MY121567A - Synchronization of a timepiece to a reference time. - Google Patents

Synchronization of a timepiece to a reference time.

Info

Publication number
MY121567A
MY121567A MYPI9502973A MY121567A MY 121567 A MY121567 A MY 121567A MY PI9502973 A MYPI9502973 A MY PI9502973A MY 121567 A MY121567 A MY 121567A
Authority
MY
Malaysia
Prior art keywords
time
signal
timepiece
correct
transmission
Prior art date
Application number
Inventor
Roger John La Salle
Original Assignee
H P M Technologies Pty Ltd Acn 076 747 807
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by H P M Technologies Pty Ltd Acn 076 747 807 filed Critical H P M Technologies Pty Ltd Acn 076 747 807
Publication of MY121567A publication Critical patent/MY121567A/en

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  • Electric Clocks (AREA)

Abstract

A METHOD AND APPARATUS FOR SYNCHRONIZING A TIMEPIECE TO A REFERENCE TIME INCLUDES THE PREPARATION (10) OF AN ENCODED AND/OR ENCRYPTED SIGNAL FOR TRANSMISSION FROM A PAGING NETWORK (12) TRANSMITTER (14, 16). THE SIGNAL, WHICH CONTAINS A TIME MESSAGE AND INFORMATION ON DAYLIGHT SAVING CHANGES AND CORRECTION TO UTC TIME, IS TRANSMITTED A NUMBER OF TIMES IN A TWENTY-FOUR HOUR PERIOD, WITH BRIEF INTERVALS BETWEEN EACH TRANSMISSION. A TIMEPIECE (18, 22) HAS A RECEIVER AND CONTROL CIRCUITRY (34) WHICH RECEIVE AND DECODE THE SIGNAL. THE DECODE TIME INFORMATION IS USED TO AUTOMATICALLY SET THE TIME OF THE TIMEPIECE (18, 22) TO THE CORRECT TIME FOR A PREDETERMINED TIME ZONE. A LOCALITY SWITCH IS PROVIDED ON THE TIMEPLIECE (18, 22) TO DETERMINE WHICH TIME IS TO BE DISPLAYED (20, 24). TO CORRECT FOR DELAYS WHICH MAY BE ENCOUNTERED IN QUEUING AND TRANSMISSION, A SECOND SIGNAL MAY BE TRANSMITTED AS A RESULT OF THE FIRST SIGNAL BEING RECEIVED BY A MONITOR, THE SECOND SIGNAL INCLUDING INFORMATION ABOUT THE TIME OF RECEIPT OF THE FIRST SIGNAL BY THE MONITOR, SUCH THAT THE TIMEPIECE, UPON RECEIPT OF THE SECOND SIGNAL, IS ABLE TO CORRECT FOR ANY DELAYS, AND TO THEN DISPLAY ACCURATE TIME.(FIG. 1)
MYPI9502973 1995-06-05 1995-10-04 Synchronization of a timepiece to a reference time. MY121567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPN3343A AUPN334395A0 (en) 1995-06-05 1995-06-05 Improvements in the synchronization of a timepiece to a reference time

Publications (1)

Publication Number Publication Date
MY121567A true MY121567A (en) 2006-02-28

Family

ID=3787684

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9502973 MY121567A (en) 1995-06-05 1995-10-04 Synchronization of a timepiece to a reference time.

Country Status (3)

Country Link
AU (1) AUPN334395A0 (en)
MY (1) MY121567A (en)
SG (1) SG66206A1 (en)

Also Published As

Publication number Publication date
AUPN334395A0 (en) 1995-06-29
SG66206A1 (en) 1999-07-20

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