Gong for the striking work or alarm of a watch

Details Gong for the striking work or alarm of a watch Gong for the striking work or alarm of a watch

2009-04-06

2011-11-01

Kayes, Sean (Department: 2833)

Horology: time measuring systems or devices

Signalling means

Time condition responsive

C368S273000

Reexamination Certificate

active

08050149

ABSTRACT:
The gong for the striking work or alarm of a watch is configured to produce a sound within the audible frequency range when it is struck by at least one hammer. This gong is made of a material, wherein the square root of the ratio of the elasticity module of the material divided by the volumic mass of the selected material is less than 3300 m/s, so as to allow the gong to produce a rich sound, comprising a large number of partials, within the audible frequency range. The selected material may be, for example, a material having an amorphous structure, such as a metallic glass.

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Search Report issued in corresponding Swiss patent application No. 0520/08, completed Dec. 9, 2008.

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