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G08B 1/00
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Systems for signalling characterised solely by the form of transmission of the signal |
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G08B 1/02
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Systems for signalling characterised solely by the form of transmission of the signal using only mechanical transmission |
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G08B 1/04
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Systems for signalling characterised solely by the form of transmission of the signal using pneumatic transmission |
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G08B 1/06
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Systems for signalling characterised solely by the form of transmission of the signal using pneumatic transmission hydraulic only |
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G08B 1/08
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Systems for signalling characterised solely by the form of transmission of the signal using electric transmission |
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G08B 3/00
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Audible signalling systems; Audible personal calling systems |
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G08B 3/02
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Audible signalling systems; Audible personal calling systems using only mechanical transmission |
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G08B 3/06
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Audible signalling systems; Audible personal calling systems using pneumatic transmission |
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G08B 3/10
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Audible signalling systems; Audible personal calling systems using electromagnetic transmission |
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G08B 3/14
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Audible signalling systems; Audible personal calling systems using explosives |
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G08B 5/00
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied |
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G08B 5/02
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using only mechanical transmission |
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G08B 5/06
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using pneumatic transmission |
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G08B 5/14
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using pneumatic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane |
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G08B 5/16
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using pneumatic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with reset means necessitating a separate operation to return the indicator element |
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G08B 5/18
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using pneumatic transmission with indicator element moving rectilinearly |
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G08B 5/20
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using pneumatic transmission with indicator element moving rectilinearly with reset means necessitating a separate operation to return the indicator element |
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G08B 5/22
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission |
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G08B 5/24
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane |
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G08B 5/26
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with reset means necessitating a separate operation to return the indicator element |
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G08B 5/28
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with hinged flap or arm |
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G08B 5/30
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with rotating or oscillating members, e.g. vanes |
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G08B 5/32
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission with indicator element moving rectilinearly |
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G08B 5/34
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission with indicator element moving rectilinearly with reset means necessitating a separate operation to return the indicator element |
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G08B 5/36
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources |
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G08B 5/38
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources using flashing light |
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G08B 5/40
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Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using smoke, fire or coloured gases |
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G08B 6/00
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Tactile signalling systems, e.g. personal calling systems |
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G08B 7/00
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Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups |
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G08B 7/02
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Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using mechanical transmission |
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G08B 7/04
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Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using pneumatic transmission |
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G08B 7/06
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Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using electric transmission |
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G08B 7/08
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Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using explosives |
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G08B 9/00
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships |
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G08B 9/02
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships - Details |
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G08B 9/04
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Means for recording operation of the apparatus |
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G08B 9/06
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Means for indicating disagreement between orders given and those carried out |
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G08B 9/08
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships mechanical |
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G08B 9/10
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships mechanical using ratchet |
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G08B 9/12
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships mechanical using rotary shaft |
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G08B 9/14
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships pneumatic |
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G08B 9/16
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships pneumatic using ratchet |
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G08B 9/18
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships pneumatic by varying displacement of the fluid |
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G08B 9/20
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Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships pneumatic by varying pressure of the fluid |
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G08B 13/00
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Burglar, theft or intruder alarms |
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G08B 13/02
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Mechanical actuation |
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G08B 13/04
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Mechanical actuation by breaking of glass |
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G08B 13/06
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Mechanical actuation by tampering with fastening |
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G08B 13/08
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Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind |
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G08B 13/10
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Mechanical actuation by pressure on floors, floor coverings, stair treads, counters, or tills |
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G08B 13/12
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Mechanical actuation by the breaking or disturbance of stretched cords or wires |
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G08B 13/14
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Mechanical actuation by lifting or attempted removal of hand-portable articles |
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G08B 13/16
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Actuation by interference with mechanical vibrations in air or other fluid |
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G08B 13/18
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength |
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G08B 13/19
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems |
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G08B 13/20
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Actuation by change of fluid pressure |
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G08B 13/22
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Electrical actuation |
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G08B 13/24
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Electrical actuation by interference with electromagnetic field distribution |
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G08B 13/26
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Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit |
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G08B 13/181
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems |
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G08B 13/183
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier |
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G08B 13/184
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors |
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G08B 13/186
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres |
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G08B 13/187
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interference of a radiation field |
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G08B 13/189
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems |
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G08B 13/191
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using pyroelectric sensor means |
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G08B 13/193
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means |
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G08B 13/194
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems |
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G08B 13/196
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Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras |
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G08B 15/00
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Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives |
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G08B 15/02
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Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid |
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G08B 17/00
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Fire alarms; Alarms responsive to explosion |
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G08B 17/02
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Mechanical actuation of the alarm, e.g. by the breaking of a wire |
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G08B 17/04
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Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure |
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G08B 17/06
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Electric actuation of the alarm, e.g. using a thermally-operated switch |
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G08B 17/08
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Actuation involving the use of explosive means |
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G08B 17/10
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Actuation by presence of smoke or gases |
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G08B 17/11
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Actuation by presence of smoke or gases using an ionisation chamber for detecting smoke or gas |
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G08B 17/12
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Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions |
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G08B 17/103
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Actuation by presence of smoke or gases using a light emitting and receiving device |
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G08B 17/107
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Actuation by presence of smoke or gases using a light emitting and receiving device for detecting light-scattering due to smoke |
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G08B 17/113
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Constructional details |
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G08B 17/117
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Actuation by presence of smoke or gases by using a detection device for specific gases, e.g. combustion products, produced by the fire |
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G08B 19/00
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Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow |
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G08B 19/02
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Alarm responsive to formation or anticipated formation of ice |
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G08B 21/00
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Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for |
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G08B 21/02
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Alarms for ensuring the safety of persons |
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G08B 21/04
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Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons |
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G08B 21/06
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Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms |
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G08B 21/08
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Alarms for ensuring the safety of persons responsive to an abnormal condition of a body of water |
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G08B 21/10
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Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes |
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G08B 21/12
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Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms |
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G08B 21/14
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Toxic gas alarms |
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G08B 21/16
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Combustible gas alarms |
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G08B 21/18
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Status alarms |
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G08B 21/20
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Status alarms responsive to moisture |
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G08B 21/22
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Status alarms responsive to presence or absence of persons |
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G08B 21/24
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Reminder alarms, e.g. anti-loss alarms |
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G08B 23/00
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Alarms responsive to unspecified undesired or abnormal conditions |
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G08B 25/00
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Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems |
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G08B 25/01
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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 |
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G08B 25/04
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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 a single signalling line, e.g. in a closed loop |
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G08B 25/06
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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 power transmission lines |
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G08B 25/08
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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 communication transmission lines |
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G08B 25/10
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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 |
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G08B 25/12
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Manually actuated calamity alarm transmitting arrangements |
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G08B 25/14
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Central alarm receiver or annunciator arrangements |
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G08B 26/00
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Alarm systems in which substations are interrogated in succession by a central station |
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G08B 27/00
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Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations |
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G08B 29/00
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Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation |
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G08B 29/02
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Monitoring continuously signalling or alarm systems |
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G08B 29/04
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Monitoring of the detection circuits |
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G08B 29/06
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Monitoring of the line circuits, e.g. signalling of line faults |
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G08B 29/08
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Signalling of tampering with the line circuit |
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G08B 29/10
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Monitoring of the annunciator circuits |
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G08B 29/12
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Checking intermittently signalling or alarm systems |
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G08B 29/14
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Checking intermittently signalling or alarm systems checking the detection circuits |
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G08B 29/16
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Security signalling or alarm systems, e.g. redundant systems |
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G08B 29/18
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Prevention or correction of operating errors |
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G08B 29/20
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Calibration, including self-calibrating arrangements |
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G08B 29/22
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Provisions facilitating manual calibration, e.g. input or output provisions for testing; Holding of intermittent values to permit measurement |
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G08B 29/24
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Self-calibration, e.g. compensating for environmental drift or ageing of components |
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G08B 29/26
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Self-calibration, e.g. compensating for environmental drift or ageing of components by updating and storing reference thresholds |
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G08B 29/28
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Self-calibration, e.g. compensating for environmental drift or ageing of components by changing the gain of an amplifier |
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G08B 31/00
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Predictive alarm systems characterised by extrapolation or other computation using updated historic data |
