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 a signaling and / or alarm monitoring system, in particular for the protection of people and property.
• Such a system generally includes a central unit, detection devices such as motion detectors, opening detectors, fire detectors and cameras, control devices such as portable remote controls and control boxes. fixed and signaling devices such as sirens and telephone transmitters.
• the object of the present invention is to propose an improvement to such systems.
• the monitoring and signaling and / or alarm system comprises at least one fixed member adapted to be installed at a determined location.
• said fixed member comprises a sensor for detecting the presence in a space surrounding it and delivering a detection signal which varies with the position of an intruder in this space.
• the system further comprises comparison means receiving said detection signal and delivering at least a first signal corresponding to the entry and / or the presence of an intruder in a first zone of said surrounding space and a second signal corresponding to the entry and / or presence of an intruder in a second zone of said surrounding space, signaling means, and control means receiving said presence signals and comprising means for selectively activating said signaling means by function of said presence signals.
• said comparison means and / or said control means and / or said signaling means can advantageously be at least partially integrated into said fixed member.
• said signaling means preferably comprise light means.
• said signaling means preferably comprise means of sound emission.
• said fixed member may advantageously comprise means for entering data and / or instructions such as a keyboard and said signaling means comprise means for lighting said means for entering data and / or of instructions.
• one of said presence signals corresponds to an area adjacent or close to said fixed member.
• said control means preferably comprise timing means acting on said signaling means and / or timing means acting on said comparison means.
• said fixed member can advantageously comprise means for detecting the ambient brightness 9 and means for inhibiting at least some of said signaling means when this brightness exceeds a determined threshold.
• the system comprises at least one complementary member and said fixed member and this complementary member include means for exchanging signals between them.
• said comparison means and / or said control means and / or said signaling means can advantageously be at least partially integrated into said complementary member.
• said means for controlling the fixed member preferably comprise means activating said exchange means for transmitting to said complementary member signals corresponding selectively to said presence signals.
• said means for controlling the member fixed preferably comprise means activating said exchange means for transmitting to said complementary member signals selectively corresponding to said control signals of said signaling means.
• said fixed member may advantageously comprise a transmitter of an interrogation signal activated under the effect of said first and / or second presence signals and the system may advantageously comprise a signal receiver expected from a remote control or a transponder activated by said interrogation signal.
• said remote control can advantageously comprise a means for receiving said interrogation signal, a warning means activated by this interrogation signal and a means for introducing the transmission order of said expected signal.
• said transponder can advantageously comprise means for receiving said interrogation signal and automatic means for transmitting said expected signal activated by this interrogation signal.
• FIG. 1 shows, sc ematically, different organs of a signaling and alarm system according to the invention
• FIG. 1 shows, schematically, an electronic structure of a fixed member of the above system.
• the signaling and alarm system 1 represented comprises, in a general and nonlimiting manner, an electronic central unit 2, detection devices 3 such as motion detectors with infrared, opening detectors and fire detectors, control devices such as a remote control 4 and a fixed remote control member 5 adapted to control the central unit 2, as well as signaling devices 6 such as a siren and a telephone transmitter.
• detection devices 3 such as motion detectors with infrared, opening detectors and fire detectors
• control devices such as a remote control 4 and a fixed remote control member 5 adapted to control the central unit 2
• signaling devices 6 such as a siren and a telephone transmitter.
• the above organs of the alarm system 1 communicate with each other, in the example described, by radio and include for this purpose antennas 2a-6a.
• the central unit 2 is structured and programmed to operate preferably in several modes which are selected by a user using the remote control 4 or the fixed control member 5. According to a general mode of operation, when the devices detection 3 transmit signals corresponding to a particular situation to the central unit 2, the latter manages these signals and possibly transmits alarm signals to the signaling devices 6.
• the fixed remote control member 5 comprises a box 7 which is fixed against the external facade of a wall 8, for example near the entrance door of the room to be monitored or protected.
• this fixed member 5 comprises a keyboard 9, a sensor or a cell 10, in particular infrared, for detecting the presence and / or movement of an intruder in the space outside the local and surrounding box 7, a speaker
• a photoelectric cell 12 for detecting the ambient brightness and a lighting means 13 such as a diode array, placed so as to illuminate the keyboard 9.
• the fixed member 5 comprises an electronic circuit 14, shown in FIG. 2, adapted to manage, by means of a microcontroller 15, the data and orders entered by the keyboard
• the signals from the presence detection sensor 10 the signals from the brightness sensor 12 in order to activate, selectively and in accordance with programs, the loudspeaker 11, the lighting means 13 and a transmitter / receiver 16 connected to the antenna 5a.
• the detection signal from the presence detection sensor is the detection signal from the presence detection sensor
• the microcontroller 15 is programmed so as to fix at its output 21 a first threshold value such that, if an intruder enters a first zone of said space, extending up to a distance dl from the detection sensor 10, the signal from the presence sensor 10 crosses this first threshold value and the output of the comparator 18 connected to the input 23 of the microcontroller 15 changes state and maintains this state as long as the intruder remains in this zone dl.
• the microcontroller 15 is also programmed so as to fix at its output 22 a second threshold value such that, if an intruder enters a second zone of said space, extending up to a distance d2 from the detection sensor 10 plus shorter than the distance dl, the signal from the presence sensor 10 crosses this second threshold value and the output of the comparator 19 connected to the input 23 of the microcontroller 15 changes state and maintains this state as long as the intruder remains in this area d2.
• the distance dl can be a few meters and the distance d2 a few tens of centimeters.
• the signal from the brightness sensor 12 is sent, by a line 25, to an input of an electronic comparator 26, the other input of which is connected to a threshold fixing output 27 of the microcontroller 15 and the output of which is connected to an input 28 of this microcontroller 15.
• the microcontroller 15 is programmed so as to deliver at its output 27 a threshold value such that, if the ambient brightness exceeds a determined value, the signal from the brightness detector 12 crosses this threshold value and the output of the comparator 26 changes state and maintains this state as long as this threshold is crossed.
• the micro-controller 15 has an input 29 which is connected to the keyboard 9 by a line 30 and is programmed so as to manage the data and orders entered by a user on this keyboard.
• An output 31 of the microcontroller 15 is connected by means lighting 13 via a timing circuit 32.
• the micro-controller 15 has an output 33 which is connected to the loudspeaker 11 via a sound generator circuit or a voice synthesizer 34.
• the micro-controller 15 has an output 35 which is connected to the transmitter / receiver 16. It delivers to the latter the signals to be transmitted to the central unit 2 and is capable of managing the signals that this transmitter / receiver 16 receives.
• the system 1 can be programmed according to a so-called "standby" operating mode, according to which the microcontroller 15 of the fixed member 5 scans its input 23 and its input 28.
• the input 23 changes state via the comparator 18. If in addition the input 28 is in a state such that the ambient brightness is greater than the value of Threshold of comparator 26, nothing happens. If on the contrary the input 28 is in a state such that the ambient luminosity is lower than the threshold value of the comparator 26, the output 31 of the microcontroller 15 activates the timing circuit 32. The latter then causes the ignition of the lighting means 13 of the keyboard 9 for a determined period, for example for thirty seconds.
• system 1 can be programmed according to a so-called “monitoring” operating mode, according to which the microcontroller
• this input 24 changes state via the comparator 19.
• the microcontroller 15 then activates the circuit 34 by its output 33.
• This circuit 34 sends to the loudspeaker 15 an audible message to warn the intruder that he has just entered a monitored area.
• the microcontroller 15 can trigger an internal delay time, for example of one minute, such that if the intruder is still in the zone dl at the end of this internal delay time, the microcontroller 15 again activates the circuit 34 via its output 33 so as to deliver to the intruder through the speaker 11 a new message.
• an internal delay time for example of one minute
• the microcontroller 15 can activate the transmitter / receiver 16 via its output 35 so as to transmit to the central unit 2 a presence signal in the zone dl being monitored.
• the central unit 2 can then selectively activate the signaling devices 6 in accordance with its program.
• the intruder is in fact an authorized person.
• the intruder detected in the zone d1 by the input 24 is also detected in the zone d2 by the input 23 but does not introduce via the keyboard 9 a code expected by the system 1, at the end of the abovementioned internal time delay of the microcontroller 15, the latter activates its output 33 so as to deliver a message by the loudspeaker sound programmed in the circuit 34 and also activates its output 35 so as to transmit the corresponding information to the central unit 2.
• the latter can then selectively activate the signaling devices in accordance with its program.
• the program of the microcontroller 15 makes it possible to selectively generate, in addition to the possible lighting of the lighting means 13, control orders which are related to the position of an intruder in the space surrounding the fixed member 5, consisting of zone dl and in zone d2.
• control orders which are related to the position of an intruder in the space surrounding the fixed member 5, consisting of zone dl and in zone d2.
• the operating modes of the alarm system 1 which have just been described, mainly in connection with its capacity to detect intrusions into two frontal zones dl and d2 of its fixed member 5 are not limiting.
• the central unit 2 which would manage the effects of these presence signals by selectively controlling, in accordance with one or more programs, means 36 for light or sound signaling, external to the fixed member 5 and placed in height above the fixed member 5 as shown in FIG. 1, these signaling means also being connected to the central unit by radio means thanks to an antenna 36a.
• the lighting of such light means in particular a light bulb for the space surrounding the fixed member 5, could also be subjected to ambient light depending on the state of the input 28 of the microcontroller 15 also transmitted to the central unit by the transmitter / receiver 16.
• the system 1 could further comprise a camera and / or a microphone possibly integrated into the fixed member 5 and whose signals would be selectively managed, as in the previous examples , by the central unit 2 or by an additional video or audio unit as a function of the presence signals in the zones dl and d2 respectively.
• the keyboard 9 of the fixed member 5 could be eliminated and replaced by a transmitter and a receiver, for example of radioelectric signals.
• this transmitter could send an interrogation signal activated under the effect of said first and / or second presence signals and this receiver could wait for a particular signal coming in particular from a remote control or a transponder.
• This remote control could include a receiver of said interrogation signal, a warning means such as an audible signal, activated by this interrogation signal, and a means of introducing the order of transmission of said expected signal such as a button.
• the audible signal of this remote control is activated, and this carrier is warned that he must press the button on the remote control to send the expected signal to the receiver of the fixed member 5, or, as a variant, towards the receiver of the central unit 2.
• the aforementioned transponder could comprise a receiver of said interrogation signal and an automatic means of transmission of said expected signal activated by this interrogation signal.
• zone dl or zone d2 when the carrier of this transponder enters zone dl or zone d2, the latter could immediately and automatically transmit the aforementioned expected signal to the receiver of the fixed member 5, or, in a variant, to the receiver of the central 2.
• the fixed member 5 or the central unit 2 could take this expected signal into account as described previously with regard to the data and instructions introduced by the keyboard 9.
• the present invention is not limited not to the examples described above. Many alternative embodiments are possible without departing from the scope defined by the appended claims.

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

Applications Claiming Priority (3)

Publications (1)

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• 1999
  • 1999-06-21 FR FR9907850A patent/FR2795212B1/fr not_active Expired - Fee Related
• 2000
  • 2000-06-02 EP EP00938882A patent/EP1196906A1/de not_active Withdrawn
  • 2000-06-02 AU AU54115/00A patent/AU5411500A/en not_active Abandoned
  • 2000-06-02 WO PCT/FR2000/001529 patent/WO2000079498A1/fr not_active Application Discontinuation

Non-Patent Citations (1)

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