GLOBAL TIME INDICATING TIMEPIECE

Japanese Patent JP3265415

B2

PROBLEM TO BE SOLVED: To immediately read the simultaneous time of respective places in the world, such as what day, what time, forenoon or afternoon, night or daytime, time difference of advance or delay, although customary date of timepiece practice is extended over two days.
SOLUTION: This global time indicating timepiece is constituted by adding a mechanism clockwise rotating a disc or a hollow disc of the place name and the country name with the longitude making a round in twelve hours while indicating the hour and the minute fixed on the outer and inner circumfernces, to a customary timepiece of twelve hour system circumferential time indication having the hour hand for twelve hours and the minute hand for sixty minutes. The entry content of the disc or the hollow disc is divided into two layers, the inner circumferential belt and the outer circumferential belt, i.e., the east longitude belt and the west longitude belt, the circle is divided into twelve so as to decide 0° and 180° for conforming to twelve hours, the longitude belt of 0° is set as the west longitude belt, the longitude number is marked from 0° to left in order of 15, 30, 45,...180°, the opposite side longitude belt of 180° is set as the east longitude belt, the number is marked from 180° to right in order of 15, 30, 45...180°, and the place names and the country names fit for the respective longitude number are marked 1.

Masao Sato

JP7508096A

March 11, 2002

February 23, 1996

Click for automatic bibliography generation  

Masao Sato

G04B19/22; (IPC1-7): G04B19/22

JP6294875A
JP1173696U

Previous Patent: REACTION ABSORPTION CONNECTING MECHANISM AND CONVERTOR

Next Patent: SURFACE TREATMENT FOR METAL