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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 hydraulic transmissionSystems 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 hydraulic transmissionSystems 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 systemsAudible personal calling systems |
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G08B 3/02
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Audible signalling systemsAudible personal calling systems using only mechanical transmission |
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G08B 3/06
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Audible signalling systemsAudible personal calling systems using hydraulic transmissionAudible signalling systemsAudible personal calling systems using pneumatic transmission |
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G08B 3/10
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Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission |
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G08B 3/14
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Audible signalling systemsAudible 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 hydraulic transmissionVisible 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 hydraulic transmissionVisible 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 hydraulic transmissionVisible 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 hydraulic transmissionVisible 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 hydraulic transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 electric transmissionVisible 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 hydraulic transmissionSignalling 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 hydraulicOrder 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 hydraulicOrder 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 hydraulicOrder 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 hydraulicOrder 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 wavelengthActuation 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 alarmsAlarms 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 the presence of persons in a body of water, e.g. a swimming poolAlarms 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
|
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
|
Alarm systems in which substations are interrogated in succession by a central station |
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G08B 27/00
|
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
|
Checking or monitoring of signalling or alarm systemsPrevention or correction of operating errors, e.g. preventing unauthorised operation |
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G08B 29/02
|
Monitoring continuously signalling or alarm systems |
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G08B 29/04
|
Monitoring of the detection circuits |
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G08B 29/06
|
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
|
Checking intermittently signalling or alarm systems |
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G08B 29/14
|
Checking intermittently signalling or alarm systems checking the detection circuits |
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G08B 29/16
|
Security signalling or alarm systems, e.g. redundant systems |
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G08B 29/18
|
Prevention or correction of operating errors |
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G08B 29/20
|
Calibration, including self-calibrating arrangements |
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G08B 29/22
|
Provisions facilitating manual calibration, e.g. input or output provisions for testingHolding 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
|
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
|
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
|
Predictive alarm systems characterised by extrapolation or other computation using updated historic data |
