Compact, multi-functional digital time displays

Details Compact, multi-functional digital time displays Compact, multi-functional digital time displays

1978-08-11

1980-03-25

Truhe, J. V.

Horology: time measuring systems or devices

Displays or display device details

Optical

340756, G04B 1930

Patent

active

041943520

ABSTRACT:
A 13-element array of digital time display elements is selectively energizable to display relatively large hour digits of value 0 to 9, or relatively small minute digits of value 0 to 9 in a relatively upper or a relatively lower position. Three such arrays, together with two vertical line display elements, in ordered horizontal alignment, provide a compact, multi-functional display capable of performing balanced or quadribalanced digital time keeping. Four such arrays aligned horizontally provide another compact, multi-functional display capable of performing balanced, quadri-balanced or chronographic digital time keeping.

REFERENCES:
patent: 3827043 (1974-07-01), Maezawa
patent: 3971012 (1976-07-01), Morokawa et al.
patent: 4092638 (1978-05-01), Ripley

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