A smoke generator for anti-burglar purposes includes a canister holding means for holding a canister for chemicals to be used to generate smoke wherein the smoke generator further includes a smoke deflector arranged below the position of the canister for even distribution of generated smoke, and wherein the smoke deflector have a smoke deflector cavity of sector shape. The smoke generator is provided with a cartridge for the canister to ease replacement of used or expired canister. The smoke deflector is provided with a residual collector to prevent residuals and debris from littering the room where the smoke generator is used.
B05B 1/26 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
G08B 15/02 - Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid
F41H 9/08 - Smoke-pots without propulsive charge, i.e. stationary
A smoke generator and driver circuit (46) for controlling and powering a smoke generating canister (38), said driver circuit (46) comprising a power output connected to said smoke generating canister (38) for activation thereof. It comprises a charging unit (50) providing after a charging process sufficient power for igniting and driving said smoke generating canister (38), a switching unit (52) connected to said charging unit (50) and to a first pole (56) of said smoke generating canister (38) for releasing power from said charging unit (50) to said smoke generating canister (38), and a connecting unit (54) connected to a second pole (58) of said smoke generating canister (38) for allowing power to flow through said smoke generating canister (38), wherein activation of both said connecting unit (54) and said switching unit (52) during an overlapping time period is required for activation of said smoke generating canister (38). A method comprises applying a charging signal a charging input of the driver circuit (46), applying a control signal to a connect input of said driver circuit (46), and applying a trigger signal at a trigger input of switching unit (52).
G08B 15/02 - Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid
F41H 9/06 - Apparatus for generating artificial fog or smoke screens
A smoke generator for anti-burglar purposes comprising canister holding means for holding a canister for chemicals to be used to generate smoke wherein the smoke generator further comprises a smoke deflector arranged below the position of the canister for even distribution of generated smoke, and wherein the smoke deflector have a smoke deflector cavity of sector shape. The smoke generator is provided with a cartridge for the canister to ease replacement of used or expired canister. The smoke deflector is provided with a residual collector to prevent residuals and debris from littering the room where the smoke generator is used.
B05B 1/26 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
G08B 15/02 - Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid
F41H 9/08 - Smoke-pots without propulsive charge, i.e. stationary
A smoke generator for anti-burglar purposes comprising canister holding means for holding a canister for chemicals to be used to generate smoke wherein the smoke generator further comprises a smoke deflector arranged below the position of the canister for even distribution of generated smoke, and wherein the smoke deflector have a smoke deflector cavity of sector shape. The smoke generator is provided with a cartridge for the canister to ease replacement of used or expired canister. The smoke deflector is provided with a residual collector to prevent residuals and debris from littering the room where the smoke generator is used.
B05B 1/26 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
G08B 15/02 - Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid
F41H 9/08 - Smoke-pots without propulsive charge, i.e. stationary
Jamming detection device (7) and method, which scan one or more frequency bands (201, 401, 402) and, if jamming is detected in said frequency bands (201, 401, 402), transmits an alarm signal through an ultra narrow band network (8). Preferably, both an ISM network (2) connecting a control panel (3) and at least one peripheral (1), and a GSM network (4) connecting the control panel (3) and a back end service (5), are scanned. Also preferably, the ultra narrow band network (8) is implemented over the same frequency band (801) as the ISM network (2) connecting the control panel (3) and the least one peripheral (1).
G08B 13/04 - Mechanical actuation by breaking of glass
G08B 25/10 - 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
G08B 26/00 - Alarm systems in which substations are interrogated in succession by a central station
G08B 29/08 - Signalling of tampering with the line circuit
G08B 29/12 - Checking intermittently signalling or alarm systems
13.
Method for synchronizing state information of a home wireless system
A method of synchronizing state information of a home wireless system wherein the home wireless system comprises a plurality of peripheral wireless nodes (14; 16; 19; 21; 23) and a first gateway (12) having wireless communication means for communicating with and controlling associated peripheral wireless nodes, the method comprising the steps installing at least one second gateway (26) in said home wireless system, assigning peripheral wireless nodes to said first gateway (12) or anyone of said at least one second gateway (12′), and each gateway directing each assigned peripheral wireless node to communicate with an assigned gateway, receiving in a first gateway system state affecting input message from an associated peripheral wireless node, determining in said first gateway a resulting system state based on said input, and communicating said resulting system state as a state change message from said first gateway to said at least one second gateway.
A method of supervising intruder alarm systems, each alarm system comprising a plurality of alarm sensors and at least one gateway communicating with a remote alarm receiving center. The method includes the steps: a) receiving in a first intruder alarm system radio signals transmitted from a second intruder alarm system, b) transmitting from said first intruder alarm system information relating to the received radio signals to said remote alarm receiving center, c) analysing in said remote alarm receiving center information received from intruder alarm systems to identify at least one first intruder alarm system and at least one second intruder alarm system capable of exchanging information via radio signals, d) transmitting from said remote alarm receiving center control signals to said first intruder alarm system and to said second intruder alarm system to operate as a supervising system by monitoring radio signals from the other intruder alarm system operating as a supervised system, e) observing in either one of said first intruder alarm system and said second intruder alarm system absence of the monitored radio signals, and f) transmitting from a supervising alarm system an alarm signal when absence of said monitored signals is detected.
G08B 13/24 - Electrical actuation by interference with electromagnetic field distribution
G08B 25/00 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
G08B 25/10 - 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
G08B 29/16 - Security signalling or alarm systems, e.g. redundant systems
15.
Methods and a device for supervising a home wireless system
A method and a device for supervising a home wireless system wherein the home wireless system comprises a plurality of peripheral wireless nodes (14; 16; 19; 21; 23), a first gateway (12) having wireless communication means for communicating with and controlling associated peripheral wireless nodes. Other steps are installing at least one second gateway (12′; 32), each of said peripheral wireless nodes (14; 16; 19; 21; 23) being assigned to one of said first gateway (12) and said at least one second gateway (12′; 32), maintaining a supervision timer for each assigned peripheral wireless node (14; 16; 19; 21; 23), transmitting from each of said peripheral wireless nodes (14; 16; 19; 21; 23) a periodic status message, resetting in the gateway said supervision timer when receiving a periodic status message from an assigned peripheral wireless node (14; 16; 19; 21; 23), and reporting from a first gateway to said at least one second gateway an assigned peripheral wireless node (14; 16; 19; 21; 23) as failed when no periodic status message has been received within a predefined time period. The device also comprises at least on remote central monitoring station (22) and timing means in said gateways and said nodes.
A method and a system of controlling a home wireless system wherein the home wireless system comprises a plurality of peripheral wireless nodes (14; 16; 19; 21; 23) and a first gateway (12) having wireless communication means for communicating with. The method includes installing at least one second gateway (12′; 32) in the home wireless system, broadcasting an identification message from a peripheral wireless node (14; 16; 19; 21; 23) searching for a controlling gateway in a link establishment process, and receiving in each of the first gateway (12) and the at least one second gateway (12′) the identification message. Further steps are determining a delay in each of the gateways, sending after the delay from the gateway a request message, and completing the link establishment process by responding in the peripheral wireless node (14; 16; 19; 21; 23) to the request message received from the gateway responding after the shortest delay, the peripheral wireless node (14; 16; 19; 21; 23) then being bound to the gateway responding after the shortest delay. Each gateway of the system comprises wireless communication means (40) for communicating with wireless peripheral nodes and a central unit (44) arranged to apply the delay.
A method of handling inconsistencies in a home wireless system wherein the home wireless system comprises a plurality of peripheral wireless nodes (14; 16; 19; 21; 23), a first gateway (12) having wireless communication means for communicating with and controlling associated peripheral wireless nodes, at least one second gateway (12′; 32), and a Remote Central Monitoring Station, RCMS. The method comprises generating in said RCMS an updated home wireless system configuration characteristic on the basis of the number of and characteristics of peripheral wireless nodes in said home wireless system, transmitting from said RCMS said updated home wireless system configuration characteristic to and storing said home wireless system configuration characteristic in said first gateway (12), repeatedly forwarding said updated home wireless system configuration characteristic from said first gateway (12) to said at least one second gateway (12′; 32), and comparing said updated home wireless system configuration characteristic with a previously stored home wireless system configuration characteristic.
A home wireless system and a method of controlling it wherein the home wireless system comprises a plurality of wireless peripheral nodes and a first gateway having a wireless communication means for communicating with and controlling wireless peripheral nodes. The method comprises: a) installing at least one second gateway in said home wireless system, b) binding wireless peripheral nodes to said first gateway or anyone of said at least second gateway,c) each wireless peripheral node repeatedly sending messages to the bound gateway, d) said bound gateway sending an acknowledge message as a response to the message received from the wireless peripheral node, e) each wireless peripheral node initiating a searching process for an available gateway among said first and said at least one second gateway if not receiving an acknowledge message from the bound gateway, said searching process including a link establishment process, and f) proceeding said link establishment process in a responding gateway by binding said searching wireless peripheral node to communicate with the responding gateway. The at least one second gateway is provided with wireless communication means for communicating with and controlling wireless peripheral nodes.
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