FR2638268B1 - DEVICES FOR ALLOWING DISCRIMINATION BETWEEN SEVERAL SIMULTANEOUS PHENOMENAS - Google Patents

DEVICES FOR ALLOWING DISCRIMINATION BETWEEN SEVERAL SIMULTANEOUS PHENOMENAS

Info

Publication number
FR2638268B1
FR2638268B1 FR8813921A FR8813921A FR2638268B1 FR 2638268 B1 FR2638268 B1 FR 2638268B1 FR 8813921 A FR8813921 A FR 8813921A FR 8813921 A FR8813921 A FR 8813921A FR 2638268 B1 FR2638268 B1 FR 2638268B1
Authority
FR
France
Prior art keywords
phenomenas
devices
several simultaneous
allowing discrimination
discrimination
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.)
Expired - Fee Related
Application number
FR8813921A
Other languages
French (fr)
Other versions
FR2638268A1 (en
Inventor
Duboys Jacques
Akenine Gerard
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.)
Cerberus Guinard
Original Assignee
Cerberus Guinard
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.)
Filing date
Publication date
Application filed by Cerberus Guinard filed Critical Cerberus Guinard
Priority to FR8813921A priority Critical patent/FR2638268B1/en
Priority to EP89402890A priority patent/EP0368710A1/en
Publication of FR2638268A1 publication Critical patent/FR2638268A1/en
Application granted granted Critical
Publication of FR2638268B1 publication Critical patent/FR2638268B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
FR8813921A 1988-10-25 1988-10-25 DEVICES FOR ALLOWING DISCRIMINATION BETWEEN SEVERAL SIMULTANEOUS PHENOMENAS Expired - Fee Related FR2638268B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8813921A FR2638268B1 (en) 1988-10-25 1988-10-25 DEVICES FOR ALLOWING DISCRIMINATION BETWEEN SEVERAL SIMULTANEOUS PHENOMENAS
EP89402890A EP0368710A1 (en) 1988-10-25 1989-10-19 Devices for discriminating between a number of simultaneous phenomena

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8813921A FR2638268B1 (en) 1988-10-25 1988-10-25 DEVICES FOR ALLOWING DISCRIMINATION BETWEEN SEVERAL SIMULTANEOUS PHENOMENAS

Publications (2)

Publication Number Publication Date
FR2638268A1 FR2638268A1 (en) 1990-04-27
FR2638268B1 true FR2638268B1 (en) 1994-02-11

Family

ID=9371249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8813921A Expired - Fee Related FR2638268B1 (en) 1988-10-25 1988-10-25 DEVICES FOR ALLOWING DISCRIMINATION BETWEEN SEVERAL SIMULTANEOUS PHENOMENAS

Country Status (2)

Country Link
EP (1) EP0368710A1 (en)
FR (1) FR2638268B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000606A (en) * 1990-03-16 1991-10-16 Ericsson Radio Systems Bv SYSTEM FOR THE TRANSMISSION OF ALARM SIGNALS.
DE4243026C2 (en) * 1992-12-18 1994-10-13 Grundig Emv Radio alarm system with asynchronous transmission of messages via time channels of different periods
FR2748340B1 (en) * 1996-05-02 1998-07-31 Dumberger Electro Bobinage Ets MONITORING SYSTEM USING AN ALARM CONTROL UNIT AND AT LEAST ONE SINGLE-FREQUENCY AND SINGLE-DIRECTIONAL RADIO LINK SENSING UNIT
US6249229B1 (en) * 1999-08-16 2001-06-19 Checkpoint Systems, Inc., A Corp. Of Pennsylvania Electronic article security system employing variable time shifts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665312A (en) * 1969-10-06 1972-05-23 Goldman Paul Radio alarm system
DE2351013B2 (en) * 1973-10-11 1977-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt MESSAGE TRANSMISSION SYSTEM
DE2802075C3 (en) * 1978-01-18 1980-11-13 Compur-Electronic Gmbh, 8000 Muenchen Procedures for security and surveillance, in particular for personal security and surveillance, as well as an arrangement for the implementation of the procedure
DE3642951A1 (en) * 1986-02-06 1987-08-20 Notifier Co DETECTOR SYSTEM, IN PARTICULAR SAFETY SYSTEM, AND METHOD FOR GENERATING A DISPLAY OF A CONDITION AT AT LEAST ONE REMOTE SITE

Also Published As

Publication number Publication date
EP0368710A1 (en) 1990-05-16
FR2638268A1 (en) 1990-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse