CA1340420C - Systeme de verrouillage electronique avec dispositif d'acces portatif - Google Patents

Systeme de verrouillage electronique avec dispositif d'acces portatif

Info

Publication number: CA1340420C
Authority: CA; Canada
Prior art keywords: access device; power; lock box; housing; circuitry
Prior art date: 1988-04-20
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 - Fee Related

Application number

CA000617067A

Other languages

English (en)

Inventor

Mir A. Imran

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.)

Carrier Fire and Security Americas Corp

Original Assignee

Supra Products 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.)

1988-04-20

Filing date

1996-11-20

Publication date

1999-03-02

1988-04-20 Priority claimed from US07/184,204 external-priority patent/US4851652A/en

1996-11-20 Application filed by Supra Products Inc filed Critical Supra Products Inc

1996-11-20 Priority to CA000617067A priority Critical patent/CA1340420C/fr

1999-03-02 Application granted granted Critical

1999-03-02 Publication of CA1340420C publication Critical patent/CA1340420C/fr

2009-04-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000003990 capacitor Substances 0.000 claims abstract description 16
239000004020 conductor Substances 0.000 description 19
239000003795 chemical substances by application Substances 0.000 description 18
230000006870 function Effects 0.000 description 16
235000014676 Phragmites communis Nutrition 0.000 description 11
238000000034 method Methods 0.000 description 9
238000012360 testing method Methods 0.000 description 8
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
230000005540 biological transmission Effects 0.000 description 7
229910052744 lithium Inorganic materials 0.000 description 7
239000000543 intermediate Substances 0.000 description 6
210000003141 lower extremity Anatomy 0.000 description 6
239000000463 material Substances 0.000 description 6
210000001364 upper extremity Anatomy 0.000 description 6
239000013078 crystal Substances 0.000 description 5
230000000994 depressogenic effect Effects 0.000 description 5
238000010586 diagram Methods 0.000 description 5
210000003414 extremity Anatomy 0.000 description 4
239000004033 plastic Substances 0.000 description 4
230000003405 preventing effect Effects 0.000 description 4
230000003068 static effect Effects 0.000 description 3
210000005069 ears Anatomy 0.000 description 2
239000011810 insulating material Substances 0.000 description 2
230000000007 visual effect Effects 0.000 description 2
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
229910001229 Pot metal Inorganic materials 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000000881 depressing effect Effects 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000000696 magnetic material Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000002991 molded plastic Substances 0.000 description 1
238000011022 operating instruction Methods 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
239000012858 resilient material Substances 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000006748 scratching Methods 0.000 description 1
230000002393 scratching effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1

Landscapes

Lock And Its Accessories (AREA)

CA000617067A 1988-04-20 1996-11-20 Systeme de verrouillage electronique avec dispositif d'acces portatif Expired - Fee Related CA1340420C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000617067A CA1340420C (fr)	1988-04-20	1996-11-20	Systeme de verrouillage electronique avec dispositif d'acces portatif

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US07/184,204 US4851652A (en)	1988-04-20	1988-04-20	Electronic lock box, access card, system and method
US184,204		1988-04-20
CA000597078A CA1338941C (fr)	1988-04-20	1989-04-19	Case postale electronique a dispositif d'acces portatif
CA000617067A CA1340420C (fr)	1988-04-20	1996-11-20	Systeme de verrouillage electronique avec dispositif d'acces portatif

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000597078A Division CA1338941C (fr)	1988-04-20	1989-04-19	Case postale electronique a dispositif d'acces portatif

Publications (1)

Publication Number	Publication Date
CA1340420C true CA1340420C (fr)	1999-03-02

Family

ID=25672630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000617067A Expired - Fee Related CA1340420C (fr)	1988-04-20	1996-11-20	Systeme de verrouillage electronique avec dispositif d'acces portatif

Country Status (1)

Country	Link
CA (1)	CA1340420C (fr)

1996
- 1996-11-20 CA CA000617067A patent/CA1340420C/fr not_active Expired - Fee Related

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Legal Events

Date	Code	Title	Description
2016-04-13	MKLA	Lapsed	Effective date: 20160302