Title:
電波修正時計、電子機器、時刻修正方法および時刻修正プログラム
Document Type and Number:
Japanese Patent JP4295020
Kind Code:
B2
Abstract:
A radio-controlled timepiece includes a regional-information storage unit that stores information on a target time region, a receiving circuit that receives a standard frequency that contains UTC time information, and that outputs a received signal, a regional-time calculating unit that calculates a current time of the target time region based on the information on the target time region and the received signal, a display unit that displays the current time calculated, a display-time correcting unit that corrects the current time to be displayed in DST or in standard time in timing determined based on the current time when information on a DST switching day is included in the received signal.
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Inventors:
Takashi Ihara
Akira Takada
Yasukawa Masaaki
Masami Fukuda
Minoru Kobayashi
Akira Takada
Yasukawa Masaaki
Masami Fukuda
Minoru Kobayashi
Application Number:
JP2003163645A
Publication Date:
July 15, 2009
Filing Date:
June 09, 2003
Export Citation:
Assignee:
Citizen Holdings Co., Ltd.
International Classes:
G04G5/00; G04G9/00; G04G99/00; G04R20/08; G04R60/14
Domestic Patent References:
| JP2001235568A | ||||
| JP777587A |
Attorney, Agent or Firm:
Akinori Sakai
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