SU959642A3 - Деактивируемый маркировочный элемент дл обнаружени предметов в зоне контрол с переменным магнитным полем в особенности дл предотвращени краж в магазинах - Google Patents
Деактивируемый маркировочный элемент дл обнаружени предметов в зоне контрол с переменным магнитным полем в особенности дл предотвращени краж в магазинах Download PDFInfo
- Publication number
- SU959642A3 SU959642A3 SU802980601A SU2980601A SU959642A3 SU 959642 A3 SU959642 A3 SU 959642A3 SU 802980601 A SU802980601 A SU 802980601A SU 2980601 A SU2980601 A SU 2980601A SU 959642 A3 SU959642 A3 SU 959642A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- segments
- strip
- magnetic field
- magnetic
- distance
- Prior art date
Links
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762641876 DE2641876C3 (de) | 1976-09-17 | 1976-09-17 | Deaktivierbares Markierungselement zur Feststellung von Gegenständen in einem Überwachungsbereich, insbesondere zur Verhinderung von Ladendiebstählen |
Publications (1)
Publication Number | Publication Date |
---|---|
SU959642A3 true SU959642A3 (ru) | 1982-09-15 |
Family
ID=5988180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU802980601A SU959642A3 (ru) | 1976-09-17 | 1980-09-05 | Деактивируемый маркировочный элемент дл обнаружени предметов в зоне контрол с переменным магнитным полем в особенности дл предотвращени краж в магазинах |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT363353B (de) |
DE (1) | DE2641876C3 (de) |
SU (1) | SU959642A3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686516A (en) * | 1984-11-26 | 1987-08-11 | Sensormatic Electronics Corporation | Method, system and apparatus for use in article surveillance |
-
1976
- 1976-09-17 DE DE19762641876 patent/DE2641876C3/de not_active Expired
-
1977
- 1977-03-21 AT AT193977A patent/AT363353B/de not_active IP Right Cessation
-
1980
- 1980-09-05 SU SU802980601A patent/SU959642A3/ru active
Also Published As
Publication number | Publication date |
---|---|
DE2641876C3 (de) | 1979-05-23 |
AT363353B (de) | 1981-07-27 |
ATA193977A (de) | 1980-12-15 |
DE2641876B2 (de) | 1978-09-28 |
DE2641876A1 (de) | 1978-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4123749A (en) | Method and system for determining the presence of objects within a particular surveillance area, in particular for prevention of shoplifting | |
US4652863A (en) | Disarmable magnetic anti-shoplifting marker | |
US4967185A (en) | Multi-directionally responsive, dual-status, magnetic article surveillance marker having continuous keeper | |
US4710752A (en) | Apparatus and method for detecting a magnetic marker | |
RU97118368A (ru) | Пространственный магнитный опрос | |
US3765007A (en) | Method and apparatus for detecting at a distance the status and identity of objects | |
US3990065A (en) | Theft detection system | |
DE69702652T2 (de) | Warenüberwachungssystem | |
US4746908A (en) | Dual-status, magnetically imagable article surveillance marker | |
US3983552A (en) | Pilferage detection systems | |
US5414410A (en) | Method and system for detecting a marker | |
US4158434A (en) | Electronic status determining system for goods | |
US5017907A (en) | Double pulse magnetic markers | |
US5406262A (en) | Adjusting magnetic bias field intensity in EAS presence detection system to enhance detection | |
JP2818716B2 (ja) | 電子式物品監視システム用ターゲットの増感/減感装置と方法 | |
CA2067076A1 (en) | Inductive position indicator | |
SU959642A3 (ru) | Деактивируемый маркировочный элемент дл обнаружени предметов в зоне контрол с переменным магнитным полем в особенности дл предотвращени краж в магазинах | |
US6121879A (en) | Deactivation element configuration for microwave-magnetic EAS marker | |
US3917997A (en) | Magnetic flux closure member for an angular velocity sensing device | |
US3825910A (en) | Propagation of magnetic domains by self-induced drive fields | |
WO1994028524A1 (en) | Collector type article surveillance marker having a persistent state | |
US3559044A (en) | Side band detection system for nuclear magnetic resonance flowmeters | |
US4038597A (en) | Magnetoresistance detection device having noise suppression | |
JPH03131717A (ja) | 直線位置検出装置 | |
SU962798A1 (ru) | Способ неразрушающего контрол прот женных ферромагнитных изделий |