G04C1/00	7	Winding mechanical clocks electrically	G04C1/00	G04C1/00		90
G04C1/003	8	{by electro-thermal or electro-pneumatic arrangements}	G04C1/00	G04C1/00		25
G04C1/006	8	{for clocksystems (G04C1/02&#160;-&#160;G04C1/04 take precedence)}	G04C1/00	G04C1/00		11
G04C1/02	8	by electromagnets	G04C1/02	G04C1/02		67
G04C1/022	9	{with snap-acting armature}	G04C1/02	G04C1/02		96
G04C1/024	10	{winding-up springs}	G04C1/02	G04C1/02		308
G04C1/026	9	{having unipolar rotating armature (two-pole or multi-pole arrangements G04C1/04, G04C1/06, G04C1/08)}	G04C1/02	G04C1/02		38
G04C1/028	9	{with linearly moving armature}	G04C1/02	G04C1/02		69
G04C1/04	8	by electric motors with rotating or with reciprocating movement	G04C1/04	G04C1/04		41
G04C1/06	9	winding-up springs	G04C1/06	G04C1/06		183
G04C1/062	10	{by oscillating movement}	G04C1/06	G04C1/06		179
G04C1/065	10	{by continuous rotating movement}	G04C1/06	G04C1/06		248
G04C1/067	10	{by stepping rotating movement}	G04C1/06	G04C1/06		15
G04C1/08	9	raising weights	G04C1/08	G04C1/08		33
G04C1/082	10	{by oscillating movement}	G04C1/08	G04C1/08		48
G04C1/085	10	{by continuously rotating movement}	G04C1/08	G04C1/08		54
G04C1/087	10	{by stepping rotating movement}	G04C1/08	G04C1/08		
G04C1/10	8	Protection against overwinding	G04C1/10	G04C1/10		5
G04C1/12	9	of the spring	G04C1/12	G04C1/12		64
G04C1/14	9	of the weights	G04C1/14	G04C1/14		
G04C3/00	7	Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means (clocks driven by synchronous motors G04C15/00)	G04C3/00	G04C3/00		374
G04C3/001	8	{Electromechanical switches for setting or display}	G04C3/00	G04C3/00		449
G04C3/002	9	{Position, e.g. inclination dependent switches}	G04C3/00	G04C3/00		209
G04C3/004	9	{Magnetically controlled}	G04C3/00	G04C3/00		80
G04C3/005	9	{Multiple switches (G04C3/004 takes precedence)}	G04C3/00	G04C3/00		245
G04C3/007	9	{Electromechanical contact-making and breaking devices acting as pulse generators for setting}	G04C3/00	G04C3/00		121
G04C3/008	8	{Mounting, assembling of components}	G04C3/00	G04C3/00		673
G04C3/02	8	wherein movement is regulated by a pendulum	G04C3/02	G04C3/02		83
G04C3/021	9	{using mechanical coupling (using more than one pendulum G04C3/025; using torsion pendulums G04C3/033; using conical pendulums G04C3/0335)}	G04C3/02	G04C3/02		78
G04C3/022	10	{with constant impulses}	G04C3/02	G04C3/02		96
G04C3/024	9	{using other coupling means, e.g. electrostrictive, magnetostrictive}	G04C3/02	G04C3/02		9
G04C3/025	9	{using more than one pendulum (synchronisation between primary and secondary pendulums G04C13/028)}	G04C3/02	G04C3/02		21
G04C3/027	9	using electromagnetic coupling between electric power source and pendulum (G04C3/033 takes precedence)	G04C3/027	G04C3/027		245
G04C3/0271	10	{the pendulum controlling contacts and mechanically driving the gear-train (constructional details of contact devices G04C13/06, G04C23/06)}	G04C3/027	G04C3/027		8
G04C3/0273	10	{the pendulum controlling contacts, thereby electromagnetically driving the gear-train or several gear-trains (generating driving pulses in primary clocks G04C13/0463)}	G04C3/027	G04C3/027		27
G04C3/0275	10	{the pendulum controlling contacts, the pendulum driving electro-magnet simultaneously driving the gear-train}	G04C3/027	G04C3/027		1
G04C3/0276	10	{the pendulum controlling indirectly, i.e. without mechanical connection, contacts, e.g. by magnetic or optic means}	G04C3/027	G04C3/027		14
G04C3/0278	10	{the pendulum controlling the gear-train by means of static switches, e.g. transistor circuits}	G04C3/027	G04C3/027		113
G04C3/033	9	using torsion pendulums; using conical pendulums	G04C3/033	G04C3/033		44
G04C3/0335	10	{using conical pendulums}	G04C3/033	G04C3/033		12
G04C3/04	8	wherein movement is regulated by a balance	G04C3/04	G04C3/04		217
G04C3/042	9	{using mechanical coupling}	G04C3/04	G04C3/04		104
G04C3/045	10	{with constant impulses}	G04C3/04	G04C3/04		65
G04C3/047	9	{using other coupling means, e.g. electrostrictive, magnetostrictive}	G04C3/04	G04C3/04		55
G04C3/06	9	using electromagnetic coupling between electric power source and balance	G04C3/06	G04C3/06		353
G04C3/061	10	{the balance controlling contacts and mechanically driving the gear-train}	G04C3/06	G04C3/06		358
G04C3/062	10	{the balance controlling contacts, the gear-train or several gear-trains being driven electro-magnetically thereby}	G04C3/06	G04C3/06		20
G04C3/063	10	{the balance controlling contacts, the balance driving electro-magnet simultaneously driving the gear-train}	G04C3/06	G04C3/06		33
G04C3/064	10	{the balance controlling indirectly, i.e. without mechanical connection, contacts, e.g. by magnetic or optic means}	G04C3/06	G04C3/06		19
G04C3/065	10	{the balance controlling gear-train by means of static switches, e.g. transistor circuits (synchronisation of balance G04C11/084)}	G04C3/06	G04C3/06		247
G04C3/066	11	{Constructional details, e.g. disposition of coils}	G04C3/06	G04C3/06		169
G04C3/067	11	{Driving circuits with distinct detecting and driving coils}	G04C3/06	G04C3/06		127
G04C3/068	12	{provided with automatic control}	G04C3/06	G04C3/06		110
G04C3/069	11	{Driving circuits using a single coil for detection and driving purposes}	G04C3/06	G04C3/06		76
G04C3/08	8	wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork {, e.g. electrostatically}	G04C3/08	G04C3/08		69
G04C3/10	9	driven by electromagnetic means	G04C3/10	G04C3/10		210
G04C3/101	10	{constructional details}	G04C3/10	G04C3/10		170
G04C3/102	11	{of the mechanical oscillator or of the coil}	G04C3/10	G04C3/10		152
G04C3/104	11	{of the pawl or the ratchet wheel}	G04C3/10	G04C3/10		22
G04C3/105	12	{pawl and ratchet wheel being magnetically coupled}	G04C3/10	G04C3/10		40
G04C3/107	11	{Controlling frequency or amplitude of the oscillating system (circuits G04C3/108)}	G04C3/10	G04C3/10		122
G04C3/108	10	{Driving circuits}	G04C3/10	G04C3/10		49
G04C3/12	9	driven by piezoelectric means; driven by magneto-strictive means	G04C3/12	G04C3/12		190
G04C3/125	10	{driven by magneto-strictive means}	G04C3/12	G04C3/12		19
G04C3/14	8	incorporating a stepping motor (G04C3/02 - G04C3/12 take precedence {; generating commutating pulses in primary clocks G04C13/0463})	G04C3/14	G04C3/14		916
G04C3/143	9	{Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step}	G04C3/14	G04C3/14		404
G04C3/146	9	{incorporating two or more stepping motors or rotors}	G04C3/14	G04C3/14		358
G04C3/16	8	incorporating an electro-dynamic continuously rotating motor (G04C3/02 - G04C3/12 take precedence)	G04C3/16	G04C3/16		249
G04C3/165	9	{comprising a mechanical regulating device influencing the electromotor}	G04C3/16	G04C3/16		124
G04C3/18	8	incorporating electro-thermal or electro-pneumatic driving means	G04C3/18	G04C3/18		26
G04C5/00	7	Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements (regulators G04C3/00)	G04C5/00	G04C5/00		73
G04C5/005	8	{Magnetic or electromagnetic means}	G04C5/00	G04C5/00		252
G04C9/00	7	Electrically-actuated devices for setting the time-indicating means (of secondary clocks G04C13/03)	G04C9/00	G04C9/00		261
G04C9/02	8	{brought into action by radio transmission}	G04C9/00	G04C9/02		25
G04C9/04	8	by blocking the driving means	G04C9/04	G04C9/04		18
G04C9/06	8	by decoupling the driving means (combined with blocking means G04C9/04)	G04C9/06	G04C9/06		7
G04C9/08	8	by electric drive	G04C9/08	G04C9/08		84
G04C10/00	7	Arrangements of electric power supplies in time-pieces {(Mounting, assembling of components G04C3/008)}	G04C10/00	G04C10/00		1239
G04C10/02	8	the power supply being a radioactive {or photovoltaic} source	G04C10/02	G04C10/02		773
G04C10/04	8	with means for indicating the condition of the power supply	G04C10/04	G04C10/04		555
G04C11/00	7	Synchronisation of independently-driven clocks	G04C11/00	G04C11/00		193
G04C11/002	8	{by changing the driving speed}	G04C11/00	G04C11/00		38
G04C11/005	8	{by changing the ratio of the driving-gear}	G04C11/00	G04C11/00		45
G04C11/007	8	{by positioning of the index or by regulating the length of the pendulum in dependance on the time difference with a standard}	G04C11/00	G04C11/00		62
G04C11/02	8	{by radio (time setting brought into action by radio G04C9/02)}	G04C11/00	G04C11/02		44
G04C11/023	9	{provided with arrangements to prevent synchronisation by interfering signals}	G04C11/00	G04C11/02		9
G04C11/026	9	{the time-piece preparing itself on set times on the reception of the sychronising signal}	G04C11/00	G04C11/02		7
G04C11/04	8	over a line	G04C11/04	G04C11/04		68
G04C11/043	9	{provided with arrangements to prevent synchronisation by interfering signals}	G04C11/04	G04C11/04		17
G04C11/046	9	{the time-piece preparing itself on set time on the reception of the synchronising signal}	G04C11/04	G04C11/04		12
G04C11/06	8	with direct mechanical action on the time-indicating means {(time setting G04C9/00)}	G04C11/06	G04C11/06		126
G04C11/08	8	using an electro-magnet or-motor {for oscillation correction}	G04C11/08	G04C11/08		8
G04C11/081	9	{using an electro-magnet}	G04C11/08	G04C11/08		30
G04C11/082	10	{acting on the pendulum (mutual synchronisation of pendulums G04C13/028)}	G04C11/08	G04C11/08		21
G04C11/084	10	{acting on the balance}	G04C11/08	G04C11/08		118
G04C11/085	9	{using an electro-motor}	G04C11/08	G04C11/08		59
G04C11/087	10	{acting on the pendulum (mutual synchronisation of pendulums G04C13/028)}	G04C11/08	G04C11/08		39
G04C11/088	10	{acting on the balance}	G04C11/08	G04C11/08		49
G04C13/00	7	Driving mechanisms for clocks by primary clocks	G04C13/00	G04C13/00		52
G04C13/02	8	Circuit arrangements; Electric clock installations	G04C13/02	G04C13/02		82
G04C13/021	9	{primary-secondary systems using transmission of singular pulses for driving directly secondary clocks step by step (G04C13/03 takes precedence)}	G04C13/02	G04C13/02		49
G04C13/022	10	{via existing power distribution lines}	G04C13/02	G04C13/02		25
G04C13/023	10	{via existing transmission lines}	G04C13/02	G04C13/02		17
G04C13/025	10	{via special lines}	G04C13/02	G04C13/02		35
G04C13/026	10	{by radio}	G04C13/02	G04C13/02		29
G04C13/027	9	{primary-secondary systems using transmission of other driving signals, e.g. coded signals}	G04C13/02	G04C13/02		97
G04C13/028	9	{transmission systems for synchronisation of pendulum of secondary clocks by pendulums of primary clocks}	G04C13/02	G04C13/02		45
G04C13/03	9	Pulse transmission systems with additional means for setting the time indication of secondary clocks {(G04C13/028 takes precedence)}	G04C13/03	G04C13/03		155
G04C13/04	9	Primary clocks	G04C13/04	G04C13/04		49
G04C13/0409	10	{monitoring or controlling primary clock or system with more than one primary clock, e.g. for switching-over to standby motor or power system}	G04C13/04	G04C13/04		40
G04C13/0418	11	{by using devices similar to secondary clocks}	G04C13/04	G04C13/04		22
G04C13/0427	11	{Systems in which secondary clocks function as primary clocks for other secondary clocks (synchronisation of independently-driven clocks G04C11/00, setting G04C9/00)}	G04C13/04	G04C13/04		13
G04C13/0436	10	{provided with supplementary means for setting or changing the time indication of the secondary clocks}	G04C13/04	G04C13/04		29
G04C13/0445	11	{for automatically correcting of or compensating for disturbances}	G04C13/04	G04C13/04		33
G04C13/0454	11	{for automatically setting of secondary clocks after correction or after setting of primary clock}	G04C13/04	G04C13/04		23
G04C13/0463	10	{Arrangements for generating normal driving pulses}	G04C13/04	G04C13/04		62
G04C13/0472	11	{by starting an independent mechanical driving devices, e.g. motor controlling the contacts}	G04C13/04	G04C13/04		22
G04C13/0481	11	{by switching on an electromagnetic driving device, e.g. electro-motor, controlling the contacts}	G04C13/04	G04C13/04		21
G04C13/049	11	{by using current generating driving device}	G04C13/04	G04C13/04		13
G04C13/06	10	Contact devices (for simultaneously winding several clocks G04C1/00)	G04C13/06	G04C13/06		70
G04C13/065	11	{controlled by a pendulum or a balance}	G04C13/06	G04C13/06		36
G04C13/08	8	Secondary clocks actuated intermittently	G04C13/08	G04C13/08		73
G04C13/10	9	by electromechanical step-advancing mechanisms {(independent clocks or watches incorporating a stepping motor G04C3/14)}	G04C13/10	G04C13/10		309
G04C13/105	10	{setting the time-indicating means (adjusting independently-driven clocks G04C9/00, G04C11/00; primary-secondary systems with setting means G04C13/03)}	G04C13/10	G04C13/10		30
G04C13/11	10	with rotating armature	G04C13/11	G04C13/11		397
G04C13/12	9	by continuously-rotating electric motors {(independent clocks G04C3/16; clocks driven by synchronous motors G04C15/00)}	G04C13/12	G04C13/12		85
G04C13/14	9	by electrically-released mechanical driving mechanisms	G04C13/14	G04C13/14		43
G04C15/00	7	Clocks driven by synchronous motors	G04C15/00	G04C15/00		202
G04C15/0009	8	{without power-reserve}	G04C15/00	G04C15/00		132
G04C15/0018	9	{provided with hand-actuated starting device}	G04C15/00	G04C15/00		30
G04C15/0027	9	{provided with automatic-starting device}	G04C15/00	G04C15/00		13
G04C15/0036	9	{provided with means for indicating disturbance}	G04C15/00	G04C15/00		45
G04C15/0045	9	{provided with means for checking sense of rotation}	G04C15/00	G04C15/00		32
G04C15/0054	8	{with power-reserve}	G04C15/00	G04C15/00		197
G04C15/0063	8	{Synchronous clock systems, e.g. provided with radiolink or using transmission of alternating current via existing power distribution lines}	G04C15/00	G04C15/00		11
G04C15/0072	9	{Setting the time-indicating means, e.g. by controlling the frequency or by changing the drive of the separate clocks by using an auxiliary motor}	G04C15/00	G04C15/00		35
G04C15/0081	9	{Automatic stabilisation of net frequency with regard to time, e.g. by comparing one of the clocks with an independent clock, means being provided for automatic compensation of disturbances}	G04C15/00	G04C15/00		78
G04C15/009	8	{Lubricating}	G04C15/00	G04C15/00		15
G04C17/00	7	Indicating the time optically by electric means (G04C19/00 takes precedence)	G04C17/00	G04C17/00		381
G04C17/0008	8	{by bands}	G04C17/00	G04C17/00		34
G04C17/0016	9	{with date indication}	G04C17/00	G04C17/00		31
G04C17/0025	8	{by flaps}	G04C17/00	G04C17/00		18
G04C17/0033	9	{with date indication}	G04C17/00	G04C17/00		12
G04C17/0041	8	{by a combination of different types of indicating devices, e.g. flaps and drums}	G04C17/00	G04C17/00		13
G04C17/005	8	{by discs (by drums G04C17/0075)}	G04C17/00	G04C17/00		73
G04C17/0058	9	{with date indication}	G04C17/00	G04C17/00		81
G04C17/0066	10	{electromagnetically driven, e.g. intermittently (clocks incorporating a stepping motor G04C3/14)}	G04C17/00	G04C17/00		135
G04C17/0075	8	{by drums or drum-like devices}	G04C17/00	G04C17/00		63
G04C17/0083	9	{with date indication}	G04C17/00	G04C17/00		34
G04C17/0091	8	{Combined electro-optical and electro-mechanical displays}	G04C17/00	G04C17/00		182
G04C17/02	8	by electric lamps	G04C17/02	G04C17/02		134
G04C19/00	7	Producing optical time signals at prefixed times by electric means	G04C19/00	G04C19/00		51
G04C19/02	8	by electric lamps	G04C19/02	G04C19/02		156
G04C19/04	8	by indicating members moved electrically, e.g. flap, band	G04C19/04	G04C19/04		38
G04C21/00	7	Producing acoustic time signals by electrical means	G04C21/00	G04C21/00		162
G04C21/02	8	Constructional details (G04C21/04, G04C21/16 take precedence)	G04C21/02	G04C21/02		304
G04C21/04	8	Indicating the time of the day	G04C21/04	G04C21/04		96
G04C21/06	9	by striking mechanism	G04C21/06	G04C21/06		100
G04C21/08	10	with snail	G04C21/08	G04C21/08		180
G04C21/10	10	with locking plate	G04C21/10	G04C21/10		74
G04C21/12	9	by electro-acoustic means	G04C21/12	G04C21/12		105
G04C21/14	10	Electro-acoustic time announcement, i.e. spoken	G04C21/14	G04C21/14		121
G04C21/16	8	producing the signals at adjustable fixed times	G04C21/16	G04C21/16		197
G04C21/18	9	by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means	G04C21/18	G04C21/18		148
G04C21/185	10	{provided with means for sheeting off or temporarity stopping the signal}	G04C21/18	G04C21/18		6
G04C21/20	9	by closing a contact to ring an electromechanical alarm	G04C21/20	G04C21/20		294
G04C21/205	10	{by the hand(s) or handlike members closing the contact}	G04C21/20	G04C21/20		83
G04C21/22	10	put into action by the arbor of a mechanical alarm work	G04C21/22	G04C21/22		322
G04C21/24	10	put into action by the spring of a mechanical alarm work	G04C21/24	G04C21/24		20
G04C21/26	10	put into action by the vibrations caused by the operation of a mechanical alarm work	G04C21/26	G04C21/26		56
G04C21/28	9	by closing a contact to put into action electro-acoustic means, e.g. awakening by music	G04C21/28	G04C21/28		155
G04C21/30	9	with provision for a number of operations at different times, e.g. ringing the bells in a school	G04C21/30	G04C21/30		137
G04C21/305	10	{by the hand(s) or handlike members closing the contacts}	G04C21/30	G04C21/30		28
G04C21/32	10	giving indications at a number of places each at a different time, e.g. system of alarms in a hotel	G04C21/32	G04C21/32		100
G04C21/323	11	{by the hand(s) or handlike members closing the contacts}	G04C21/32	G04C21/32		20
G04C21/326	11	{adjustable from the different places themselves}	G04C21/32	G04C21/32		34
G04C21/34	9	Devices on watches or similar portable timepieces	G04C21/34	G04C21/34		50
G04C21/36	9	Signal repeating devices	G04C21/36	G04C21/36		93
G04C21/38	9	Adjusting the duration of signals	G04C21/38	G04C21/38		64
G04C23/00	7	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 G04C21/00)	G04C23/00	G04C23/00		528
G04C23/02	8	Constructional details	G04C23/02	G04C23/02		157
G04C23/04	9	Housings, supports, shielding, or similar stationary parts	G04C23/04	G04C23/04		84
G04C23/06	9	Driving or regulating means	G04C23/06	G04C23/06		96
G04C23/08	9	Programming means	G04C23/08	G04C23/08		166
G04C23/10	9	for actuating any element which operates, or initiates the operation of, the device concerned	G04C23/10	G04C23/10		156
G04C23/12	9	Electric circuitry	G04C23/12	G04C23/12		115
G04C23/14	8	Mechanisms continuously running to relate the operation(s) to the time of day	G04C23/14	G04C23/14		80
G04C23/16	9	acting only at one preselected time or during one adjustable time interval	G04C23/16	G04C23/16		1047
G04C23/18	9	for operating one device at a number of different times	G04C23/18	G04C23/18		136
G04C23/20	10	with contacts operated, or formed by clock hands or elements of similar form	G04C23/20	G04C23/20		74
G04C23/22	10	with the actuating element carried by a disc	G04C23/22	G04C23/22		118
G04C23/24	11	the actuating element controlling another element mechanically	G04C23/24	G04C23/24		146
G04C23/26	9	for operating a number of devices at different times	G04C23/26	G04C23/26		103
G04C23/28	10	with contacts operated, or formed, by clock hands or elements of similar form	G04C23/28	G04C23/28		29
G04C23/30	10	with the actuating element carried by a disc	G04C23/30	G04C23/30		41
G04C23/32	11	the actuating element controlling another element mechanically	G04C23/32	G04C23/32		20
G04C23/34	9	with provision for automatic modification of the programme, e.g. on Sunday	G04C23/34	G04C23/34		128
G04C23/342	10	{some operations being performed at another time}	G04C23/34	G04C23/34		73
G04C23/345	10	{another programme being carried out}	G04C23/34	G04C23/34		22
G04C23/347	10	{some operations being overridden}	G04C23/34	G04C23/34		40
G04C23/36	10	by external influences	G04C23/36	G04C23/36		48
G04C23/38	8	Mechanisms measuring a chosen time interval independently of the time of day at which interval starts	G04C23/38	G04C23/38		23
G04C23/40	9	using continuously-running mechanism	G04C23/40	G04C23/40		7
G04C23/42	9	acting only at the end of a single time interval	G04C23/42	G04C23/42		22
G04C23/44	10	with provision for selection from a number of preset intervals	G04C23/44	G04C23/44		11
G04C23/46	10	with provision for adjustment of the interval (G04C23/44 takes precedence)	G04C23/46	G04C23/46		17
G04C23/48	9	acting at the ends of successive time intervals	G04C23/48	G04C23/48		39
G04C23/50	9	with provision for modification of the interval(s) by external influences	G04C23/50	G04C23/50		8
G04C99/00	7	Subject matter not provided for in other groups of this subclass	G04C99/00	G04C99/00		22
