| IPC 6 English version | G08-G08B03100 |
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SECTION G | – PHYSICS |
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SIGNALLING (indicating or display devices per se G 09 F; transmission of pictures H 04 N) |
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SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS (signalling arrangements on vehicles B 60 Q, B 62 D 41/00; railway signalling systems or devices B 61 L; on cycles B 62 J 3/00, B 62 J 6/00; safes or strong-rooms with alarm devices E 05 G; signalling or alarm devices in mines E 21 F 17/18; lamps or shutters therefor F 21; sensitive measuring elements, see the appropriate subclasses of G 01; traffic control systems G 08 G; visual indicating means G 09; sound-producing devices G 10; radio or near-field calling systems H 04 B 5/00, H 04 B 7/00; selecting arrangements H 04 Q 7/00, H 04 Q 9/00; loudspeakers, microphones, gramohpone pick-ups or like acoustic electromechanical transducers H 04 R) |
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Notes |
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(1) | This subclass covers also means for identifying or incapacitating burglars or the like. |
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(2) | This subclass does not cover: |
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– | the mere provision of an audible or visible signalling device on measuring or switching apparatus; |
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– | alarm systems for indicating that a specific variable has exceeded, or fallen below, a predetermined value, which are covered by the relevant subclasses of class G 01 for the measurement of that variable. |
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– | alarms for specific processes or types of machines or apparatus, which are covered by the relevant subclasses for the processes, machines, or apparatus. |
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(3) | In this subclass, the following term is used with the meaning indicated: |
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– | "systems" may cover also devices peculiar thereto. |
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1/ | 00 | Systems for signalling characterised solely by the form of transmission of the signal |
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1/ | 02 | . | using only mechanical transmission |
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1/ | 04 | . | using hydraulic transmission; using pneumatic transmission |
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1/ | 06 | . . | hydraulic only |
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1/ | 08 | . | using electric transmission |
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3/ | 00 | Audible signalling systems; Audible personal calling systems (audible indication of time signals G 04 B 21/00, G 04 C 21/00) |
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3/ | 02 | . | using only mechanical transmission |
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3/ | 06 | . | using hydraulic transmission; using pneumatic transmission |
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3/ | 10 | . | using electric transmission; using electromagnetic transmission |
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3/ | 14 | . | using explosives |
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5/ | 00 | Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied (display of time signals G 04 B 19/00, G 04 C 17/00, G 04 C 19/00, G 04 G 9/00; for display of alphanumeric information G 09 F; flags, banners G 09 F) |
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5/ | 02 | . | using only mechanical transmission |
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5/ | 06 | . | using hydraulic transmission; using pneumatic transmission |
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5/ | 14 | . . | with indicator element moving about a pivot, e.g. hinged flap, rotating vane |
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5/ | 16 | . . . | with reset means necessitating a separate operation to return the indicator element |
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5/ | 18 | . . | with indicator element moving rectilinearly |
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5/ | 20 | . . . | with reset means necessitating a separate operation to return the indicator element |
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5/ | 22 | . | using electric transmission; using electromagnetic transmission |
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5/ | 24 | . . | with indicator element moving about a pivot, e.g. hinged flap, rotating vane |
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5/ | 26 | . . . | with reset means necessitating a separate operation to return the indicator element |
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5/ | 28 | . . . | with hinged flap or arm |
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5/ | 30 | . . . | with rotating or oscillating members, e.g. vanes |
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5/ | 32 | . . | with indicator element moving rectilinearly |
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5/ | 34 | . . . | with reset means necessitating a separate operation to return the indicator element |
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5/ | 36 | . . | using visible light sources |
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5/ | 38 | . . . | using flashing light |
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5/ | 40 | . | using smoke, fire, or coloured gases (sky-writing G 09 F 21/16) |
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6/ | 00 | Tactile signalling systems, e.g. personal calling systems (indication of time by feeling G 04 B 25/02; deaf-aid sets H 04 R 25/00) |
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7/ | 00 | Signalling systems according to more than one of groups G 08 B 3/00 to G 08 B 6/00 (combinations of display arrangements with audible advertising G 09 F 27/00) |
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7/ | 02 | . | using mechanical transmission |
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7/ | 04 | . | using hydraulic transmission; using pneumatic transmission |
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7/ | 06 | . | using electric transmission |
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7/ | 08 | . | using explosives |
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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 (signalling devices in mines E 21 F 17/18) |
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9/ | 02 | . | Details |
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9/ | 04 | . . | Means for recording operation of the apparatus |
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9/ | 06 | . . | Means for indicating disagreement between orders given and those carried out |
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9/ | 08 | . | mechanical |
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9/ | 10 | . . | using ratchet |
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9/ | 12 | . . | using rotary shaft |
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9/ | 14 | . | hydraulic; pneumatic |
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9/ | 16 | . . | using ratchet |
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9/ | 18 | . . | by varying displacement of the fluid |
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9/ | 20 | . . | by varying pressure of the fluid |
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13/ | 00 | Burglar, theft, or intruder alarms (vehicle theft alarms B 60 R 25/10; cycle theft alarms B 62 H 5/00) |
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13/ | 02 | . | Mechanical actuation |
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13/ | 04 | . . | by breaking of glass |
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13/ | 06 | . . | by tampering with fastening (alarm locks E 05 B 45/00; alarm devices on safes E 05 G 1/10) |
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13/ | 08 | . . | by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind |
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13/ | 10 | . . | by pressure on floors, floor coverings, stair treads, counters, or tills |
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13/ | 12 | . . | by the breaking or disturbance of stretched cords or wires |
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13/ | 14 | . . | by lifting or attempted removal of hand-portable articles |
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13/ | 16 | . | Actuation by interference with mechanical vibrations in air or other fluid |
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13/ | 18 | . | 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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13/ | 181 | . . | using active radiation detection systems [5] |
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13/ | 183 | . . . | by interruption of a radiation beam or barrier (light barriers G 01 V 8/10) [5] |
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13/ | 184 | . . . . | using radiation reflectors [5] |
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13/ | 186 | . . . . | using light guides, e.g. optical fibres [5] |
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13/ | 187 | . . . | by interference of a radiation field [5] |
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13/ | 189 | . . | using passive radiation detection systems [5] |
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13/ | 19 | . . . | using infra-red-radiation detection systems [5] |
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13/ | 191 | . . . . | using pyroelectric sensor means [5] |
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13/ | 193 | . . . . | using focusing means [5] |
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13/ | 194 | . . . | using image scanning and comparing systems [5] |
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13/ | 196 | . . . . | using television cameras [5] |
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13/ | 20 | . | Actuation by change of fluid pressure |
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13/ | 22 | . | Electrical actuation |
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13/ | 24 | . . | by interference with electromagnetic field distribution |
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13/ | 26 | . . | by proximity of an intruder causing variation in capacitance or inductance of a circuit |
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15/ | 00 | Identifying, scaring, or incapacitating burglars, thieves, or intruders, e.g. by explosives (burglar traps, or the like, on safes E 05 G 5/02) |
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15/ | 02 | . | with smoke, gas, or coloured or odorous powder or liquid |
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17/ | 00 | Fire alarms; Alarms responsive to explosion (temperature-responsive elements G 01 K) |
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17/ | 02 | . | Mechanical actuation of the alarm, e.g. by the breaking of a wire |
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17/ | 04 | . | Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure |
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17/ | 06 | . | Electric actuation of the alarm, e.g. using a thermally-operated switch (thermally-operated electric switches per se H 01 H 37/00) |
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17/ | 08 | . | Actuation involving the use of explosive means |
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17/ | 10 | . | Actuation by presence of smoke or gases |
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17/ | 103 | . . | using a light emitting and receiving device [5] |
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17/ | 107 | . . . | for detecting light-scattering due to smoke [5] |
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17/ | 11 | . . | using an ionisation chamber for detecting smoke or gas (vacuum gauges making use of ionisation effects G 01 L 21/30; gas analysis by investigating the ionisation G 01 N 27/62) [5] |
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17/ | 113 | . . . | Constructional details (discharge tubes for measuring pressure of introduced gas, or for detecting presence of gas, in general H 01 J 41/02) [5] |
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17/ | 117 | . . | by using a detection device for specific gases, e.g. combustion products, produced by the fire (G 08 B 17/103, G 08 B 17/11 take precedence; investigating or analysing gases in general G 01 N, e.g. by using electric means G 01 N 27/00) [5] |
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17/ | 12 | . | Actuation by presence of radiation or particles, e.g. of infra-red radiation, of ions |
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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 |
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19/ | 02 | . | Alarm responsive to formation or anticipated formation of ice (indicating weather conditions G 01 W 1/00) |
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21/ | 00 | Alarms responsive to a single specified undesired or abnormal operating condition and not elsewhere provided for |
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23/ | 00 | Alarms responsive to unspecified undesired or abnormal conditions |
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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 |
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25/ | 01 | . | characterised by the transmission medium [5] |
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25/ | 04 | . . | using a single signalling line, e.g. in a closed loop [5] |
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25/ | 06 | . . | using power transmission lines (systems in general for transmission of information via power distribution lines H 04 B 3/54) [5] |
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25/ | 08 | . . | using communication transmission lines (telephonic communication systems combined with alarm systems H 04 M 11/04) [5] |
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25/ | 10 | . . | using wireless transmission systems [5] |
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25/ | 12 | . | Manually actuated calamity alarm transmitting arrangements [5] |
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25/ | 14 | . | Central alarm receiver or annunciator arrangements [5] |
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26/ | 00 | Alarm systems in which substations are interrogated in succession by a central station |
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27/ | 00 | Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations |
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29/ | 00 | Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation |
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29/ | 02 | . | Monitoring continuously signalling or alarm systems [5] |
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29/ | 04 | . . | Monitoring of the detection circuits [5] |
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29/ | 06 | . . | Monitoring of the line circuits, e.g. signalling of line faults (testing or locating faults in cables or lines in general G 01 R 31/02, G 01 R 31/08) [5] |
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29/ | 08 | . . . | Signalling of tampering with the line circuit [5] |
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29/ | 10 | . . | Monitoring of the annunciator circuits [5] |
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29/ | 12 | . | Checking intermittently signalling or alarm systems [5] |
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29/ | 14 | . . | checking the detection circuits [5] |
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29/ | 16 | . | Security signalling or alarm systems, e.g. redundant systems [5] |
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29/ | 18 | . | Prevention or correction of operating errors (G 08 B 29/02, G 08 B 29/12 take precedence) [5] |
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29/ | 20 | . . | Calibration, including self-calibrating arrangements [5] |
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29/ | 22 | . . . | Provisions facilitating manual calibration, e.g. input or output provisions for testing; Holding of intermittent values to permit measurement [5] |
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29/ | 24 | . . . | Self-calibration, e.g. compensating for environmental drift or ageing of components [5] |
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29/ | 26 | . . . . | by updating and storing reference thresholds [5] |
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29/ | 28 | . . . . | by changing the gain of an amplifier [5] |
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31/ | 00 | Predictive alarm systems characterised by extrapolation or other computation using updated historic data [5] |
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