Patent · US Active

Moon-phase display device

US12007719B2 · kind B2 · utility

0Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 2019
Grant dateJun 11, 2024
Priority date
Expiry dateJul 19, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04B19/268
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Device for displaying phases of the moon with a fist display member (80) bearing a plurality of first images (81-86) at least partially representing the moon, a display zone, driving means (22, 23, 25, 40, 41, 43, 63, 71, 72, 61, 62) arranged to displace, by successive jumps, the first display member (80) relative to the display zone, to display a succession of representations of the moon. An original feature of the invention is that the periods of display of the first images are not all equal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.