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Priority claimed from FR8294Aexternal-prioritypatent/FR1442363A/fr
Application filedfiledCritical
Publication of CH315166A4publicationCriticalpatent/CH315166A4/xx
Publication of CH456472ApublicationCriticalpatent/CH456472A/fr
G04C21/00—Producing acoustic time signals by electrical means
G04C21/02—Constructional details
G—PHYSICS
G04—HOROLOGY
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B19/00—Indicating the time by visual means
G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
G—PHYSICS
G04—HOROLOGY
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
G—PHYSICS
G04—HOROLOGY
G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
G04C21/00—Producing acoustic time signals by electrical means
G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
G—PHYSICS
G04—HOROLOGY
G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
G04C21/00—Producing acoustic time signals by electrical means
G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
G04C21/38—Adjusting the duration of signals
G—PHYSICS
G04—HOROLOGY
G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
G04C23/02—Constructional details
G04C23/06—Driving or regulating means
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Electromechanical Clocks
(AREA)
CH315166A1965-04-131966-03-04Réveil électrique à fonctionnement automatique
CH456472A
(fr)