Invention Grant
US07782718B2 Analogue time display for motor vehicle 有权
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Analogue time display for motor vehicle
Abstract:
The invention concerns an electronic watch including analogue display means formed of at least one hand (10) driven by a stepping motor (12), at least one time base (24, 26) for providing time data (h. m) to means (16) for controlling and driving said stepping motor, a main power source (20), means (22) for detecting a lack of sufficient power from said main power source, non-volatile storage means (32) powered by an additional power source (28), for containing said time data when a lack of sufficient power is detected, and characterized in that said non-volatile storage means are further provided for containing the stepping motor position data (μpas) when said lack of sufficient power is detected.
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