Free loop interval timer and modulator

Details Free loop interval timer and modulator Free loop interval timer and modulator

1996-04-19

1998-08-11

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368120, 327105, 327261, 327276, 327291, 332112, 332118, G04F 800, H03B 2100, H03H 1126, G06F 104

Patent

active

057937095

ABSTRACT:
A free loop oscillator system including a set of successive delay elements connected in series forming a free-running loop oscillator, a set of taps disposed between the delay elements, a circuit for determining the speed of the free-running loop oscillator, and circuit for choosing a given tap in response to the speed of the free-running loop oscillator. Such a system may be implemented as a part of interval timer, a printer controller, a frequency synthesizer, an FM modulator, a digital-to-analog converter, or any other device which requires the availability of finely addressable signals since the taps disposed between the delay elements present signals much finer than any presently available clock.

REFERENCES:
patent: 4595992 (1986-06-01), Drogin
patent: 4677648 (1987-06-01), Zurfluh
patent: 4998109 (1991-03-01), Lechevalier
patent: 5166959 (1992-11-01), Chu et al.
patent: 5204678 (1993-04-01), Foley
patent: 5537069 (1996-07-01), Volk
patent: 5552733 (1996-09-01), Lesmeister

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