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US 2006/0067166 A1Published application
Radio-wave timepieces and time information receivers
AssigneeCasio Computer Co., Ltd.
InventorsYoshiyuki Murata, Kaoru Someya
Life of this patent
Estimating the term…
Abstract
When lack of a part data on a time code included in a received standard radio wave is detected, the lack is filled up with a corresponding data part of another time code. The time of a radio-wave timepiece is corrected in accordance with the time code whose lack has been filled up.
Claims22
A radio-wave receiver comprising:
- means for counting time;
- means for receiving part of a transmitted standard radio wave that includes time data modulated in units of a frame;
- means for detecting a particular one of a plurality of items of identification data disposed at predetermined intervals of time in the frame;
- and
- means for correcting the time being counted by the time counting means based on a time when the particular one of identification data was detected by the detecting means.
2 more elements
A radio-wave timepiece comprising:
- means for counting time;
- means for receiving part of a transmitted standard radio wave that includes time data modulated in units of a frame;
- means for detecting a particular one of a plurality of items of identification data disposed at predetermined intervals of time in the frame;
- means for correcting the time being counted by the time counting means based on a time when the particular one of identification data was detected by the detecting means;
- and
- means for displaying the present time counted by the time counting means.
3 more elements
A radio-wave reception integrated circuit comprising:
- a reception circuit for receiving part of a transmitted standard radio wave that includes time data modulated in units of a frame;
- a detection circuit for detecting a particular one of a plurality of items of identification data disposed at predetermined intervals of time in the frame;
- and
- a correction circuit for correcting the time being counted based on a time when the particular one of identification data was detected by the detection circuit.
1 more element
A time information receiver comprising:
- means for receiving a standard radio wave carrying a standard time code having a normalized standard time format;
- means for counting time whose part involves a date;
- means for causing the receiving means to receive the standard radio wave and, for correcting the time counted by the time counting means by applying a quantity of time correction to the counted time in accordance with the time code of the received radio wave such that the counted time coincides with the time of the received radio wave;
- means for calculating an expected date when an error involving the time counted by the time counting means becomes a predetermined allowable error limit time based on the time when the time counted by the time counting means was corrected by the time correcting means and the quantity of correction time applied to the counted time;
- and
- the causing means comprising means, responsive to the time counted by the time counting means arriving at the expected date calculated by the calculating means, for causing the receiving means to receive the standard radio wave and for correcting the time counted by the time counting means in accordance with the time code of the received standard radio wave.
3 more elements
A time information receiver comprising:
- means for receiving a standard radio wave carrying a standard time code in a normalized standard time format;
- means for counting time whose part involves a date;
- means for causing the receiving means to receive the standard radio wave and for correcting a “second” part of the time counted by the time counting means based on a time where identification data disposed at a predetermined position in the standard time format was received;
- means for determining a to-be-corrected part of data on the time counted by the time counting means excluding a “second” part of the time;
- means for specifying a part of the standard time format which the to-be-corrected data part determined by the determining means occupies;
- means for calculating in units of a second a time when the part of the standard time format specified by the specifying means is received based on a position of the specified part in the standard time format;
- and
- mean, responsive to the time counted by the time counting means arriving at the time calculated by the calculated means, for causing the receiving means to receive the standard radio wave, and for correcting the to-be-corrected data determined by the determining means based on the part of the time code of the received radio wave specified by the specifying means.
5 more elements
A time information receiver comprising:
- means for receiving a standard radio wave carrying a standard time code in a normalized standard time format;
- means for counting time whose part involves a date;
- means for determining a to-be-corrected part of data on the time counted by the time counting means;
- means for specifying a part of the standard time format that corresponds to the to-be-corrected data determined by the determining means based on turns of a plurality of items of identification data disposed at predetermined intervals of time in the standard time format;
- and
- means for causing the receiving means to receive the standard radio wave, and for correcting the to-be-corrected data determined by the determining means based on the part of the standard time format specified by the specifying means.
3 more elements
A time information receiver comprising:
- means for counting time whose part involves a date;
- means for receiving a standard radio wave;
- means for detecting a specified signal included in a time code of the standard radio wave received by the receiving means;
- and
- means for correcting a “second” part of the time being counted by the time counting means based on the specified signal detected by the detecting means.
2 more elements
A time information receiver comprising:
- means for counting time;
- means for receiving a standard radio wave;
- means for causing the receiving means to receive the standard radio wave, thereby acquiring a time code from the radio wave;
- means for detecting a lack of o'clock and minute data included in the time code acquired by the acquiring means;
- means, responsive to the detecting means detecting the lack of of o'clock and minute data based on the first-mentioned and new time receiving means to receive the standard radio wave again, thereby acquiring a new time code from the radio wave and for filling up the lack of o'clock and minute data based on the first-mentioned and new time codes acquired by the acquiring means;
- and
- means for correcting the time being counted by the time counting means with the time code whose lack of o'clock and minute data was filled up by the filling-up means.
4 more elements
A time information receiver comprising:
- means for counting time whose part involves a day of the week;
- means for receiving a standard radio wave;
- means for causing the receiving means to receive the standard radio wave, thereby acquiring a time code from the radio wave;
- means for detecting a lack of day of the week data included in the acquired time code;
- means, responsive to the detecting means detecting the lack of day of the week data, for filing up the lack of day of the week data based on year data and day of the year data included in the time code acquired by the acquiring means;
- and
- means for correcting the time being counted by the time counting means with the time code whose lack of day of the week data was filled up by the filing-up means.
4 more elements
A time information receiver comprising:
- means for counting time;
- means for receiving a standard radio wave;
- means for causing the receiving means to receive the standard radio wave, thereby acquiring a time code from the radio wave;
- means for detecting a lack of a particular one of a plurality of items of identification data disposed in predetermined intervals of time in the acquired time code according to the standard of the standard radio wave;
- means, responsive to the detecting means detecting the lack of a particular item of identification data, for filling up the lack of a particular item of identification data based on another one of the plurality of items of identification data and the predetermined intervals of time included in the time code acquired by the acquiring means;
- and
- means for correcting the time being counted by the time counting means with the time code whose lack of a particular item of identification data was filled up by the filling-up means.
4 more elements
A time information receiver comprising:
- means for counting time;
- means for receiving a standard radio wave;
- means for causing the receiving means to receive the standard radio wave, thereby acquiring a time code from the radio wave;
- means for detecting a lack of a particular one of a plurality of items of identification data inserted at predetermined intervals of time according to the standard of the standard radio wave in the time code acquired by the acquiring means, the particular item of identification being adjacent to head data of the time code;
- means, responsive to the detecting means detecting the lack of a particular item of identification data, for filling up the lack of the particular item of identification data based on head data of the time code;
- and
- means for correcting the time being counted by the time counting means with the time code whose lack of a particular item of identification was filled by the filling-up means.
4 more elements
A time information receiver, comprising:
- means for counting time;
- means for receiving a standard radio wave, thereby acquiring a time code from the radio wave;
- means for determining a to-be-corrected part of data on the time counted by the time counting means;
- means for determining a part of the time code of the standard wave corresponding to the to-be-corrected part of data on the time determined by the determining means and for determining a time when the standard radio wave should be received to obtain the part of the time code, based on the time being counted by the time counting means and an error involving the time being counted;
- means for causing the receiving means to receive the standard radio wave at the time determined by the determining means, thereby acquiring the determined part of the time code;
- and
- means for correcting the determined to-be-corrected part of data on the time with the part of the time code acquired by the causing means, thereby correcting the time being counted by the time counting means.
4 more elements
A time information receiver comprising:
- means for counting time whose part involves o'clock, minutes and seconds;
- means for receiving a standard radio wave including a time code, thereby acquiring the time code;
- means for detecting a lack of time data included in the time code acquired by the acquiring means;
- means, responsive to the detecting means detecting the lack of the time data included in the time code, for filling up the lack with corresponding time data of a normal time code acquired beforehand by the receiving means;
- and
- means for correcting the time being counted by the time counting means based on the time code whose lack of time data was filled up by the filling-up means.
3 more elements
A time information receiver comprising:
- means for counting time whose part involves day of the week;
- means for receiving a standard radio wave including a time code, thereby acquiring the time code;
- means for detecting a lack of day of the week data included in the time code acquired by the acquiring means;
- means, responsive to the detecting means detecting the lack of day of the week data, for filling up the lack of day of the week data included in the time code based on year data and day of the year data included in a normal time code beforehand acquired by the receiving means;
- and
- means for correcting the time being counted by the time counting means based on the time code whose lack of day of the week data was filled up by the filling-up means.
3 more elements
A time information receiver comprising:
- means for counting time whose part involves o'clock, minutes and seconds;
- means for receiving a standard radio wave including a time code, thereby acquiring the time code;
- means for detecting a lack of a particular one of a plurality of items of identification data disposed in the acquired time code according to the standard of the standard radio wave;
- means, responsive to the detecting means detecting the lack of a particular item of the identification data, for filling up the lack of a particular item of identification data with another normal one of the plurality of items of identification data;
- and
- means for correcting the time being counted by the time counting means based on the time code whose lack of a particular item of identification data was filled up by the filling-up means.
3 more elements
A time information receiver comprising:
- means for counting time whose part involves o'clock, minutes and seconds;
- means for receiving a standard radio wave including a time code, thereby acquiring the time code;
- means for detecting a lack of a particular one of a plurality of items of identification data disposed in the acquired time code according to the standard of the standard radio wave, the particular item of identification:
- data being adjacent to head data of the time code;
- means, responsive to the detecting means detecting the lack of a particular item of identification data, for filling up the lack of a particular item of identification data with corresponding head data part of a time code acquired beforehand by the receiving means;
- and
- means for correcting the time being counted by the counting means based on the time code whose lack of a particular item of identification data was filled up by the filling-up means.
4 more elements
A time information receiver, comprising:
- means for counting time whose part involves o'clock, minutes and seconds;
- means for receiving a standard radio wave including a time code, thereby acquiring a time code from the radio wave;
- means for determining a to-be-corrected part of data on the time counted by the time counting means;
- means for determining a part of the time code corresponding to the to-be-corrected part of data on the time determined by the determining means and for determining a time when the determined time code part should be received, based on the time being counted by the time counting means and an error involving the time being counted;
- means for causing the receiving means to receive the standard radio wave at the time determined by the determining means, thereby acquiring the determined part of the time code;
- and
- means for correcting the determined to-be-corrected part of data on the time with the determined time code part of the time code acquired by the receiving means, thereby correcting the time being counted by the time counting means.
4 more elements
Dependencies are inferred from the claim text.