Updating device and method therefor
AssigneeETA SA Manufacture Horlogere Suisse
InventorPascal LAGORGETTE
Life of this patent
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Abstract
A method for updating (500) the date for a watch implemented by an updating device (100). The updating method (500) including storing in memory the current date (171) according to a perpetual calendar programmed on a time zone (175), receiving a second signal (181) before verifying a first signal (131) after having received the second signal (181). A comparison is carried out between the second signal (181) and the current date (171) in order to control the driving of at least one date-disc (120) with a drive member (160) if the second portion (127) is different from the current date (171) until the first sensor (130) detects a first portion (126) of the at least one date-disc (120).
Claims10
A device for updating the date for a watch, said updating device comprising:
- a memory configured to transmit the current date according to a perpetual calendar programmed on a time zone;
- at least one date-disc including a first portion and a second portion;
- a first sensor configured to transmit a first signal when said first sensor detects said second portion;
- a drive member configured to drive said at least one date-disc;
- a second sensor configured to transmit a second signal when said second sensor detects the driving of said at least one date-disc by said drive member;
- and
- a central unit configured to receive said second signal before comparing said first signal with the current date and controlling the driving of at least one date-disc with said drive member if said second portion is different from the current date until said first sensor detects said first portion of said at least one date-disc.
Dependencies are inferred from the claim text.