CA1229896A - Logique de detection et methode et appareil de traitement de signal pour antivol - Google Patents

Logique de detection et methode et appareil de traitement de signal pour antivol

Info

Publication number: CA1229896A
Authority: CA; Canada
Prior art keywords: marker; signal; signals; field; detection
Prior art date: 1982-03-15
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.): Expired

Application number

CA000522288A

Other languages

English (en)

Inventor

Larry Eccleston

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Progressive Dynamics Inc

Original Assignee

Progressive Dynamics Inc

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.)

1982-03-15

Filing date

1986-11-05

Publication date

1987-12-01

1982-03-15 Priority claimed from US06/358,299 external-priority patent/US4535323A/en

1982-03-15 Priority claimed from US06/358,383 external-priority patent/US4524350A/en

1983-03-14 Priority claimed from CA000423477A external-priority patent/CA1217256A/fr

1986-11-05 Application filed by Progressive Dynamics Inc filed Critical Progressive Dynamics Inc

1986-11-05 Priority to CA000522288A priority Critical patent/CA1229896A/fr

1987-12-01 Application granted granted Critical

1987-12-01 Publication of CA1229896A publication Critical patent/CA1229896A/fr

Status Expired legal-status Critical Current

Links

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Landscapes

Burglar Alarm Systems (AREA)

CA000522288A 1982-03-15 1986-11-05 Logique de detection et methode et appareil de traitement de signal pour antivol Expired CA1229896A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000522288A CA1229896A (fr)	1982-03-15	1986-11-05	Logique de detection et methode et appareil de traitement de signal pour antivol

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
US358,383		1982-03-15
US06/358,299 US4535323A (en)	1982-03-15	1982-03-15	Preamplifying and signal processing method and apparatus for theft detection systems
US358,299		1982-03-15
US06/358,383 US4524350A (en)	1982-03-15	1982-03-15	Detection logic and signal processing method and apparatus for theft detection systems
US36426482A	1982-04-01	1982-04-01
US364,264		1982-04-01
CA000423477A CA1217256A (fr)	1982-03-15	1983-03-14	Methode et appareil de traitement de signaux pour systemes detecteurs de vol
CA000522288A CA1229896A (fr)	1982-03-15	1986-11-05	Logique de detection et methode et appareil de traitement de signal pour antivol

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000423477A Division CA1217256A (fr)	1982-03-15	1983-03-14	Methode et appareil de traitement de signaux pour systemes detecteurs de vol

Publications (1)

Publication Number	Publication Date
CA1229896A true CA1229896A (fr)	1987-12-01

Family

ID=27426364

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000522288A Expired CA1229896A (fr)	1982-03-15	1986-11-05	Logique de detection et methode et appareil de traitement de signal pour antivol

Country Status (1)

Country	Link
CA (1)	CA1229896A (fr)

1986
- 1986-11-05 CA CA000522288A patent/CA1229896A/fr not_active Expired

Legal Events

Date	Code	Title	Description
2004-12-01	MKEX	Expiry

Publication	Publication Date	Title
EP0130286B1 (fr)	1990-07-25	Procédé et appareil pour détecter des éléments indicateurs dans une zone de surveillance
CA1294342C (fr)	1992-01-14	Systeme de surveillance d'articles electroniques
US4249167A (en)	1981-02-03	Apparatus and method for theft detection system having different frequencies
CA1173931A (fr)	1984-09-04	Systeme de surveillance magnetique distinguant les harmoniques et determinant la phase
CA1169136A (fr)	1984-06-12	Detecteur de vol d'articles
US3990065A (en)	1976-11-02	Theft detection system
EP0740822B1 (fr)	2003-07-02	Systeme de detection de metaux
US5689184A (en)	1997-11-18	Large scale metallic object detector
US4063229A (en)	1977-12-13	Article surveillance
CN105842739B (zh)	2020-06-09	通过式特定金属探测门
US4704602A (en)	1987-11-03	Method and system for detecting an indicating device
EP0611164B1 (fr)	1999-03-24	Procédé et système de détection d'une étiquette de marquage
MXPA96002831A (es)	1998-01-01	Sistema para deteccion de metales
US4888579A (en)	1989-12-19	False alarm minimization and direction determination methods
US4791412A (en)	1988-12-13	Magnetic article surveillance system and method
CA2091790A1 (fr)	1993-09-18	Methode et systeme de surveillance electromagnetique pour zone de securite
US4206451A (en)	1980-06-03	Intrusion detection system
KR19980703681A (ko)	1998-12-05	적응 필터링 기능 및 디지털 검출 기능을 갖는 전자식 물체감시 시스템
CA2138273C (fr)	2001-08-14	Methode et appareil de detection de vols a traitement de signaux numeriques
US4524350A (en)	1985-06-18	Detection logic and signal processing method and apparatus for theft detection systems
US4535323A (en)	1985-08-13	Preamplifying and signal processing method and apparatus for theft detection systems
CA1229896A (fr)	1987-12-01	Logique de detection et methode et appareil de traitement de signal pour antivol
CA1217256A (fr)	1987-01-27	Methode et appareil de traitement de signaux pour systemes detecteurs de vol
DE4200082A1 (de)	1993-07-08	Vorrichtung und verfahren zum erkennen eines magnetisierbaren markierungselementes
US4286261A (en)	1981-08-25	Apparatus for discriminating between strain and magnetic stimuli in magnetic cored solenoid type transducer line sensors