Horology: time measuring systems or devices – Astronomical
Reexamination Certificate
2005-05-31
2005-05-31
Miska, Vit W. (Department: 2841)
Horology: time measuring systems or devices
Astronomical
C368S017000, C368S027000
Reexamination Certificate
active
06901032
ABSTRACT:
Disclosed is a timepiece from which a sunrise and sunset time along with the position of the sun can be determined. The sunrise time and the sunset time are changed according to the season and the latitude of the place where one man the time. People acquire the sunrise and sunset time from the news of a television or a newspaper. According to the enlargement of cities, underground activities and the degree of building closure are increased to shield the sun. The timepiece of the present invention comprises a circular hour plate which rotates once per 24 hours. Also included is a sunrise and sunset time designating section (21) for indicating the sunrise time and the sunset time for each month. Through the timepiece of the present invention, the present time, the position of the sun at the present time, the sunrise and sunset time can be appreciated. In particular, the external state of the day or night can be easily distinguished by the people in the underground and in a closed building, through using the timepiece of the present invention.
REFERENCES:
patent: 4435640 (1984-03-01), Micheletto
patent: 4551027 (1985-11-01), Spruck
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patent: 5023849 (1991-06-01), Vaucher
patent: 5253225 (1993-10-01), Vaucher
patent: 5631878 (1997-05-01), Chen
patent: 43 39 220 (1995-05-01), None
Choi Jang-sung
Eo Yoon-hyoung
Miska Vit W.
Timespace System Co. Ltd.
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