Circuit for producing a periodic, essentially parabolic signal

Details Circuit for producing a periodic, essentially parabolic signal Circuit for producing a periodic, essentially parabolic signal

1987-11-19

1989-07-18

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307262, 307268, 307246, 328187, 315368, 315371, H03K 500, H03K 1756, H03K 302, H01J 2956

Patent

active

048496529

ABSTRACT:
A circuit for supplying a periodic, essentially parabolic signal by squaring a sawtooth-shaped signal. For eliminating a disturbance occurring during the retrace period, a signal is generated during this period whose polarity is opposite to that of the parabolic signal occurring during the trace period, both the generated signal and the derivative with respect to time of this signal assuming values at the start and end of the retrace period which are substantially equal to the corresponding values at the same instants of the essentially parabolic signal occurring during the trace period, and of the derivative with respect to time of this signal.

REFERENCES:
patent: 3578985 (1971-05-01), Edson
patent: 3852674 (1974-12-01), Van Roessel
patent: 4064406 (1977-12-01), Tiemeijer
patent: 4216392 (1980-08-01), Valkestijn
patent: 4675580 (1987-06-01), Dietz
patent: 4683405 (1987-07-01), Truskalo et al.
patent: 4687972 (1987-08-01), Haferl

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