NL161904B - Diefstal-detectiestelsel. - Google Patents
Diefstal-detectiestelsel.Info
- Publication number
- NL161904B NL161904B NL7404466.A NL7404466A NL161904B NL 161904 B NL161904 B NL 161904B NL 7404466 A NL7404466 A NL 7404466A NL 161904 B NL161904 B NL 161904B
- Authority
- NL
- Netherlands
- Prior art keywords
- detection system
- theft detection
- theft
- detection
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 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
- G08B13/2414—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 inductive 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
- G08B13/2471—Antenna signal processing by receiver or emitter
-
- 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
- G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US351019A US3868669A (en) | 1973-04-13 | 1973-04-13 | Reduction of false alarms in electronic theft detection systems |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7404466A NL7404466A (nl) | 1974-10-15 |
NL161904B true NL161904B (nl) | 1979-10-15 |
Family
ID=23379246
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7404466,A NL161904C (nl) | 1973-04-13 | Diefstal-detectiestelsel. | |
NL7404466.A NL161904B (nl) | 1973-04-13 | 1974-04-02 | Diefstal-detectiestelsel. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7404466,A NL161904C (nl) | 1973-04-13 | Diefstal-detectiestelsel. |
Country Status (12)
Country | Link |
---|---|
US (1) | US3868669A (nl) |
JP (1) | JPS5752637B2 (nl) |
AU (1) | AU474729B2 (nl) |
BE (1) | BE813708A (nl) |
CA (1) | CA1023034A (nl) |
DE (1) | DE2417928C3 (nl) |
FR (1) | FR2228258B1 (nl) |
GB (1) | GB1440398A (nl) |
IT (1) | IT1018645B (nl) |
NL (2) | NL161904B (nl) |
SE (1) | SE397145B (nl) |
ZA (1) | ZA742089B (nl) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063230A (en) * | 1975-06-12 | 1977-12-13 | The Magnavox Company | Balanced field theft detection system |
US4016553A (en) * | 1975-06-27 | 1977-04-05 | Knogo Corporation | Article detection system with near field electromagnetic wave control |
US4045778A (en) * | 1976-02-23 | 1977-08-30 | Wagner Electric Corporation | Dual channel wide-band frequency modulated keyable control circuit and keying circuit therefor |
US4095214A (en) * | 1976-06-17 | 1978-06-13 | Knogo Corporation | Electronic monitoring system and responder device |
US4117466A (en) * | 1977-03-14 | 1978-09-26 | Lichtblau G J | Beat frequency interference rejection circuit |
NL7708012A (nl) * | 1977-07-19 | 1979-01-23 | Nedap Nv | Detectiestelsel. |
US4135184A (en) * | 1977-08-31 | 1979-01-16 | Knogo Corporation | Electronic theft detection system for monitoring wide passageways |
ZA7994B (en) * | 1978-01-11 | 1980-01-30 | Tag Radionics Ltd | Presence sensing system |
DK145169C (da) * | 1978-08-09 | 1983-02-21 | Security Prod Int | Anlaeg til registrering af en passage af en genstand gennem etforudbestemt omraade |
ATE6552T1 (de) * | 1979-05-18 | 1984-03-15 | Parmeko Limited | Verfahren und ueberwachungssystem zur feststellung der anwesenheit eines empfaengers-ruecksenders fuer elektromagnetische signale. |
US4532511A (en) * | 1979-10-12 | 1985-07-30 | Lemelson Jerome H | Automatic vehicle identification system and method |
US4281321A (en) * | 1980-06-09 | 1981-07-28 | Sensormatic Electronics Corporation | Surveillance system employing a floor mat radiator |
US4321586A (en) * | 1980-08-21 | 1982-03-23 | Knogo Corporation | Article theft detection |
US4481428A (en) * | 1981-05-19 | 1984-11-06 | Security Tag Systems, Inc. | Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation |
USRE32627E (en) * | 1981-09-10 | 1988-03-22 | Sensormatic Electronics Corporation | Electrical surveillance apparatus with moveable antenna elements |
NL8202951A (nl) * | 1982-07-21 | 1984-02-16 | Nedap Nv | Absorptiedetectiestelsel. |
US4623877A (en) | 1983-06-30 | 1986-11-18 | Knogo Corporation | Method and apparatus for detection of targets in an interrogation zone |
NL8600738A (nl) * | 1986-03-24 | 1987-10-16 | Nedap Nv | Onderdrukking van valse alarmen als gevolg van aanraken. |
US4794470A (en) * | 1986-06-25 | 1988-12-27 | Media Security Incorporated And Associates | Security system for protecting information |
US4812822A (en) * | 1987-08-31 | 1989-03-14 | Monarch Marking Systems, Inc. | Electronic article surveillance system utilizing synchronous integration |
NL9100026A (nl) * | 1991-01-09 | 1992-08-03 | Texas Instruments Holland | Ondervraagstation voor het identificeren van over een transportbaan voortbewogen objecten. |
NL9100110A (nl) * | 1991-01-23 | 1992-08-17 | Texas Instruments Holland | Ondervraagstation voor identificatiedoeleinden met afzonderlijke zend- en ontvangantennes. |
NL9100111A (nl) * | 1991-01-23 | 1992-08-17 | Texas Instruments Holland | Antennestelsel voor een ondervraagstation voor het identificeren van objecten. |
US5349332A (en) * | 1992-10-13 | 1994-09-20 | Sensormatic Electronics Corportion | EAS system with requency hopping |
GB9305085D0 (en) * | 1993-03-12 | 1993-04-28 | Esselte Meto Int Gmbh | Electronic article surveillance system with enhanced geometric arrangement |
EP0723692A4 (en) * | 1993-10-05 | 1997-05-28 | Pac Scan Inc | PRODUCT THEFT PROTECTION AND INFORMATION SYSTEM |
US5661470A (en) * | 1994-03-04 | 1997-08-26 | Karr; Gerald S. | Object recognition system |
DE19514601A1 (de) * | 1995-04-20 | 1996-10-24 | Esselte Meto Int Gmbh | Anlage zur elektronischen Artikelüberwachung, insbesondere zur Detektion von Schwingkreisen mit stark unterschiedlichen Resonanzfrequenzen |
CA2251326C (en) * | 1996-04-10 | 2003-06-17 | Sentry Technology Corporation | Electronic article surveillance system |
US5790031A (en) * | 1997-01-13 | 1998-08-04 | Trw Inc. | Apparatus and method for sensing a rearward facing child seat with error detection |
US5990791A (en) * | 1997-10-22 | 1999-11-23 | William B. Spargur | Anti-theft detection system |
FR2828016B1 (fr) * | 2001-07-30 | 2005-03-25 | Pygmalyon | Antennes du genre boucle |
US10726711B2 (en) | 2017-05-01 | 2020-07-28 | Johnson Controls Technology Company | Building security system with user presentation for false alarm reduction |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2794974A (en) * | 1955-01-24 | 1957-06-04 | Kidde & Co Walter | Compensation for turbulence and other efects in intruder detection systems |
US3218556A (en) * | 1963-03-29 | 1965-11-16 | Sierra Research Corp | Spectrum centered receiver |
US3577136A (en) * | 1967-08-04 | 1971-05-04 | Security Systems Inc | Short-range signaling system |
US3465336A (en) * | 1968-05-09 | 1969-09-02 | Us Army | Doppler radar with clutter controlled filter channel |
US3696379A (en) * | 1970-12-02 | 1972-10-03 | Knogo Corp | Apparatus for article theft detection |
US3711848A (en) * | 1971-02-10 | 1973-01-16 | I D Eng Inc | Method of and apparatus for the detection of stolen articles |
US3801977A (en) * | 1971-12-07 | 1974-04-02 | Gulf & Western Mfg Co | Ultrasonic alarm circuit |
US3781860A (en) * | 1972-02-14 | 1973-12-25 | Williamson W | Method and apparatus for inhibiting article theft |
-
0
- NL NLAANVRAGE7404466,A patent/NL161904C/nl active
-
1973
- 1973-04-13 US US351019A patent/US3868669A/en not_active Expired - Lifetime
-
1974
- 1974-03-27 CA CA196,105A patent/CA1023034A/en not_active Expired
- 1974-04-01 AU AU67407/74A patent/AU474729B2/en not_active Expired
- 1974-04-01 GB GB1430274A patent/GB1440398A/en not_active Expired
- 1974-04-02 ZA ZA00742089A patent/ZA742089B/xx unknown
- 1974-04-02 NL NL7404466.A patent/NL161904B/nl not_active IP Right Cessation
- 1974-04-05 IT IT50160/74A patent/IT1018645B/it active
- 1974-04-10 SE SE7404939A patent/SE397145B/xx unknown
- 1974-04-11 DE DE2417928A patent/DE2417928C3/de not_active Expired
- 1974-04-11 FR FR7412855A patent/FR2228258B1/fr not_active Expired
- 1974-04-12 BE BE143198A patent/BE813708A/xx not_active IP Right Cessation
- 1974-04-13 JP JP49041610A patent/JPS5752637B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3868669A (en) | 1975-02-25 |
BE813708A (fr) | 1974-10-14 |
FR2228258B1 (nl) | 1981-05-22 |
JPS5010600A (nl) | 1975-02-03 |
GB1440398A (en) | 1976-06-23 |
SE397145B (sv) | 1977-10-17 |
IT1018645B (it) | 1977-10-20 |
CA1023034A (en) | 1977-12-20 |
NL161904C (nl) | |
AU6740774A (en) | 1975-10-02 |
JPS5752637B2 (nl) | 1982-11-09 |
DE2417928B2 (de) | 1977-10-27 |
ZA742089B (en) | 1975-04-30 |
FR2228258A1 (nl) | 1974-11-29 |
AU474729B2 (en) | 1976-07-29 |
NL7404466A (nl) | 1974-10-15 |
DE2417928A1 (de) | 1974-10-24 |
DE2417928C3 (de) | 1978-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
P1 | Automatically granted patents, except | ||
NP1G | Patent granted (not automatically) [patent specification modified] | ||
V1 | Lapsed because of non-payment of the annual fee |