IPC-Stelle: G04C 21/18 [Version 2017.01]

SymbolTypTitel
GSKPHYSICS
G04KLHOROLOGY
G04CUKLELECTROMECHANICAL 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)
G04C 1/00ZWElectric winding of mechanical clocksIndependent electric clocks or watches
G04C 1/00HGRWinding mechanical clocks electrically (winding mechanically G04B 3/00) [1, 2006.01]
G04C 1/02UGR1
.by electromagnets [1, 2006.01]
G04C 1/04UGR1
.by electric motors with rotating or with reciprocating movement [1, 2006.01]
G04C 1/06UGR2
. .winding-up springs [1, 2006.01]
G04C 1/08UGR2
. .raising weights [1, 2006.01]
G04C 1/10UGR1
.Protection against overwinding (in mechanical clocks or watches G04B 1/20, G04B 3/06, G04B 3/10) [1, 2006.01]
G04C 1/12UGR2
. .of the spring [1, 2006.01]
G04C 1/14UGR2
. .of the weights [1, 2006.01]
G04C 3/00HGRElectromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means (clocks driven by synchronous motors G04C 15/00) [1, 2006.01]
G04C 3/02UGR1
.wherein movement is regulated by a pendulum [1, 2006.01]
G04C 3/027UGR2
. .using electromagnetic coupling between electric power source and pendulum (G04C 3/033 takes precedence) [3, 2006.01]
G04C 3/033UGR2
. .using torsion pendulumsusing conical pendulums (construction thereof G04B 17/00) [3, 2006.01]
G04C 3/04UGR1
.wherein movement is regulated by a balance [1, 2006.01]
G04C 3/06UGR2
. .using electromagnetic coupling between electric power source and balance [3, 2006.01]
G04C 3/08UGR1
.wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork [3, 2006.01]
G04C 3/10UGR2
. .driven by electromagnetic means [3, 2006.01]
G04C 3/12UGR2
. .driven by piezo-electric meansdriven by magneto-strictive means [3, 2006.01]
G04C 3/14UGR1
.incorporating a stepping motor (G04C 3/02-G04C 3/12 take precedence) [3, 2006.01]
G04C 3/16UGR1
.incorporating an electro-dynamic continuously rotating motor (G04C 3/02-G04C 3/12 take precedence) [3, 2006.01]
G04C 3/18UGR1
.incorporating electro-thermal or electro-pneumatic driving means [3, 2006.01]
G04C 5/00HGRElectric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements (regulators G04C 3/00) [1, 3, 2006.01]
G04C 9/00HGRElectrically-actuated devices for setting the time-indicating means (of slave clocks G04C 13/03; radio-controlled time-pieces G04R) [1, 3, 2006.01]
G04C 9/04UGR1
.by blocking the driving means [3, 2006.01]
G04C 9/06UGR1
.by decoupling the driving means (combined with blocking means G04C 9/04) [3, 2006.01]
G04C 9/08UGR1
.by electric drive [3, 2006.01]
G04C 10/00HGRArrangements of electric power supplies in time-pieces [3, 2006.01]
G04C 10/02UGR1
.the power supply being a radioactive source [3, 2006.01]
G04C 10/04UGR1
.with means for indicating the condition of the power supply [3, 2006.01]
G04C 11/00ZWElectric clock installationsMaster-and-slave clock systemsSynchronous-motor clocks
G04C 11/00HGRSynchronisation of independently-driven clocks (radio-controlled time-pieces G04R) [1, 2006.01]
G04C 11/04UGR1
.over a line (transmitting time signals over telephone networks H04M 11/06) [1, 2006.01]
G04C 11/06UGR1
.with direct mechanical action on the time-indicating means [3, 2006.01]
G04C 11/08UGR1
.using an electric magnet or motor [3, 2006.01]
G04C 13/00HGRDriving mechanisms for clocks by master clocks [1, 2006.01]
G04C 13/02UGR1
.Circuit arrangementsElectric clock installations [1, 2006.01]
G04C 13/03UGR2
. .Pulse transmission systems with additional means for setting the time indication of slave clocks [3, 2006.01]
G04C 13/04UGR2
. .Master clocks [1, 2006.01]
G04C 13/06UGR3
. . .Contact devices (for simultaneously winding several clocks G04C 1/00) [1, 2006.01]
G04C 13/08UGR1
.Slave clocks actuated intermittently [1, 2006.01]
G04C 13/10UGR2
. .by electromechanical step-advancing mechanisms [1, 2006.01]
G04C 13/11UGR3
. . .with rotating armature [3, 2006.01]
G04C 13/12UGR2
. .by continuously-rotating electric motors [1, 3, 2006.01]
G04C 13/14UGR2
. .by electrically-released mechanical driving mechanisms [1, 2006.01]
G04C 15/00HGRClocks driven by synchronous motors [1, 2006.01]
G04C 17/00ZWIndicating the time or producing time signals electrically
G04C 17/00HGRIndicating the time optically by electric means (G04C 19/00 takes precedence; liquid crystal materials C09K 19/00; by mechanical means G04B 19/00, G04B 19/20) [1, 3, 2006.01]
G04C 17/02UGR1
.by electric lamps [1, 2006.01]
G04C 19/00HGRProducing optical time signals at prefixed times by electric means [1, 2006.01]
G04C 19/02UGR1
.by electric lamps [1, 2006.01]
G04C 19/04UGR1
.by indicating members moved electrically, e.g. flap, band [1, 2006.01]
G04C 21/00HGRProducing acoustic time signals by electrical means [1, 2006.01]
G04C 21/02UGR1
.Constructional details (G04C 21/04, G04C 21/16 take precedence) [1, 2006.01]
G04C 21/04UGR1
.Indicating the time of the day (acoustic indication of time G04B 21/00) [1, 2006.01]
G04C 21/06UGR2
. .by striking mechanism [1, 2006.01]
G04C 21/08UGR3
. . .with snail [1, 2006.01]
G04C 21/10UGR3
. . .with locking plate [1, 2006.01]
G04C 21/12UGR2
. .by electro-acoustic means [1, 2006.01]
G04C 21/14UGR3
. . .Electro-acoustic time announcement, i.e. spoken [1, 2006.01]
G04C 21/16UGR1
.producing the signals at adjustable fixed times [1, 2006.01]
G04C 21/18UGR2
. .by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means [1, 2006.01]
G04C 21/20UGR2
. .by closing a contact to ring an electromechanical alarm [1, 2006.01]
G04C 21/22UGR3
. . .put into action by the arbor of a mechanical alarm work [1, 2006.01]
G04C 21/24UGR3
. . .put into action by the spring of a mechanical alarm work [1, 2006.01]
G04C 21/26UGR3
. . .put into action by the vibrations caused by the operation of a mechanical alarm work [1, 2006.01]
G04C 21/28UGR2
. .by closing a contact to put into action electro-acoustic means, e.g. awakening by music [1, 2006.01]
G04C 21/30UGR2
. .with provision for a number of operations at different times, e.g. ringing the bells in a school [1, 2006.01]
G04C 21/32UGR3
. . .giving indications at a number of places, each at a different time, e.g. system of alarms in a hotel [1, 2006.01]
G04C 21/34UGR2
. .Devices on watches or similar portable time-pieces [1, 2006.01]
G04C 21/36UGR2
. .Signal-repeating devices [1, 2006.01]
G04C 21/38UGR2
. .Adjusting the duration of signals [1, 2006.01]
G04C 23/00ZWE
G04C 23/00HGRClocks 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) [1, 2006.01]
G04C 23/02UGR1
.Constructional details [1, 2006.01]
G04C 23/04UGR2
. .Housings, supports, shielding, or similar stationary parts [1, 2006.01]
G04C 23/06UGR2
. .Driving or regulating means [1, 2006.01]
G04C 23/08UGR2
. .Programming means [1, 2006.01]
G04C 23/10UGR2
. .for actuating any element which operates, or initiates the operation of, the device concerned [1, 2006.01]
G04C 23/12UGR2
. .Electric circuitry [1, 2006.01]
G04C 23/14UGR1
.Mechanisms continuously running to relate the operation(s) to the time of day [1, 2006.01]
G04C 23/16UGR2
. .acting only at one preselected time or during one adjustable time interval [1, 2006.01]
G04C 23/18UGR2
. .for operating one device at a number of different times [1, 2006.01]
G04C 23/20UGR3
. . .with contacts operated, or formed, by clock hands or elements of similar form [1, 2006.01]
G04C 23/22UGR3
. . .with the actuating element carried by a disc [1, 2006.01]
G04C 23/24UGR4
. . . .the actuating element controlling another element mechanically [1, 2006.01]
G04C 23/26UGR2
. .for operating a number of devices at different times [1, 2006.01]
G04C 23/28UGR3
. . .with contacts operated, or formed, by clock hands or elements of similar form [1, 2006.01]
G04C 23/30UGR3
. . .with the actuating element carried by a disc [1, 2006.01]
G04C 23/32UGR4
. . . .the actuating element controlling another element mechanically [1, 2006.01]
G04C 23/34UGR2
. .with provision for automatic modification of the programme, e.g. on Sunday [1, 2006.01]
G04C 23/36UGR3
. . .by external influences [1, 2006.01]
G04C 23/38UGR1
.Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts [1, 2006.01]
G04C 23/40UGR2
. .using continuously-running mechanism [1, 2006.01]
G04C 23/42UGR2
. .acting only at the end of a single time interval [1, 2006.01]
G04C 23/44UGR3
. . .with provision for selection from a number of preset intervals [1, 2006.01]
G04C 23/46UGR3
. . .with provision for adjustment of the interval (G04C 23/44 takes precedence) [1, 2006.01]
G04C 23/48UGR2
. .acting at the ends of successive time intervals [1, 2006.01]
G04C 23/50UGR2
. .with provision for modification of the interval(s) by external influences [1, 2006.01]
G04C 99/00HGRSubject matter not provided for in other groups of this subclass [2006.01]