Electronic watch having a compass function

Horology: time measuring systems or devices – Combined with disparate device

Reexamination Certificate

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Details

C368S014000, C033S349000, C033S354000, C033S35500D

Reexamination Certificate

active

07113451

ABSTRACT:
The multi-function watch (1) includes a magnetic sensor assembly associated with its electronic circuits. The hands (7to9) of its display are activated by electric motors to indicate the time in a time mode and directions in a compass mode. In order to indicate simultaneously the direction of north and another pre-selected direction, particularly a heading to be followed, in a clear manner avoiding any risk of confusion between these two directions, the direction of north (N) is shown in real time by the hour (7) and minute (8) hands, aligned opposite each other to form one long hand like that of a conventional compass, whereas the direction (C) corresponding to the heading to be followed is simultaneously shown by the second hand (9), forming the desired angle (A) with the two aligned hands. In compass mode, the heading value is visible on a digital display (13), which has other functions in other modes.

REFERENCES:
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patent: 5550794 (1996-08-01), Born et al.
patent: 5596551 (1997-01-01), Born et al.
patent: 5697162 (1997-12-01), Bornand et al.
patent: 5721713 (1998-02-01), Bornand
patent: 5790477 (1998-08-01), Hauke
patent: 5883861 (1999-03-01), Moser et al.
patent: 6185157 (2001-02-01), Farine
patent: 690 697 (2000-12-01), None
patent: 0 674 247 (1995-09-01), None
patent: 0 713 162 (1996-05-01), None
patent: 0 871 096 (1998-10-01), None
European Search Report in corresponding application No. EP 05 00 5113 completed Sep. 30, 2005.

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