Horology: time measuring systems or devices – Chronological – With electro-optical display
Patent
1991-09-17
1993-01-26
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With electro-optical display
368187, 368239, G04C 1900, G04C 900
Patent
active
051827336
ABSTRACT:
A balanced digital time display shows elapsed normal time during an initial period of each hour and thereafter remaining normal time during a subsequent period of the hour. The elapsed normal time is shown by a current hour digit followed by incrementing elapsed minute digits, and the remaining normal time is shown by the hour digit advanced to the next hour and preceded by decrementing minute digits. Means are provided for automatically converting the remaining normal time display to the equivalent elapsed normal time display whenever the display is switched from a normal time mode to a setting mode during the subsequent period of the hour and to revert the display to the equivalent remaining normal time display after setting has been completed. This sequence enables setting the display at all times while in the condition of showing elapsed normal time and avoids problems encountered in setting previous balanced digital time displays while in the condition of showing remaining normal time.
REFERENCES:
patent: 4264966 (1981-04-01), Terzian
patent: 4271497 (1981-06-01), Terzian
patent: 4483628 (1984-11-01), Terzian
patent: 4627737 (1986-12-01), Nance
Equitime Inc.
Miska Vit W.
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