Horology: time measuring systems or devices – Plural time zones
Reexamination Certificate
1999-12-07
2001-06-05
Miska, Vit (Department: 2859)
Horology: time measuring systems or devices
Plural time zones
C368S027000
Reexamination Certificate
active
06243324
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a universal digital time disk, particularly to a disk printed with 24 time zones and name of 4 continents in its central portion, as well as ordinal number of each time zone in its outermost annulus for a quick reference to me and date in each zone.
2. Description of the Prior Art
Whereas an average universal watch is usually printed with name of places on behalf of the 24 time zones in the world on its outer frame that people have to spend a lot of time in searching for a desired time zone wordwise and discriminate its date difference, hence, the inventor of this invention is to propose an improved digital time disk for eliminating abovesaid inconvenience.
SUMMARY OF THE INVENTION
The primary object of this invention is to provide a universal digital time disk, wherein 24 time zones and two special time zones—the India and the Iran time zone, plus 4 continents—the Australia, the Asia, the Europe and Africa, and the America divided according to geographical locations are printed in its central portion so that people can immediately find the conspicuous continent where a desired time zone belongs to, then look into the details.
Another object of this invention is to provide a universal digital time disk wherein a round-the-clock minute/second zone is printed on its outer ring so that people can read the time in hour with reference to the continent position to catch the time segment of daylight, nighttime, morning, afternoon, work hours, or duty off, etc. Yet another object of this invention is to provide a universal digital time disk having the ordinal numbers from 1 through 24 printed in an outer rim of the 4-continent column so that a user can distinguish the continental dates immediately by reading the ordinal numbers. For example, the scope including the ordinal number 1 through the number 24 in the minute/second zone means the present day, and the rest means the day before.
REFERENCES:
patent: 641540 (1900-01-01), Pheils
patent: 2103656 (1937-12-01), Willis
patent: 2268239 (1941-12-01), Braaten
Miska Vit
Pro-Techtor Inter-national Services
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