Self-protecting transistor oscillator for treating animal tissue

Details Self-protecting transistor oscillator for treating animal tissue Self-protecting transistor oscillator for treating animal tissue

1978-03-14

1980-02-19

Grimm, Siegfried

Oscillators

With oscillator circuit protective means

128422, 219 1077, 331 66, 331117R, A61B 1738, A61N 132, H03B 504, H03B 512

Patent

active

041896858

ABSTRACT:
A transistor oscillator circuit wherein the load current applied to animal tissue treatment electrodes is fed back to the transistor. Removal of load is sensed to automatically remove feedback and stop oscillations. A thermistor on one treatment electrode senses temperature, and by means of a control circuit controls oscillator transistor current.

REFERENCES:
patent: 1724508 (1929-08-01), Nauth
patent: 3025858 (1962-03-01), Browner
patent: 3042908 (1962-07-01), Pearson
patent: 3288905 (1966-11-01), Markowitz
patent: 3614651 (1971-10-01), Pasquier
QST, R. W. Gunderson, p. 36-37 Aug. 1961.

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