Horology: time measuring systems or devices – Chronological – With electro-optical display
Patent
1979-03-06
1981-05-26
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With electro-optical display
368239, 340756, G04C 1900
Patent
active
042701961
ABSTRACT:
Balanced complementary digital time displays, for readout in a left to right direction, in which (i) during the first half of each successive hour, the principal digit value of the present hour is in a leading position relative to trailing principal minute digit values which increase from zero to thirty, while simultaneously the complementary digit value of the next hour is in a trailing position relative to leading complementary minute digit values which correspondingly decrease from sixty to thirty, and (ii) during the second half of each successive hour, the principal digit value of the next hour is in a trailing position relative to leading principal minute digit values which decrease from twenty-nine to one, while simultaneously the complementary digit value of the present hour is in a leading position relative to trailing complementary minute digit values which correspondingly increase from thirty-one to fifty-nine. Such displays provide immediately comprehendible exact and gross time indications.
REFERENCES:
patent: 3576099 (1971-04-01), Walton
patent: 3613351 (1971-10-01), Walton
patent: 3701249 (1972-10-01), Berget et al.
patent: 3722206 (1973-03-01), Berget
patent: 3760582 (1973-09-01), Thiess et al.
patent: 3760584 (1973-09-01), Dargeht
patent: 3827043 (1974-07-01), Maezaua
patent: 3971012 (1976-07-01), Morokawa et al.
patent: 4092638 (1978-03-01), Ripley
"Die Uhren und Schmuck", 1977, Issue 8, pp. 34-35.
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