DE2159606A1 - Anlage zum Feststellen unerlaubter Entfernung von Gegenständen oder Waren - Google Patents
Anlage zum Feststellen unerlaubter Entfernung von Gegenständen oder WarenInfo
- Publication number
- DE2159606A1 DE2159606A1 DE19712159606 DE2159606A DE2159606A1 DE 2159606 A1 DE2159606 A1 DE 2159606A1 DE 19712159606 DE19712159606 DE 19712159606 DE 2159606 A DE2159606 A DE 2159606A DE 2159606 A1 DE2159606 A1 DE 2159606A1
- Authority
- DE
- Germany
- Prior art keywords
- devices
- pulse
- antenna
- output
- output device
- 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
- 230000008859 change Effects 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 2
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 32
- 230000005855 radiation Effects 0.000 description 14
- 230000001681 protective effect Effects 0.000 description 13
- 238000012544 monitoring process Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 8
- 230000001960 triggered effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013589 supplement Substances 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
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
-
- 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
- G08B13/2471—Antenna signal processing by receiver or emitter
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9444170A | 1970-12-02 | 1970-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2159606A1 true DE2159606A1 (de) | 1972-06-15 |
Family
ID=22245221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712159606 Pending DE2159606A1 (de) | 1970-12-02 | 1971-12-01 | Anlage zum Feststellen unerlaubter Entfernung von Gegenständen oder Waren |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3696379A (enExample) |
| AU (1) | AU433043B2 (enExample) |
| BE (1) | BE775869A (enExample) |
| CA (1) | CA954202A (enExample) |
| DE (1) | DE2159606A1 (enExample) |
| FR (1) | FR2116511B1 (enExample) |
| GB (1) | GB1329194A (enExample) |
| IT (1) | IT946253B (enExample) |
| ZA (1) | ZA717336B (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919704A (en) * | 1972-12-04 | 1975-11-11 | Check Mate Systems Inc | System and method for detecting unauthorized removal of goods from protected premises, and magnet detecting apparatus suitable for use therein |
| NL161904C (nl) * | 1973-04-13 | Knogo Corp | Diefstal-detectiestelsel. | |
| US3828337A (en) * | 1973-08-20 | 1974-08-06 | G Lichtblau | Noise rejection circuitry |
| US4063230A (en) * | 1975-06-12 | 1977-12-13 | The Magnavox Company | Balanced field theft detection system |
| US4117466A (en) * | 1977-03-14 | 1978-09-26 | Lichtblau G J | Beat frequency interference rejection circuit |
| NL7804417A (nl) * | 1977-04-28 | 1978-10-31 | Parmeko Ltd | Detectiestelsel voor het bewaken van de positie van een artikel in een controlezone. |
| NL7708012A (nl) * | 1977-07-19 | 1979-01-23 | Nedap Nv | Detectiestelsel. |
| DE2732543C3 (de) * | 1977-07-19 | 1980-08-07 | Precitec Gesellschaft Fuer Praezisionstechnik Und Elektronik Mbh & Co Entwicklungs- Und Vertriebs-Kg, 7570 Baden-Baden | Vorrichtung zur Erfassung von sich im Gebiet einer Grenzfläche befindenden Objekten |
| US4135184A (en) * | 1977-08-31 | 1979-01-16 | Knogo Corporation | Electronic theft detection system for monitoring wide passageways |
| US4168496A (en) * | 1977-10-05 | 1979-09-18 | Lichtblau G J | Quasi-stationary noise cancellation system |
| US4321586A (en) * | 1980-08-21 | 1982-03-23 | Knogo Corporation | Article theft detection |
| US4484182A (en) * | 1981-07-01 | 1984-11-20 | Shorrock Developments Limited | Intruder detection apparatus for functioning free of disturbance while in close proximity to high-power pulse-moldulated radars |
| AT405697B (de) * | 1984-04-23 | 1999-10-25 | Lichtblau G J | Deaktivierbarer resonanzschaltkreis |
| AU586692B2 (en) * | 1985-07-09 | 1989-07-20 | S.P.C. Limited | Packaging process |
| US5047750A (en) * | 1990-03-09 | 1991-09-10 | Hector Larry F | Non-intrusive infant security system |
| US5373301A (en) * | 1993-01-04 | 1994-12-13 | Checkpoint Systems, Inc. | Transmit and receive antenna having angled crossover elements |
| US5602556A (en) * | 1995-06-07 | 1997-02-11 | Check Point Systems, Inc. | Transmit and receive loop antenna |
| US5825291A (en) * | 1996-04-10 | 1998-10-20 | Sentry Technology Corporation | Electronic article surveillance system |
| US5990791A (en) * | 1997-10-22 | 1999-11-23 | William B. Spargur | Anti-theft detection system |
| US6147420A (en) * | 1997-12-16 | 2000-11-14 | Lear Automotive Dearborn, Inc. | Wireless switching system |
| US7183917B2 (en) * | 2003-05-19 | 2007-02-27 | Checkpoint Systems, Inc. | EAS/RFID identification hard tags |
| US7380711B2 (en) * | 2004-07-23 | 2008-06-03 | Checkpoint Systems, Inc. | Self-check system and method for protecting digital media |
| EP1760625A1 (en) * | 2005-08-29 | 2007-03-07 | Datamars SA | RFID system and a method for improving the detection efficiency of the RFID system |
| GB201116932D0 (en) * | 2011-10-01 | 2011-11-16 | Young Peter J | Device to detect unattended open door or draw |
| US11527138B2 (en) | 2018-05-17 | 2022-12-13 | Checkpoint Systems, Inc. | Dual hard tag |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2693525A (en) * | 1951-01-17 | 1954-11-02 | Gen Railway Signal Co | Inductive control system |
| US2774060A (en) * | 1953-06-15 | 1956-12-11 | Richard B Thompson | Detecting means for stolen goods |
| US3299424A (en) * | 1965-05-07 | 1967-01-17 | Jorgen P Vinding | Interrogator-responder identification system |
| US3500373A (en) * | 1966-05-06 | 1970-03-10 | Nat Bank Of North America The | Method and apparatus for article theft detection |
-
1970
- 1970-12-02 US US94441A patent/US3696379A/en not_active Expired - Lifetime
-
1971
- 1971-11-02 ZA ZA717336A patent/ZA717336B/xx unknown
- 1971-11-02 CA CA126,715A patent/CA954202A/en not_active Expired
- 1971-11-03 GB GB5111371A patent/GB1329194A/en not_active Expired
- 1971-11-04 AU AU35339/71A patent/AU433043B2/en not_active Expired
- 1971-11-26 BE BE775869A patent/BE775869A/xx unknown
- 1971-12-01 DE DE19712159606 patent/DE2159606A1/de active Pending
- 1971-12-02 IT IT54487/71A patent/IT946253B/it active
- 1971-12-02 FR FR7143360A patent/FR2116511B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT946253B (it) | 1973-05-21 |
| US3696379A (en) | 1972-10-03 |
| BE775869A (fr) | 1972-03-16 |
| FR2116511A1 (enExample) | 1972-07-13 |
| CA954202A (en) | 1974-09-03 |
| GB1329194A (en) | 1973-09-05 |
| AU3533971A (en) | 1973-03-15 |
| FR2116511B1 (enExample) | 1975-02-21 |
| AU433043B2 (en) | 1973-03-15 |
| ZA717336B (en) | 1972-07-26 |
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