Device for determining the initial date of activation of a unit

Details Device for determining the initial date of activation of a unit Device for determining the initial date of activation of a unit

1997-12-04

2000-12-12

Miska, Vit

Horology: time measuring systems or devices

Controlled by a disparate device

Electrical device

368 28, 368113, 307139, G04F 1000, G04F 800, G04B 1924, H01H 300

Patent

active

061607657

ABSTRACT:
A device for the determination of the elapsed time since the initial activation of a unit of equipment. The device consists of a first and second circuit and a switch-on element. The first circuit establishes a connection between the item of equipment and the switch-on element. The second circuit consists of at least a time-counter and a source of energy to power the time-counter. Both circuits can be activated simultaneously by the switch-on element. The first circuit can be used both as the current flow for the item of equipment and also for detecting voltage or physical energy in a component of an item of equipment. The switch-on element can be activated both mechanically and electronically. The counter-information can be presented in a display unit in both a deletable or non-deletable manner. The time-counter and the display unit are powered by their own energy source. Because of its simple construction, the present invention can be introduced into any item of equipment after manufacture without any technical adjustments being necessary. Furthermore, it can be used in association with almost any component of an item of equipment.

REFERENCES:
patent: 3182440 (1965-05-01), Widegren
patent: 3221489 (1965-12-01), Mackey et al.
patent: 3256685 (1966-06-01), Siewert
patent: 3735081 (1973-05-01), Foerstner
patent: 4624578 (1986-11-01), Green
patent: 4912687 (1990-03-01), Treert
patent: 5003518 (1991-03-01), Felder

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