Biological timepiece

Details Biological timepiece Biological timepiece

1991-03-13

1992-08-18

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

368 11, 368 76, 368223, G04B 1900, G04B 2500

Patent

active

051405628

ABSTRACT:
A timepiece for continuously calculating and displaying the actual biological time of day of an individual. After an initial biological time of day is entered, the timepiece runs at a pre-determined rate corresponding to the rate at which time would progress in a free-running circadian clock for the individual. When the individual is exposed to clock-altering stimuli, such as bright light, the timepiece computes a new operation rate based upon the relative effects of the clock-altering stimuli as determined by a phase response curve for the individual. By combining information concerning the presence or absence of clock-altering stimuli with information concerning the effects of that stimuli, the watch is able compute and continuously display the individual's accurate biological time.

REFERENCES:
patent: 4665086 (1987-05-01), Short et al.
patent: 4763311 (1989-08-01), Marvosh
patent: 4858609 (1989-08-01), Cole
patent: 4893291 (1990-01-01), Bick et al.
patent: 4911166 (1990-03-01), Leighton et al.
patent: 4995020 (1991-02-01), Mitchell
patent: 5031161 (1991-03-01), Kendrick
patent: 5058085 (1991-10-01), Lawler

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