Indicating the time by visual means

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS

G04B19/00Indicating the time by visual means

G04B19/02Back-gearing arrangements between gear train and hands G04B19/025for simultaneous indicating on several dials G04B19/04Hands discs with a single mark or the like G04B19/042Construction and manufacture of the hands; arrangements for increasing reading accuracy G04B19/044Mounting and setting of the hands on the axle G04B19/046Indicating by means of a disc with a mark or window G04B19/048having the possibility of indicating on more than one scale G04B19/06Dials G04B19/065with several parts G04B19/08Geometrical arrangement of the graduations G04B19/082varying from the normal closed scale G04B19/085varying from the normal 12 hour arrangement G04B19/087with several separate scales G04B19/10Ornamental shape of the graduations or the surface of the dial Attachment of the graduations to the dial G04B19/103attached or inlaid numbers G04B19/106Special number markings G04B19/12Selection of materials for dials or graduations markings G04B19/14Fastening the dials to the clock or watch plates G04B19/16Shiftable dials G04B19/163numbers which are visible alternately from 1 to 12 and from 13 to 24 on the same dial G04B19/085 G04B19/166with rotating scales G04B19/18Graduations on the crystal or glass, on the bezel, or on the rim G04B19/20Indicating by numbered bands, drums, discs, or sheets G04B19/202by means of turning discs G04B19/205by means of sheets G04B19/207by means of bands G04B19/21Drums G04B19/22Arrangements for indicating different local apparent times Universal time pieces G04B19/221mechanisms for correcting the hours hand only G04B19/223with rotary disc, rotary bezel, or rotary dial G04B19/225driving mechanism for the bezel G04B19/226three-dimensionally shaped G04B19/228with linear time graduation G04B19/23by means of additional hands or additional pairs of hands G04B19/235mechanisms for correcting the additional hand or hands G04B19/24Clocks or watches with date or week-day indicators G04B19/241the date is indicated by one or more hands G04B19/243characterised by the shape of the date indicator G04B19/24306combination of different shapes G04B19/24313Independent date indicating devices activated by hand or by clockwork G04B19/2432Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement G04B19/24326driven or released stepwise by the clockwork movement G04B19/24333driven or released stepwise by an energy source which is released at determined moments by the clockwork movement G04B19/2434driven or released by their own energy source which is released at regular time intervals G04B19/24346band-shaped G04B19/24353Independent date indicating devices activated by hand or by clockwork G04B19/2436Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement G04B19/24366driven or released stepwise by the clockwork movement G04B19/24373driven or released stepwise by an energy source which is released at determined moments by the clockwork movement G04B19/2438driven or released by their own energy source which is released at regular time intervals G04B19/24386sheet-shaped G04B19/24393Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement G04B19/247disc-shaped G04B19/25Devices for setting the date indicators manually G04B19/253Driving or releasing mechanisms G04B19/25306Independent date indicating devices activated by hand or by clockwork G04B19/25313driven or released by a steady movement G04B19/2532automatically corrected at the end of mounths having less than 31 days G04B19/25326manually corrected at the end of months having less than 31 days G04B19/25333wherein the date indicators are driven or released mechanically by a clockwork movement G04B19/2534driven or released continuously by the clockwork movement G04B19/25346manually corrected at the end of months having less than 31 days G04B19/25353driven or released stepwise by the clockwork movement G04B19/2536automatically corrected at the end of months having less than 31 days G04B19/25366manually corrected at the end of months having less than 31 days G04B19/25373driven or released stepwise by an energy source which is released at determined moments by the clockwork movement G04B19/2538automatically corrected at the end of months having less than 31 days G04B19/25386manually corrected at the end of months having less than 31 days G04B19/25393driven or released by their own energy source which is released at regular time intervals G04B19/257drum-shaped or three-dimensional shaped G04B19/2571Independent date indicators activated by hand or by clockwork G04B19/2573Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement G04B19/2575driven or released stepwise by the clockwork movement G04B19/2576driven or released stepwise by an energy source which is released at determined moments by the clockwork movement G04B19/2578driven or released by their own energy source which is released at regular time intervals G04B19/26Clocks or watches with indicators for tides, for the phases of the moon, or the like G04B19/262with indicators for astrological informations G04B19/264with indicators for biological cycles G04B19/266with indicators for tides G04B19/268with indicators for the phases of the moon G04B19/28Adjustable guide marks or pointers for indicating determined points of time G04B19/283on rotatable rings G04B19/286with locking means to prevent undesired rotations in both directions G04B19/30Illumination of dials or hands G04B19/305the hands carrying the light source G04B19/32by luminescent substances G04B19/34Position of the hands projected optically