Swatch Group. has filed a patent for a method of time setting a sympathetic watch using a sympathetic clock. The clock positions a transmission line to correspond with the desired time setting and actuates a transmission line in successive steps to achieve precise display of the current time. GlobalData’s report on Swatch Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Swatch Group, HEV energy management was a key innovation area identified from patents. Swatch Group's grant share as of September 2023 was 54%. Grant share is based on the ratio of number of grants to total number of patents.

Method for time setting a sympathetic watch by a clock

Source: United States Patent and Trademark Office (USPTO). Credit: The Swatch Group Ltd

A recently filed patent (Publication Number: US20230315023A1) describes a method for step-by-step time setting of a sympathetic watch by a sympathetic clock. The patent outlines a method for accurately setting the time on a watch using a clock that is connected to the watch through two transmission lines. One transmission line is used for power or movement transfer, while the other is used for selecting functions or adjusting display variables. The watch is placed in a receptacle in the clock, and the clock performs the time setting either when the watch is placed on the receptacle, at a predetermined time, or upon control of a horological movement in the clock.

The method involves determining a predetermined time-setting step value and positioning the transmission line in a corresponding position. The clock then actuates the transmission line in successive steps, each corresponding to the predetermined step value, to achieve the precise display of the current time on the watch. The patent also describes the use of a corrector, a rocker lever, and a jumper mechanism in the watch to facilitate the time-setting process.

The patent further explains that the clock can also perform a first coiling of the watch to ensure a predetermined battery life when the watch is removed from the clock. Additionally, the method allows for the control of the time-setting process through a stop control mechanism in the clock, which controls the stop mechanism of the watch and the transfer of torque to release the resonator.

The patent also describes various configurations and mechanisms that can be used to implement the step-by-step time setting method, including the use of a star and jumper mechanism, a coupling mechanism between display and finishing gear trains, and the integration of the star with the minute cannon-pinion.

Overall, the patent presents a detailed method for accurately setting the time on a sympathetic watch using a sympathetic clock. The method involves precise positioning of transmission lines, actuation of the watch mechanisms, and control of the time-setting process through various mechanisms in the clock.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.