Cooperative Patent Classification

Indent Level

Version: 2016.11
CPC
COOPERATIVE PATENT CLASSIFICATION
G04C
ELECTROMECHANICAL CLOCKS OR WATCHES (mechanical parts of clocks or watches in general G04B; electronic time-pieces with no moving parts, electronic circuitry for producing timing pulses G04G) [2013-01]
NOTE

  • This subclass covers electric features of mechanically-driven clocks or watches, such as electric winding of such clocks or the provision of electric contacts thereon.
Electric winding of mechanical clocks; Independent electric clocks or watches [2013-01]
G04C 1/00
Winding mechanical clocks electrically (winding mechanically G04B 3/00 {electrical winding of spring driven arrangements for grammophones G11B 19/20}) [2013-01]
G04C 1/003
.
{by electro-thermal or electro-pneumatic arrangements} [2013-01]
G04C 1/006
.
{for clocksystems (G04C 1/02 - G04C 1/04 take precedence)} [2016-05]
G04C 1/02
.
by electromagnets [2013-01]
G04C 1/022
. .
{with snap-acting armature} [2013-01]
G04C 1/024
. . .
{winding-up springs} [2013-01]
G04C 1/026
. .
{having unipolar rotating armature (two-pole or multi-pole arrangements G04C 1/04, G04C 1/06, G04C 1/08)} [2013-01]
G04C 1/028
. .
{with linearly moving armature} [2013-01]
G04C 1/04
.
by electric motors with rotating or with reciprocating movement {(in general H02K 33/00)} [2013-01]
G04C 1/06
. .
winding-up springs [2013-01]
G04C 1/062
. . .
{by oscillating movement} [2013-01]
G04C 1/065
. . .
{by continuous rotating movement} [2013-01]
G04C 1/067
. . .
{by stepping rotating movement} [2013-01]
G04C 1/08
. .
raising weights [2013-01]
G04C 1/082
. . .
{by oscillating movement} [2013-01]
G04C 1/085
. . .
{by continuously rotating movement} [2013-01]
G04C 1/087
. . .
{by stepping rotating movement} [2013-01]
G04C 1/10
.
Protection against overwinding (in mechanical clocks or watches G04B 1/20, G04B 3/06, G04B 3/10; {G04B 5/24, G04B 9/02}) [2013-01]
G04C 1/12
. .
of the spring [2013-01]
G04C 1/14
. .
of the weights [2013-01]
G04C 3/00
Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means {(Synchronisation G04C 11/00)} [2013-01]
G04C 3/001
.
{Electromechanical switches for setting or display (in general H01H)} [2013-01]
G04C 3/002
. .
{Position, e.g. inclination dependent switches} [2016-11]
G04C 3/004
. .
{Magnetically controlled} [2016-11]
G04C 3/005
. .
{Multiple switches (G04C 3/004 takes precedence)} [2013-01]
G04C 3/007
. .
{Electromechanical contact-making and breaking devices acting as pulse generators for setting} [2013-01]
G04C 3/008
.
{Mounting, assembling of components} [2013-01]
G04C 3/02
.
wherein movement is regulated by a pendulum [2013-01]
G04C 3/021
. .
{using mechanical coupling (using more than one pendulum G04C 3/025; using torsion pendulums G04C 3/033; using conical pendulums G04C 3/0335)} [2013-01]
G04C 3/022
. . .
{with constant impulses} [2013-01]
G04C 3/024
. .
{using other coupling means, e.g. electrostrictive, magnetostrictive} [2013-01]
G04C 3/025
. .
{using more than one pendulum (synchronisation between master and slave pendulums G04C 13/028)} [2013-01]
G04C 3/027
. .
using electro-magnetic coupling between electric power source and pendulum (G04C 3/033 takes precedence) [2013-01]
G04C 3/0271
. . .
{the pendulum controlling contacts and mechanically driving the gear-train (constructional details of contact devices G04C 13/06, G04C 23/06)} [2013-01]
G04C 3/0273
. . .
{the pendulum controlling contacts, thereby electromagnetically driving the gear-train or several gear-trains (generating driving pulses in master-clocks G04C 13/0463)} [2013-01]
G04C 3/0275
. . .
{the pendulum controlling contacts, the pendulum driving electro-magnet simultaneously driving the gear-train} [2013-01]
G04C 3/0276
. . .
{the pendulum controlling indirectly, i.e. without mechanical connection, contacts, e.g. by magnetic or optic means} [2013-01]
G04C 3/0278
. . .
{the pendulum controlling the gear-train by means of static switches, e.g. transistor circuits} [2013-01]
G04C 3/033
. .
using torsion pendulums; using conical pendulums (construction thereof G04B 17/00) [2013-01]
G04C 3/0335
. . .
{using conical pendulums (construction thereof G04B 17/30)} [2013-01]
G04C 3/04
.
wherein movement is regulated by a balance {(construction thereof G04B 17/063)} [2013-01]
G04C 3/042
. .
{using mechanical coupling} [2013-01]
G04C 3/045
. . .
{with constant impulses} [2013-01]
G04C 3/047
. .
{using other coupling means, e.g. electrostrictive, magnetostrictive} [2013-01]
G04C 3/06
. .
using electro-magnetic coupling between electric power source and balance [2013-01]
G04C 3/061
. . .
{the balance controlling contacts and mechanically driving the gear-train} [2013-01]
G04C 3/062
. . .
{the balance controlling contacts, the gear-train or several gear-trains being driven electro-magnetically thereby} [2013-01]
G04C 3/063
. . .
{the balance controlling contacts, the balance driving electro-magnet simultaneously driving the gear-train} [2013-01]
G04C 3/064
. . .
{the balance controlling indirectly, i.e. without mechanical connection, contacts, e.g. by magnetic or optic means} [2013-01]
G04C 3/065
. . .
{the balance controlling gear-train by means of static switches, e.g. transistor circuits (synchronisation of balance G04C 11/084)} [2013-01]
G04C 3/066
. . . .
{Constructional details, e.g. disposition of coils} [2013-01]
G04C 3/067
. . . .
{Driving circuits with distinct detecting and driving coils} [2013-01]
G04C 3/068
. . . . .
{provided with automatic control} [2013-01]
G04C 3/069
. . . .
{Driving circuits using a single coil for detection and driving purposes} [2013-01]
G04C 3/08
.
wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, {e.g. electrostatically} [2013-01]
G04C 3/10
. .
driven by electro-magnetic means [2013-01]
G04C 3/101
. . .
{constructional details} [2013-01]
G04C 3/102
. . . .
{of the mechanical oscillator or of the coil} [2013-01]
G04C 3/104
. . . .
{of the pawl or the ratched-wheel (in general G04B 11/04, G04C 11/005)} [2013-01]
G04C 3/105
. . . . .
{pawl and ratched-wheel being magnetically coupled} [2013-01]
G04C 3/107
. . . .
{Controlling frequency or amplitude of the oscillating system (circuits G04C 3/108)} [2013-01]
G04C 3/108
. . .
{Driving circuits} [2013-01]
G04C 3/12
. .
driven by piezo-electric means; driven by magneto-strictive means [2013-01]
G04C 3/125
. . .
{driven by magneto-strictive means} [2013-01]
G04C 3/14
.
incorporating a stepping motor (G04C 3/02 - G04C 3/12 take precedence {generating timing pulses G04F 5/00, G04G 3/00; setting G04G 5/00; synchronisation G04G 7/00; generating commutating pulses in masterclocks G04C 13/0463, G04C 13/02; slave clocks actuated intermittently by electromechanical step advancing mechanisms G04C 13/10; control circuits for stepping motors in general H02P 8/00}) [2016-05]
G04C 3/143
. .
{Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step} [2016-08]
G04C 3/146
. .
{incorporating two or more stepping motors or rotors} [2013-01]
G04C 3/16
.
incorporating an electro-dynamic continuously rotating motor (G04C 3/02 - G04C 3/12 take precedence; clocks driven by synchronous motors G04C 15/00; {apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with electric driving means, e.g. incorporating clocks G04F 3/06, G04F 3/08; electromechanical stop watches G04F 8/00}) [2016-05]
G04C 3/165
. .
{comprising a mechanical regulating device influencing the electromotor (constructional details of the mechanical regulating device G04B 17/00)} [2013-01]
G04C 3/18
.
incorporating electro-thermal or electro-pneumatic driving means [2013-01]
G04C 5/00
Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements (regulators G04C 3/00) [2013-01]
G04C 5/005
.
{Magnetic or electromagnetic means} [2013-01]
G04C 9/00
Electrically-actuated devices for setting the time-indicating means (of slave clocks G04C 13/03; mechanical setting devices G04B 27/00; radio-controlled time-pieces G04R) [2013-01]
G04C 9/02
.
{brought into action by radio transmission} [2016-11]
G04C 9/04
.
by blocking the driving means {(see provisionally G04C 9/00)} [2013-01]
G04C 9/06
.
by decoupling the driving means (combined with blocking means G04C 9/04 {see provisionally G04C 9/00}) [2013-01]
G04C 9/08
.
by electric drive, {(i.e. for mechanical clocks; see provisionally G04C 9/00)} [2013-01]
G04C 10/00
Arrangements of electric power supplies in time pieces {(circuits G04G 19/00; mounting, assembling of components of electromechanical watches G04C 3/008, of electronic watches G04G 17/00)} [2013-01]
G04C 10/02
.
the power supply being a radioactive {or photovoltaic} source [2013-01]
G04C 10/04
.
with means for indicating the condition of the power supply {(in general G01R 31/36)} [2013-01]
Electric clock installations; Master-and-slave clock systems; Synchronous-motor clocks [2013-01]
G04C 11/00
Synchronisation of independently-driven clocks (radio-controlled time-pieces G04R) [2013-01]
G04C 11/002
.
{by changing the driving speed} [2013-01]
G04C 11/005
.
{by changing the ratio of the driving-gear} [2013-01]
G04C 11/007
.
{by positioning of the index or by regulating the length of the pendulum in dependance on the time difference with a standard} [2013-01]
G04C 11/02
.
{by radio (time setting brought into action by radio G04C 9/02)} [2016-11]
G04C 11/023
. .
{provided with arrangements to prevent synchronisation by interfering signals} [2013-01]
G04C 11/026
. .
{the time-piece preparing itself on set times on the reception of the sychronising signal} [2013-01]
G04C 11/04
.
over a line (transmitting time signals over telephone networks H04M 11/06 {time setting G04C 9/00}) [2013-01]
G04C 11/043
. .
{provided with arrangements to prevent synchronisation by interfering signals} [2013-01]
G04C 11/046
. .
{the time-piece preparing itself on set time on the reception of the synchronising signal} [2013-01]
G04C 11/06
.
with direct mechanical action on the time-indicating means {(time setting G04C 9/00)} [2013-01]
G04C 11/08
.
using an electro-magnet or-motor {for oscillation correction} [2013-01]
G04C 11/081
. .
{using an electro-magnet} [2013-01]
G04C 11/082
. . .
{acting on the pendulum (mutual synchronisation of pendulums G04C 13/028)} [2013-01]
G04C 11/084
. . .
{acting on the balance} [2013-01]
G04C 11/085
. .
{using an electro-motor} [2013-01]
G04C 11/087
. . .
{acting on the pendulum (mutual synchronisation of pendulums G04C 13/028)} [2013-01]
G04C 11/088
. . .
{acting on the balance} [2013-01]
G04C 13/00
Driving mechanisms for clocks by master-clocks [2013-01]
G04C 13/02
.
Circuit arrangements; Electric clock installations [2013-01]
G04C 13/021
. .
{master-slave systems using transmission of singular pulses for driving directly slave-clocks step by step (G04C 13/03 takes precedence)} [2013-01]
G04C 13/022
. . .
{via existing power distribution lines} [2013-01]
G04C 13/023
. . .
{via existing transmission lines (transmitting time signals over telephone networks H04M 11/06)} [2013-01]
G04C 13/025
. . .
{via special lines} [2013-01]
G04C 13/026
. . .
{by radio} [2013-01]
G04C 13/027
. .
{master-slave systems using transmission of other driving signals, e.g. coded signals} [2013-01]
G04C 13/028
. .
{transmission systems for synchronisation of pendulum of slave-clocks by pendulums of master-clocks} [2013-01]
G04C 13/03
. .
Pulse transmission systems with additional means for setting the time indication of slave-clocks {(G04C 13/028 takes precedence)} [2013-01]
G04C 13/04
. .
Master-clocks [2013-01]
G04C 13/0409
. . .
{monitoring or controlling master-clock or system with more than one master-clock, e.g. for switching-over to standby motor or power system} [2013-01]
G04C 13/0418
. . . .
{by using devices similar to slave-clocks} [2013-01]
G04C 13/0427
. . . .
{Systems in which slave-clocks function as master-clocks for other slave-clocks (synchronisation of independently-driven clocks G04C 11/00, setting G04C 9/00)} [2013-01]
G04C 13/0436
. . .
{provided with supplementary means for setting or changing the time indication of the slave-clocks} [2013-01]
G04C 13/0445
. . . .
{for automatically correcting of or compensating for disturbances} [2013-01]
G04C 13/0454
. . . .
{for automatically setting of slave-clocks after correction or after setting of master-clock} [2013-01]
G04C 13/0463
. . .
{Arrangements for generating normal driving pulses} [2013-01]
G04C 13/0472
. . . .
{by starting an independent mechanical driving devices, e.g. motor controlling the contacts} [2013-01]
G04C 13/0481
. . . .
{by switching on an electromagnetic driving device, e.g. electro-motor, controlling the contacts} [2013-01]
G04C 13/049
. . . .
{by using current generating driving device} [2013-01]
G04C 13/06
. . .
Contact devices (for simultaneously winding several clocks G04C 1/00) [2013-01]
G04C 13/065
. . . .
{controlled by a pendulum or a balance} [2013-01]
G04C 13/08
.
Slave-clocks actuated intermittently [2013-01]
G04C 13/10
. .
by electromechanical step advancing mechanisms {(independent clocks or watches incorporating a stepping motor G04C 3/14; stepping motors in general H02K 33/00)} [2013-01]
G04C 13/105
. . .
{setting the time-indicating means (master-slave systems with setting means G04C 13/03; adjusting independently-driven clocks G04C 9/00, G04C 11/00)} [2013-01]
G04C 13/11
. . .
with rotating armature [2013-01]
G04C 13/12
. .
by continuously-rotating electric motors {(independent clocks G04C 3/16; clocks driven by synchronous motors G04C 15/00)} [2013-01]
G04C 13/14
. .
by electrically-released mechanical driving mechanisms [2013-01]
G04C 15/00
Clocks driven by synchronous motors [2013-01]
G04C 15/0009
.
{without power-reserve} [2013-01]
G04C 15/0018
. .
{provided with hand-actuated starting device} [2013-01]
G04C 15/0027
. .
{provided with automatic-starting device} [2013-01]
G04C 15/0036
. .
{provided with means for indicating disturbance} [2013-01]
G04C 15/0045
. .
{provided with means for checking sense of rotation} [2013-01]
G04C 15/0054
.
{with power-reserve} [2013-01]
G04C 15/0063
.
{Synchronous clock systems, e.g. provided with radiolink or using transmission of alternating current via existing power distribution lines} [2013-01]
G04C 15/0072
. .
{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} [2013-01]
G04C 15/0081
. .
{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} [2013-01]
G04C 15/009
.
{Lubricating} [2013-01]
Indicating the time or producing time signals electrically [2013-01]
G04C 17/00
indicating the time optically by electric means (G04C 19/00 takes precedence; by mechanical means G04B 19/00, G04B 19/20) [2013-01]
G04C 17/0008
.
{by bands} [2013-01]
G04C 17/0016
. .
{with date indication} [2013-01]
G04C 17/0025
.
{by flaps} [2013-01]
G04C 17/0033
. .
{with date indication} [2013-01]
G04C 17/0041
.
{by a combination of different types of indicating devices, e.g. flaps and drums} [2013-01]
G04C 17/005
.
{by discs (by drums G04C 17/0075)} [2013-01]
G04C 17/0058
. .
{with date indication} [2013-01]
G04C 17/0066
. . .
{electromagnetically driven, e.g. intermittently (clocks incorporating a stepping motor G04C 3/14)} [2013-01]
G04C 17/0075
.
{by drums or drum-like devices} [2013-01]
G04C 17/0083
. .
{with date indication} [2013-01]
G04C 17/0091
.
{Combined electro-optical and electro-mechanical displays (see provisionally also G04G 9/0082)} [2013-01]
G04C 17/02
.
by electric lamps [2013-01]
G04C 19/00
Producing optical time signals at prefixed times by electric means [2013-01]
G04C 19/02
.
by electric lamps [2013-01]
G04C 19/04
.
by indicating members moved electrically, e.g. flap, band [2013-01]
G04C 21/00
Producing acoustic time signals by electrical means {(for mechanical clocks or watches G04B 21/08, G04B 25/00)} [2013-01]
G04C 21/02
.
Constructional details (G04C 21/04, G04C 21/16 take precedence {sound producing devices in general G10K, e.g. G10K 1/00}) [2013-01]
G04C 21/04
.
Indicating the time of the day (acoustic indication of time G04B 21/00) [2013-01]
G04C 21/06
. .
by striking mechanism [2013-01]
G04C 21/08
. . .
with snail [2013-01]
G04C 21/10
. . .
with locking plate [2013-01]
G04C 21/12
. .
by electro-acoustic means [2013-01]
G04C 21/14
. . .
Electro-acoustic time announcement, i.e. spoken [2013-01]
G04C 21/16
.
producing the signals at adjustable fixed times [2013-01]
G04C 21/18
. .
by mechanically unlocking an electro-mechanical vibrator, e.g. actuated by the leakage flux of the electric driving means [2013-01]
G04C 21/185
. . .
{provided with means for sheeting off or temporarity stopping the signal} [2013-01]
G04C 21/20
. .
by closing a contact to ring an electro-mechanical alarm [2013-01]
G04C 21/205
. . .
{by the hand(s) or handlike members closing the contact} [2013-01]
G04C 21/22
. . .
put into action by the arbor of a mechanical alarm work [2013-01]
G04C 21/24
. . .
put into action by the spring of a mechanical alarm work [2013-01]
G04C 21/26
. . .
put into action by the vibrations caused by the operation of a mechanical alarm work [2013-01]
G04C 21/28
. .
by closing a contact to put into action electro-acoustic means, e.g. awakening by music [2013-01]
G04C 21/30
. .
with provision for a number of operations at different times, e.g. ringing the bells in a school [2013-01]
G04C 21/305
. . .
{by the hand(s) or handlike members closing the contacts} [2013-01]
G04C 21/32
. . .
giving indications at a number of places each at a different time, e.g. system of alarms in a hotel [2013-01]
G04C 21/323
. . . .
{by the hand(s) or handlike members closing the contacts} [2013-01]
G04C 21/326
. . . .
{adjustable from the different places themselves} [2013-01]
G04C 21/34
. .
Devices on watches or similar portable timepieces [2013-01]
G04C 21/36
. .
Signal repeating devices [2013-01]
G04C 21/38
. .
Adjusting the duration of signals [2013-01]
G04C 23/00
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 G04C 21/00; mechanical alarm clocks G04B 23/02; apparatus which can be set and started to measure-off predetermined intervals G04F 3/06; time or time-programme switches which automatically terminate their operation after the programme is completed H01H 43/00) [2013-01]
G04C 23/02
.
Constructional details [2013-01]
G04C 23/04
. .
Housings, supports, shielding, or similar stationary parts [2013-01]
G04C 23/06
. .
Driving or regulating means [2013-01]
G04C 23/08
. .
Programming means [2013-01]
G04C 23/10
. .
for actuating any element which operates, or initiates the operation of, the device concerned [2013-01]
G04C 23/12
. .
Electric circuitry [2013-01]
G04C 23/14
.
Mechanisms continuously running to relate the operation(s) to the time of day [2013-01]
G04C 23/16
. .
acting only at one preselected time or during one adjustable time interval [2013-01]
G04C 23/18
. .
for operating one device at a number of different times [2013-01]
G04C 23/20
. . .
with contacts operated, or formed by clock hands or elements of similar form [2013-01]
G04C 23/22
. . .
with the actuating element carried by a disc [2013-01]
G04C 23/24
. . . .
the actuating element controlling another element mechanically [2013-01]
G04C 23/26
. .
for operating a number of devices at different times [2013-01]
G04C 23/28
. . .
with contacts operated, or formed, by clock hands or elements of similar form [2013-01]
G04C 23/30
. . .
with the actuating element carried by a disc [2013-01]
G04C 23/32
. . . .
the actuating element controlling another element mechanically [2013-01]
G04C 23/34
. .
with provision for automatic modification of the programme, e.g. on Sunday [2013-01]
G04C 23/342
. . .
{some operations being performed at another time} [2013-01]
G04C 23/345
. . .
{another programme being carried out} [2013-01]
G04C 23/347
. . .
{some operations being overridden} [2013-01]
G04C 23/36
. . .
by external influences [2013-01]
G04C 23/38
.
Mechanisms measuring a chosen time interval independently of the time of day at which interval starts [2013-01]
G04C 23/40
. .
using continuously-running mechanism [2013-01]
G04C 23/42
. .
acting only at the end of a single time interval [2013-01]
G04C 23/44
. . .
with provision for selection from a number of preset intervals [2013-01]
G04C 23/46
. . .
with provision for adjustment of the interval (G04C 23/44 takes precedence) [2013-01]
G04C 23/48
. .
acting at the ends of successive time intervals [2013-01]
G04C 23/50
. .
with provision for modification of the interval(s) by external influences [2013-01]

G04C 99/00
Subject matter not provided for in other groups of this subclass [2013-01]