Method for encoding and transmission of at least one solar time

A coding method, a technology of a transmission method, applied in the field of coding and transmitting at least one solar time, capable of solving problems such as watch cost and impact on battery life, complex processors, etc.

Active Publication Date: 2020-02-11
ETA SA MFG HORLOGERE SUISSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]However, these watches have disadvantages, including that their computing power is suitable for determining the precise time based on the day of the year and the geographic location of the watch wearer The algorithmic complexity of the processor
Additionally, incorporating a positioning system into a watch has a significant impact on the cost and battery life of the watch

Method used

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  • Method for encoding and transmission of at least one solar time
  • Method for encoding and transmission of at least one solar time
  • Method for encoding and transmission of at least one solar time

Examples

Experimental program
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Embodiment Construction

[0016] Structurally or functionally identical elements appearing in various figures retain the same reference numerals unless otherwise stated.

[0017] · Encoding method P1

[0018] refer to figure 1 and figure 2 A method P1 for encoding a solar time called initial solar time Hs1 is described. The encoding method P1 is suitable for implementation by an electronic device of the smartphone type.

[0019] The initial solar time Hs1 is associated with the geographical location Loc and with a day of the year J1 eg of the current year. In a non-limiting example, geographic location Loc corresponds to the city of Ottawa, and day J1 is January 1 (at figure 2 marked as 1). The initial solar time Hs1 is one of the following types: sunrise (ls), zenith (h) or sunset (cs).

[0020] Such as figure 1 As shown, the encoding method P1 includes the following steps:

[0021] In a step E11 labeled SEL(Href, Nb1 ), the reference time Href and the initial number of digits Nb1 are select...

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Abstract

The invention relates to a method for encoding a solar time (P1) called initial solar time (Hs1). The solar time is associated with a geographical location (Loc) and with a day (J1) of the year, wherein the method includes selecting SEL (Href, Nb1) a reference time (Href) and an initial number of bits (Nb1) as a function of the type of initial solar time (Hs), computing CALC (Nm1) a number of minutes (Nm1) separating the initial solar time (Hs1) and the reference time (Href), coding COD(Hs1) the number of minutes (Nm1) in the initial number of bits (Nb1).

Description

technical field [0001] The invention relates to a method of encoding at least one solar time and a method of transmitting at least one solar time related to a day of the year based on a geographical location. "Solar time" means, for example, sunrise time, sunset time or zenith time. Background technique [0002] Day length varies throughout the year and depends on the latitude and longitude of the location. This variation is caused by the tilt of the Earth's own axis of rotation relative to the plane of the ecliptic. The shortest day length is known to be the winter solstice in the northern hemisphere and the summer solstice in the southern hemisphere. At an equinox, the length of the day is equal to the length of the night anywhere on Earth. Therefore, the times of sunrise and sunset vary not only based on the day of the year, but also based on the precise geographic location of the place. [0003] Electronic and / or connected watches are known to indicate the time of su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00G04B47/06
CPCH04L1/0041H04L1/0043G04B47/06G04B19/26G04B49/00G04G9/0076G04G5/04G04R20/06
Inventor T·博内J·胡萨克
Owner ETA SA MFG HORLOGERE SUISSE
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