Electronic diary

Details Electronic diary Electronic diary

1975-10-10

1976-12-21

Malzahn, David H.

Registers

Transfer mechanism

Traveling pawl

58152R, 3401725, G04C 2312, G06F 1520, G07C 110

Patent

active

039990508

ABSTRACT:
An electronic diary having combined clock-calendar means and diary storage means is provided wherein a random access memory is employed in a diary mode of operation for the storage and readout of preselected daily schedule and message events keyed for visual display in response to equal time comparisons with real time of day TOD as generated by the clock-calendar means. The electronic diary is capable of being added to present state-of-the-art electronic calculators for facilitating economy of parts through commonality of keyboard, power supply and visual display features. The electronic diary is comprised of a keyboard selector panel, power supply means, a message storage and control unit, a clock and calendar unit, display control logic, time comparison logic, audible alarm, and visual display means. Optionally, the electronic diary is comprised of a keyboard selector panel, power supply means, memory, micro-processor circuit, and visual display means. The electronic diary can serve to remind the user of an important message event through application of an audible alarm while visually displaying the associated message data.

REFERENCES:
patent: 3803834 (1974-04-01), Reese
patent: 3816730 (1974-06-01), Yamamoto et al.
patent: 3920979 (1975-11-01), Kilby et al.
patent: 3937004 (1976-02-01), Natori et al.
patent: 3940746 (1976-02-01), Vittorelli
"`Compact`, `diary`, checkbook all count" Electronics Apr. 3, 1975, pp. 40-41.

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