TIME CORRECTION SYSTEM

PROBLEM TO BE SOLVED: To provide a time correction system which eliminates the need to adjust the frequency of a clocking oscillator and decreases the frequency of communication for time adjustment. SOLUTION: When this system is started up, a time correction request part 15 generates a dialing reque...

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1. Verfasser: HIROSE TAKAO
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creator HIROSE TAKAO
description PROBLEM TO BE SOLVED: To provide a time correction system which eliminates the need to adjust the frequency of a clocking oscillator and decreases the frequency of communication for time adjustment. SOLUTION: When this system is started up, a time correction request part 15 generates a dialing request to a dial part 16 to dial an NTT time-casting service part 1. A speech recognition part 11 recognizes an answer of its time guide service and corrects the time of the internal timer and a time error calculation part 13 calculates the current time error. According to the time error, a time error prediction part 14 predicts the tendency of time errors and makes time corrections periodically. Thus, a communication with the NTT time-casting service is made only when the system is started up and then time corrections are automatically made thereafter inside, so that the communication cost can greatly be reduced.
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SOLUTION: When this system is started up, a time correction request part 15 generates a dialing request to a dial part 16 to dial an NTT time-casting service part 1. A speech recognition part 11 recognizes an answer of its time guide service and corrects the time of the internal timer and a time error calculation part 13 calculates the current time error. According to the time error, a time error prediction part 14 predicts the tendency of time errors and makes time corrections periodically. Thus, a communication with the NTT time-casting service is made only when the system is started up and then time corrections are automatically made thereafter inside, so that the communication cost can greatly be reduced.</description><edition>6</edition><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19990226&amp;DB=EPODOC&amp;CC=JP&amp;NR=H1153051A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19990226&amp;DB=EPODOC&amp;CC=JP&amp;NR=H1153051A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIROSE TAKAO</creatorcontrib><title>TIME CORRECTION SYSTEM</title><description>PROBLEM TO BE SOLVED: To provide a time correction system which eliminates the need to adjust the frequency of a clocking oscillator and decreases the frequency of communication for time adjustment. 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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title TIME CORRECTION SYSTEM
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