Electronic calendar display

Details Electronic calendar display Electronic calendar display

1983-12-28

1985-09-10

Miska, Vit W.

Horology: time measuring systems or devices

With calendar indicator

Electro-optical

368 82, G04B 1924, G04C 1900

Patent

active

045402922

ABSTRACT:
An electronic calendar display in which each column always corresponds to a particular day of the week is disclosed. Each display element in each column includes a group of display segments which are selectively activated to display a number corresponding to a day of the month. Seven display elements are used to form a row representing a week, and six such rows may be arranged to represent an entire month. In addition, twelve month displays may be arranged to represent a year. The circuitry which updates the display segments includes a look-up table stored in a read-only memory which indicates the display segments to be activated for the current month and year. In the preferred embodiment, this circuitry also includes a microprocessor and the display includes alphanumeric display elements which can display a message. A keyboard or other interface permits an operator to enter the message. A watch is used to provide an indication of the current time and to signal when the display should be updated. In addition, the operator may push buttons to change the calendar data displayed.

REFERENCES:
patent: 3738099 (1973-06-01), Tanaka
patent: 4205516 (1980-06-01), Terao
patent: 4214433 (1980-07-01), Terao
patent: 4233681 (1980-11-01), Murata
patent: 4270192 (1981-05-01), Kudo
patent: 4274146 (1981-06-01), Yanagawa
patent: 4303995 (1981-12-01), Ailawa
patent: 4428681 (1984-01-01), Kashio

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