Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1975-02-14
1976-11-09
Miller, Jr., Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307310, 307298, H03K 1700
Patent
active
039913279
ABSTRACT:
A film circuit which realizes a time constant the equivalent of a large RC time constant without the use of capacitors of comparatively large dimensions. The circuit includes a differential amplifier, to the first input of which an input signal is applied and at the second input of which an output signal is produced, in such a way that said output signal follows the d.c. level of the input signal, while rapid fluctuations of the input signal are not followed. The output signal is taken from a voltage divider which is included between the supply terminals and which comprises at least one temperature sensitive element which is in direct thermal contact with a heating resistance layer which is included in at least one of the outputs of the differential amplifier.
REFERENCES:
patent: 3308271 (1967-03-01), Hilbiber
patent: 3383614 (1968-05-01), Emmons et al.
patent: 3393870 (1968-07-01), Jeffrey et al.
patent: 3531655 (1970-09-01), Taylor
patent: 3760200 (1973-09-01), Taniguchi
Davis B. P.
McGlynn Daniel R.
Miller, Jr. Stanley D.
Trifari Frank R.
U.S. Philips Corporation
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