IPC-Stelle: G04G 21/04 [Version 2017.01]

SymbolTypTitel
GSKPHYSICS
G04KLHOROLOGY
G04GUKLELECTRONIC TIME-PIECES [3]
G04G 3/00HGRProducing timing pulses (driving circuits for stepping motors G04C 3/14; producing preselected time intervals for use as timing standards G04F 5/00; pulse technique in general H03K; control, synchronisation, or stabilisation of generators in general H03L) [3, 2006.01]
G04G 3/02UGR1
.Circuits for deriving low frequency timing pulses from pulses of higher frequency (pulse frequency dividers in general H03K 23/00-H03K 29/00) [3, 2006.01]
G04G 3/04UGR1
.Temperature-compensating arrangements [7, 2006.01]
G04G 5/00HGRSetting, i.e. correcting or changing, the time-indication (radio-controlled time-pieces G04R) [3, 2006.01, 2013.01]
G04G 5/02UGR1
.by temporarily changing the number of pulses per unit time, e.g. quick-feed method [3, 2006.01]
G04G 5/04UGR1
.by setting each of the displayed values, e.g. date, hour, independently [3, 2006.01]
G04G 7/00HGRSynchronisation (radio-controlled time-pieces G04R) [3, 2006.01]
G04G 9/00HGRVisual time or date indication means [3, 2006.01]
G04G 9/02UGR1
.by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques [3, 2006.01]
G04G 9/04UGR2
. .by controlling light sources, e.g. electroluminescent diodes [3, 2006.01]
G04G 9/06UGR2
. .using light valves, e.g. liquid crystals [3, 2006.01]
G04G 9/08UGR1
.by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques [3, 2006.01]
G04G 9/10UGR2
. .by controlling light sources, e.g. electroluminescent diodes [3, 2006.01]
G04G 9/12UGR2
. .using light valves, e.g. liquid crystals [3, 2006.01]
G04G 11/00HGRProducing optical signals at preselected times [3, 2006.01]
G04G 13/00HGRProducing acoustic time signals [3, 2006.01]
G04G 13/02UGR1
.at preselected times, e.g. alarm clocks [3, 2006.01]
G04G 15/00HGRTime-pieces comprising means to be operated at preselected times or after preselected time intervals (G04G 11/00, G04G 13/00 take precedence; pulse delay circuits H03K 5/13; electronic time-delay switches H03K 17/28; electronic time-programme switches which automatically terminate their operation after the programme is completed H03K 17/296; time programming for television signal recording H04N 5/761) [3, 2006.01]
G04G 17/00HGRStructural details; Housings (constructional details of radio-controlled time-pieces, e.g. antennas G04R 60/00) [7, 2006.01, 2013.01]
G04G 17/02UGR1
.Component assemblies [7, 2006.01]
G04G 17/04UGR2
. .Mounting of electronic components [7, 2006.01]
G04G 17/06UGR2
. .Electric connectors, e.g. conductive elastomers [7, 2006.01]
G04G 17/08UGR1
.Housings [7, 2006.01]
G04G 19/00HGRElectric power supply circuits specially adapted for use in electronic time-pieces [7, 2006.01]
G04G 19/02UGR1
.Conversion or regulation of current or voltage [7, 2006.01]
G04G 19/04UGR2
. .Capacitive voltage division or multiplication [7, 2006.01]
G04G 19/06UGR2
. .Regulation [7, 2006.01]
G04G 19/08UGR1
.Arrangements for preventing voltage drop due to overloading the power supply [7, 2006.01]
G04G 19/10UGR1
.Arrangements for supplying back-up power [7, 2006.01]
G04G 19/12UGR1
.Arrangements for reducing power consumption during storage [7, 2006.01]
G04G 21/00HGRInput or output devices integrated in time-pieces [2010.01]
G04G 21/02UGR1
.Detectors of external physical values, e.g. temperature [2010.01]
G04G 21/04UGR1
.using radio waves (radio-controlled time-pieces G04R) [2010.01, 2013.01]
G04G 21/06UGR1
.using voice [2010.01]
G04G 21/08UGR1
.Touch switches specially adapted for time-pieces [2010.01]
G04G 99/00HGRSubject matter not provided for in other groups of this subclass [2010.01]