pending
Links
- 238000012806 monitoring device Methods 0.000 title claims description 19
- 230000005291 magnetic effect Effects 0.000 claims description 75
- 230000005855 radiation Effects 0.000 claims description 14
- 239000000696 magnetic material Substances 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 230000002285 radioactive effect Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000012857 radioactive material Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 241001233037 catfish Species 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
- 238000012360 testing method 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
- G08B13/2402—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
- G08B13/2405—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 characterised by the tag technology used
- G08B13/2408—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 characterised by the tag technology used using ferromagnetic tags
-
- 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
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2477—Antenna or antenna activator circuit
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2953367 | 1967-06-27 | ||
| GB5021867A GB1234762A (en) | 1967-06-27 | 1967-06-27 | Detection apparatus |
| GB3714667 | 1967-08-12 | ||
| GB4322067 | 1967-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1774444A1 true DE1774444A1 (de) | 1971-06-24 |
Family
ID=27448766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681774444 Pending DE1774444A1 (de) | 1967-06-27 | 1968-06-20 | UEberwachungsgeraet |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE717228A (OSRAM) |
| CH (1) | CH495596A (OSRAM) |
| DE (1) | DE1774444A1 (OSRAM) |
| FR (1) | FR1571102A (OSRAM) |
| GB (1) | GB1234762A (OSRAM) |
| LU (1) | LU56333A1 (OSRAM) |
| NL (1) | NL6809085A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2154350A (en) * | 1984-02-17 | 1985-09-04 | Standard Telephones Cables Ltd | Preventing misuse of information stored on computer tapes and the like |
-
1967
- 1967-06-27 GB GB5021867A patent/GB1234762A/en not_active Expired
-
1968
- 1968-06-20 DE DE19681774444 patent/DE1774444A1/de active Pending
- 1968-06-25 LU LU56333D patent/LU56333A1/xx unknown
- 1968-06-26 FR FR1571102D patent/FR1571102A/fr not_active Expired
- 1968-06-27 CH CH960968A patent/CH495596A/fr not_active IP Right Cessation
- 1968-06-27 NL NL6809085A patent/NL6809085A/xx unknown
- 1968-06-27 BE BE717228D patent/BE717228A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU56333A1 (OSRAM) | 1968-09-30 |
| FR1571102A (OSRAM) | 1969-06-13 |
| GB1234762A (en) | 1971-06-09 |
| BE717228A (OSRAM) | 1968-12-02 |
| NL6809085A (OSRAM) | 1968-12-30 |
| CH495596A (fr) | 1970-08-31 |
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