FR2331849A1 - Systeme d'identification - Google Patents
Systeme d'identificationInfo
- Publication number
- FR2331849A1 FR2331849A1 FR7634190A FR7634190A FR2331849A1 FR 2331849 A1 FR2331849 A1 FR 2331849A1 FR 7634190 A FR7634190 A FR 7634190A FR 7634190 A FR7634190 A FR 7634190A FR 2331849 A1 FR2331849 A1 FR 2331849A1
- Authority
- FR
- France
- Prior art keywords
- identification system
- identification
- 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.)
- Granted
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
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
- G06K7/086—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing passive circuit, e.g. resonant circuit transponders
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
-
- 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
- G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7513348A NL7513348A (nl) | 1975-11-14 | 1975-11-14 | Identificatiestelsel. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2331849A1 true FR2331849A1 (fr) | 1977-06-10 |
FR2331849B3 FR2331849B3 (fr) | 1979-07-27 |
Family
ID=19824857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7634190A Granted FR2331849A1 (fr) | 1975-11-14 | 1976-11-12 | Systeme d'identification |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE848241A (fr) |
DE (1) | DE2651042A1 (fr) |
ES (1) | ES453283A1 (fr) |
FR (1) | FR2331849A1 (fr) |
GB (1) | GB1570877A (fr) |
IT (1) | IT1069330B (fr) |
NL (1) | NL7513348A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0333388A2 (fr) * | 1988-03-18 | 1989-09-20 | AT&T Corp. | Circuit de transfert de puissance comportant un résonateur accordé |
WO1992003876A1 (fr) * | 1990-08-15 | 1992-03-05 | Vaseal Electronics Limited | Combinaison d'un detecteur de proximite et d'une cible, detecteur de proximite et cible pour une telle combinaison |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7708012A (nl) * | 1977-07-19 | 1979-01-23 | Nedap Nv | Detectiestelsel. |
NL8202951A (nl) * | 1982-07-21 | 1984-02-16 | Nedap Nv | Absorptiedetectiestelsel. |
US4812822A (en) * | 1987-08-31 | 1989-03-14 | Monarch Marking Systems, Inc. | Electronic article surveillance system utilizing synchronous integration |
DE4431446C2 (de) * | 1994-09-03 | 1996-10-17 | Norbert H L Dr Ing Koster | Transponder-Antennenvorrichtung |
DE19518228C2 (de) * | 1995-05-12 | 2001-08-09 | Whd Elektron Prueftech Gmbh | Verfahren, Anordnungen, Vorrichtungen und Prüfzonen von zu prüfenden Objekten zur Echtheitsprüfung sowie Anwendung derselben |
US5783871A (en) * | 1996-09-24 | 1998-07-21 | Trw Inc. | Apparatus and method for sensing a rearward facing child seat |
DE19729299A1 (de) * | 1997-07-09 | 1999-01-14 | Michael Flor | Sicherungsvorrichtung |
-
1975
- 1975-11-14 NL NL7513348A patent/NL7513348A/xx not_active Application Discontinuation
-
1976
- 1976-11-09 DE DE19762651042 patent/DE2651042A1/de active Pending
- 1976-11-09 GB GB46656/76A patent/GB1570877A/en not_active Expired
- 1976-11-11 IT IT09654/76A patent/IT1069330B/it active
- 1976-11-12 BE BE2055444A patent/BE848241A/xx unknown
- 1976-11-12 ES ES453283A patent/ES453283A1/es not_active Expired
- 1976-11-12 FR FR7634190A patent/FR2331849A1/fr active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0333388A2 (fr) * | 1988-03-18 | 1989-09-20 | AT&T Corp. | Circuit de transfert de puissance comportant un résonateur accordé |
EP0333388A3 (fr) * | 1988-03-18 | 1993-03-03 | AT&T Corp. | Circuit de transfert de puissance comportant un résonateur accordé |
WO1992003876A1 (fr) * | 1990-08-15 | 1992-03-05 | Vaseal Electronics Limited | Combinaison d'un detecteur de proximite et d'une cible, detecteur de proximite et cible pour une telle combinaison |
US5291152A (en) * | 1990-08-15 | 1994-03-01 | Vaseal Electronics Limited | Proximity switch having oscillator inductively coupled through pulsed Faraday shield to resonant target |
Also Published As
Publication number | Publication date |
---|---|
NL7513348A (nl) | 1977-05-17 |
DE2651042A1 (de) | 1977-07-07 |
BE848241A (nl) | 1977-05-12 |
ES453283A1 (es) | 1978-02-01 |
FR2331849B3 (fr) | 1979-07-27 |
GB1570877A (en) | 1980-07-09 |
IT1069330B (it) | 1985-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |