G - Physics – 04 – C
Patent
G - Physics
04
C
354/176
G04C 3/00 (2006.01) G04F 10/04 (2006.01) G04G 3/02 (2006.01) G04G 5/04 (2006.01) G04G 9/00 (2006.01) G04G 9/10 (2006.01) G04G 13/02 (2006.01) G06F 7/38 (2006.01) G06F 15/02 (2006.01)
Patent
CA 1078964
INTERACTIVE WRISTWATCH CALCULATOR Abstract of the Disclosure An apparatus is disclosed comprising an electronic wrist- watch and a multifunction electronic calculator in a single wrist mountable case having a common display and keyboard. The watch portion of the watch/calculator includes time of day, calendar, stopwatch and alarm functions. Each of these functions can be controlled from the keyboard on the watch/calculator. The electronic calculator portion of the watch/calculator performs the four standard arithmetic functions: add, subtract, multiply and divide; and has an extra storage register. The calculator portion can perform calculations with scalar quantities entered via the keyboard or stored in the calculator as well as calcula- tions with time interval and real time data from the watch portion. During the time that calculations are not being performed the cal- culator goes into a sleep or inactive mode in order to minimize the amount of battery power used by the watch/calculator.
266207
Heinsen Edward A.
Marion Andre F.
Osborne Thomas E.
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