Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP9645273ApriorityCriticalpatent/JPS5046170A/ja
Priority to GB3721274Aprioritypatent/GB1477215A/en
Publication of JPS5046170ApublicationCriticalpatent/JPS5046170A/ja
Priority to HK45179Aprioritypatent/HK45179A/xx
Priority to MY8000055Aprioritypatent/MY8000055A/xx
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step