SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS

Classification Context

Section:

PHYSICS

Class:

SIGNALLING

Subclass:

SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS

Scope Notes

Glossary: system systems Covers also devices peculiar thereto | Application references: Incorporation of alarm devices in apparatus for manufacturing butter Devices for sound-producing, piercing, gas-discharging or the like, to prevent theft or loss of luggage or bags Time-controlled igniting mechanisms or alarm devices for cooking-vessels Acoustical or optical signalling devices for toy vehicles Applications of alarms in typewriters or selective printing mechanisms, e.g. responsive to approach of end of line Signalling devices actuated by tyre pressure, specially adapted for mounting on vehicles Arrangements of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general In connection with railway traffic: . visible or audible signals; local operating mechanisms for visible or audible signals operation of signals from the vehicle or by the passage of the vehicle indicators provided on the vehicle or vehicle train for signalling purposes Acoustic signal devices; Arrangement of such devices on cycles Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor Arrangements or adaptation of signalling or lighting devices for ships or other waterborne vessels Life-buoys, life-belts, jackets, suits or the like characterised by signalling means, e.g. lights Safes or strong-rooms for valuables with alarm, signal or indicator Special adaptations of signalling or alarm devices for use in mines or tunnels Applications, arrangements or dispositions of alarm or automatic safety devices in steam boilers Arrangements of alarm devices in: . shaft or like vertical or substantially vertical furnaces hearth-type furnaces or electric arc furnaces muffle furnaces, retort furnaces or other furnaces in which the charge is held completely isolated rotary-drum furnaces, i.e. horizontal or slightly inclined furnaces with both stationary charge and progression of heating tank furnaces; crucible or pot furnaces fluidized-bed furnaces or other furnaces using or treating finely-divided materials in dispersion open or uncovered sintering apparatus or other heat-treatment apparatus of like construction Arrangements of indicators or alarms, insofar as they are of a kind occurring in more than one kind of furnace Alarm pistols Apparatus for signalling hits or scores to the shooter, e.g. manually operated or for communication between target and shooter In coin-freed or like apparatus, devices for alarm or indication, e.g. when empty, except if peculiar to special kinds or types of apparatus Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with alarm or warning devices, e.g. indicating the interrupting of the supply Alarm indicators, e.g. bells, in connection with registering the receipt of cash, valuables or tokens

Related Keywords

Child Classifications

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• G08B 1/00 Systems for signalling characterised solely by the form of transmission of the signal
• G08B 13/00 Burglar, theft or intruder alarms
• G08B 15/00 Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
• G08B 17/00 Fire alarms; Alarms responsive to explosion
• G08B 19/00 Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
• G08B 21/00 Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
• G08B 23/00 Alarms responsive to unspecified undesired or abnormal conditions
• 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 26/00 Alarm systems in which substations are interrogated in succession by a central station
• G08B 27/00 Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
• G08B 29/00 Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
• G08B 3/00 Audible signalling systems, e.g. audible personal calling systems
• G08B 31/00 Predictive alarm systems characterised by extrapolation or other computation using updated historic data
• G08B 5/00 Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
• G08B 6/00 Tactile signalling systems, e.g. tactile personal calling systems
• G08B 7/00 Signalling systems according to two or more of groups
• G08B 9/00 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