Autonomous radio timepiece capable of automatic correction regar

Details Autonomous radio timepiece capable of automatic correction regar Autonomous radio timepiece capable of automatic correction regar

1989-12-05

1991-12-31

Miska, Vit W.

Horology: time measuring systems or devices

Plural timepiece system or system device

With wireless synchronization

455231, G04C 1102, H04B 116

Patent

active

050777068

ABSTRACT:
An autonomous radio timepiece is provided which will furnish a usable time display even when it is outside the time zone of the sender or if the timepiece is to be actuated, when it is not possible at a given point in time to receive valid time telegrams. For this, the timepiece is equipped with a manually actuated hour switch for the input of correction information in a supplemental memory, the content of which is summed together for the actual hour display with that of the hour register, possible set by radio. By actuating a START switch to a full hour, for example, synchronized with the reception of an hour synchronizing signal from another source, the content of the register is brought into a full hour position and from there, stepped forward by an internal time keeping step circuit. The receiver is actuated simultaneously in order to correct the content of the register if a valid time telegram is received. Should this not take place within a reasonable period of time, the hour setting, which possibly is displayed incorrectly, may be corrected manually by means of the hour switch, by setting its memory to the display difference required.

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