Communications: electrical – Continuously variable indicating – With meter reading
Patent
1990-09-12
1992-09-29
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082548, 4551811, 455343, 370 82, 370 951, 379 60, H04Q 100
Patent
active
051509547
ABSTRACT:
A method and apparatus for transmitting paging and absolute time information to, and receiving such information at, a remote portable electronic timepiece and pager unit during a short time slot assigned to the pager unit is disclosed. In the pager unit, an oscillator is coupled to a timer which produces a time display. These functions are constantly powered. The timer periodically causes power to be supplied to a receiver and message decoding components of the pager unit during a short time slot in which transmitted data is to be received. The receiver detects and reconstitutes a transmitted signal. The transmitted signal is processed through a decoder which extracts paging and time update data. If the paging data includes the pager unit's ID number, the unit indicates that a page has been received. The time update data extracted from the transmitted signal is used to synchronize a timer in the pager unit. The timer provides an accurate time indication for the watch function. The same timer additionally determines when power is supplied to the pager unit's receiver and message decoder components so that they will be powered during the short time slot.
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Galbi Elmer
Seiko Corporation
Seiko Epson Corp.
Yusko Donald J.
Zimmerman Brian
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