US 12,306,590 B2
Temperature control for a timepiece
Christiane Gimkiewicz, Ismaning (DE)
Assigned to Omega SA, Biel/Bienne (CH)
Filed by Omega SA, Biel/Bienne (CH)
Filed on Oct. 10, 2022, as Appl. No. 17/962,866.
Claims priority of application No. 21217076 (EP), filed on Dec. 22, 2021.
Prior Publication US 2023/0195042 A1, Jun. 22, 2023
Int. Cl. G04B 43/00 (2006.01); G05D 23/19 (2006.01)
CPC G04B 43/005 (2013.01) [G05D 23/19 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A temperature control device for a timepiece, comprising:
a first light-transmitting portion, and a second portion defining with said first portion an intermediate chamber of variable dimensions in an axial direction and/or a radial direction depending on the temperature of said first portion, wherein said first portion includes a plurality of first microlouvers according to a first spatial distribution, and said second portion includes a plurality of second microlouvers according to a second spatial distribution, said first and second portions provided with these first and second microlouvers being configured to move in relation to one another, thus varying the transmission and/or the reflection of said light on said first portion between a maximum and a minimum.