Horology: time measuring systems or devices – Plural timepiece system or system device – With wireless synchronization
Patent
1993-07-30
1996-05-28
Roskoski, Bernard
Horology: time measuring systems or devices
Plural timepiece system or system device
With wireless synchronization
G04C 1102
Patent
active
055218873
ABSTRACT:
Apparatus for providing accurate local time for one or more timed devices that depend on such time for operation. In one embodiment, a Satellite Positioning System (SATPS), such as GPS or GLONASS, provides the time signal information. In another embodiment, the time signal information is provided by telecommunication means, such as a telephone, cellular telephone or similar apparatus. The local time signal is distributed by a time signal distribution module to one or more timed devices by a wire or transmission line, by radio waves, or by direct contact with an input terminal of a timed device. The time signal distribution module may be a single station, a master station for a system of timed devices, or a portable module that can be moved from one timed device to the next.
REFERENCES:
patent: 4899117 (1990-02-01), Vig
patent: 5168478 (1992-12-01), Baker
Roskoski Bernard
Schipper John
Trimble Navigation Limited
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