Timepiece with a calendar display

Horology: time measuring systems or devices – With calendar indicator – Movable ring or disk

Reexamination Certificate

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Details

C368S028000

Reexamination Certificate

active

11427839

ABSTRACT:
A timepiece, includes a Chinese calendar display device indicating lunar date and lunar month, taking account of bissextile months, and: a control lever actuated each day by a drive wheel of the timepiece movement; a lunar month indicator associated with a month star-wheel; a lunar date indicator associated with a date wheel set including a date wheel moved forward one step each day by the control lever, a lunar month length indicator coupled to a selector, having two positions manually controlled and alternately defining two different stop positions for the lever, respectively corresponding to a long month and to a short month, the control lever moves the date wheel forward one extra step at the end of short months; and a month indicator coupled to a bissextile month selector, having two positions manually controlled and that moves the month star—wheel back one step at the start of bissextile months.

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Austrian Search Report issued in corresponding application No. 200604187-5, completed Dec. 11, 2006.
Dershowitz, Nachum and Reingold, Edward, “The Chinese Calendar,” (identified on p. 1 of the present specification as “Calendrical Calculations”), Cambridge University Press, 1997, pp. 243-264.
Alasken, Helmer, “The Mathematics of the Chinese Calendar,” Mar. 29, 2006, pp. 1-52.
“Mathematica-Compatible Notebook,” pp. 1-56 printed Jul. 13, 2006 from the website http://www.math.nus.edu.sg/alasken/cale. . . .
European Search Report issued in corresponding application No. EP 05 01 4135, completed Mar. 22, 2006.

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