G:	PHYSICS
G04:	HOROLOGY
G04G:	ELECTRONIC TIME-PIECES
G04G1/00:	Subject matter not provided for in groups
G04G1/00E:	. Pulse shaping; Amplification
G04G1/00M:	. Electronic time-pieces using a micro-computer, e.g. for multi-function clocks
G04G1/10:	. . Touch switches specially adapted for time-pieces
G04G1/02:	. Input or output devices integrated in time-pieces
G04G1/04:	. . Detectors of external physical values, e.g. temperature
G04G1/04B:	. . . for measuring physiological data[N0411]
G04G1/06:	. . using radio waves
G04G1/08:	. . using voice
G04G3/00:	Producing timing pulses
G04G3/02:	. Circuits for deriving low frequency timing pulses from pulses of higher frequency
G04G3/02B:	. . the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses in general G06F7/68
G04G3/02D:	. . by storing time-date which are periodically investigated and modified accordingly, e.g. by using cyclic shift-registers
G04G3/02E:	. . by combining pulse-trains of different frequencies, e.g. obtained from two independent oscillators or from a common oscillator by means of different frequency dividing ratios sychronisation of electric time pieces G04G7/00, G04C11/00
G04G3/04:	. Temperature-compensating arrangements
G04G5/00:	Setting, i.e. correcting or changing, the time-indication (radio-controlled time-pieces G04R)
G04G5/00B:	. brought into action by radio
G04G5/00C:	. Debouncing circuits
G04G5/00D:	. by using a separate register into which the entire correct setting is introduced, which is thereafter transferred to the time counters
G04G5/02:	. by temporarily changing the number of pulses per unit time, e.g. quick-feed method
G04G5/02B:	. . quick-feed method
G04G5/02B2:	. . . the time-counters first being reset to zero
G04G5/02C:	. . by adding or suppressing individual pulses, e.g. for step-motor
G04G5/04:	. by setting each of the displayed values, e.g. date, hour, independently
G04G5/04B:	. . Correction of the minutes counter in function of the seconds' counter position at zero adjustment of the latter
G04G5/04C:	. . using commutating devices for selecting the value, e.g. hours, minutes, seconds, to be corrected
G04G5/04C2:	. . . using a sequential electronic commutator
G04G5/04C2D:	. . . . by using a separate register into which the correct setting of one of the counters is introduced which is thereafter transferred to the selected time-counter to be reset
G04G5/04C3:	. . . by using a seperate register into which the correct setting of the selected time-counter is introduced which is thereafter transferred to the time-counter to be reset
G04G7/00:	Synchronisation (radio-controlled time-pieces G04R)
G04G7/00B:	. provided with arrangements to prevent synchronisation by interfering signals G04G7/02B takes precedence
G04G7/02:	. by radio
G04G7/02B:	. . provided with arrangements to prevent synchronisation by interfering signals
G04G7/02C:	. . the time-piece preparing itself on set times on the reception of the synchronising signal
G04G9/00:	Visual time or date indication means
G04G9/00B:	. Transmission of control signals
G04G9/00B2:	. . using coded signals synchronisation combined with automatic setting at regular intervals, e.g. by coded signals G04G7/00
G04G9/00C:	. in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light
G04G9/00D:	. by light valves in general G04G9/06, G04G9/12 takes precedence; electro-, magneto- or acousto-optic devices in general G02F1/00
G04G9/00D1:	. . Details
G04G9/00D1B:	. . . constructional
G04G9/00D1B2:	. . . . Illumination devices
G04G9/00D1C:	. . . electrical, e.g. selection or application of the operating voltage
G04G9/00D1C2:	. . . . using means to adjust the display in accordance with the ambient light, e.g. switching or controlling a supplementary light source
G04G9/00E:	. using a cathode ray tube as display device displaying supplementary informative, e.g. time on TV screen H04N5/445
G04G9/00F:	. in which functions not related to time can be displayed digital output to display devices of digital computers G06F3/14
G04G9/00F2:	. . combined with a calculator or computing means
G04G9/00G:	. in which the time in another time-zone or in another city can be displayed at will
G04G9/00H:	. by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
G04G9/00H2:	. . by controlling light sources, e.g. electroluminescent diodes
G04G9/00H3:	. . using light valves, e.g. liquid crystals
G04G9/02:	. by selecting desired character out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques G04G9/00H takes precedence
G04G9/02B:	. . using multiplexing techniques
G04G9/02C:	. . provided with date indication
G04G9/02D:	. . provided with means for displaying at will a time indication or a date or a part thereof
G04G9/04:	. . by controlling light sources, e.g. electroluminescent diodes G04G9/00E takes precedence
G04G9/04B:	. . . using multiplexing techniques
G04G9/04C:	. . . provided with date indication
G04G9/04D:	. . . provided with means for displaying at will a time indication or a date or a part thereof
G04G9/06:	. . using light valves, e.g. liquid crystals
G04G9/06B:	. . . using multiplexing techniques
G04G9/06F:	. . . using a drop of liquid suspended by capillary forces and moved by an electric field
G04G9/06G:	. . . using mechano-optical means
G04G9/08:	. by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques G04G9/00H takes precedence
G04G9/08B:	. . using multiplexing techniques
G04G9/08C:	. . provided with date indication
G04G9/08D:	. . provided with means for displaying at will a time indication or a date or a part thereof
G04G9/10:	. . by controlling light sources, e.g. electroluminescent diodes G04G9/00E takes precedence
G04G9/10B:	. . . using multiplexing techniques
G04G9/10C:	. . . provided with date indication
G04G9/10D:	. . . provided with means for displaying at will a time indication or a date or a part thereof
G04G9/12:	. . using light valves, e.g. liquid crystals
G04G9/12B:	. . . using multiplexing techniques
G04G9/12C:	. . . provided with date indication
G04G9/12D:	. . . provided with means for displaying at will a time indication or a date or a part thereof
G04G9/12G:	. . . using mechano-optical means
G04G11/00:	Producing optical signals at preselected times
G04G13/00:	Producing acoustic time signals
G04G13/02:	. at preselected times, e.g. alarm clocks
G04G13/02A:	. . Details
G04G13/02A2:	. . . Adjusting the duration or amplitude of signals
G04G13/02B:	. . acting only at one preselected time
G04G13/02C:	. . acting at a number of different times
G04G13/02D:	. . combined with a radio
G04G15/00:	Time-pieces comprising means to be operated at preselected times or after preselected time intervals
G04G15/00B:	. acting only at one preselected time or during one adjustable time interval
G04G15/00C:	. for operating at a number of different times cigar or cigarette receptacles or boxes with means for limiting the frequency of smoking A24F15/00B
G04G17/00:	Structural details ; Housings (constructional details of radio-controlled time-pieces, e.g. antennas G04R60/00 )
G04G17/00G:	. Time-pieces combined with games
G04G17/02:	. Component assemblies
G04G17/04:	. . Mounting of electronic components
G04G17/04B:	. . . Mounting of the display
G04G17/06:	. . Electric connectors, e.g. conductive elastomers
G04G17/08:	. Housings
G04G17/08B:	. . Watches distributed over several housings
G04G17/08C:	. . Desktop clocks
G04G19/00:	Electric power supply circuits specially adapted for use in electronic time-pieces
G04G19/02:	. Conversion or regulation of current or voltage
G04G19/04:	. . Capacitive voltage division or multiplication
G04G19/06:	. . Regulation
G04G19/08:	. Arrangements for preventing voltage drop due to overloading the power supply
G04G19/10:	. Arrangements for supplying back-up power
G04G19/12:	. Arrangements for reducing power consumption during storage
G04G21/00:	Input or output devices integrated in time-pieces
G04G21/02:	. Detectors of external physical values, e.g. temperature
G04G21/02B:	. . for measuring physiological data
G04G21/04:	. using radio waves (radio-controlled time-pieces G04R)
G04G21/06:	. using voice
G04G21/08:	. Touch switches specially adapted for time-pieces
G04G99/00:	Subject matter not provided for in other groups of this subclass
G04G99/00E:	. Pulse shaping; Amplification
G04G99/00M:	. Electronic time-pieces using a micro-computer, e.g. for multi-function clocks