Multimode electronic timepiece having a mutually exclusive submo

Horology: time measuring systems or devices – Chronological – With manually actuated display

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Details

368 82, 368187, G04C 1700, G04C 1900

Patent

active

051405636

ABSTRACT:
The operating program of a microcomputer is adapted such that once the operator initially selects a submode, the timepiece is disposed into the first operating state of that selected submode, and actuation of any actuator other than that actuator which cycles the timepiece through its plurality of modes, will dispose the timepiece only into other operating states of the chosen submode. The selected submode's operating states are completely independent of other submode operating states and thus the operator cannot dispose the timepiece into the operating states of another submode from any of the operating states of the initially selected submode. In fact the operator cannot exit the initially selected submode unless he actuates the actuator which cycles the timepiece through its plurality of modes, which will dispose the timepiece completely out of the chronograph/countdown timer mode into its next mode.

REFERENCES:
patent: 4283784 (1981-08-01), Horan
patent: 4354260 (1982-10-01), Planzo
patent: 4398834 (1983-08-01), Nakai
patent: 4780864 (1988-10-01), Houlihan
patent: 4783773 (1988-11-01), Houlihan et al.
patent: 4887249 (1989-12-01), Thinesen
patent: 5050141 (1991-09-01), Thinesen

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