WO1996019783A2 - Systemes d'alarmes - Google Patents

Systemes d'alarmes Download PDF

Info

Publication number
WO1996019783A2
WO1996019783A2 PCT/GB1995/002971 GB9502971W WO9619783A2 WO 1996019783 A2 WO1996019783 A2 WO 1996019783A2 GB 9502971 W GB9502971 W GB 9502971W WO 9619783 A2 WO9619783 A2 WO 9619783A2
Authority
WO
WIPO (PCT)
Prior art keywords
alarm
detector
levels
zones
zone
Prior art date
Application number
PCT/GB1995/002971
Other languages
English (en)
Inventor
David Armstrong
Original Assignee
Scantronic Limited
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 Scantronic Limited filed Critical Scantronic Limited
Priority to EP95940396A priority Critical patent/EP0799462A2/fr
Publication of WO1996019783A2 publication Critical patent/WO1996019783A2/fr
Priority to NO972839A priority patent/NO972839L/no

Links

Classifications

    • 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
    • G08B25/008—Alarm setting and unsetting, i.e. arming or disarming of the security system

Definitions

  • the present invention relates to alarm systems and more particularly to modifications which will make alarm systems more easy to use and to tailor to a user's wishes.
  • a premises is divided into a number of zones each monitored by a single detector.
  • the zones can be collected together into a group called an area and there may be a number of different areas within the premises.
  • the installer discusses with the user of the alarm system what operation is desired for each detector e.g. whether it is to be a normal alarm or an entry route, and whether or not the detector should only be in operation while the premises are empty.
  • the installer divides the premises into one or more areas and also decides which attributes each detector should have within the or each area. Once the attribute of a detector has been determined by the installer, it cannot be changed by the user.
  • One example of this is a detector for the entry zone.
  • this detector prefferably be connected to the main alarm circuitry by a delay circuit so that the user has time to de-activate the alarm. This delay is permanent so that if the premises are entered while the alarm is armed, there will always be a time delay before the alarm is sounded.
  • UK Patent Application GB 2150333 discloses an intruder alarm system having a plurality of modes of operation whereby different areas of a house, for example, may be protected in different ways at different times. This is achieved by either utilising or not utilising each individual alarm, and not by utilising different characteristics of one or more of the alarms depending on the mode of operation which has been selected. Such adaptability has however increased the complexity of the alarm system and reduced the ease with which an alarm system is armed by the user.
  • the present invention seeks to overcome the problems of increased complexity and difficulty by the user by proposing that one or more zones of an alarm system be provided with programmable stores for storing information indicative of different zone characteristics.
  • the different zone characteristics are associated with respective levels each of which relates to a collection of one or more areas linked together.
  • the advantage of this system is that a user simply has to arm the alarm at a particular level in order to achieve the desired operation. This can usually be done with the minimum of difficulty i.e. an access code plus one letter code such as A, B, C, or D or turning a key switch from off to full or part settings.
  • Fig. 1 is a diagram illustrating the basic principals of the present invention
  • Fig. 2 shows a plan of the ground floor of a building using the illustration of Fig. 1;
  • Fig. 3 shows a plan of the first floor of a building shown in Fig. 2.
  • FIG. 1 shows in diagrammatic form how an alarm system for a premises such as a house with a garage can be structured. It will be seen that the premises are divided into three areas namely the ground floor (area 01), the garage (area 02) and the first floor (area 03). These three areas are grouped together in differing combinations into four levels with each level being assigned a single fixed key on a keypad of the main control panel. The levels are as follows:
  • Level A arms the whole system.
  • Level B arms the perimeter zones of the ground floor with the exception of the entry/exit zones.
  • Level C arms the garage and ground floor zones but not the first floor
  • the premises is in the form of a house having ground and first floors, sometimes called first and second floors in some parts of the world, and a garage.
  • the garage is a quite distinctly separate location and constitutes its own area within the alarm system.
  • the ground floor of the house is provided with a number of detectors monitoring different zones.
  • the main areas such as the kitchen, dining room, study and lounge are provided with PIR detectors as in the hall.
  • the front and back doors as well as the French doors and the door from the kitchen into the hall are provided with flush contacts.
  • the French doors and windows adjacent them are provided with shock sensors.
  • the alarm installation could be conventional but we would have to decide, in a conventional system how to deal with the front and back doors and the PIR detector in the hall and kitchen.
  • a time delay would have to be introduced into their operation to allow time to disarm the system.
  • the present invention proposes that one or more of the zones be capable of different functions depending on the level of alarm called for by a user.
  • the front door which is designated Zone 01 in Fig. 2 can be provided with a number of different functions so that on installation the installer can define this zone to operate as a normal alarm i.e. no time delay when level C is set, as a NOT USED zone when level B is set and as a final exit zone i.e. with time delay, when level A is set.
  • the rear door which is designated zone 10 in Fig. 2 could be defined in exactly the same way as zone 01 or it could be modified to operate as a normal alarm when both levels B and C are set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)

Abstract

Cette invention se rapporte à un appareil d'alarme, qui comprend plusieurs dispositifs détecteurs, lesquels sont groupés pour fournir plusieurs niveaux de protection. Au moins l'un des dispositifs détecteurs est présent dans au moins deux des niveaux de protection et il est connecté à des moyens permettant de déterminer différentes caractéristiques pour le détecteur considéré dans des niveaux respectivement différents. Les caractéristiques des détecteurs, telles que le choix d'une temporisation ou d'une alarme immédiate, peuvent être prévues pour une ou plusieurs des alarmes.
PCT/GB1995/002971 1994-12-20 1995-12-19 Systemes d'alarmes WO1996019783A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP95940396A EP0799462A2 (fr) 1994-12-20 1995-12-19 Systemes d'alarmes
NO972839A NO972839L (no) 1994-12-20 1997-06-19 Alarmsystemer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9425742.5A GB9425742D0 (en) 1994-12-20 1994-12-20 Alarm systems
GB9425742.5 1994-12-20

Publications (1)

Publication Number Publication Date
WO1996019783A2 true WO1996019783A2 (fr) 1996-06-27

Family

ID=10766251

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1995/002971 WO1996019783A2 (fr) 1994-12-20 1995-12-19 Systemes d'alarmes

Country Status (4)

Country Link
EP (1) EP0799462A2 (fr)
GB (1) GB9425742D0 (fr)
NO (1) NO972839L (fr)
WO (1) WO1996019783A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998041954A1 (fr) * 1997-03-19 1998-03-18 Alcea Systeme et procede de mise en surveillance de locaux
FR2756082A1 (fr) * 1996-11-19 1998-05-22 Schneider Electric Sa Dispositif et procede de surveillance

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756082A1 (fr) * 1996-11-19 1998-05-22 Schneider Electric Sa Dispositif et procede de surveillance
WO1998041954A1 (fr) * 1997-03-19 1998-03-18 Alcea Systeme et procede de mise en surveillance de locaux
FR2761181A1 (fr) * 1997-03-19 1998-09-25 Alcea Systeme et procede de mise en surveillance de locaux
US6111502A (en) * 1997-03-19 2000-08-29 Alcea Method and device for keeping watch over premises by having differing activation times of sensors

Also Published As

Publication number Publication date
GB9425742D0 (en) 1995-02-22
NO972839D0 (no) 1997-06-19
EP0799462A2 (fr) 1997-10-08
NO972839L (no) 1997-08-19

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