JP2003270370A5 - - Google Patents
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- JP2003270370A5 JP2003270370A5 JP2002072060A JP2002072060A JP2003270370A5 JP 2003270370 A5 JP2003270370 A5 JP 2003270370A5 JP 2002072060 A JP2002072060 A JP 2002072060A JP 2002072060 A JP2002072060 A JP 2002072060A JP 2003270370 A5 JP2003270370 A5 JP 2003270370A5
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- radio wave
- time data
- frequency
- reception
- radio
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- 238000000034 method Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 description 2
Description
【0008】
【課題を解決するための手段】
上記課題を解決するために、請求項1記載の発明は、基準クロック信号を計数して現在時刻データを得る計時手段と、夫々が時刻データを含みかつ周波数が異なる複数の電波を受信可能な電波受信手段と、前回の時刻修正に、前記複数の電波のうちどの周波数の電波を使用したかを記憶する記憶手段と、時刻修正タイミングに、前記電波受信手段を前記記憶手段に記憶されている周波数の電波を受信するように制御する第1の制御手段と、前記記憶手段に記憶されている周波数の電波の受信に成功したか否かを判別する第1の判別手段と、この判別手段で、正確な時刻データが得られたと判別された場合に、前記受信電波から得られた時刻データに基づいて前記現在時刻データを修正する第1の時刻修正制御手段と、前記判別手段で正確な時刻データが得られなかったと判別された場合に、前記電波受信手段を、他の周波数の電波を受信するように制御する第2の制御手段と、前記他の周波数の電波の受信に成功したか否かを判別する第2の判別手段と、この第2の判別手段で、成功と判別された場合に、前記他の周波数の電波から得られた時刻データに基づいて前記現在時刻データを修正すると共に、使用した他の周波数を前記記憶手段に記憶させる第3の制御手段と、を備えたことを特徴としている。
0008
[Means for solving problems]
In order to solve the above problems, the invention according to claim 1 is a time measuring means for counting a reference clock signal to obtain current time data, and a radio wave capable of receiving a plurality of radio waves each including time data and having a different frequency. A receiving means, a storage means for storing which frequency of the plurality of radio waves was used for the previous time adjustment, and a frequency for storing the radio wave receiving means in the storage means at the time adjustment timing. The first control means for controlling to receive the radio wave of the above, the first determination means for determining whether or not the reception of the radio wave of the frequency stored in the storage means is successful, and the determination means. When it is determined that accurate time data has been obtained, the first time correction control means for correcting the current time data based on the time data obtained from the received radio wave, and the accurate time data by the determination means. When it is determined that the above-mentioned radio wave receiving means is not obtained, the second control means for controlling the radio wave receiving means to receive the radio waves of the other frequency and whether or not the reception of the radio waves of the other frequency is successful. When the second discriminating means and the second discriminating means determine success, the current time data is corrected based on the time data obtained from the radio waves of the other frequencies, and the current time data is corrected. It is characterized by comprising a third control means for storing other used frequencies in the storage means .
また、請求項4記載の発明は、現在時刻データを得るステップと、時刻修正タイミングに、夫々が時刻データを含みかつ周波数が異なる複数の電波を受信可能な電波受信手段を、前回の時刻修正に周波数が異なる複数の電波のうちどの周波数の電波を使用したかを記憶する記憶手段に記憶されている周波数の電波を受信するように制御する第1の制御ステップと、前記記憶手段に記憶されている周波数の電波の受信が成功したか否かを判断する第1の判断ステップと、この判断ステップで、正確な時刻データが得られたと判別された場合に、前記受信電波から得られた時刻データに基づいて前記現在時刻データを修正するステップと、前記判別ステップで正確な時刻データが得られなかったと判別された場合に、前記電波受信手段を、他の周波数の電波を受信するように制御するステップと、前記他の周波数の電波の受信が成功したか否かを判断する第2の判断ステップと、この第2の判断ステップで、成功と判別された場合に、前記他の周波数の電波から得られた時刻データに基づいて前記現在時刻データを修正すると共に、使用した他の周波数を前記記憶手段に記憶させる第3の制御ステップと、を含むことを特徴としている。 Further, according to the fourth aspect of the present invention, the step of obtaining the current time data and the radio wave receiving means capable of receiving a plurality of radio waves each including the time data and having different frequencies at the time adjustment timing are used for the previous time adjustment. A first control step for controlling to receive a radio wave having a frequency stored in a storage means for storing which frequency of a plurality of radio waves having different frequencies is used, and a first control step stored in the storage means. The first determination step for determining whether or not the reception of the radio wave of the frequency is successful, and the time data obtained from the received radio wave when it is determined that accurate time data has been obtained in this determination step. When it is determined that accurate time data cannot be obtained in the step of correcting the current time data based on the above and the determination step, the radio wave receiving means is controlled to receive radio waves of other frequencies. From the radio wave of the other frequency, if it is determined to be successful in the step, the second determination step of determining whether or not the reception of the radio wave of the other frequency is successful, and the second determination step. It is characterized by including a third control step of modifying the current time data based on the obtained time data and storing other frequencies used in the storage means .
請求項2又は5記載の発明は、前記各電波は1Hzの変調波で変調されており、受信された電波の秒同期が取れていない場合には、当該電波の受信を失敗と判定することを特徴としている。According to the invention of claim 2 or 5, each radio wave is modulated by a modulated wave of 1 Hz, and if the received radio wave is not synchronized in seconds, it is determined that the reception of the radio wave is unsuccessful. It is a feature.
この請求項2又は5記載の発明によれば、例えば上記電波として、現在日本において送出されている長波標準電波を受信し、この受信した電波の秒同期が取れているかにより、電波の受信を失敗したか否かを判定することができる。即ち、受信している電波の周波数が適切でない場合には、受信開始から所定時間の電波の受信状況により、直ちに受信の失敗を判定することができる。According to the invention of claim 2 or 5, for example, as the above radio wave, a long wave standard radio wave currently transmitted in Japan is received, and reception of the radio wave fails depending on whether the received radio wave is synchronized in seconds. It can be determined whether or not it has been done. That is, if the frequency of the radio wave being received is not appropriate, it is possible to immediately determine the failure of reception based on the reception status of the radio wave for a predetermined time from the start of reception.
Claims (5)
夫々が時刻データを含みかつ周波数が異なる複数の電波を受信可能な電波受信手段と、
前回の時刻修正に、前記複数の電波のうちどの周波数の電波を使用したかを記憶する記憶手段と、
時刻修正タイミングに、前記電波受信手段を前記記憶手段に記憶されている周波数の電波を受信するように制御する第1の制御手段と、
前記記憶手段に記憶されている周波数の電波の受信に成功したか否かを判別する第1の判別手段と、
この判別手段で、正確な時刻データが得られたと判別された場合に、前記受信電波から得られた時刻データに基づいて前記現在時刻データを修正する第1の時刻修正制御手段と、
前記判別手段で正確な時刻データが得られなかったと判別された場合に、前記電波受信手段を、他の周波数の電波を受信するように制御する第2の制御手段と、
前記他の周波数の電波の受信に成功したか否かを判別する第2の判別手段と、
この第2の判別手段で、成功と判別された場合に、前記他の周波数の電波から得られた時刻データに基づいて前記現在時刻データを修正すると共に、使用した他の周波数を前記記憶手段に記憶させる第3の制御手段と、
を備えたことを特徴とする時刻データ受信装置。 Clocking means for counting the reference clock signal to obtain current time data;
Radio wave receiving means capable of receiving a plurality of radio waves each including time data and having different frequencies;
Storage means for storing which frequency radio wave of the plurality of radio waves has been used for previous time correction;
First control means for controlling the radio wave reception means to receive radio waves of the frequency stored in the storage means at time correction timing ;
First determining means for determining whether or not the reception of radio waves of the frequency stored in the storage means is successful;
First time correction control means for correcting the current time data based on the time data obtained from the received radio wave when it is determined that the correct time data is obtained by the determination means;
A second control unit configured to control the radio wave receiving unit to receive radio waves of other frequencies when it is determined by the determination unit that accurate time data can not be obtained;
A second determination unit that determines whether or not the reception of the radio wave of the other frequency is successful;
When it is determined that the second determination means is successful, the current time data is corrected based on time data obtained from the radio wave of the other frequency, and the other frequency used is stored in the storage means. Third control means for storing;
Time data receiving apparatus characterized by comprising a.
前記第1、第2の判別手段は、前記電波受信手段によって受信された電波の秒同期が取れていない場合には、当該電波の受信を失敗と判定することを特徴とする請求項1記載の時刻データ受信装置。The first and second determination means determine the reception of the radio wave as a failure when the second synchronization of the radio wave received by the radio wave reception means is not established. Time data receiver.
時刻修正タイミングに、夫々が時刻データを含みかつ周波数が異なる複数の電波を受信可能な電波受信手段を、前回の時刻修正に周波数が異なる複数の電波のうちどの周波数の電波を使用したかを記憶する記憶手段に記憶されている周波数の電波を受信するように制御する第1の制御ステップと、
前記記憶手段に記憶されている周波数の電波の受信が成功したか否かを判断する第1の判断ステップと、
この判断ステップで、正確な時刻データが得られたと判別された場合に、前記受信電波から得られた時刻データに基づいて前記現在時刻データを修正するステップと、
前記判別ステップで正確な時刻データが得られなかったと判別された場合に、前記電波受信手段を、他の周波数の電波を受信するように制御するステップと、
前記他の周波数の電波の受信が成功したか否かを判断する第2の判断ステップと、
この第2の判断ステップで、成功と判別された場合に、前記他の周波数の電波から得られた時刻データに基づいて前記現在時刻データを修正すると共に、使用した他の周波数を前記記憶手段に記憶させる第3の制御ステップと、
を含むことを特徴とする時刻データ修正方法。 Obtaining current time data,
At the time correction timing, the radio wave receiving unit capable of receiving a plurality of radio waves each including time data and having different frequencies is stored and which frequency radio wave is used among the plurality of radio waves having different frequencies in the previous time correction A first control step of controlling to receive radio waves of a frequency stored in the storage means;
A first determination step of determining whether the reception of radio waves of the frequency stored in the storage means is successful;
Correcting the current time data based on the time data obtained from the received radio wave when it is determined in the determination step that the correct time data has been obtained;
Controlling the radio wave receiving means to receive radio waves of another frequency when it is determined that accurate time data can not be obtained in the determination step;
A second determination step of determining whether the reception of the radio wave of the other frequency is successful;
In the second determination step, when it is determined to be successful, the current time data is corrected based on time data obtained from the radio wave of the other frequency, and the other frequency used is stored in the storage means. A third control step for storing
The time data correction method characterized by including.
前記第1、第2の判断ステップは、前記電波受信手段によって受信された電波の秒同期が取れていない場合には、当該電波の受信を失敗と判断することを特徴とする請求項4記載の時刻データ修正方法。 The radio wave including the time code is modulated by a modulation wave of 1 Hz,
5. The first and second determination steps according to claim 4, wherein, when the second synchronization of the radio wave received by the radio wave receiving means is not achieved, the reception of the radio wave is judged as failure. Time data correction method.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002072060A JP2003270370A (en) | 2002-03-15 | 2002-03-15 | Time data receiving device and time data correcting method |
CNB031216684A CN1181414C (en) | 2002-03-15 | 2003-03-14 | Time data receiving device and method for correcting time data |
HK04102340A HK1059480A1 (en) | 2002-03-15 | 2004-03-31 | Time data receiving device and method for correcting time data. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002072060A JP2003270370A (en) | 2002-03-15 | 2002-03-15 | Time data receiving device and time data correcting method |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2003270370A JP2003270370A (en) | 2003-09-25 |
JP2003270370A5 true JP2003270370A5 (en) | 2005-06-09 |
Family
ID=28035152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002072060A Abandoned JP2003270370A (en) | 2002-03-15 | 2002-03-15 | Time data receiving device and time data correcting method |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2003270370A (en) |
CN (1) | CN1181414C (en) |
HK (1) | HK1059480A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3594034B1 (en) | 2003-03-04 | 2004-11-24 | セイコーエプソン株式会社 | Radio-controlled clock |
WO2005062137A1 (en) | 2003-12-24 | 2005-07-07 | Citizen Watch Co., Ltd. | Radio controlled clock, electronic device and time correction method |
JP2005227203A (en) | 2004-02-16 | 2005-08-25 | Citizen Watch Co Ltd | Radio controlled watch and its control method |
JP2005241403A (en) * | 2004-02-26 | 2005-09-08 | Citizen Watch Co Ltd | Auxiliary antenna system of radio-controlled watch, and the radio-controlled watch |
DE102004018881B4 (en) * | 2004-04-15 | 2006-03-02 | Junghans Uhren Gmbh | Radio-controlled wristwatch with means for decoding signals from time signal transmitters from several time zones |
JP3876898B2 (en) * | 2004-07-28 | 2007-02-07 | カシオ計算機株式会社 | Radio wave receiving apparatus and radio wave receiving circuit |
JP4349247B2 (en) * | 2004-09-30 | 2009-10-21 | カシオ計算機株式会社 | Time information receiving apparatus and time information receiving control method |
JP2006177928A (en) | 2004-11-25 | 2006-07-06 | Seiko Instruments Inc | Radio controlled timepiece |
JP4862558B2 (en) * | 2006-08-25 | 2012-01-25 | セイコーエプソン株式会社 | Timing device |
JP5386786B2 (en) * | 2007-03-26 | 2014-01-15 | カシオ計算機株式会社 | Time information receiver and radio clock |
JP5099185B2 (en) * | 2010-07-28 | 2012-12-12 | カシオ計算機株式会社 | Time information acquisition device and radio clock |
CN102752556B (en) * | 2012-02-28 | 2017-11-10 | 新奥特(北京)视频技术有限公司 | A kind of method of competition data monitoring |
JP6123216B2 (en) * | 2012-10-09 | 2017-05-10 | セイコーエプソン株式会社 | Radio correction clock |
CN114995886B (en) * | 2021-09-26 | 2023-04-11 | 荣耀终端有限公司 | Memory card identification method and electronic equipment |
-
2002
- 2002-03-15 JP JP2002072060A patent/JP2003270370A/en not_active Abandoned
-
2003
- 2003-03-14 CN CNB031216684A patent/CN1181414C/en not_active Expired - Lifetime
-
2004
- 2004-03-31 HK HK04102340A patent/HK1059480A1/en not_active IP Right Cessation
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