Variable crest factor high frequency generator apparatus

Details Variable crest factor high frequency generator apparatus Variable crest factor high frequency generator apparatus

1978-09-09

1980-03-04

Cohen, Lee S.

Surgery

Truss

Pad

128422, 219 1077, 331 71, 331172, A61B 1736, A61N 302

Patent

active

041911881

ABSTRACT:
A high frequency power oscillator is keyed on and off to provide high frequency signal bursts under the control of a pair of timers whose duty cycles are simultaneously and proportionally adjusted so that the signal bursts are constantly centered about the peak power point regardless of variations of the duty cycles. The timers and related circuits for generating control signals are low voltage circuits, whereas the power oscillator is a high voltage circuit, a simple interface structure being provided therebetween.

REFERENCES:
patent: 2426021 (1947-08-01), Hausz et al.
patent: 2764683 (1956-09-01), Paust et al.
patent: 2889460 (1959-06-01), Ehret
patent: 3185939 (1965-05-01), Moss et al.
patent: 3233120 (1966-02-01), Darke
patent: 3332036 (1967-07-01), Kappenhagen
patent: 3343100 (1967-09-01), Medina
patent: 3478744 (1969-11-01), Leiter
patent: 3513851 (1970-05-01), Smith et al.
patent: 3730188 (1973-05-01), Ellman

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