NL9300180A - Detection of resonance by single-sideband demodulation. - Google Patents

Detection of resonance by single-sideband demodulation. Download PDF

Info

Publication number: NL9300180A
Authority: NL; Netherlands
Prior art keywords: resonance; detection; sideband demodulation; sideband; demodulation
Prior art date: 1993-01-28

Application number

NL9300180A

Other languages

Dutch (nl)

Original Assignee

Nedap Nv

Priority date (The priority date 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 date listed.)

1993-01-28

Filing date

1993-01-28

Publication date

1994-08-16

1993-01-28 Application filed by Nedap Nv filed Critical Nedap Nv

1993-01-28 Priority to NL9300180A priority Critical patent/NL9300180A/en

1994-01-28 Priority to EP19940200205 priority patent/EP0608961B1/en

1994-01-28 Priority to ES94200205T priority patent/ES2121139T3/en

1994-01-28 Priority to DE1994612872 priority patent/DE69412872T2/en

1994-08-16 Publication of NL9300180A publication Critical patent/NL9300180A/en

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
- G08B13/2405—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
- G08B13/2417—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 having a radio frequency identification chip
- 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
- G08B13/2428—Tag details
- G08B13/2431—Tag circuit details
- 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

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Computer Security & Cryptography (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)
Signal Processing (AREA)
Radar Systems Or Details Thereof (AREA)
Near-Field Transmission Systems (AREA)
Burglar Alarm Systems (AREA)

NL9300180A 1993-01-28 1993-01-28 Detection of resonance by single-sideband demodulation. NL9300180A (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
NL9300180A NL9300180A (en)	1993-01-28	1993-01-28	Detection of resonance by single-sideband demodulation.
EP19940200205 EP0608961B1 (en)	1993-01-28	1994-01-28	Detection system for detecting resonance effects of a label in a frequency-swept interrogation field by means of single sideband demodulation and method for carrying out such detection
ES94200205T ES2121139T3 (en)	1993-01-28	1994-01-28	PROCEDURE AND SYSTEM FOR THE DETECTION OF THE RESONANCE EFFECTS OF A LABEL IN A FIELD OF FREQUENCY SWEEP INTERROGATION THROUGH THE DEMODULATION OF A SINGLE SIDE BAND.
DE1994612872 DE69412872T2 (en)	1993-01-28	1994-01-28	Method and system for the detection of resonance effects of a label in a wobbled query field by means of single sideband demodulation

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL9300180A NL9300180A (en)	1993-01-28	1993-01-28	Detection of resonance by single-sideband demodulation.

Publications (1)

Publication Number	Publication Date
NL9300180A true NL9300180A (en)	1994-08-16

Family

ID=19861997

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL9300180A NL9300180A (en)	1993-01-28	1993-01-28	Detection of resonance by single-sideband demodulation.

Country Status (4)

Country	Link
EP (1)	EP0608961B1 (en)
DE (1)	DE69412872T2 (en)
ES (1)	ES2121139T3 (en)
NL (1)	NL9300180A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4436977A1 (en) *	1994-10-15	1996-04-18	Esselte Meto Int Gmbh	System for electronic article surveillance
EP0700026A1 (en) *	1995-07-25	1996-03-06	Actron Produktion AG	Method and apparatus for remotely detecting electric resonant circuits
DE19908879A1 (en) *	1999-03-01	2000-09-07	Georg Siegel Gmbh Zur Verwertu	Process for retrofitting sensor systems for security tags
NL1011416C2 (en) *	1999-03-01	2000-09-06	Nl App Nfabriek Oenedapoe Nv	Single side band transmitter application and circuits for RF ID interrogation unit.
NL1011673C2 (en) *	1999-03-25	2000-09-27	Nedap Nv	Rotating field receiver for magnetic identification system.
JP2010529564A (en)	2007-06-08	2010-08-26	チエツクポイントシステムズ，インコーポレーテツド	Dynamic EAS detection system and method
US8933790B2 (en)	2007-06-08	2015-01-13	Checkpoint Systems, Inc.	Phase coupler for rotating fields
DE102011014317B4 (en) *	2011-03-18	2021-07-29	Robert Bosch Gmbh	Sensor monitoring of a position measuring device by means of heat noise
US9418261B2 (en)	2012-11-23	2016-08-16	Delaval Holding Ab	Registering of a transponder tag via an alternating electromagnetic field
CN207051913U (en)	2014-05-06	2018-02-27	利拉伐控股有限公司	Registered via the transponder label of alternating electromagnetic field

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8202951A (en) *	1982-07-21	1984-02-16	Nedap Nv	ABSORPTION DETECTION SYSTEM.
US4812822A (en) *	1987-08-31	1989-03-14	Monarch Marking Systems, Inc.	Electronic article surveillance system utilizing synchronous integration
NL8900658A (en) *	1989-03-17	1990-10-16	Nedap Nv	HIGH-FREQUENT SHOPPING THEFT DETECTION SYSTEM ACCORDING TO THE TRANSMISSION PRINCIPLE.

1993
- 1993-01-28 NL NL9300180A patent/NL9300180A/en not_active Application Discontinuation
1994
- 1994-01-28 EP EP19940200205 patent/EP0608961B1/en not_active Expired - Lifetime
- 1994-01-28 ES ES94200205T patent/ES2121139T3/en not_active Expired - Lifetime
- 1994-01-28 DE DE1994612872 patent/DE69412872T2/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0608961A1 (en)	1994-08-03
DE69412872D1 (en)	1998-10-08
DE69412872T2 (en)	1999-05-12
ES2121139T3 (en)	1998-11-16
EP0608961B1 (en)	1998-09-02

Publication	Publication Date	Title
ATE280160T1 (en)	2004-11-15	SUBSTITUTED ARYL OR HETEROARYL AMIDES WITH RETINOID-LIKE BIOLOGICAL ACTIVITY
DE59308388D1 (en)	1998-05-14	Vehicle door
DE69914233D1 (en)	2004-02-26	Vehicle radar for the correct detection of objects
TR26954A (en)	1994-09-12	Frequency domain polarimeter. Frequency domain polarimeter.
NL9300180A (en)	1994-08-16	Detection of resonance by single-sideband demodulation.
FR2693686B1 (en)	1994-09-16	Vehicle door.
DE59100893D1 (en)	1994-03-03	Vehicle door.
DE69421501D1 (en)	1999-12-09	HIDDEN SIGNAL WINDOW
FR2709032B1 (en)	1996-02-09	Lock system.
EP0717844A4 (en)	1999-04-14	PHOTOCHEMICAL DETECTION OF ORGANIC COMPONENTS
NL193910B (en)	2000-10-02	Window or door construction.
ATA169293A (en)	1994-08-15	FOLDING OR SWINGING DOOR
DE59409831D1 (en)	2001-09-20	Oligonucleotides for the detection of Enterobacteriaceae
FR2709785B1 (en)	1997-10-03	Handling door.
FR2701645B1 (en)	1995-04-21	Display of anti-theft rings with or without alarm.
FR2712625B1 (en)	1996-01-26	Watertight door system.
FR2729429B1 (en)	1997-03-14	WINDOW, WINDOW CARRIER OR THE LIKE
FR2698547B1 (en)	1995-02-03	Flameproof door leaf.
ITTO930751A1 (en)	1995-04-14	HINGE FOR DOOR OR DOOR OF VEHICLE.
FR2710939B1 (en)	1996-09-06	Door lock assembly.
KR950001456U (en)	1995-01-04	Door lock
NL187279C (en)	1991-08-01	CROSS HINGE WITH ANGLE LIMITATION OF THE HINGE PARTS.
KR950014168U (en)	1995-06-16	The hanger of the tag
KR950019195U (en)	1995-07-24	Stopper for window clerk
FR2710100B1 (en)	1995-12-08	Sliding door.

Legal Events

Date	Code	Title	Description
1994-08-16	A1B	A search report has been drawn up
1996-06-03	BV	The patent application has lapsed