G04C   1/00		ŵ夲סΣ	Winding mechanical clocks electrically	184
G04C   1/02		żФˤ	by electromagnets	483
G04C   1/04		žޤϱư򤹤ưˤ	by electric motors with rotating or with reciprocating movement	82
G04C   1/06		Фͤ򴬤夲	winding-up springs	695
G04C   1/08		ſ򴬤夲	raising weights	126
G04C   1/10		᤮ݸΣ	Protection against overwinding	10
G04C   1/12		Фͤδ᤮ݸ	of the spring	79
G04C   1/14		ſδ᤮ݸ	of the weights	
G04C   3/00		¾λפ̵طǡưŵŪʤˤäݤŵפޤϷŵסƱưˤäƶưףǣã	Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means(clocks driven by synchronous motors <b>G04C15/00</b>)	10878
G04C   3/02		ưҤˤäĴ®	wherein movement is regulated by a pendulum	482
G04C   3/027		ŸȿҤȤżŪѤΡʣǣãͥˡΣ	using electromagnetic coupling between electric power source and pendulum(<b>G04C3/033</b> takes precedence)	572
G04C   3/033		ͤ꿶ҤѤΡߤҤѤΡΣ	using torsion pendulums; using conical pendulums	114
G04C   3/04		ưƥפˤäĴ®	wherein movement is regulated by a balance	775
G04C   3/06		ŸȥƥפȤżŪѤΡΣ	using electromagnetic coupling between electric power source and balance	1486
G04C   3/08		ưҤƥװʳεưҤˤäĴ®Ρ㡥ˤΡΣ	wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork	156
G04C   3/10		żŪʤˤäƶưΡΣ	driven by electromagnetic means	913
G04C   3/12		żʤˤäƶưΡ襤ʤˤäƶưΡΣ	driven by piezoelectric means; driven by magnetostrictive means	466
G04C   3/14		ƥåץ⡼Ȥ߹ΡʣǣãǣãͥˡΣ	incorporating a stepping motor(<b>G04C3/02 to G04C3/12</b>  take precedence)	5494
G04C   3/16		Ϣ³žưȤ߹ΡʣǣãǣãͥˡΣ	incorporating an electro-dynamic continuously rotating motor(<b>G04C3/02 to G04C3/12</b>  take precedence)	530
G04C   3/18		ŵǮưʤޤŵ쵤ΰưʤȤ߹ΡΣ	incorporating electro-thermal or electro-pneumatic driving means	29
G04C   5/00		ưžưѴ뤿λפˤŵŪޤϼŪʡʤŵŪޤϼŪæʵĴǣãˡΣ	Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements(regulators <b>G04C3/00</b>)	708
G04C   9/00		ɽʤꤹ뤿ŵŪư֡ʻһפΤΣǣãˡΣ	Electrically-actuated devices for setting the time-indicating means (of secondary clocks <b>G04C13/03</b>)	2380
G04C   9/04		ưʤ뤳ȤˤΡΣ	by blocking the driving means	1248
G04C   9/06		ưʤڤΥȤˤΡʤȷ礵ΣǣãˡΣ	by decoupling the driving means(combined with blocking means <b>G04C9/04</b>)	19
G04C   9/08		ŵŪưˤΡΣ	by electric drive	858
G04C  10/00		פˤŸ֡Σ	Arrangements of electric power supplies in time-pieces	4782
G04C  10/02		Ÿͥ륮ǤΡΣ	the power supply being a radioactive source	1740
G04C  10/04		Ÿξ֤ɽʤĤΡΣ	with means for indicating the condition of the power supply	1229
G04C  11/00		ΩƶưפƱΣ	Synchronisation of independently-driven clocks	548
G04C  11/04		ˤΡΣ	over a line	141
G04C  11/06		ɽʤľܵŪ˺ưʤĤΡΣ	with direct mechanical action on the time-indicating means	81
G04C  11/08		żФޤưѤΡΣ	using an electric magnet or motor	315
G04C  13/00		ƻפˤ׶ư	Driving mechanisms for clocks by primary clocks	287
G04C  13/02		ϩŵ	Circuit arrangements; Electric clock installations	503
G04C  13/03		һפλɽꤹ뤿ղŪʼʤĥѥ륹ƥΣ	Pulse transmission systems with additional means for setting the time indication of secondary clocks	247
G04C  13/04		ƻ	Primary clocks	358
G04C  13/06		³ʣλפƱ˴夲Σǣã	Contact devices(for simultaneously winding several clocks <b>G04C1/00</b>)	105
G04C  13/08		֤Ū˺ưһ	Secondary clocks actuated intermittently	140
G04C  13/10		ŵʵˤ	by electromechanical step-advancing mechanisms	326
G04C  13/11		žŵҤĤΡΣ	with rotating armature	413
G04C  13/12		Ϣ³žưˤΡΣ	by continuously-rotating electric motors	95
G04C  13/14		ŵŪ˲뵡ưˤ	by electrically-released mechanical driving mechanisms	33
G04C  15/00		Ʊưˤäƶư	Clocks driven by synchronous motors	1718
G04C  17/00		ŵŪʤˤŪɽʣǣãͥˡΣ	Indicating the time optically by electric means(<b>G04C19/00</b> takes precedence)	2910
G04C  17/02		ŵˤ	by electric lamps	202
G04C  19/00		ˡŵŪʤˤäƸŪ￮ȯ	Producing optical time signals at prefixed times by electric means	604
G04C  19/02		ŵˤ	by electric lamps	201
G04C  19/04		ŵŪ˶ưɽΤˤΡ㡥ɽġɽ	by indicating members moved electrically, e.g. flap, band	96
G04C  21/00		ŵŪʤˤäƲŪ￮ȯ	Producing acoustic time signals by electrical means	733
G04C  21/02		¤κʣǣãǣãͥ	Constructional details(<b>G04C21/04</b>, <b>G04C21/16</b> take precedence)	2378
G04C  21/04		ɽΣ	Indicating the time of the day	320
G04C  21/06		뵡ˤ	by striking mechanism	165
G04C  21/08		襫Ĥ	with snail	165
G04C  21/10		֤Ĥ	with locking plate	72
G04C  21/12		ŵŪʤˤ	by electro-acoustic means	388
G04C  21/14		ŵŪΡʤˤι	Electro-acoustic time announcement, i.e. spoken	317
G04C  21/16		Ĵ˿ȯ	producing the signals at adjustable fixed times	1879
G04C  21/18		ŵưҡ㡥ŵŪưʤϳ̼«ˤäƺư뿶ưҡ򵡳Ū˲	by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means	214
G04C  21/20		Ĥ뤳ȤˤäŵĤ餹	by closing a contact to ring an electromechanical alarm	395
G04C  21/22		ųݤμˤäƺư֤	put into action by the arbor of a mechanical alarm work	235
G04C  21/24		ųݤΥץ󥰤ˤäƺư֤	put into action by the spring of a mechanical alarm work	18
G04C  21/26		ųݤưˤä뿶ưˤäƺư֤	put into action by the vibrations caused by the operation of a mechanical alarm work	56
G04C  21/28		Ĥ뤳Ȥˤäŵʤư֤Ρ㡥ڤˤäܤ򤵤ޤ	by closing a contact to put into action electro-acoustic means, e.g. awakening by music	358
G04C  21/30		ۤʤ¿ư򤹤Ρ㡥عΥ٥Ĥ餹	with provision for a number of operations at different times, e.g. ringing the bells in a school	243
G04C  21/32		ۤʤˡ¿ξΤΤΤɽͿΡ㡥ۥƥη	giving indications at a number of places, each at a different time, e.g. system of alarms in a hotel	145
G04C  21/34		ӻפޤӻפˤĤ	Devices on watches or similar portable time-pieces	226
G04C  21/36		淫֤	Signal-repeating devices	388
G04C  21/38		λ³֤Ĵ᤹	Adjusting the duration of signals	157
G04C  23/00		餫ꤵ줿ˡޤϤ餫ꤵ줿ֳִ֤θǤ֤Ȥμդ줿ޤȤ߹ޤ줿ʤĻסŵŪʤˤäƲŪֿȯΤ˸¤ΣǣãˡΣ	Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals(if restricted to producing acoustic time signals by electrical means <b>G04C21/00</b>)	1740
G04C  23/02		¤κ	Constructional details	980
G04C  23/04		ϥ󥰡ٻפؤޤʬ	Housings, supports, shielding, or similar stationary parts	147
G04C  23/06		ưޤĴ	Driving or regulating means	378
G04C  23/08		ץ	Programming means	1359
G04C  23/10		Ϣ֤ޤϴϢ֤򳫻ϤǤǤư	for actuating any element which operates, or initiates the operation of, the device concerned	423
G04C  23/12		ŵϩ	Electric circuitry	266
G04C  23/14		˴ϢԤˡϢ³Ūư뵡	Mechanisms continuously running to relate the operation(s) to the time of day	1062
G04C  23/16		ĤΤ餫ꤵ줿ˡޤϣĤβĴֳִ֤δ֤ˤΤߺư	acting only at one preselected time or during one adjustable time interval	1638
G04C  23/18		¿ΰۤʤˣĤ֤	for operating one device at a number of different times	319
G04C  23/20		פλؿˤޤǤˤä졤ޤϷĤ	with contacts operated, or formed, by clock hands or elements of similar form	180
G04C  23/22		ĤˤäưǤĤ	with the actuating element carried by a disc	443
G04C  23/24		¾Ǥ򵡳Ū椹ư	the actuating element controlling another element mechanically	152
G04C  23/26		ۤʤ¿֤	for operating a number of devices at different times	167
G04C  23/28		פλؿˤޤǤˤä졤ޤϷĤ	with contacts operated, or formed, by clock hands or elements of similar form	51
G04C  23/30		ĤˤäưǤĤ	with the actuating element carried by a disc	61
G04C  23/32		¾Ǥ򵡳Ū椹ư	the actuating element controlling another element mechanically	23
G04C  23/34		ץưŪ˽ǤΡ㡥	with provision for automatic modification of the programme, e.g. on Sunday	333
G04C  23/36		κѤˤ	by external influences	94
G04C  23/38		Ȥ̵طˡ򤵤줿ֳִ֤¬ꤹ뵡	Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts	110
G04C  23/40		Ϣ³Ūư뵡Ѥ	using continuously-running mechanism	13
G04C  23/42		Ĥλֳִ֤νˤΤߺư	acting only at the end of a single time interval	58
G04C  23/44		¿ΥץꥻåȤ줿ֳִ֤Ǥ	with provision for selection from a number of preset intervals	18
G04C  23/46		ֳִ֤ĴǤΡʣǣãͥ	with provision for adjustment of the interval(<b>G04C23/44</b> takes precedence)	20
G04C  23/48		Ϣλֳִ֤ν˺ư	acting at the ends of successive time intervals	42
G04C  23/50		κѤˤäƻֳִ֤Ǥ	with provision for modification of the interval(s) by external influences	11
G04C  99/00		Υ֥饹¾Υ롼פʬवʤΣ	Subject matter not provided for in other groups of this subclass	34
