Vorrichtung zum Erhalten von Zeitinformationen und Funkuhr

Details

Veröffentlichungs-Nr.

EP2458459

Aktenzeichen

EP11190430

Anmeldetag

24. November 2011

Veröffentlichung

1. Mai 2019

Erteilung

1. Mai 2019

Rechtsraum

EP

IPC

G04G5/00G04R20/10

Abstract

A time-information obtaining apparatus is provided with an input waveform data pattern generating unit (21,24) for sampling a received standard-time radio wave signal to generate an input waveform data pattern, an internal time counting unit (17) for generating a base time, a calculation-waveform data pattern generating unit (23) for generating plural calculation-waveform data patterns based on the base time, an invalid-bit detecting unit (31) for detecting in the plural calculation-waveform data patterns, invalid bits not to be compared with the input waveform data pattern, an error counting unit (32) for comparing the sample values of valid bits of the plural calculation-waveform data patterns with the invalid bits removed and the corresponding sample values of the input waveform data pattern to detect discrepancies between them, and a present-time correcting unit (11,26) for correcting the base time based on the calculation-waveform data pattern having the smallest number of errors.

Anmelder

Firma

Casio Computer Co., Ltd.

Land

🇯🇵 Japan

Fachgebiete