G08B   1/00		֤ΤߤħȤ뿮	Systems for signalling characterised solely by the form of transmission of the signal	1577
G08B   1/02		ŪʤΤߤѤ	using only mechanical transmission	106
G08B   1/04		հʤѤΡʤѤ	using hydraulic transmission; using pneumatic transmission	96
G08B   1/06		հ	hydraulic only	26
G08B   1/08		ŵŪʤѤ	using electric transmission	7383
G08B   3/00		İ֡㡥İĿ͸ƽФ֡Σ	Audible signalling systems, e.g. audible personal calling systems	2537
G08B   3/02		ŪʤΤߤѤ	using only mechanical transmission	923
G08B   3/06		հʤѤΡʤѤ	using hydraulic transmission; using pneumatic transmission	640
G08B   3/10		ŵŪʤѤΡżŪʤѤ	using electric transmission; using electromagnetic transmission	31002
G08B   3/14		Ѥ	using explosives	107
G08B   5/00		Ļ뿮֡㡥ĻĿ͸ƽФ֡ޤϺ֤ͭαɽΣ	Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied	10083
G08B   5/02		ŪʤΤߤѤ	using only mechanical transmission	639
G08B   5/06		հʤѤΡʤѤ	using hydraulic transmission; using pneumatic transmission	86
G08B   5/14		μ˰ưɽǡ㡥ĳ֤ǻߤ줿ĤޤϲžġĤ	with indicator element moving about a pivot, e.g. hinged flap or rotating vane	57
G08B   5/16		ɽǤ뤿ΩưɬפȤꥻåȼʤĤ	with reset means necessitating a separate operation to return the indicator element	6
G08B   5/18		ľŪ˰ưɽǤĤ	with indicator element moving rectilinearly	41
G08B   5/20		ɽǤ뤿ΩưɬפȤꥻåȼʤĤ	with reset means necessitating a separate operation to return the indicator element	5
G08B   5/22		ŵŪʤѤΡżŪʤѤ	using electric transmission; using electromagnetic transmission	7891
G08B   5/24		μ˰ưɽǡ㡥ĳ֤ǻߤ줿ĤޤϲžġĤ	with indicator element moving about a pivot, e.g. hinged flap or rotating vane	396
G08B   5/26		ɽǤ뤿ΩưɬפȤꥻåȼʤĤ	with reset means necessitating a separate operation to return the indicator element	36
G08B   5/28		ĳ֤ǻߤ줿Ĥޤڤͭ	with hinged flap or arm	190
G08B   5/30		žޤϿưࡤ㡥ġͭ	with rotating or oscillating members, e.g. vanes	213
G08B   5/32		ľŪ˰ưɽǤĤ	with indicator element moving rectilinearly	121
G08B   5/34		ɽǤ뤿ΩưɬפȤꥻåȼʤĤ	with reset means necessitating a separate operation to return the indicator element	18
G08B   5/36		ĻѤ	using visible light sources	22350
G08B   5/38		Ѥ	using flashing light	5467
G08B   5/40		졤Фޤ忧Ѥ	using smoke, fire or coloured gases	678
G08B   6/00		Ŀ֡㡥ĿĿ͸ƽФ֡Σ	Tactile signalling systems, e.g. tactile personal calling systems	3927
G08B   7/00		롼ףǣ£ǣ£ΤΣİʾ˽ä֡Σ	Signalling systems according to two or more of groups <b>G08B3/00 to G08B6/00</b> 	2481
G08B   7/02		ŪʤѤ	using mechanical transmission	179
G08B   7/04		հʤѤΡʤѤ	using hydraulic transmission; using pneumatic transmission	64
G08B   7/06		ŵŪʤѤ	using electric transmission	37045
G08B   7/08		Ѥ	using explosives	44
G08B   9/00		ȯ֡ʤѼԤȽǤǡƤΤͭ¿λΤΣĤã뤿μʡ㡥Υ֥å饨󥸥󼼤ؤλ	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	590
G08B   9/02			Details	49
G08B   9/04		֤ưϿ뤿	Means for recording operation of the apparatus	57
G08B   9/06		줿ȿԤ줿ưδ֤԰פɽ뤿μ	Means for indicating disagreement between orders given and those carried out	65
G08B   9/08		Ūʤ	mechanical	47
G08B   9/10		åȤѤ	using ratchet	1
G08B   9/12		žѤ	using rotary shaft	3
G08B   9/14		հΤΡΤ	hydraulic; pneumatic	12
G08B   9/16		åȤѤ	using ratchet	
G08B   9/18		ήΤβ̤Ѳ뤳Ȥˤ	by varying displacement of the fluid	2
G08B   9/20		ήΰѲ뤳Ȥˤ	by varying pressure of the fluid	8
G08B  13/00		ťޤԤФ	Burglar, theft or intruder alarms	12415
G08B  13/02		Ūư	Mechanical actuation	5972
G08B  13/04		饹˲ˤ	by breaking of glass	1284
G08B  13/06		ܾ֤Фʰˤ	by tampering with fastening	1652
G08B  13/08		⡤롤Фåƥ󡤥֥饤ɤʤɤγˤ	by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind	8575
G08B  13/10		СƧġ󥿡ޤ϶ʤɤ˲ä볰Ϥˤ	by pressure on floors, floor coverings, stair treads, counters, or tills	1430
G08B  13/12		ĥäǤޤϾ㳲ˤ	by the breaking or disturbance of stretched cords or wires	5486
G08B  13/14		ǻӲǽʪʤ夲ޤϰư뤳Ȥˤ	by lifting or attempted removal of hand-portable articles	12663
G08B  13/16		ޤ¾ήʪŪưȤδĤˤäư	Actuation by interference with mechanical vibrations in air or other fluid	3767
G08B  13/18		ǮޤûĹռȤδĤˤäƺưΡǮޤûĹռؤοˤäư	Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength	4431
G08B  13/181		ǽưռ֤ѤΡΣ	using active radiation detection systems	2069
G08B  13/183		ռμǤޤϾɤˤΡΣ	by interruption of a radiation beam or barrier	2514
G08B  13/184		ռȿʹѤΡΣ	using radiation reflectors	590
G08B  13/186		饤ȥɤѤΡ㡥եСΣ	using light guides, e.g. optical fibres	734
G08B  13/187		ռΰδĤѤΡΣ	by interference of a radiation field	390
G08B  13/189		ưռ֤ѤΡΣ	using passive radiation detection systems	936
G08B  13/19		ֳ֤ѤΡΣ	using infrared-radiation detection systems	5221
G08B  13/191		ŷμʤѤΡΣ	using pyroelectric sensor means	1923
G08B  13/193		ĴʤѤΡΣ	using focusing means	655
G08B  13/194		֤ѤΡΣ	using image scanning and comparing systems	1341
G08B  13/196		ƥӥ󥫥ѤΡΣ	using television cameras	17788
G08B  13/20		ήΰѲˤư	Actuation by change of fluid pressure	408
G08B  13/22		ŵŪư	Electrical actuation	7509
G08B  13/24		żʬۤ˸뤳Ȥˤư	by interference with electromagnetic field distribution	8692
G08B  13/26		ԤܶˤäϩΥѥ󥹤ޤϥ󥹤ѲѤ	by proximity of an intruder causing variation in capacitance or inductance of a circuit	1314
G08B  15/00		ťޤԤΤΡҳŤΤޤϤι԰٤ǤʤΡ㡥ʤɤˤ	Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives	6314
G08B  15/02		졤ޤ忧뤤ϤˤΤĤʴޤϱΤѤ	with smoke, gas, or coloured or odorous powder or liquid	1521
G08B  17/00		кҷȯ˱	Fire alarms; Alarms responsive to explosion	24950
G08B  17/02		򵡳ŪưΡ㡥Ǥ뤳Ȥˤ	Mechanical actuation of the alarm, e.g. by the breaking of a wire	868
G08B  17/04		հޤ϶ǤäưΡ㡥ήΰѲˤ	Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure	984
G08B  17/06		ŵŪưΡ㡥ǮưĴѤ	Electric actuation of the alarm, e.g. using a thermally-operated switch	16599
G08B  17/08		ȯŪʤλѤȼäư	Actuation involving the use of explosive means	247
G08B  17/10		ޤϥ¸ߤˤäư	Actuation by presence of smoke or gases	28166
G08B  17/103		ȯ֤ѤΡΣ	using a light emitting and receiving device	2342
G08B  17/107		ˤλ򸡽Ф뤿ΤΡΣ	for detecting light-scattering due to smoke	3186
G08B  17/11		ޤϥ򸡽Ф뤿ΥȢѤΡΣ	using an ionisation chamber for detecting smoke or gas	912
G08B  17/113		¤Σ	Constructional details	1127
G08B  17/117		кҤˤΥ㡥ǳʪθ֤ѤΡʣǣ£ǣ£ͥˡΣ	by using a detection device for specific gases, e.g. combustion products, produced by the fire(<b>G08B17/103</b>, <b>G08B17/11</b> take precedence)	1616
G08B  17/12		ռޤγҡ㡥ֳޤϥ¸ߤˤäư	Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions	10770
G08B  19/00		İʾΰۤʤ빥ޤʤޤϰ۾ʾ֡㡥Ȳкҡ۾ﲹ٤ή̤ΰ۾Ѳ˱	Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow	11771
G08B  19/02		ɹηޤͽۤɹη˱	Alarm responsive to formation or anticipated formation of ice	655
G08B  21/00		ñꤵ줿ޤʤޤϰ۾ʾ֤˱Ǥäơ¾ʬवʤ	Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for	34914
G08B  21/02		ͤΰǧΤηΣ	Alarms for ensuring the safety of persons	35450
G08B  21/04		ư̵ȤˤΡ㡥Ϸ͡ʣǣ£ͥˡΣ	responsive to non-activity, e.g. of elderly persons(<b>G08B21/06</b> takes precedence)	11238
G08B  21/06		̲֤򼨤Ρ㡥̲ФΣ	indicating a condition of sleep, e.g. anti-dozing alarms	5220
G08B  21/08		ˤͤ¸ߤˤΡ㡥ߥ󥰥ס롨ӡʤɤΰ۾֤ΤΡΣ	responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water	2962
G08B  21/10		ҳȯˤΡ㡥εޤϿ̡Σ	responsive to calamitous events, e.g. tornados or earthquakes	13666
G08B  21/12		ʪ˾ޤʤȻˤΡ㡥Σ	responsive to undesired emission of substances, e.g. pollution alarms	5427
G08B  21/14		ͭǥʣǣ£ͥˡΣ	Toxic gas alarms(<b>G08B21/16</b> takes precedence)	3971
G08B  21/16		ǳΣ	Combustible gas alarms	11273
G08B  21/18		ַʣǣ£ͥˡΣ	Status alarms(<b>G08B21/02</b> takes precedence)	53377
G08B  21/20		ˤΡΣ	responsive to moisture	3683
G08B  21/22		ͤκԺߤˤΡΣ	responsive to presence or absence of persons	4500
G08B  21/24		մ㡥伺շʳ伺ɻ֤⤷ϤहΣãˡΣ	Reminder alarms, e.g. anti-loss alarms	43541
G08B  23/00		ιޤʤޤϰ۾֤˱	Alarms responsive to unspecified undesired or abnormal conditions	21749
G08B  25/00		֤νߤɤ󤹤󥷥ƥࡤ㡥кҤޤϷٻ̿ƥ	Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems	29451
G08B  25/01		ãΤˤäħŤΡΣ	characterised by the transmission medium	7758
G08B  25/04		ѤοѤΡ㡥ĥ롼׾ΤΡΣ	using a single signalling line, e.g. in a closed loop	14895
G08B  25/06		ѤΡΣ	using power transmission lines	588
G08B  25/08		̿ѤΡΣ	using communication transmission lines	18309
G08B  25/10		̵ƥѤΡΣ	using wireless transmission systems	30174
G08B  25/12		ҳ֤Ū˺ưΡΣ	Manually actuated calamity alarm transmitting arrangements	2659
G08B  25/14		֤ޤ֡Σ	Central alarm receiver or annunciator arrangements	5607
G08B  26/00		ʣλҶɤɤˤäƽ缡䤵Ƥ󥷥ƥ	Alarm systems in which substations are interrogated in succession by a central station	2256
G08B  27/00		֤ɤʣλҶɤ󤹤󥷥ƥ	Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations	7068
G08B  29/00		ޤϷ󥷥ƥޤϴƻ롨ưθɻߤޤϽ㡥ưɻ	Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation	5855
G08B  29/02		ޤϷ󥷥ƥϢ³Ū˴ƻ뤹ΡΣ	Monitoring continuously signalling or alarm systems	1527
G08B  29/04		вϩƻ뤹ΡΣ	Monitoring of the detection circuits	1838
G08B  29/06		ϩƻ뤹Ρ㡥θξΣ	Monitoring of the line circuits, e.g. signalling of line faults	1511
G08B  29/08		ϩؤ˸󤹤ΡΣ	Signalling of tampering with the line circuit	214
G08B  29/10		βϩƻ뤹ΡΣ	Monitoring of the annunciator circuits	418
G08B  29/12		ޤϷ󥷥ƥַŪΡΣ	Checking intermittently signalling or alarm systems	1389
G08B  29/14		вϩΡΣ	checking the detection circuits	1532
G08B  29/16		ޤϷ󥷥ƥݾ㡤㡥ĹƥΣ	Security signalling or alarm systems, e.g. redundant systems	958
G08B  29/18		ưθɻߤޤϽʣǣ£ǣ£ͥˡΣ	Prevention or correction of operating errors(<b>G08B29/02</b>, <b>G08B29/12</b> take precedence)	5550
G08B  29/20		ư֤ޤΣ	Calibration, including self-calibrating arrangements	329
G08B  29/22		ưΤ㡥ΤϤޤϽ¬ǽȤ뤿˴ַŪͤݻΡΣ	Provisions facilitating manual calibration, e.g. input or output provisions for testing; Holding of intermittent values to permit measurement	127
G08B  29/24		ư㡥ĶαƶޤϹʤϷΡΣ	Self-calibration, e.g. compensating for environmental drift or ageing of components	295
G08B  29/26		Ȥͤ򹹿뤳ȤˤΡΣ	by updating and storing reference thresholds	484
G08B  29/28		Ѥ뤳ȤˤΡΣ	by changing the gain of an amplifier	45
G08B  31/00		ǿΥǡѤ¬ޤ¾η׻ˤͽ󥷥ƥΣ	Predictive alarm systems characterised by extrapolation or other computation using updated historic data	12623
